A dataset provided by the European Space Agency

Name 014505
Title Magnetically controlled accretion in the intermediate polar V1223 Sgr
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0145050101

DOI 10.5270/esa-zlytskm
Author Dr Coel Hellier
Description V1223 Sgr is the X-ray brightest of the typical intermediate polars (excluding the anomalous EX Hya); it would likely have been a GT-AO-1 target if it weren.t for an OM brightness constraint that no longer applies. We propose a 40-ksec observation to make a benchmark study of the X-ray spectrum of this type of star, in particular how the spectrum varies with the spin cycle of the magnetic white dwarf. We will perform phase-resolved spectroscopy of a multi-temperature, multi-component spectrum, whose parametrisation will tie down the geometry and physical processes in the accretion regions of a system that is an exemplar of magnetically controlled accretion.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-04-13T12:34:53Z/2003-04-13T23:24:08Z
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 2004-05-03T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-05-03T00:00:00Z, 014505, 17.56_20190403_1200. https://doi.org/10.5270/esa-zlytskm