<-- Return to object selection



PG0844+349
Alternate Names:
  ACS, HRC, F550M
RA = 08:47:42.4   Dec = +34:45:04   z = 0.064
DL =  279.4 Mpc     DA =  246.8 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): 		...               (107 Msun)
7.216 (+ 3.079/- 2.965)   (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.
Hγ
λ4340
48319 - 51085
17.7
(+ 2.5/- 2.1)
Zu et al. 2011 ApJ, 735, 80
27.1
(+70.1/-38.1)
24.0
(+67.0/-35.0)
2058
(+/- 218)
4946
(+/- 1085)
Kaspi et al. 2000 ApJ, 533, 631

Peterson et al. 2004 ApJ, 613, 682
...
Hβ
λ4861
48319 - 51085
12.2
(+ 5.2/- 1.3)
Zu et al. 2011 ApJ, 735, 80
...
6.0
(+14.0/-15.0)
1448
(+/- 79)
2148
(+/- 612)
Kaspi et al. 2000 ApJ, 533, 631

Peterson et al. 2004 ApJ, 613, 682
...
Hα
λ6563
48319 - 51085
20.8
(+ 0.4/- 1.4)
Zu et al. 2011 ApJ, 735, 80
32.3
(+13.7/-13.4)
33.0
(+ 8.0/-13.0)
1625
(+/- 73)
2436
(+/- 329)
Kaspi et al. 2000 ApJ, 533, 631

Peterson et al. 2004 ApJ, 613, 682
...
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.