A dataset provided by the European Space Agency

Name 014427
Title Origin of X-ray emission from the pre-main sequence Herbig Ae-Be stars
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0144270601
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0144270701
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0144271401

DOI 10.5270/esa-xs1ngqd
Author Dr Claude Catala
Description We propose to survey the X-ray emission of the pre-main sequence Herbig Ae-Be stars. Speculations concerning the origin of this X-ray emission have been offered. They include processes involving massive accretion disks, magnetic stellar coronae, strong stellar winds, or attribute the X-ray emission to a low-mass companion. We intend to observe unbiased samples of Herbig Ae-Be stars with the XMM EPIC pn camera: one sample of such stars showing signs of massive accretion disks, one sample with signatures of stellar winds, and one sample of binary systems including one Herbig star and one T Tauri companion. Differences in detection rates, X-ray luminosity distributions, X-ray energy distributions between these three samples will enable us to test the various interpretations.
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The XMM-Newton serendipitous ultraviolet source survey catalogue . Page, M. J., Brindle, C., et all. . MNRAS . 426-903 . 2012 . 2012MNRAS.426..903P ,
The diversity of quasars unified by accretion and o...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-08-31T15:08:12Z/2003-11-23T12:39:57Z
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 2005-01-01T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2005-01-01T00:00:00Z, 014427, 17.56_20190403_1200. https://doi.org/10.5270/esa-xs1ngqd