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NIR brightening of the Quasar PKS0735+17

ATel #5735; L. Carrasco, A. Porras, G. Escobedo, E. Recillas, V. Chabushyan, A. Carraminana, D. Mayya (INAOE, Mexico)
on 8 Jan 2014; 02:22 UT
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)

Subjects: Radio, Infra-Red, Gamma Ray, AGN, Blazar, Quasar

We report on the NIR brightening of the intermediate redshift quasar PKS0735+17 (z=0.424), also known as CGRaBSJ04738+1742, associated with the gamma-ray source 2FGL0738.0+1742. Our NIR photometry for this source shows that, on Jan 7th,2014 (JD2456664.848838), the object brightness corresponded to J = 13.39 +/- 0.04, H = 12.582 +/- 0.03 and Ks = 11.826 +/- 0.03. These values are about 0.5 magnitud brighter than our previous photometry, obtained on JD2456306, for this field. The object is brightest since we started monitoring it on JD 2454591. Our observations are 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.