INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 121 (OCTOBER 1993)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1994 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) 1995 Last ob.
---------------------------------------------------------------------
2578 A983 291.70 1976.30 0.39 143.4 128.4 0.28 DOCOBO-LING
03310N2937 1.2341 0.450 56.4 283.3 129.5 0.29 1993.663
- COU 1688 9.15 1987.02 0.08 26.5 228.7 0.13 BAIZE
03320N4341 39.3443 0.144 43.7 303.9 270.8 0.10 1986.57
- COU 691 31.42 1994.83 0.61 55.8 222.4 0.04 BAIZE
03423N3141 11.4577 0.104 49.2 205.6 261.0 0.04 1988.06
- COU 985 28.93 1987.85 0.47 81.2 343.4 0.12 BAIZE
16384N3514 12.4438 0.168 48.1 136.0 355.9 0.13 1992.55
- COU 1291 58.56 1978.13 0.19 37.3 278.5 0.12 BAIZE
17075N3810 6.1475 0.141 37.0 128.3 284.7 0.13 1992.54
- COU 1786 18.75 1996.78 0.49 61.5 232.5 0.09 BAIZE
18043N4206 19.2205 0.102 49.5 279.3 249.6 0.07 1992.55
- COU 1962 31.41 1980.14 0.25 109.0 291.9 0.25 DOCOBO-LING
20311N3332 11.4613 0.202 71.1 22.1 294.3 0.24 1993.663
- COU 537 68.49 1993.05 0.53 52.0 150.9 0.07 BAIZE
22077N2622 5.2562 0.22 48.8 77.0 176.6 0.08 1992.53
- COU 439 59.64 1960.86 0.36 17.6 235.2 0.20 BAIZE
23199N2845 6.0362 0.185 52.0 41.1 238.3 0.19 1992.21
=====================================================================
NEW SPECTROSCOPIC COMPONENTS IN LATE-TYPE VISUAL DOUBLE STARS
NAME RA 2000.0 DEC NOTE
------------------------------------------------------------------
ADS 8861 A 13 19.5 N 35 08 P = 133 D, SB2
KUI 8A A = BD +04 3562 17 58.4 N 04 27 P = 34.5 D, SB2
ADS 11061 A 18 00.1 N 80 00 P = 1275 D, SB2
COU 327 = BD +19 4380 20 21.6 N 19 30 SB1
COU 542 A = BD +23 4640 22 57.0 N 24 41 P = 118 D, SB1
==================================================================
New sub-systems in ADS 8861 and ADS 11061 were resolved by Yu.
Balega et al. at the 6m telescope by speckle interferometry in May
1993.
A. A. Tokovinin
Sternberg Astronomical Institute
Moscow
DISCOVERY OF SPECTROSCOPIC SUB-SYSTEMS IN VISUAL DOUBLE STARS
ADS RA 2000.0 DEC M SPA M SPB
----------------------------------------------------------------
A. Certain sub-systems
1 363 00 27.1 S 07 53 8.9 G5V 8.9 K0V
2 3248 04 29.0 N 16 10 7.0 F7V 7.7 G0V
3 12040 19 06.2 N 30 26 8.5 K0 9.7
B. Suspected radial velocity variability
1 2390 03 12.1 N 37 12 8.1 G0 8.3
2 4200 05 36.4 N 21 00 7.2 F8 7.8
3 11680 18 46.6 N 38 21 8.7 G9V 9.0 K1V
4 13987 20 32.9 N 13 57 10.4 K0 10.9
5 15610 22 05.1 N 29 52 9.1 F8V 9.9
6 16131 22 38.5 N 02 18 8.2 G0 9.7
==================================================================
M. G. Smekhov
Sternberg Astronomical Institute
Moscow
GENERAL INFORMATION
The group of European astronomers coordinated by E. OBLAK is concerned
with the study of visual double stars with angular separations of 1 -
15 arc seconds. The group applies CCD photometry with VRI filters to
objects listed in the Hipparcos Catalogue. It has used observatories at
La Silla (Chile) (under an ESO project ending in 1994), La Palma and
Calar Alto (Spain), Haute-Provence (France), Suhora (Poland), Hoher
List (Germany) and Chiang Ma (Thailand), and also Chinese
observatories.
As a side-project in collaboration with the Strasbourg Star Data Centre
and Dr. P. Couteau of the Nice Observatory (future collaboration with
the Toulouse Observatory is also expected), a photometric data base for
star systems is being compiled at the Besancson Observatory, and will
later be generalized to include all categories of systems.
The ultimate objective of these projects is to investigate the
formation and evolution of stars in relationship to galaxy structure.
=================================================================
J. A. Docobo's research group is engaged in a three-year (1993-1995)
programme involving micrometer measurements of visual double stars at
Pic du Midi and Nice (France), Calar Alto and Fabra (Spain) and Merida
(Venezuela), as well as CCD measurements of wide binaries at Merida
(Venezuela) and Yebes (Spain).
=================================================================
On September 27th last the "Ramon Maria Aller" Observatory of the
University of Santiago de Compostela (Spain) celebrated its 50th
anniversary.
ERRATA
P. Baize asks for the following errata in previous Circulars
to be noted.
Circular No. 119: In the orbit of McAl 33, w should be
158.0 deg, not 113.0
Circular No. 120: ADS 9547 is Ho 60 not Ho 50
=================================================================
The deadline for contributions to Information Circular No. 122 is:
February 15th 1994
J. A. Docobo (doc@seins.usc.es)
J. F. Ling (lin@seins.usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 122 (FEBRUARY 1994)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1994 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) 1995 Last ob.
-------------------------------------------------------------------------
8092 A 1353 123.60 1961.70 0.659 46.9 219.7 0.51 DOCOBO-LING
11136 N 5525 2.9126 0.380 117.9 41.7 219.1 0.52 1993.266
- SEE 219 65.00 1929.50 0.760 28.8 263.8 0.02 DOCOBO-LING
15088 S 4517 5.5385 0.350 77.5 291.4 19.0 0.07 1991.3896
12741 SEE 389 47.15 1992.07 0.147 149.0 150.0 0.16 DOCOBO-PRIETO
19398 S 2326 7.6352 0.188 94.9 328.0 149.2 0.16 1991.3928
========================================================================
GENERAL INFORMATION
Dr. Bambang Hidayat announces the submission to A. & A. of a paper
reporting photographic observations of 221 visual double stars by Drs.
Jasinta and Soegiartini of the Bosscha Observatory, Indonesia.
