AVA AGN Variability Archive

NGC 5548

AVA #8

Simbad | NED | Bentz DB

RA (h:m:s)    DEC (d:m:s)  J2000:
14:18:00   25:08:13

Basic Information

Redshift 0.01718
E(B-V) 0.020 Schlafly & Finkbeiner (2011)
Black Hole Mass 7.7 M
L5000 44.1 (erg/s)
Comments: AGN STORM

Photometric Data Summary

Facility Cadence
(days)
Start
(MJD)
End
(MJD)
Swift 1.06 2013-05-19 2021-03-13
LCO 1.02 2014-05-02 2021-08-25 --

Spectroscopic Data Summary

Facility Cadence
(days)
Epochs Start
(MJD)
End
(MJD)
LCO 1.87 125 2016-12-22 2021-08-31 --

Data Citation

  • Fausnaugh et al. 2016, ApJ, 821, 56
  • Starkey et al. 2017, ApJ, 835, 65

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

    Photometry breakdown

    • LCO B V u g r i z -- --
      #Epochs 166 623 172 547 532 525 509 -- --
      Mean Mag (AB)
      Last 10 days
      14.34 13.86 14.54 14.05 13.41 13.58 13.18 -- --
    • Swift X-rays UVW2 UVM2 UVW1 U B V -- --
      #Epochs 268 546 325 386 339 329 317 -- --
      Mean Mag (AB)
      Last 10 days
      0.00 14.86 14.73 14.49 14.13 14.18 13.90 -- --