AVA AGN Variability Archive

Mrk 876

Simbad | NED | Bentz DB

RA (h:m:s)    DEC (d:m:s)       RA (deg)     DEC (deg):
16:13:57.18   +65:43:09.59       243.48825      65.71933

Basic Information

Redshift 0.12109
E(B-V) 0.027 Schlafly & Finkbeiner (2011)
Black Hole Mass 8.34 M Bentz & Katz (2015)
log(L5100) 44.71 erg/s Bentz & Katz (2015)
log(LBol) 45.77 erg/s kbol=11.48, Netzer (2019)
LEdd 0.207 (caution)
Lag u-g 2.93 days (theoretical)
Lag u-zs 8.96 days (theoretical)

Photometric Data Summary

Facility Cadence
(days)
Start
(MJD)
End
(MJD)
Swift 0.99 2019-06-01 2020-04-19
LCO 1.97 2016-02-14 2023-08-02

Spectroscopic Data Summary

Facility Cadence
(days)
Epochs Start
(MJD)
End
(MJD)
LCO 4.06 240 2016-02-20 2023-07-29

Data Citation

  • Hernandez Santisteban et al, in prep
  • Landt et al, in prep

  • Please use this reference if you use the this object data.

    Photometric Light curves


    Photometry breakdown

    • LCO B V u g r i z -- --
      #Epochs 219 216 249 986 927 914 802 -- --
      Mean Mag (AB)
      Last 10 days
      14.83 14.74 14.88 14.87 14.77 14.29 14.57 -- --
    • Swift X-rays UVW2 UVM2 UVW1 U B V -- --
      #Epochs 251 198 174 175 168 205 218 -- --
      Mean Mag (AB)
      Last 10 days
      0.00 50.43 50.76 50.99 51.42 52.09 52.38 -- --