Another NIR flare of the Blazar PKS1550-242A

ATel #6238; L. Carrasco, A. Porras, G. Escobedo, E. Recillas, A. Carraminana, (INAOE)
on 16 Jun 2014; 16:59 UT
Credential Certification: LUIS CARRASCO (carrasco@inaoep.mx)

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We call attention on our recent observation of the Gamma Ray source 1FGLJ1553.4-2425 also known as PKS1550-242 with the CANICA NIR camera on the 2.1m telescope at the Observatorio Astrofisico Guillermo Haro, located in Cananea, Mexico. On May 28th,2014 (JD2456805.7865), we found this blazar to be in another outburst. It showed fluxes about 0.5 magnitudes brighter than our previous NIR photometry. The source is brightest since the time we started monitoring it on JD 2455284. This flux is a factor of 76 times larger than the flux observed on JD24555637.992, H = 18.85 +/- 0.35 with the same instrument. It is a very significant increase in luminosity in this lapse. Since 2010 this source has being flaring, we reported its previous activity in ATEL #2726, #3332 and #4966. We encourage further multiwavelength observations. Related 4966 NIR brightening of the Blazar PKS1550-242 3332 Another NIR flare of the Gamma ray source PKS1550-242 2726 NIR flaring of the Gamma ray source PKS1550-242