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ATEL # 2311; L. Carrasco, A. Porras, E. Recillas, A.Carramiñana (INAOE. Mexico)
on 23 Nov 2009; 16:08 UT
Password Certification: LUIS CARRASCO (firstname.lastname@example.org)
Subjects: Infra-Red, Gamma Ray, AGN, Quasars
Referred to by ATEL #: 2316
We call attention on our recent observation of the source GB6 B1312+4810 with the CANICA NIR camera on the 2.1m telescope at the Observatorio Astrofísico Guillermo Haro, located in Cananea, Mexico. We found this quasar to show fluxes at least 2 magnitudes brighter than 2MASS values, of epoch 1999. Our recent observation on 2009-11-22, UT13:05:30 yields: H = 15.875 ± 0.06 on JD 2455158.044252 The object has been recently reported as an on going Gamma Ray Flaring; ATels 2306 and 2310. We shall continue observing this object in the near infrared as part of our NIR monitoring effort on AGN.