AVA AGN Variability Archive

3C 273

Simbad | NED | Bentz DB

RA (h:m:s)    DEC (d:m:s)       RA (deg)     DEC (deg):
12:29:06.70   +02:03:08.60       187.27792      2.05239

Basic Information

Redshift 0.158339
E(B-V) 0.018 Schlafly & Finkbeiner (2011)
Black Hole Mass 8.84 M Bentz & Katz (2015)
log(L5100) 45.9 erg/s Bentz & Katz (2015)
log(LBol) 46.72 erg/s kbol=6.64, Netzer (2019)
LEdd 0.586 (caution)
Lag u-g days (theoretical)
Lag u-zs days (theoretical)

Photometric Data Summary

Facility Cadence
(days)
Start
(MJD)
End
(MJD)
LCO 1.01 2018-12-31 2024-04-16

Spectroscopic Data Summary

Facility Cadence
(days)
Epochs Start
(MJD)
End
(MJD)
LCO 5.81 115 2018-12-30 2024-04-08

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 2439 2388 2356 2751 2718 2700 2938 -- --
    Mean Mag (AB)
    Last 10 days
    13.39 13.23 13.32 13.42 13.29 12.95 13.30 -- --
    Fractional
    Variability
    7.724% 6.090% 6.889% 6.617% 5.924% 4.838% 6.332% -- --