INTEGRAL and Multiwavelength Observations of the Blazar Mrk 421 during an Active Phase

Details INTEGRAL and Multiwavelength Observations of the Blazar Mrk 421 during an Active Phase INTEGRAL and Multiwavelength Observations of the Blazar Mrk 421 during an Active Phase

2007-04-18

arxiv.org/abs/0704.2338v1

AIP Conf.Proc.921:371-372,2007

Astronomy and Astrophysics

Astrophysics

2 pages, 3 figures; to appear in the Proc. of the First Int. GLAST Symp. (Stanford, Feb. 5-8, 2007), eds. S.Ritz, P.F.Michelso

Scientific paper

10.1063/1.2757357

A ToO observation of the TeV-emitting blazar Mrk 421 with INTEGRAL was triggered in June 2006 by an increase of the RXTE count rate to more than 30 mCrab. The source was then observed with all INTEGRAL instruments with the exception of the spectrometer SPI for a total exposure of 829 ks. During this time several outbursts were observed by IBIS and JEM-X. Multiwavelength observations were immediately triggered and the source was observed at radio, optical and X-ray wavelengths up to TeV energies. The data obtained during these observations are analysed with respect to spectral evolution and correlated variability. Preliminary results of the analysis are presented in this poster.

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