***********************
Following a suggestion made by Dr. G. M. Popovic we include the
following list of papers published in 1993 with measurements or orbits
of double stars.
BAIZE, P.: "Elements orbitaux de dix-neuf etoiles doubles" Astron.
Astrophys. Suppl. Ser 99, 205-215 (1993).
BARLOW, D.J.; FEKEL, F.C.; SCARFE, C.D.: "A three-dimensional
solution for the orbit of Capella". Publ. Astron.
Soc. Pacific, 105, 476-486 (1993).
BEDDING, T.R.: "The orbit of the binary star Delta Scorpii".
Astron. J. 106(2), 768-772 (1993).
COUTEAU, P.: "Etoiles doubles nouvelles (23d serie) decouvertes
Nice avec la lunette de 50 cm". Astron. Astrophys.
Suppl. Ser. 97, 511-515 (1993).
COUTEAU, P; DOCOBO, J.A.; LING, J.F.: "Mesures de binaries serrees
faites au Pic du Midi" Astron. Astrophys. Suppl.
Ser. 100, 305-310 (1993).
DADONAS, V.; SPERAUSKAS, J.; TOKOVININ, A.: "Radial velocity
measurements of chromospherically-active stars I. BD
+25 2511" Astrophysics Space Science 200(2) 195-199
(1993).
DESSEL, VAN E.,SINACHOPOULUS, D.: "CCD astrometry and instrumental
DV photometry of wide visual double stars III.
Differential measurements of often observed southern
pairs Astron. Astrophys. Suppl. Ser. 100, 517-520
(1993).
DOCOBO, J.A.; PRIETO, C.: "Micrometer measurements of visual
double stars made at the spanish observatories at
Calar Alto and Fabra". Astron. Astrophys. Suppl.
Ser. 100, 641-646 (1993).
FEKEL, F.C.; BROWNING, J.C.; HENRY, G.W.; MORTON, M.D.; HALL,
D.S.: "Chromospherically active stars X.
Spectroscopy and photometry of HD 212280". Astron.
J. 105(6), 2265-2275 (1993).
FEKEL, F.C.; TOMKIN, J.: "The spectroscopic orbit of gamma
Geminorum and search for its secondary" Astron. J.
106(3), 1156-1161 (1993).
HARTKOPF, W.I.; MASON, B.D.; BARRY, D.J.; McALISTER, H.A.;
BAGNUOLO, W.G.; PRIETO, C.M.: "ICCD Speckle
observations of binary stars VIII. Measurements
during 1989-1991 from the Cerro Tololo 4 m
telescope". Astron. J. 106(1), 352-360 (1993).
HEINTZ, W. D.: "The triple star ADS 440" Publ. Astron. Soc.
Pacific 105, 44-44 (1993).
HEINTZ, W. D.; STROM, C.: "The visual binary Lambda Ophiuchi"
Publ. Astron. Soc. Pacific, 105, 293-293(1993).
HEINTZ, W. D.: "Orbits of visual binaries" Astron. Astrophys.
Suppl. Ser. 98, 209-212 (1993).
HEINTZ, W. D.: "The orbit of VW Cephei AB = HEI 7" Publ. Astron.
Soc. Pacific, 105, 586-587 (1993).
LING, J.F.; LANCHARES, V.: "Micrometer measurements of visual
double stars at Calar Alto" Astron. Nachr. 314(4),
303-305 (1993).
MASON, B.D.; McALISTER, H.A.; HARTKOPF, W.I.; BAGNUOLO, W.G. Jr.:
"ICCD Speckle observations of binary stars. VII. A
duplicity survey of the Hyades cluster". Astron. J.
105(1), 220-225 (1993).
MASON, B.D.: HARTKOPF, W.S.; McALISTER, H.A.; SOWELL, J.: "ICCD
Speckle observations of binary stars. IX. A
duplicity survey of the Pleiades, Praesepe and IC
4665 clusters" Astron. J. 106(2), 637-641 (1993).
McALISTER, H.A.; MASON, B.D.; HARTKOPF, W.I.; SHARA, M.M.: "ICCD
Speckle observations of binary stars. X. A further
survey for duplicity among the bright stars".
Astron. J. 106(4), 1639-1655 (1993).
MULLER, P.: "Double star measurements made at Nice". Astron.
Astrophys. Suppl. Ser. 102, 643-648 (1993).
PAN, X.; SHAO, P.; COLAVITA, M.M.: "High angular resolution
measurements of Algol". Astrophys. J. 413, L129-L131
(1993).
PETERSON, D.M.; STEFANIK, R.P.; LATHAM, D.W.: "The spectroscopic
orbit of theta Tauri". Astron. J. 105(6), 2260-2264
(1993).
SMEKHOV, M.G.; TOKOVININ, A.A.: "Radial velocitiy measurements of
visual binaries". Astron. Lett. 19(2), 77-80 (1993).
TOKOVININ, A. A.: "Spectroscopic-visual orbits for two stars".
Astron. Lett. 19(2), 73-77 (1993)
IN MEMORIAM
As many of you will know, Dr. Sylvain AREND, one of Europe's most noted
astronomers, died on February 18th 1992. Dr. J. Dommanget of the
Belgian Royal Observatory has requested that this sad occurrence be
noted in the Information Circular.
Born in Robelmont, Luxemburg, in 1902, Sylvain Arend studied at the
Free University, Brussels, where he obtained his doctorate in Physical
Sciences and Mathematics with the highest honours. In 1928 he obtained
a grant to work as an assistant at the Belgian Royal Observatory, with
which he continued to be associated until his retirement in 1967 as
Head of the Department of Astrometry and Celestial Mechanics.
Arend's main interests were astrometry and astrometric photography.
The fruits of his extensive work in this field, summarized in his 80 or
so papers, included the discovery of a nova (1952 Scuti), three comets
(one of them the well-known Arend-Roland comet), numerous variable
stars and fifty or so asteorids, as well as observations of the
positions of literally thousands of other asteroids. Of particular
relevance to IAU Commission 26, he was also responsible for putting new
life into work on double stars at the Royal Observatory; following
contacts with USA specialists during visits to the Yerkes, Mt. Wilson
and McDonald observatories, he set up the Royal Observatory's 45 cm
equatorial telescope, and went on to devise a new method for
calculation of double star orbits.
=================================================================
ERRATUM
In Circular No. 121 the date of publication should, of
course, read "OCTOBER 1993", not "OCTOBER 1994".
