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29 March 2024
 
  » arxiv » astro-ph/0404030

 Article overview


Multi-wavelength INTEGRAL NEtwork (MINE) observations of the microquasar GRS 1915+105
Yael Fuchs ; J. Rodriguez ; S.E. Shaw ; P. Kretschmar ; M. Ribo ; S. Chaty ; I.F. Mirabel ; V. Dhawan ; G.G. Pooley ; I. Brown ; R. Spencer ; D.C. Hannikainen ( SAp ; ISDC ; Univ. Southampton ; MPE ; Univ. Paris 7 ; IAFE ; NRAO ; MRAO ; Jodrell Bank ;
Date 1 Apr 2004
Subject astro-ph
Affiliation1,2), S.E. Shaw (3,2), P. Kretschmar (4,2), M. Ribo , S. Chaty (5,1), I.F. Mirabel (1,6), V. Dhawan , G.G. Pooley , I. Brown , R. Spencer , D.C. Hannikainen (10) ( SAp, ISDC, Univ. Southampton, MPE, Univ. Paris 7, IAFE, NRAO, MRAO, Jodrell Ban
AbstractWe present the international collaboration MINE (Multi-lambda Integral NEtwork) aimed at conducting multi-wavelength observations of X-ray binaries and microquasars simultaneously with the INTEGRAL gamma-ray satellite. We will focus on the 2003 March-April campaign of observations of the peculiar microquasar GRS 1915+105 gathering radio, IR and X-ray data. The source was observed 3 times in the plateau state, before and after a major radio and X-ray flare. It showed strong steady optically thick radio emission corresponding to powerful compact jets resolved in the radio images, bright near-infrared emission, a strong QPO at 2.5 Hz in the X-rays and a power law dominated spectrum without cutoff in the 3-300 keV range. We compare the different observations, their multi-wavelength light curves, including JEM-X, ISGRI and SPI, and the parameters deduced from fitting the spectra obtained with these instruments on board INTEGRAL.
Source arXiv, astro-ph/0404030
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