INTEGRAL/IBIS survey of the Sagittarius Arm Tangent region: A source catalog
S.V.Molkov (1), A.M.Cherepashchuk (2), A.A.Lutovinov (1),, M.G.Revnivtsev (1,3), K.A.Postnov (2), R.A.Sunyaev (1,3)(1 - Space Research, Institute, Moscow, Russia; 2 - SAI, Moscow, Russia, 3 - MPA, Garching,, Germany)
TL;DR
This paper presents a catalog of 28 X-ray sources detected in the Sagittarius Arm Tangent region using INTEGRAL/IBIS, including new sources and detailed energy range analysis, enhancing understanding of high-energy astrophysical objects.
Contribution
It provides the first comprehensive survey of the region in the 18-120 keV range, identifying new sources and classifying known objects with detailed flux measurements.
Findings
28 sources detected above 1.4 mCrab in 18-60 keV range
3 previously unknown sources discovered
14 sources show significant flux in 60-120 keV range
Abstract
Analysis of 18-120 keV images of the Sagittarius Arm Tangent region (SATR) obtained by IBIS telescope onboard INTEGTRAL observatory during the spring of 2003 is performed. In the 18-60 keV energy range, 28 sources have been detected with a flux level above 1.4 mCrab. Of these sources, 16 were identified earlier as galactic X-ray binary systems, 3 as extragalactic objects, 2 as pulsars inside supernova remnants, and 7 has unknown nature. The analysis revealed the presence of three previously unknown sources. Fourteen sources show significant flux in the 60-120 keV energy range
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Taxonomy
TopicsAstrophysical Phenomena and Observations · Astrophysics and Cosmic Phenomena · Pulsars and Gravitational Waves Research