=================================================================
The deadline for contributions to Information Circular No. 123 is:
June 15th 1994
J. A. Docobo (doc@seins.usc.es)
J. F. Ling (lin@seins.usc.es)
Fax: (81) 59 70 54
Observatorio Astron"mico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 123 (JUNE 1994)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1994 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) 1995 Last ob.
------------------------------------------------------------------------
-- COU 2031 20.38 1987.68 0.226 147.9 132.0 0.08 TOKOVININE
04465 N 4220 17.6644 0.140 80.1 168.2 138.0 0.12 1989.72
-- MLR 224 11.76 1993.51 0.224 106.3 269.7 0.07 TOKOVININE
19391 N 7625 30.6122 0.225 82.6 89.4 283.2 0.18 1993.84
-- COU 327 35.00 1987.79 0.433 70.1 81.5 0.05 TOKOVININE
20216 N 1930 10.2857 0.156 86.2 317.4 92.0 0.03 1993.83
14333 J 194 150.00 1957.00 0.213 28.5 181.7 0.67 DOCOBO-LING
20494 N 1124 2.4000 0.783 122.5 110.6 179.9 0.66 1993.66
========================================================================
NOTES:
COU 2031. Preliminary orbit, supported by radial velocity measurements
MLR 224. Orbit supported by radial velocity measurements
COU 327. Preliminary orbit
The deadline for contributions to Information Circular No. 124 is:
October 15th 1994
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
IMPORTANT: Please note the change in our e-mail address
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 124 (OCTOBER 1994)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1994 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) 1995 Last ob.
-------------------------------------------------------------------------
873 HO 213 450 00 1886.26 0.158 20 7 105 2 0"30 DOCOBO-LING
01039 N 3528 0 8000 0"354 33 4 341 2 106.1 0.30 1993.843
4265 BU 1007 114.65 1941.83 0.878 48.7 242.2 0.31 DOCOBO-LING
05411 N 1632 3.1400 0.332 82.3 63.1 242.5 0.31 1989.805
-- KUI 103 28.85 1980.37 0.979 21.9 87.3 0.91 DOCOBO-LING
21000 N 4005 12.4783 2.478 80.3 266.1 90.6 0.89 1994.794
=========================================================================
The deadline for contributions to Information Circular No. 125 is:
February 15th 1995
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 125 (FEBRUARY 1995)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1995 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) 1996 Last obs.
------------------------------------------------------------------------------
1359 BU 870 304 04 2032.90 0.299 17.4 350 7 0"72 POPOVIV & PAVLOVIC
01443 N 5732 1.1841 1.015 124.5 117.7 349.4 0.71 1987.76
2755 AB BU 536 1421.57 1980.20 0.660 2.1 178.6 0.64 POPOVIC & PAVLOVIC
03462 N 2412 0.2532 1.930 100.0 175.2 178.4 0.64 1985.73
3390 STF 577 826.65 2026.67 0.255 88.0 9.6 1.09 POPOVIC & PAVLOVIC
04423 N 3730 0.4355 1.653 150.1 103.7 8.7 1.09 1989.05
-- RST 3442 18.28 1943.00 0.313 79.9 104.8 0.18 ZULEVIC
06098 S 2246 19.7000 0.214 45.3 124.4 129.8 0.14 1983.0667
6828 A 551 54.33 1945.81 0.390 63.1 233.7 0.13 ZULEVIC
08285 S 0230 6.6265 0.282 83.0 198.4 236.8 0.15 1987.2745
7997 A 2375 150.00 1964.90 0.628 73.0 192.3 0.40 DOCOBO & LING
10585 N 1711 2.4000 0.377 150.1 103.2 190.9 0.40 1991.3268
8128 STF 1527 593.36 2028.26 0.476 16.8 54.0 0.70 POPOVIC & PAVLOVIC
11191 N 1416 0.6067 3.108 76.6 130.7 56.5 0.67 1990.21
9730 HU 1168 89.22 1985.13 0.621 128.2 315.2 0.32 DOCOBO & LING
15370 N 6427 4.0350 0.388 119.9 51.6 312.9 0.34 1991.3270
9989 A 2181 285.69 1962.37 0.126 137.3 74.8 0.39 POPOVIC & PAVLOVIC
16170 N 0111 1.2601 0.433 11.9 245.1 76.3 0.39 1981.45
10017 HU 481 150.16 2008.47 0.277 1.6 62.3 0.26 POPOVIC & PAVLOVIC
16213 N 2300 2.3975 0.572 121.7 341.9 56.7 0.27 1986.47
10699 STF 2199 1298.54 2073.65 0.097 34.4 58.2 1.89 POPOVIC & PAVLOVIC
17386 N 5546 0.2772 2.223 136.4 355.1 58.0 1.89 1994.48
10769 STF 2205 2482.86 2019.37 0.624 133.9 346.9 1.33 POPOVIC & PAVLOVIC
17458 N 1743 0.1450 4.083 49.1 244.0 347.6 1.32 1988.56
10795 STF 2215 853.14 2187.93 0.375 164.7 261.2 0.58 POPOVIC & PAVLOVIC
17472 N 1742 0.4248 0.717 138.6 28.2 260.8 0.58 1988.56
11010 BU 1127 345.25 2163.73 0.578 7.5 70.2 0.97 POPOVIC & PAVLOVIC
18026 N 4413 1.0427 1.078 121.8 103.9 69.6 0.98 1989.52
11998 A 2992 1162.50 1943.00 0.668 78.2 261.3 0.35 POPOVIC & PAVLOVIC
19038 N 2642 0.3097 0.740 113.2 95.4 260.9 0.36 1985.62
12577 HU 951 208.76 1953.47 0.302 147.6 145.0 0.25 POPOVIC & PAVLOVIC
19309 N 6337 1.7245 0.256 39.7 250.1 146.2 0.26 1982.70
14666 STT 527 561.15 1950.18 0.419 91.3 122.1 0.28 POPOVIC & PAVLOVIC
21080 N 0509 0.6415 0.558 117.1 240.2 121.0 0.29 1987.76
==============================================================================
PHOTOGRAPHIC MEASUREMENTS OF DOUBLE STARS AND COMMON PROPER MOTION PAIRS
Name, Component RA(2000) DEC(2000) pm err pm' err sep err pa err B t n
-------------------------------------------------------------------------------------------------------------
