A dataset provided by the European Space Agency

Name 014233
Title A POSSIBLE SPECTRAL SIGNATURE OF ULTRACOMPACT LOW MASS X-RAY BINARIES
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0142330201
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0142330501

DOI 10.5270/esa-nbrllg7
Author Dr Lara Sidoli
Description ASCA and BeppoSAX observations of a number of ultra-compact (P<1hr) X-ray binaries have revealed two possible spectral differences compared to other LMXRB systems. These are (1) the presence of a discrete feature near 0.7 keV (attributed to Ne) and (2) their best-fit parameter values when fit with a disk-blackbody and Comptonized continuum. We wish to clarify and extend the emerging picture of a spectral signature for the ultra-compact systems using XMM--Newton. The proposed observations will allow a clear confirmation of such a signature which will, in turn, allow the nature of a LMXRB to be determined from its spectral characteristics.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-09-27T09:04:31Z/2003-10-09T10:43:29Z
Version 17.56_20190403_1200
Mission Description The European Space Agency's (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESA's second cornerstone of the Horizon 2000 Science Programme. It carries 3 high throughput X-ray telescopes with an unprecedented effective area, and an optical monitor, the first flown on a X-ray observatory. The large collecting area and ability to make long uninterrupted exposures provide highly sensitive observations.
Since Earth's atmosphere blocks out all X-rays, only a telescope in space can detect and study celestial X-ray sources. The XMM-Newton mission is helping scientists to solve a number of cosmic mysteries, ranging from the enigmatic black holes to the origins of the Universe itself. Observing time on XMM-Newton is being made available to the scientific community, applying for observational periods on a competitive basis.
Creator Contact https://www.cosmos.esa.int/web/xmm-newton/xmm-newton-helpdesk
Date Published 2004-10-29T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-10-29T00:00:00Z, 014233, 17.56_20190403_1200. https://doi.org/10.5270/esa-nbrllg7