Proposal ID | 020003 |
Title | USING X-RAYS TO PROBE THE STELLAR POPULATION IN CHA II |
Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0200030101 |
DOI | https://doi.org/10.5270/esa-h2bip26 |
Principal Investigator, PI | Dr BEATE STELZER |
Abstract | We propose for XMM-Newton observations of two highly extincted fields in theChaII star forming region. Our aim is to complete the census of cloud membersusing X-ray emission as a means to discover young stars. A clear assessment ofthe full stellar population is essential to establish the evolutionary state ofa star forming cloud. ChaII seems to represent a comparatively young phase wheremany stars retain their disks. But a large number of low-mass members may stillbe hidden in the dark parts of the cloud. In contrast to earlier X-rayinstrumentation XMM-Newton provides enough sensitivity and an extended spectralrange allowing to penetrate the highly absorbed parts of ChaII, and study thestellar population across regions of high and varying extinction. |
Publications |
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Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2004-01-11T13:32:40Z/2004-01-12T09:17:06Z |
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 | 2005-02-07T00:00:00Z |
Last Update | 2025-01-27 |
Keywords | "cha ii", "stars retain", "varying extinction", "xmm newton", "XMM-Newton", "spectral range", "low mass", "extincted fields", "stellar population", "xray emission", "XMM", "star forming cloud" |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Dr BEATE STELZER, 2005, 'USING X-RAYS TO PROBE THE STELLAR POPULATION IN CHA II', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-h2bip26 |