CHANDRAOBSERVATIONS OF FIVEINTEGRALSOURCES: NEW X-RAY POSITIONS FOR IGR J16393–4643 AND IGR J17091–3624
نویسندگان
چکیده
منابع مشابه
IGR J 16194 − 2810 : a new symbiotic X – ray binary ⋆
We here report on the multiwavelength study which led us to the identification of X–ray source IGR J16194−2810 as a new Symbiotic X–ray Binary (SyXB), that is, a rare type of Low Mass X–ray Binary (LMXB) composed of a M-type giant and a compact object. Using the accurate X–ray position allowed by Swift/XRT data, we pinpointed the optical counterpart, a M2 III star. Besides, the combined use of ...
متن کاملOrbital Parameters for the X-ray Pulsar Igr J16393-4643
With recent and archival Rossi X-Ray Timing Explorer (RXTE) X-ray measurements of the heavily obscured X-ray pulsar IGR J16393-4643, we carried out a pulse timing analysis to determine the orbital parameters. Assuming a circular orbit, we phase-connected data spanning over 1.5 years. The most likely orbital solution has a projected semi-major axis of 43 ± 2 lt-s and an orbital period of 3.6875 ...
متن کاملThe Peculiar X - Ray Transient Igr 16358 − 4726
The new transient IGR 16358−4726 was discovered on 2003 March 19 with INTEGRAL. We detected the source serendipitously during our 2003 March 24 observation of SGR 1627− 41 with the Chandra X-ray observatory at the 1.7×10 ergs s cm flux level (2−10 keV) with a very high absorption column (NH = 3.3 × 10 23 cm) and a hard power law spectrum of index 0.5(1). We discovered a very strong flux modulat...
متن کاملThe First X-ray Eclipse of Igr J16479-4514?
We report on the first long (∼32 ks) pointed XMM-Newton observation of the supergiant fast X-ray transient IGR J16479-4514. Results from the timing, spectral and spatial analysis of this observation show that the X-ray source IGR J16479-4514 underwent an episode of sudden obscuration, possibly an X-ray eclipse by the supergiant companion. We also found evidence for a soft X-ray extended halo ar...
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We report the discovery with INTEGRAL on March 24, 2005, and follow-up observations of the distant Galactic X-ray nova IGR J17098-3628.
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ژورنال
عنوان ژورنال: The Astrophysical Journal
سال: 2012
ISSN: 0004-637X,1538-4357
DOI: 10.1088/0004-637x/751/2/113