Hori, T. and Ueda, Y. and Done, C. and Shidatsu, M. and Kawamuro, T. and Kubota, A. and Nakahira, S. (2016) Broadband X-ray study of the galactic black hole binary 4U 1630-47 with Suzaku. Astronomische Nachrichten, 337 (4-5). pp. 467-472. ISSN 0004-6337. doi:10.1002/asna.201612331. https://resolver.caltech.edu/CaltechAUTHORS:20160527-105327275
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Abstract
We present the results from our Suzaku observations of the Galactic black hole binary 4U 1630-47. 4U 1630-47 was observed in the very high state (VHS) during the 2012 September-October outburst. The inner disk appears slightly truncated by comparison with a previous high/soft state (HSS) of this source, even by taking into account energetic coupling between the disk and corona. The spectra do not show the Doppler-shifted emission lines indicating baryonic jets that were seen four days previously in an XMM-Newton observation, despite the source being in a similar state. There are no significant absorption lines from highly ionized iron ions. We also observed 4U 1630-47 in the HSS simultaneously with Suzaku and NuSTAR in an early epoch of the 2015 outburst. All Suzaku spectra in the HSS show variable iron-K absorption line features. We find that the ionization state of the disk wind rapidly increased when the continuum showed significant spectral hardening. This behavior is consistent with that expected from a thermally driven wind.
| Item Type: | Article | |||||||||
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| Additional Information: | © 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. | |||||||||
| Group: | NuSTAR | |||||||||
| Issue or Number: | 4-5 | |||||||||
| DOI: | 10.1002/asna.201612331 | |||||||||
| Record Number: | CaltechAUTHORS:20160527-105327275 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160527-105327275 | |||||||||
| Official Citation: | Hori, T., Ueda, Y., Done, C., Shidatsu, M., Kawamuro, T., Kubota, A. and Nakahira, S. (2016), Broadband X-ray study of the galactic black hole binary 4U 1630-47 with Suzaku. Astron. Nachr., 337: 467–472. doi: 10.1002/asna.201612331 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 67445 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Joy Painter | |||||||||
| Deposited On: | 27 May 2016 19:12 | |||||||||
| Last Modified: | 04 Oct 2022 17:28 |
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