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Yet another NIR flare of 4C+38.41

ATel #5436; L. Carrasco, A. Porras, E. Recillas, A. Carraminana (INAOE, Mexico)
on 2 Oct 2013; 18:30 UT
Distributed as an Instant Email Notice Transients
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)

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

We confirm the report Atel #5411 by Larionov and Efimova, of the recent NIR infrared flux increase of the high redshift quasar (z=1.81) 4C+38.41 also known as HB89 1633+382 cross identified with the Gamma ray source 2FGL J1635.2+3810. On September 16th,2013 (JD2456551.643762) we determined the flux in the NIR to be H = 13.453 +/- 0.06. This is to be compared with our previous determination H = 14.142 +/- 0.07 on JD 2456432.854317. Flux increase in other wavelengths has been reported in ATel #5412, #5418 and #5423. Presently, the object is undergoing a NIR flare similar to the one previously observed for the epoch JD2455693. 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 multi-wavelength coverage.