ADS 7565 A 09 55 02.688 +68 56 22.06 -61.2 1.0 -60.6 0.5 11.4
ADS 7565 B 09 55 01.018 +68 56 22.46 -61.4 0.8 -60.2 0.5 8"92 0.06 272.5 0.2 11.5 1960 12
* anonymous A 09 54 39.816 +68 36 37.49 24.0 1.1 -15.3 0.6 13.6
anonymous B 09 54 40.717 +68 36 35.18 23.0 1.6 -16.9 1.0 5.40 0.11 294.5 0.8 13.6 1969 11
* anonymous A 10 01 32.480 +68 36 35.35 -28.6 1.3 -2.0 0.8 13.9
anonymous B 10 01 33.498 +68 36 34.85 -24.3 1.3 -2.7 0.6 5.43 0.1 94.7 0.5 15.7 1967 8
Gliese 360 A 09 42 34.826 +70 02 02.01 -671.3 1.2 -268.7 1.0 12.0
Gliese 360 B 09 42 51.707 +70 02 21.86 -672.6 1.2 -265.7 1.0 88.7 0.1 77.2 0.1 12.7 1965 8
ADS 8945 A 13 33 34.011 +46 47 48.41 7.1 0.5 8.9 0.4 9.9
ADS 8945 B 13 33 33.751 +46 47 56.92 8.85 0.05 342.7 0.5 14.3 1979 10
ADS 8910 A 13 27 45.730 +47 45 32.23 4.0 0.5 -36.7 0.5 10.6
ADS 8910 B 13 27 45.355 +47 45 46.69 4.2 0.5 -37.9 0.6 14.93 0.05 345.4 0.1 10.6 1975 15
* BD+47 2056 A 13 23 31.323 +47 12 30.81 -22.1 2.4 6.8 3.4 10.6
BD+47 2056 B 12.53 0.19 48.1 0.2 14.4 1977 2
* BD+48 2124 A 13 30 46.984 +47 59 36.81 -17.1 1.5 -1.2 1.0 10.5
BD+48 2124 B 13 30 46.358 +47 59 49.14 -10.5 0.6 1.7 1.7 13.88 0.07 331.6 1.1 14.2 1954 4
BD+48 2129 A 13 33 44.129 +48 00 53.64 -71.3 1.0 11.3 0.7 10.2
BD+48 2130 B 13 33 52.882 +47 59 26.06 -70.8 0.8 9.3 0.6 123.9 0.07 134.9 0.1 10.5 1943 6
* anonymous A 13 32 25.639 +47 17 03.05 -13.2 0.7 -23.6 0.7 14.0
anonymous B 13 32 25.290 +47 17 01.20 -28.8 1.3 +10.1 0.7 4.00 0.07 239.2 0.5 14.3 1994 8
-------------------------------------------------------------------------------------------------------------
RA(2000) = Right ascension for equinox and epoch J2000.0
DEC(2000) = Declination for equinox and epoch J2000.0
pm, err = proper motion pm(RA) cos(DEC) in RA and its rms error
pm', err = proper motion in DEC and its rms error
sep, err = separation of components, mean and rms deviation
pa, err = position angle, mean and rms deviation
t = mean epoch of observations of sep, pa
n = number of observations of sep, pa
B = B magnitude
* This pair is not noted as a binary in common double star catalogues
(in the BD-cases, only the bright component A is known)
Michael Odenkirchen
Sternwarte Universitat Bonn
Germany
=========================================================================
PAPERS PUBLISHED IN 1994
1) BAIZE, P.: "Orbital elements of twelve binary stars". Astron. and
Astrophys. Suppl. Ser 106, 267 (1994).
2) BALEGA, I.I et al.: "Binary star speckle measurements during
1989-1993 from the SAO 6 m and 1 m telescopes in
Zelenchuk". Astron. Astrophys. Suppl. Ser 105, 503
(1994).
3) BERNSTEIN, H. H.: "Global astrometry of HIPPARCOS double stars
within the FAST consortium". Astron. Astrophys. 283,
293 (1994).
4) COUTEAU, P.; GILI, R: "Measurements of double stars made at Nice
Observatory, New Double Stars (24th series)
discovered at Nice with the 50 cm refractor". Astron.
Astrophys. Suppl. Ser. 106, 377 (1994).
5) COUTEAU, P.: "Discussion relating to the discovery of 2700 double
stars". Astron. Astrophys. 283, 289 (1994).
6) DADONAS, V. et al.: "Radial velocity measurements of the
chromospherically-active stars II. HD 28591=V492 Per"
Astrophysics Space Science 220 97 (1994).
7) DOCOBO, J.A.; LING J. F.: "Micrometer measurements of visual
double stars made at Pic du Midi Observatory".
Astron. Astrophys. Suppl. Ser. 105, 337 (1994).
8) DOCOBO, J.A.; LING J. F.; PRIETO, C: "Orbits of six Visual Double
Stars". Astrophys. J. Suppl. Ser. 91(2), 793 (1994).
9) FEKEL, F.C. et al.: "Chromospherically active stars XII. ADS
11060C: A double lined K Dwarf binary in a Quintuple
System". Astron. J. 108(2), 694 (1994).
10) FEKEL, F.C. et al.: "Chromospherically active stars XIII. HD 30957
A double lined K Dwarf binary". Astron. J. 108(5),
1936 (1994).
11) GIES, D.R. et al.: "HD 53975: An O-Type Spectroscopic binary with
a large mass ratio". Astrophys. J. 422, 823 (1994).
12) GOLDMAN, I; MAZEH, T.: "The orbital evolution of highly eccentric
binaries". Astrophys. J. 429, 362 (1994).
13) HARTKOPF, W.I. et al: "ICCD Speckle observations of binary stars
XI. Measurements during 1991-1993 from Kitt Peak 4 m
telescope". Astron. J. 108(6), 2299 (1994).
14) HEINTZ, W. D.: "Photographic astrometry of binary and proper-
motion stars VIII". Astron. J. 108(6), 2338 (1994).
15) HEINTZ, W. D.; CANTOR, B. A.: "An astrometic study of four binary
stars". Pub. Astron. Soc. of the Pacific, 106,
363 (1994).
16) HORN J. et al.: "The orbit of the spectroscopic binary ro
Aurigae". Astron. Astrophys. Suppl. Ser. 105, 119
(1994).
17) JASINTA, D.M.D.; SOEGIARTINI, E.: "Photographic observations of
visual double stars". Astron. Astrophys. Suppl. Ser.
107, 235 (1994).
18) MEREZHIN, U. P.: "Physical characteristics of close binary system"
Astrophysics Space Science 215 83 (1994).
19) OLEVIC D. et al.: "New orbital elements of five visual binaries".
Bull Astron. Belgrade 149, 95 (1994).
