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Mrk509 Alternate Names:   WFPC2, PC, F547M RA = 20:44:09.7   Dec = -10:43:25   z = 0.0344 DL =  147.0 Mpc     DA =  137.4 Mpc for  H0 = 72 km s-1 Mpc-1  ΩΛ = 0.7   ΩM = 0.3 < f > : 5.5 Onken+04 5.1 Park+12 4.8 Batiste+17 4.3 Grier+13 2.8 Graham+11  Other  MBH calculated using < f > =  4.3 MBH (Hβ only): MBH (all lines): 10.873 (+ 0.960/- 0.878)   (107 Msun) 11.193 (+ 0.941/- 0.859)   (107 Msun)

Reverberation Measurements
Line	JD Range (days)	τJAV (days)	τJAV Ref.	τcent (days)	τpeak (days)	σline (km s-1)	FWHM (km s-1)	RM Ref(s)	log LAGN,5100 (ergs s-1)	L Ref.
He II λ4686	47653 - 50374	52.2 (+ 0.1/- 0.1)	Zu et al. 2011 ApJ, 735, 80	33.5 (+ 8.2/- 7.1)	15.0 (+29.0/- 7.0)	2574 (+/- 85)	5864 (+/- 306)	Peterson et al. 1998 ApJ, 501, 82 Peterson et al. 2004 ApJ, 613, 682	44.13 (+/- 0.05)	Bentz et al. 2013 ApJ, 767, 149
Hβ λ4861	47653 - 50374	69.9 (+ 0.3/- 0.3)	Zu et al. 2011 ApJ, 735, 80	79.6 (+ 6.1/- 5.4)	76.0 (+ 6.0/- 7.0)	1276 (+/- 28)	2715 (+/- 101)	Peterson et al. 1998 ApJ, 501, 82 Peterson et al. 2004 ApJ, 613, 682	44.13 (+/- 0.05)	Bentz et al. 2013 ApJ, 767, 149

Note: Measurements are provided in the rest frame of the host galaxy. Line widths are measured in the variable (RMS) portion of the spectrum. Researchers are advised to examine the details and make their own determination of the reliability of any datasets included here.