A New NIR Flare of the QSO PKS0502+049
ATel #6868; L. Carrasco, A. Porras, E. Recillas, J. Leon-Tavares, V. Chavushyan, A. Carraminana, (INAOE, Mexico)
on 3 Jan 2015; 16:52 UT
Distributed as an Instant Email Notice Transients
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)
Subjects: Radio, Infra-Red, Optical, Gamma Ray, AGN, Blazar, Quasar, Transient
Referred to by ATel #: 7329
We report on a recent NIR flare of the high redshift QSO PKS0502+049 (z=0.954) also known as CGRaBS J0505+0459, associated with the Gamma ray source 2FGLJ0505.1+0501. On December 30th,2014 (JD, 2457021.8899), we obtained NIR photometry for this object and found it with enhanced fluxes corresponding to: J = 14.902+/- 0.05, H = 14.212 +/- 0.05 and Ks = 13.343 +/- 0.05. While on JD 2457006.8854, we detected this object at J = 15.440 +/- 0.03, H = 14.842 +/- 0.06 and Ks = 14.086+/- 0.04. Hence it shows an increment of its flux by a factor of 2 in the K band in a rather short lapse of 15 days. A previous flare of this object had been reported on Atel#6633. 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.
