A dataset provided by the European Space Agency

Name 086117
Title XMM-Newton survey of luminous Herbig AeBe stars
URL

https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861170101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861170401
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861170901
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861171001
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861171101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861171201
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861171301
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DOI https://doi.org/10.5270/esa-[xxxxxxx]
Author Dr Jari Kajava
Description The reason why the Herbig Ae-Be stars emit X-rays is not understood. A popular scenario is that the Herbig Ae-Be stars are not the sources of this emission, but rather the X-rays come from unresolved low-mass companion stars (T-Tauri stars). However, our archival study shows that the most luminous Herbig Ae-Be stars can emit X-rays much above what is seen from T- Tauri stars, suggesting that -- at least for the most luminous L>10^3,L_{odot} Herbig Ae-Be stars -- some other mechanism must be responsible for the X-ray emission. Only 8 Herbig Ae-Be stars in this key luminosity range have been observed in X-rays, and thus we propose a survey for XMM-Newton to measure the X-ray luminosities of a sample of 24 additional luminous Herbig Ae-Be stars.
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2020-10-16T14:43:02Z/2021-04-30T03:01:44Z
Version 19.16_20210326_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 2022-06-02T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2022-06-02T00:00:00Z, 086117, 19.16_20210326_1200. https://doi.org/10.5270/esa-[xxxxxxx]