| Proposal ID | 084118 |
| Title | The nature of hard X-ray selected CV candidates |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0841180101 |
| DOI | https://doi.org/10.5270/esa-4z5e11z |
| Principal Investigator, PI | Dr Domitilla de Martino |
| Abstract | The number of hard X-ray emitting Cataclysmic Variables (CVs) has been boostedin the recent years, unveiling the dominance of asynchronously rotating,magnetic accreting white dwarf primaries - the Intermediate Polars. Thesesystems are disputed to be important contributors to the galactic population oflow-luminosity X-ray sources. We have been carrying out a systematicidentification programme of new optically discovered hard X-ray CV candidateswith the unique potential of XMM-Newton to securely assess their purportedmagnetic nature by detecting X-ray spin pulses and characterizing their spectralproperties. We aim at obtaining a CV flux-limited sample with Gaia distancesfinally making statistical studies possible and uncover the true population of low luminosity sources. |
| Publications |
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| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2019-06-11T21:53:24Z/2019-10-10T22:18:01Z |
| 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 | 2020-11-20T23:00:00Z |
| Last Update | 2025-01-27 |
| Keywords | "xray spin pulses", "systematic identification programme", "hard xray", "purported magnetic", "xmm newton", "gaia distances", "cv candidates", "asynchronously rotating", "XMM-Newton", "galactic population", "spectral properties", "low luminosity sources", "intermediate polars", "XMM" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Domitilla de Martino, 2020, 'The nature of hard X-ray selected CV candidates', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-4z5e11z |