AVA AGN Variability Archive

Mrk 279

Simbad | NED | Bentz DB

RA (h:m:s)    DEC (d:m:s)       RA (deg)     DEC (deg):
13:53:03.45   +69:18:29.56       208.26436      69.30821

Basic Information

Redshift 0.030451
E(B-V) 0.014 Schlafly & Finkbeiner (2011)
Black Hole Mass 7.5 M Bentz & Katz (2015)
log(L5100) 43.8 erg/s Bentz & Katz (2015)
log(LBol) 45.04 erg/s kbol=17.46, Netzer (2019)
LEdd 0.268 (caution)
Lag u-g days (theoretical)
Lag u-zs days (theoretical)

Photometric Data Summary

Facility Cadence
(days)
Start
(MJD)
End
(MJD)
Swift 1.85 2008-05-26 2022-08-29
LCO 1.00 2020-07-02 2024-04-15

Spectroscopic Data Summary

Facility Cadence
(days)
Epochs Start
(MJD)
End
(MJD)
LCO 10.90 43 2022-01-06 2023-12-04

Data Citation


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 1103 1083 1063 1169 1078 1091 1072 -- --
    Mean Mag (AB)
    Last 10 days
    15.19 14.79 15.44 14.43 13.91 13.85 13.66 -- --
  • Swift X-rays UVW2 UVM2 UVW1 U B V -- --
    #Epochs 0 154 153 158 155 152 149 -- --
    Mean Mag (AB)
    Last 10 days
    0.00 15.62 15.53 15.28 14.92 14.88 14.45 -- --