A dataset provided by the European Space Agency

Name 020384
Title THE NATURE OF THE ENIGMATIC 10 MINUTE ACCRETING BINARY SYSTEM ES CET
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0203840101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0203840201

DOI 10.5270/esa-gb6197m
Author Dr DANNY STEEGHS
Description We propose to obtain X-ray-UV observations of the 10.3 minute accreting binary system ES Cet. It is the brightest out of three recently identified ultra-compact accreting binaries with orbital periods of 5-10 minutes. These systems provide crucial insights into the physics of compact white dwarf binaries that are the dominant gravitational wave sources in our galaxy, and the progenitor population of Type Ia supernovae. The XMM-Newton lightcurves and spectra will be correlated with the strong optical variability, and compared to the two other ultra-compacts and longer period AM CVn binaries. These X-ray measurements will be crucial for establishing the nature of this enigmatic system, in particular the various accretion geometries that have been proposed.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2004-01-19T21:22:38Z/2004-07-30T19:57:07Z
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 2005-08-31T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2005-08-31T00:00:00Z, 020384, 17.56_20190403_1200. https://doi.org/10.5270/esa-gb6197m