| | |
| | |
Stat |
Members: 3645 Articles: 2'506'133 Articles rated: 2609
26 April 2024 |
|
| | | |
|
Article overview
| |
|
Chandra and RXTE Spectroscopy of the Galactic Microquasar XTE J1550-564 in Outburst | J.M. Miller
; H.L. Marshall
; R. Wijnands
; T. Di Matteo
; D.W. Fox
; J. Kommers
; D. Pooley
; T. Belloni
; J. Casares
; P.A. Charles
; A.C. Fabian
; M. van der Klis
; W.H.G. Lewin
; | Date: |
14 Mar 2001 | Journal: | Mon.Not.Roy.Astron.Soc. 338 (2003) 7 | Subject: | astro-ph | Affiliation: | MIT, MPA, OAB Merate, IAC La Laguna, Univ. Southampton, IoA Cambridge, IAP Univ. Amsterdam | Abstract: | On two occasions, we obtained nearly simultaneous ~ 4 kilosecond snapshot observations of the Galactic black hole and microquasar XTE J1550-564 with Chandra and RXTE near the peak of its May, 2000 outburst. The low-energy sensitivity of Chandra and the resolution of the High Energy Transmission Grating Spectrometer (HETGS), coupled with the broad energy range and large collecting area of RXTE, have allowed us to place constraints on the outburst accretion flow geometry of this source in the ``intermediate’’ X-ray state. The 0.65-25.0 keV continuum spectra are well-described by relatively hot (kT ~ 0.8 keV) accretion disk and hard (Gamma ~ 2.3) coronal power-law components. Broad, relatively strong Fe K-alpha emission line (EW ~170 eV) and smeared absorption edge components consistent with Fe XXV are strongly required in joint spectral fits. The resolution of the Chandra/HETGS reveals that the broad Fe K-alpha emission lines seen clearly in the individual RXTE spectra are not due to an intrinsically narrow line. | Source: | arXiv, astro-ph/0103215 | Services: | Forum | Review | PDF | Favorites |
|
|
No review found.
Did you like this article?
Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.
browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
|
| |
|
|
|
| News, job offers and information for researchers and scientists:
| |