NIR Photometry of [HB89] 0716+714 at maximum light
ATel #7026; L. Carrasco, A. Porras, E. Recillas, J. Leon-Tavares, V. Chavushyan, A. Carraminana (INAOE, Mexico)
on 4 Feb 2015; 19:25 UT
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)
Subjects: Radio, Infra-Red, Optical, Gamma Ray, TeV, AGN, Blazar, Quasar
We report on further photometry of the ongoing NIR flare of the intermediate redshift QSO [HB89]0716+714 (z=0.30) also known as CGRaBS J0721+7120, associated with the Gamma ray source 2FGLJ0721.9+7120. On January 24th,2015 (JD, 2457046.9520), we obtained NIR photometry for this object and found it with further enhanced fluxes corresponding to J = 10.438+/- 0.05, H = 9.766 +/- 0.05 and Ks = 8.989 +/- 0.04. While on JD 2457021.0025, we detected this object at J = 12.338 +/- 0.03, H = 11.613 +/- 0.03 and Ks = 10.888 +/- 0.03. Hence it shows an increment of its flux by a factor of 5.8 in the NIR in a rather short lapse of 25 days. The object is presently brightest since the time we started monitoring it in these bands on JD 2454423. Multiwavelength reports on this flaring event can be found in Atels #6902, #6942,#6944, #6953, #6957, #6962, #6999, #7004. Our observations were carried out with the 2.1m telescope of the Guillermo Haro Observatory operated by the National Institute for Astrophysics, Optics and Electronics (Mexico), equipped with the instrument CANICA a NIR camera. We strongly encourage further multiwavelength coverage.
