EDP Sciences
Free access
Issue A&A
Volume 411, Number 1, November III 2003
Special letters issue on: first science with integral
Page(s) L437 - L440
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20031354



A&A 411, L437-L440 (2003)
DOI: 10.1051/0004-6361:20031354

Letter

First observations of the X-ray transient EXO 2030+375 with IBIS/ISGRI

S. Kuznetsov1, M. Falanga1, P. Blay2, A. Goldwurm1, P. Goldoni1 and V. Reglero2

1  CEA Saclay, DSM/DAPNIA/Service d'Astrophysique, 91191 Gif-sur-Yvette Cedex, France
2  GACE, Instituto de Ciencia de los Materiales, Universitat de Valencia, PO Box 22085, 46071 Valencia, Spain

(Received 18 July 2003 / Accepted 3 September 2003)

Abstract
We present a first INTEGRAL observation of the 42 s transient X-ray pulsar EXO 2030+375 with IBIS/ISGRI. The source was detected during Cyg X-1 observations in December 2002. We analyzed observations during the outburst period from 9 to 21 December 2002 with a total exposure time of ~770 kilosec. EXO 2030+375 was almost always detected during single ~30 min exposures in the 18-45 energy bands. The source light curve shows the characteristic outburst shape observed in this source.


Key words: gamma rays: observations -- X-rays: individual: EXO 2030+375 -- telescopes: INTEGRAL: IBIS

Offprint request: S. Kuznetzov, kuznetz@cea.fr

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ISSN: 0004-6361 ; e-ISSN: 1432-0746
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