20) POPOVIC, G. M.; PAVLOVIC, R.: "Micrometer measurements of double
stars (Series 48)" Bull. Astron. Belgrade 150, 109
(1994).
21) POURBAIX, D.: "A trial-and-error approach to the determination of
the orbital parameters of visual binaries". Astron.
Astrophys. 290, 682 (1994).
22) RICHICHI, A.; CALAMAI, G.; LEINERT, C.: "New binary stars
discovered by lunar occultations". Astron. Astrophys.
286, 829.
23) ROMANENKO, L. G.; CHENTSOV, E. L.: "Determination of the relative
radial velocities of the components of visual binary
stars from observations with the Six-meter
telescope". Astronomy Reports 38(2), 244 (1994).
24) ROMANENKO, L.G.: "Determination of the orbital elements of the
wide double stars ADS 10759 (Psi Dra) and ADS 12815
(16 Cyg) by the method of apparent-motions
parameters". Astronomy Reports 38(6), 779 (1994).
25) SCARFE C. D. et al.: "The spectroscopic-speckle triple system HR
6469". Astron. J. 107(4), 1529 (1994).
26) SMEKHOV, M.G.: "A third component in the visual double star ADS
12040". Astron. Lett. 20(3), 343 (1994).
27) TESSIER, E.; BOUVIER, J.; LACOMBE, F.: "Speckle imaging of T Tauri
stars in the L and M near-IR bands". Astron.
Astrophys. 283, 827 (1994).
28) TOKOVININ, A. A.: "Spectroscopic components in multiple systems.
Kuiper 84". Astron. Lett. 20(3), 309 (1994).
29) TOKOVININ, A. A.: "Spectroscopic components in multiple systems.
Two optical pairs". Astron. Lett. 20(3), 314 (1994).
30) TOKOVININ, A. A.: "Spectroscopic components in multiple systems.
Couteau 325 and 542". Astron. Lett. 20(4), 435
(1994).
31) TOKOVININ, A. A.: "Spectroscopic orbit of HD 92855". Astron. Lett.
20(6), 717 (1994).
32) TOKOVININ, A. A.: "Radial velocities of the component of wide
visual double stars". Astron. Reports. 38(2), 258
(1994).
33) ZULEVIC D. J.: "Orbit of binary star ADS 16904, A 643". Bull
Astron. Belgrade 150, 117 (1994).
=======================================================================
NOTES ON PREVIOUSLY LISTED PAPERS
No. 13) Dr W. I. Hartkopf has detected two errata in Table 3 of his
paper "ICCD Speckle observations of binary stars XI. Measurements
during 1991-1993 from the Kitt Peak 4 m telescope". Astron. J.
108(6), 2299 (1994).
i) The residue of theta with respect to Docobo and Costa's
orbit for WDS 00550 N 2338 (STF 73 AB) is -0.3 deg, not
+6.2 as published.
ii) The orbit for COU 606 should be referenced "Ling 92", not
"D&L 92" as published.
No. 21) Dr J. A. Docobo notes that Section 3 of the paper "A
trial-and-error approach to the determination of the orbital parameters
of visual binaries" (Pourbaix, D. Astron. Astrophys. 290, 682 (1994)),
comments on his orbit calculation method in a way that may be
misleading. This method does not optimize directly over the manifold of
all the posible orbits that can be calculated from all the available
observations, and it does not use Cid's (1958) method to calculate any
orbit. Rather, it relies on the professional astronomer's experience to
identify three reliable observations, generates the submanifold
consisting of all possible orbits through these three points (not by
Cid's method), and uses a subset of the remaining observations to
optimize on this submanifold (again the astronomer's experience is
appealed to for definition of a suitable subset).
GENERAL INFORMATION
Dr. J. Dommanget announces the publication of the catalogue:
CATALOGUE OF THE COMPONENTS OF DOUBLE AND MULTIPLE STARS
CCDM
first edition
J. Dommanget & O. Nys
This first edition ofthe CCDM has been published in Communications de
l'Observatoire Royal de Belgique, Serie A, No. 115 where all details
are given concerning its origin, its aim, its construction and its
contents. A shorter description will be given in the Proceedings of
the IAU Symposium No. 166. The catalogue contains 34.031 systems
precisely identified on the sky, including 14.711 systems observed by
HIPPARCOS.
It is available at the Centre des Donnees Astronomiques (CDS) in
Strasbourg, under the reference: I/211.
And two papers by the same authors:
ETOILES DOUBLES NOUVELLES DCOUVERTES AU COURS DE LA
PRPARATION DU CATALOGUE D'ENTRE HIPPARCOS.
Bulletin d'Information du Centre de Donnees Astronomiques de
Strasbourg, 43, 27-30 (1993).
ERREURS RELEVES DANS LE CATALOGUE INDEX 1961,0
Bulletin d'Information du Centre de Donnees Astronomiques de
Strasbourg, 45, 7-17 (1994).
===================================================================
The deadline for contributions to Information Circular No. 126 is:
June 15th 1995
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 126 (JUNE 1995)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1995 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) Last ob. 1996
------------------------------------------------------------------------------
4603 STT 121 180.18 1952.42 0.779 148.6 223.9 0"29 DOCOBO &
06053 N 7400 1.9980 0"423 117.9 118.8 1991.894 227.7 0.29 PRIETO
5400 STF 948 706.09 2446.21 0.030 141.8 72.7 1.69 POPOVIC &
06463 N 5927 0.5099 1.660 178.0 296.6 1995.138 72.2 1.69 PAVLOVIC
9025 STT 270 389.25 2061.66 0.419 167.8 40.6 2.29 POPOVIC &
13473 N 1727 0.9249 6.350 72.3 7.6 1995.44 42.6 2.22 PAVLOVIC
11339 BU 1203 495.73 2315.02 0.463 17.6 149.4 0.44 POPOVIC &
18261 N 0046 0.7263 0.515 59.3 317.1 1991.393 149.8 0.44 PAVLOVIC
===================================================================================
GENERAL INFORMATION
Dr. Bambang Hidayat announces the submission to A.&A. Supl. Ser. of work
by Jasinta, Moedji, Raharto and E. Sugartini including photographic
observations of 399 visual double stars obtained with the refractor at
Bosscha Observatory.
Dr. Goedele Ruymaekers writes that, in collaboration with Dr. O. Nys, he has
detected several uncorrected errors in the Information Circular.
