NIR Flaring of the Quasar 3C454.3

Astronomy and Astrophysics – Astronomy

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Request For Observations, Agn, Blazar, Quasar

Scientific paper

We report the ongoing NIR flare of the quasar 3C454.3, also known as [HB89]2251+158. It is likely associated with a gamma ray source CGRaBSJ2253+1608 and the radio source WMAP055. It is an intermediate redshift FRSQSO Z=0.859 (RA=22:53:57.75, Dec=+16:08:53.6(J2000). On October 31th,2010 (JD 2455500.781451), we determined the NIR flux from this object to correspond to H = 11.190 +/- 0.03, 0.63mag brighter than it was two days earlier(JD 2455498.821166) when we determined it to have H = 11.820 +/- 0.03.

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