Multi-wavelength INTEGRAL network (MINE) observations of the microquasar GRS 1915+105

Yaël Fuchs, J. Rodriguez, S. E. Shaw, P. Kretschmar, M. Ribó, S. Chaty, I. F. Mirabel, V. Dhawan, G. G. Pooley, I. Brown, R. Spencer, D. C. Hannikaincn

Research output: Contribution to journalConference articlepeer-review

Abstract

We present the international collaboration MINE (Multi-lambda Integral NEtwork) aimed at conducting multi-wavelength observations of X-ray binaries and microquasars simultaneously with the INTE-GRAL γ-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 IIz 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.

Original languageEnglish
Pages (from-to)321-324
Number of pages4
JournalEuropean Space Agency, (Special Publication) ESA SP
Issue number552
Publication statusPublished - 1 Dec 2004
Externally publishedYes
Event5th INTEGRAL Workshop on The INTEGRAL Universe - Munich, Germany
Duration: 16 Feb 200420 Feb 2004

Keywords

  • Gamma rays: observations
  • ISM: jets and outflows
  • Stars: individual: GRS 1915+105
  • X-rays: binaries

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