C.I. No. Star Orbital element Currently Should be
------------------------------------------------------------------------------
105 A 1808 00463N2205 Omega 322.8 332.8
85 A 1 01374S0716 Omega 24.0 58.9
85 A 1 01374S0716 omega 58.9 24.0
114 Mlr 377 02144N6953 Omega 0.0 180.0
84 A 1303 04519N5318 T 200.74 2000.74
114 Mlr 318 06324N6617 omega 309.0 129.0
94 Phi 297 13090S2345 i 65.6 66.6
109 A2166 13154N1818 Omega 0.0 180.0
95 A 1634 15282N4114 Omega 47.5 227.5
109 McAl 56 19295N5824 Omega 0.0 180.0
93 See 389 19338S2339 Omega 270.0 90.0
94 Beta 368 21021S0838 Omega 12.0 192.0
92 I 1450 21542S5031 Omega 313.5 133.5
Also, in C.I. No. 118 the ephemerides for 1992-1993 should be for 1993-1994.
He also notes discrepances between the data published in the Information
Circular for the stars STR 535, I 1262, I 600 and Phi 328, and the data
subsequently published in various journals, and errors in ephemerides and
Thiele-Innes elements. He has calculated the following orbital elements
from the Thiele-Innes elements originally given:
Star C.I. P T e a i Omega omega
No. (1900)
-----------------------------------------------------------------------------------
STR 535 04178N1109 85 681.95 2064.60 0.319 1.510 142.97 149.78 302.10
I 1262 14571S4012 98 108.08 1890.48 0.28 0.203 36.3 6.9 85.9
I 600 17225S6022 103 611.0 1966.0 0.36 0.494 131.5 121.0 287.0
Phi 328 20587S2015 119 12.80 1978.455 0.365 0.313 113.95 156.56 218.07
===================================================================================
The deadline for contributions to Information Circular No. 127 is:
October 15th 1995
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 127
OCTOBER 1995
NEW ORBITS
ADS Name P (yr) T e W(2000) 1995 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) Last ob. 1996
------------------------------------------------------------------------------
822 A 1903 126.20 1956.56 0.131 134.4 334.9 0"34 DOCOBO &
00596 S 0111 2.8526 0"340 36.9 93.4 1995.578 347.2 0.34 LING
2491 STF 380 520.75 2114.34 0.271 67.8 16.3 0.96 POPOVIC &
03218 N 0845 0.6913 0.942 164.1 164.4 1988.683 16.0 0.96 PAVLOVIC
8082 HJ 2562 619.93 2043.77 0.205 136.0 252.8 1.11 POPOVIC &
11107 N 3109 0.5884 1.382 162.8 286.7 1983.303 251.9 1.11 PAVLOVIC
9682 HU 1163 234.31 1989.23 0.663 79.9 123.2 0.11 ZULEVIC
15307 N 3810 1.5364 0.286 11.1 1.5 1992.544 130.2 0.12
10916 BU 1299 256.20 1956.68 0.745 167.0 79.2 0.25 DOCOBO &
17575 N 1057 1.4052 0.415 56.5 128.6 1995.575 78.4 0.25 LING
12911 A 108 230.40 1946.0 0.690 51.6 95.6 0.29 DOCOBO &
19471 S 0810 1.5625 0.289 48.8 267.4 1995.581 96.4 0.29 LING
===================================================================================
NEW DOUBLE STARS
Rade Pavlovic - Refractor Zeiss 65/1055 cm - Belgrade
DISC. BD Mgn Sp 1900-2000 1990+ theta rho Mgn
----------------------------------------------------------------------------------
PAV 1 AB +72 901 9.5 -19311 295 N 7258 11 5.550 73.2 4"45 9.5- 9.6
AC 5.550 8.9 76.3 9.5-11.0
===================================================================================
PAUL BAIZE NOUS A QUITTES
Depuis la mort de sa seconde femme en juin dernier, nous redoutions le
pire pour le docteur Baize, age et affaibli. Helas la nouvelle de son
deces nous est arrivee le 10 octobre.
Paul Baize est ne a Paris en 1901 d'une famille normande. Son pere,
medecin, exige de son fils qu'il se consacre, lui aussi, a la carriere
medicale. De fait, Paul devient un brillant pediatre, au cabinet
celebre, il est aussi professeur a l'Hopital des Enfants Malades a
Paris et auteur de nombreuses communications medicales. Mais la passion
de l'astronomie se fait jour tres tot et il meme parallelement une
carriere d'astronome tout aussi devorante.
Membre de bonne heure de la Societe Astronomique de France, il acquiert
a 20 ans une lunette de 108 mm et observe les etoiles doubles. Ses
premiers resultats paraissent dans le grand catalogue d'Aitken. Puis
des 1930, on lui confie les lunettes de l'Observatoire de Paris,
d'abord la 305 mm, puis la 380 a partir de 1947. Son activite
d'observateur ne cesse qu'a sa retraite et son retour en Normandie en
1971, apres 25.000 mesures de tres haute qualite. C'est lui, le
premier, qui a montre les enormes possibilites des lunettes de moyenne
puissance. L'activite du Dr. Baize ne se limite pas a l'observation,
il publie plus de cent cinquante memoires et articles, tous sur les
etoiles doubles. Il determine plus de deux cents orbites et est
l'auteur d'une methode de calcul des parallaxes dynamiques tres utilise
jusqu'a nos jours.
Il n'a cesse de travailler qu'a la mort de son epouse, il n'a pas
supporte ce nouveau deuil. Officier de la Legion d'Honneur, Commandeur
de l'Ordre du Merite, titulaire de la medaille americaine de la
meilleure contribution amateur (1989), il est un des douze medailles du
centenaire de la Societe Astronomique de France en 1987.
Paul COUTEAU
IN MEMORIAM, DR. PAUL BAIZE
It is with great sorrow that we learn of the recent death of Dr. Paul
Baize.
Dr. Baize was one of this century's most active and esteemed
astronomers, and one of those who have most contributed to the IAU
Commission 26 Information Circular, having used this platform on 68
occasions to announce a total of 471 binary star orbits. His first
communication in the Circular appeared in its first issue (February
1954), his last in Circular No. 121 (October 1993). Only in 1994, at
94 years of age, did he finally decide to calculate no more orbits, a
decision he informed us of in a touching letter he sent us in July of
that year.
Our hearts go out to his family, who can take solace in the certainty
that his life and scientific achievements constitute an example and a
touchstone for those he leaves behind and for future generations.
Rest in peace.
J. A. DOCOBO and J. F. LING
===================================================================================
THE FORTHCOMING MEETING
``VISUAL DOUBLE STARS: FORMATION, DYNAMICS AND EVOLUTIONARY TRACKS"
International Workshop on multiple stars and celestial mechanics in
commemoration of 5th Centenary of the University of Santiago de
Compostela (Galicia, Spain).
