期刊
ASTRONOMY & ASTROPHYSICS
卷 423, 期 2, 页码 L17-L20出版社
EDP SCIENCES S A
DOI: 10.1051/0004-6361:200400021
关键词
X-rays : binaries; X-rays : IGR J19140+0951; gamma-rays : observations
IGR J19140+0951 (formerly known as IGR J19140+098) was discovered with the INTEGRAL satellite in March 2003. We report the details of the discovery, using an improved position for the analysis. We have performed a simultaneous study of the 5-100 keV JEM-X and ISGRI spectra from which we can distinguish two different states. From the results of our analysis we propose that IGR J19140+0951 is a persistent Galactic X-ray binary, probably hosting a neutron star although a black hole cannot be completely ruled out.
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