A dataset provided by the European Space Agency

Proposal ID 014343
Title Two probable very-short period intermediate polars
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0143430101

DOI https://doi.org/10.5270/esa-yg9b7cj
Principal Investigator, PI Dr Jochen Greiner
Abstract We propose to test the hypothesis that the cataclysmic variablesHS Cam (RX J0719.2+6557) and HT Cam (RX J0757.0+6306) are two short-period intermediate polars. While an alternative interpretation ispossible for each source based on the optical data, XMM-Newton observations caneasily provide the distinctive features: (i) the shape of the orbital variationof the X-ray intensity, and (ii) coherent X-ray pulsations caused by the spin ofthe white dwarf. We therefore propose short 15 and 13 ksec observations ofthese sources which is sufficient to identify these features.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-10-13T09:48:18Z/2003-10-13T14:23:35Z
Version 17.56_20190403_1200
Mission Description The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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 2004-11-01T00:00:00Z
Keywords "optical data", "XMM", "xray intensity", "J0719.2", "white dwarf", "orbital variation", "XMM-Newton", "xmm newton"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Jochen Greiner, 2004, 'Two probable very-short period intermediate polars', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-yg9b7cj