IBIS performances during the Galactic Plane Scan - I. The Cygnus region
作者： F. Capitanio , L. Foschini , A. Goldwurm , F. Lebrun , A. Paizis
DOI: 10.1051/0004-6361:20031227
关键词:
摘要: The Plane of our Galaxy is regularly observed by the INTEGRAL satellite means scheduled scans. We present here results from IBIS/ISGRI instrument using data first two Galactic Scans performed at end Performance Verification phase, while was pointed towards Cygnus region. Considering predicted IBIS sensitivity, we expected three persistent sources to be detectable: Cyg X--1, X--3, X--2, in order decreasing intensity hard-X energy range (>15 keV). In addition these sources, analysis revealed more transient confirming unprecedented sensitivity. For each exposure (~2200 s) scans, report on detected source fluxes, variabilities and localisation accuracies.
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