Topics:
Origin and formation
Mass loss and evolution
Observations and their results
Astrometric data from satellites
Dynamics, orbits and planetary companions
Catalogues, databases and statistics
Invited Speakers:
Members of IAU Comissions No. 26 and 7
Chairman of Scientific Organizing committee:
Dr. Charles E. Worley,
US Naval Observatory,
Washington D.C., USA
Chairman of Local Organizing committee:
Dr. Jose A. Docobo,
Astronomical Observatory ``Ramon Maria Aller",
University of Santiago de Compostela,
Spain
e-mail: oadstars@usc.es
To be held in Santiago de Compostela, Spain from July 29 to August 1, 1996.
===================================================================================
The deadline for contributions to Information Circular No. 128 is:
February 15th 1996
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 128 (FEBRUARY 1996)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1996 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) Last ob. 1997
------------------------------------------------------------------------------
48 STT 547 1550.64 1970.44 0.497 175.1 180.4 5.98 POPOVIC &
00054N4549 0.0006 11.761 56.7 349.4 1994.796 180.8 5.98 PAVLOVIC
243 A 803 296.69 1962.41 0.007 171.0 298.9 0.21 ZULEVIC
00182N7256 1.2134 0.360 60.0 70.0 1987.760 300.7 0.21
COU 1511 19.7 1988.49 0.43 44.5 92.2 0.14 COUTEAU
02415N4053 18.2741 0.121 139.7 114.2 1996.05 83.5 0.15
STT 89 139.0 1918.0 0.71 113.5 301.9 0.40 ALZNER
05047N7404 2.5899 0.39 83.7 48.1 1993.07 302.1 0.39
SEE 53 117.0 1988.38 0.376 11.3 340.6 0.16 DOCOBO &
05276S2055 3.0769 0.257 47.2 267.2 1990.924 345.6 0.17 PRIETO
4373 HU 39 47.5 1978.6 0.28 43.3 42.6 0.35 ALZNER
0547.2N2153 7.5789 0.29 95.8 215.9 1991.905 42.1 0.35
5689 STF 163 720.79 1980.80 0.157 139.99 85.7 0.14 ZULEVIC
07011N1146 0.4994 0.587 76.7 268.8 1986.887 87.7 0.14
6526 A 1580 299.74 1957.16 0.001 117.2 273.0 0.27 POPOVIC &
08017S0836 1.0551 0.337 60.8 90.6 1990.349 273.9 0.27 PAVLOVIC
8884 A 2489 100.0 1949.0 0.65 18.2 192.2 0.53 ALZNER
13238S0044 3.6000 0.40 98.0 40.0 1995.36 192.0 0.52
9170 BU 939 602.3 2398.2 0.138 172.8 52.2 0.43 POPOVIC &
14141S0831 0.5977 0.802 116.1 332.4 1990.341 51.3 0.43 PAVLOVIC
11971 STF 2434 BC 402.7 2007.6 0.562 102.6 300.7 0.56 ALZNER
19027S0042 0.8940 1.195 145.7 200.3 1995.48 297.9 0.56
12961 A 1658 88.1 1989.81 0.093 43.8 159.2 0.20 DOCOBO &
19487N1503 4.0853 0.223 168.2 214.7 1993.66 154.3 0.20 LING
15182 A 772 133.81 1998.57 0.580 72.8 205.1 0.09 JASINTA
21395N3009 2.6904 0.21 149.8 262.6 192.9 0.08
===================================================================================
NEW DOUBLE STARS
Discovered by: E. Aristidi, Y. Bresson, M. Carbillet and B. Lopez, with 2m
Telescope Bernard Lyot of the Pic du Midi Observatory (France) using
optical speckle interferometry
STAR SAO Delta m Sp Coord.2000 1990+ Theta Rho
----------------------------------------------------------------------------------
MOAI 1 12917 0.0 --- 03 49 36.7 N 63 17 52.6 11 5.948 213.0 0.11
=========================================================================
PAPERS PUBLISHED IN 1995
1) ABAD, C.; DELLA PRUGNA, F.: "CCD measurements of visual binaries".
Astron. Astrophys. Suppl. Ser., 111, 229 (1995).
2) BENEST, D.; DUVENT, J. L.: "Is Sirius a triple star?". Astron.
Astrophys., 299 (1), 621 (1995).
3) BROSCHE, P. et al: "Duplicity amongst HIPPARCOS stars". Astron.
Nachr., 316 (1), 35 (1995).
4) CHMIELEWSKI, Y. et al.: "Contribution to the study of the visual
binary Zeta Herculis: a detailed analysis of Zeta Herculis A".
Astron. Astrophys., 299 (1), 809 (1995).
5) CHRISTOU, J. C. et al: "Rayleigh beacon adaptative optics imaging
of ADS 9731. Measurements of the isoplanatic field of view".
Astrophys. J., 450, 369 (1995).
6) DOMMANGET, J.: "Is this orbit really necessary? On the use of
Hipparcos double star measurements for orbit computation".
Astron. Astrophys., 301 (1), (1995).
7) DRUMMOND, J. D. et al: "Full adaptative optics images of ADS 9731
and Nu Cassiopeiae: Orbits and masses". Astrophys. J., 450, 380
(1995).
8) DYCK, H. M. et al.: "Imaging a binary star with a two-telescope
Michelson stellar interferometer". Astron. J., 110 (3), 1433
(1995).
9) EGGLETON, P.; KISELEVA, L.: "An empirical condition for stability
of hierarchical triple systems". Astrophys. J., 445, 640 (1995).
10) GATEWOOD, G; HAN, I.: "A MAP based study of ADS 14893". Astron. J.,
110 (4), 1860 (1995).
11) GAZENGEL, F. et al.: "The Hipparcos multiple stars: redution
methods and preliminary results". Astron. Astrophys., 304 (1), 105
(1995).
12) HEINTZ, W. D.: "Observations of double stars and new pairs. XVI.
Results in 1992-1994". Astrophys. J. Suppl Ser., 99, 693 (1995).
13) HUMMEL C. A. et al: "Obits of small angular scale binaries resolved
with the Mark III interferometer". Astron. J., 110 (1), 376
(1995).
14) JAVAKHISHVILI G. SH.; SALUKVADZE, G. N.: "Radial velocities of the
components of the Trapezium-type multiple systems". Astron.
Nachr., 316 (4), 209 (1995).
