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Mrk50
Alternate Names:
  
RA = 12:23:24.1   Dec = +02:40:45   z = 0.02343
DL =  100.7 Mpc     DA =  96.2 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): 		3.560 (+ 0.455/- 0.478)   (107 Msun)
3.560 (+ 0.455/- 0.478)   (107 Msun)
MBH (RM modeling):
 3.160 (+ 2.460/- 1.070)   (107 Msun)
Williams et al. 2018 ApJ, 866, 75


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.
Hγ
λ4340
55587 - 55725
...
8.24
(+1.27/-1.25)
6.84
(+1.71/-1.47)
...
...
Barth et al. 2011 ApJ, 743L, 4B
...
He II
λ4686
55587 - 55725
...
-0.95
(+1.15/-1.05)
-0.24
(+0.73/-1.22)
...
...
Barth et al. 2011 ApJ, 743L, 4B
...
Hβ
λ4861
55587 - 55725
10.40
(+0.80/-0.90)
Grier et al. 2013 ApJ, 773, 90
10.40
(+0.80/-0.91)
9.53
(+0.49/-0.98)
2020
(+/- 103)
3355
(+/- 128)
Barth et al. 2011 ApJ, 743L, 4B

Barth et al. 2015 ApJ, 217, 26
...
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.