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The XMM-Newton/Chandra monitoring campaign of the Galactic center region

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dc.contributor.authorWijnands, R
dc.contributor.authorin't Zand, JJM
dc.contributor.authorRupen, M
dc.contributor.authorMaccarone, T
dc.contributor.authorHoman, J
dc.contributor.authorCornelisse, R
dc.contributor.authorFender, R
dc.contributor.authorGrindlay, J
dc.contributor.authorvan der Klis, M
dc.contributor.authorKuulkers, E
dc.contributor.authorMarkwardt, CB
dc.contributor.authorMiller-Jones, JCA
dc.contributor.authorWang, QD
dc.contributor.departmentUniversity of Massachusetts - Amherst
dc.date2023-09-23T03:40:52.000
dc.date.accessioned2024-04-26T08:25:37Z
dc.date.available2024-04-26T08:25:37Z
dc.date.issued2006-01-01
dc.description<p>This is the pre-published version harvested from ArXiv. The published version is located at <a href="http://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361:20054129&Itemid=129">http://www.aanda.org/index.php?option=com_article&access=doi&doi=10.1051/0004-6361:20054129&Itemid=129</a></p>
dc.description.abstractWe present the first results of our X-ray monitoring campaign on a 1.7 square degree region centered on Sgr A* using the satellites XMM-Newton and Chandra. The purpose of this campaign is to monitor the behavior (below 10 keV) of X-ray sources (both persistent and transient) which are too faint to be detected by monitoring instruments aboard other satellites currently in orbit (e.g., Rossi X-ray Timing Explorer; INTEGRAL). Our first monitoring observations (using the HRC-I aboard Chandra) were obtained on June 5, 2005. Most of the sources detected could be identified with foreground sources, such as X-ray active stars. In addition we detected two persistent X-ray binaries (1E 1743.1-2843; 1A 1742-294), two faint X-ray transients (GRS 1741.9-2853; XMM J174457-2850.3), as well as a possible new transient source at a luminosity of a few times 1034 erg s-1. We report on the X-ray results on these systems and on the non-detection of the transients in follow-up radio data using the Very Large Array. We discuss how our monitoring campaign can help to improve our understanding of the different types of X-ray transients (i.e., the very faint ones).
dc.description.pages1117-1127
dc.identifier.doihttps://doi.org/10.1051/0004-6361:20054129
dc.identifier.urihttps://hdl.handle.net/20.500.14394/2699
dc.relation.ispartofAstronomy and Astrophysics
dc.relation.urlhttps://scholarworks.umass.edu/cgi/viewcontent.cgi?article=2075&amp;context=astro_faculty_pubs&amp;unstamped=1
dc.source.issue3
dc.source.issue449
dc.source.statuspublished
dc.subjectaccretion
dc.subjectaccretion disks -- binaries: close -- X-rays: binaries
dc.subjectAstrophysics and Astronomy
dc.titleThe XMM-Newton/Chandra monitoring campaign of the Galactic center region
dc.typearticle
dc.typearticle
digcom.contributor.authorWijnands, R
digcom.contributor.authorin't Zand, JJM
digcom.contributor.authorRupen, M
digcom.contributor.authorMaccarone, T
digcom.contributor.authorHoman, J
digcom.contributor.authorCornelisse, R
digcom.contributor.authorFender, R
digcom.contributor.authorGrindlay, J
digcom.contributor.authorvan der Klis, M
digcom.contributor.authorKuulkers, E
digcom.contributor.authorMarkwardt, CB
digcom.contributor.authorMiller-Jones, JCA
digcom.contributor.authorisAuthorOfPublication|email:wqd@astro.umass.edu|institution:University of Massachusetts - Amherst|Wang, QD
digcom.identifierastro_faculty_pubs/1079
digcom.identifier.contextkey1950038
digcom.identifier.submissionpathastro_faculty_pubs/1079
dspace.entity.typePublication
relation.isAuthorOfPublication702446e9-94cf-40bd-9d01-6802ee56ee93
relation.isAuthorOfPublication.latestForDiscovery702446e9-94cf-40bd-9d01-6802ee56ee93
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