15) JAMES D. F. V. et al: "A new method for determining the angular
separation of double stars". Astrophys. J., 445, 406 (1995).
16) JASINTA, M.M.D. et al.: "Photographic observations of visual double
stars". Astron. Astrophys. Suppl. Ser., 114, 487 (1995).
17) LING, J. F. et al.: "The stroboscopic method applied to the stellar
three-body problem: The keplerian outer orbit approximation".
Astron. J., 110 (2), 875 (1995).
18) MASON, B. D.: " Speckles and shadow bands". Pub. Astron. Soc. of
the Pacific, 107 (709), 299 (1995).
19) MASON, B. D. et al: "Binary stars orbits from speckle
interferometry VII. The multiple system XI Ursae Majoris". Astron.
J., 109 (1), 332 (1995).
20) McALISTER, H. A. et al: "Binary stars orbits from speckle
interferometry VI. The nearby solar-type speckle-spectroscopic
binary HR 6697". Astron. J., 110 (1), 336 (1995).
21) MIGNARD, F. et al.: "Astrometry of double stars with Hipparcos".
Astron. Astrophys., 304 (1), 94 (1995).
22) NAKOS, TH. et al: "CCD astrometry and instrumental Delta V
photometry of wide visual double stars. IV Differential
measurements of northem pairs". Astron. Astrophys. Suppl. Ser.,
112, 453 (1995).
23) SINACHOPOULOS, D. et al: "VRI photometry of wide double stars with
A-type primaries". Astron. Astrophys. Suppl. Ser., 112, 291
(1995).
24) SMEKHOV, M. G.: "Spectroscopic components in the multiple systems
ADS 363 and ADS 3248". Astron. Lett., 21 (3), 396 (1995).
25) THIEBAUT, E. et al.: "The companion of Z Canis Majoris detected in
the visible". Astron. Astrophys., 303 (3), 795 (1995).
26) THIEBAUT, E. et al.: "Orbital motion of DF Tauri from speckle
interferometry". Astron. Astrophys., 304 (1), L17 (1995).
27) TOKOVININ, A. A.; SMEKHOV, M. G.: "Spectroscopic components in
multiple systems: ADS 11336C". Astron. Lett., 21 (2), 247 (1995).
28) TOKOVININ, A. A.: " The multiple system ADS 11061". Astron. Lett.,
21 (2), 250 (1995).
29) TOKOVININ, A. A.; SHATSKII, N. I.: "CCD observations of visual
binary stars". Astron. Lett., 21 (4) 464 (1995).
30) TORRES, G.: "A visual-spectroscopic orbit for the binary Sigma
248". Pub. Astron. Soc. of the Pacific, 107 (712), 524 (1995).
31) VINUALES E. et al: "Visual binary star orbits in universal
variables". Astrophys Space Science, 229, 117 (1995).
===================================================================================
The deadline for contributions to Information Circular No. 129 is:
June 15th 1996
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 129 (JUNE 1996)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1996 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) Last ob. 1997
------------------------------------------------------------------------------
48 STT 547 1550.64 1970.44 0.497 175.1 180.4 5.98 POPOVIC &
00054N4549 0.0006 11.761 56.7 349.4 1994.796 180.8 5.98 PAVLOVIC
1548 A 819 AB 185.52 2050.52 0.295 149.3 224.2 0.29 ZULEVIC
01570N3101 1.9617 0.480 59.1 217.2 1990.835 226.9 0.29
11483 STT 358 AB 304.63 1800.37 0.545 25.42 155.8 1.54 PAVLOVIC &
18359N1654 1.1818 1.398 131.7 41.8 1995.590 155.2 1.53 ZIVKOV
RST 769 173.2 1969.80 0.346 1.8 197.3 0.37 DOCOBO
15262S2819 2.0785 0.425 133.0 64.0 1996.16 195.5 0.38
ANNOUNCEMENT
THE GENERAL CATALOGUE OF TRIGONOMETRIC STELLAR PARALLAXES,
FOURTH EDITION, 1995
W. F. van Altena, J. T. Lee and E. D. Hoffleit
The Yale University Observatory announces the publication of a
completely revised and enlarged two-volume edition of this catalogue
containing 15.994 parallaxes for 8.112 stars.
Cost: $75.00 + $5.00 Domestic or $7.85 Foreign S&H for the two-volume set.
For ordering information, please contact Kim Monocchi, Librarian, Yale
University, Department of Astronomy. e-mail: kimm@astro.yale.edu
ERRATUM OF THE AUTHORS
Dr. Pavlovic noted in Circular No. 126 the following errata: In the
orbit of ADS 5400, omega should be 244.8 degrees, not 296.6 degrees,
and Omega (2000) should be 90.0 degrees, not 141.8 degrees.
===================================================================================
The deadline for contributions to Information Circular No. 130 is:
October 15th 1996
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN
INTERNATIONAL ASTRONOMICAL UNION COMMISSION 26 (DOUBLE STARS)
INFORMATION CIRCULAR No. 130 (OCTOBER 1996)
NEW ORBITS
ADS Name P (yr) T e W(2000) 1996 Author
RA 2000 DEC n (deg) a (") i (deg) w (deg) Last ob. 1997
------------------------------------------------------------------------------
795 HLD 4 495.76 1991.75 0.858 105.9 354.9 0.12 POPOVIC &
00575N5423 0.78301 0.748 39.2 186.4 1991.904 6.5 0.13 ZIVKOV
795 HLD 4 278.39 1992.23 0.827 104.8 12.0 0.10 OLEVIC &
00575N5423 1.29315 0.571 44.8 197.4 1991.9040 26.6 0.12 JOVANOVIC
7131 HU 225 129.80 1945.14 0.352 70.2 243.4 0.44 DOCOBO &
09001S1228 2.7735 0.339 38.3 11.7 1996.168 244.6 0.44 PRIETO
11584 STT 363 335 1986.35 0.90 161.0 344.2 0.29 ALZNER
18374N7741 1.07463 0.73 78.6 68.4 1996.34 344.7 0.31
GLE 3 156.76 1950.69 0.568 84.5 324.6 0.50 DOCOBO &
19172S6640 2.29650 0.539 50.8 98.0 1991.7151 326.0 0.50 LING
===================================================================================
The deadline for contributions to Information Circular No. 131 is:
February 15th 1997
J. A. Docobo (oadoco@usc.es)
J. F. Ling (oafana@usc.es)
Fax: (81) 59 70 54
Observatorio Astronomico "R. M. Aller"
P. O. Box 197
Universidade de Santiago de Compostela
SPAIN