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NIR Flaring of the QSO CGRaBS J1700+6830

ATEL # 2703; L. Carrasco, A. Carramiñana ,E. Recillas, A. Porras, D.Y.Mayya, G. Escobedo (INAOE. Mexico)
on 29 Jun 2010; 5:10 UT
Password Certification: LUIS CARRASCO (

Subjects: Radio, Infra-Red, Gamma Ray, AGN, Quasars

We call attention on our recent observation of the Gamma Ray source CGRaBS J1700+6830 also known as RGB J1700+685 with the CANICA NIR camera on the 2.1m telescope at the Observatorio Astrofísico Guillermo Haro, located in Cananea, Mexico. On June 12th, 2010 (JD24555359.892), we found this blazar to be in outburst. It showed fluxes about 2.6 magnitudes brighter than previous NIR photometry. On this date the source was found to have a flux corresponding to K = 10.446 +/- 0.05. This flux is a factor of 11.2 times larger than the flux observed on JD24555306.999 K = 13.069 +/- 0.04 with the same instrument. We encourage further multiwavelength observations.

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