A dataset provided by the European Space Agency

Name 014140
Title X-ray Emission at the Substellar Boundary: Young Brown Dwarfs in Taurus-Auriga
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0141400301
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0141400501

DOI 10.5270/esa-a61vudk
Author Mrs Beate Stelzer
Description We propose for XMM-Newton observations of young Brown Dwarfs (BD) and Brown Dwarf Candidates (BDC) in the Taurus star forming region. In order to probe magnetic activity in the substellar regime we plan to observe four objects of different spectral type, i.e. mass, from M6 to M8. This will shed light on the relation between bolometric and X-ray luminosity. Together with photometric observations we will be able to test the rotation-activity connection, as well as the influence of accretion onto magnetic activity. These relations are crucial to determine the nature of the dynamo in fully convective objects. Young BDs are particularly suited for such studies because they are luminous. Comparison to old field BDs will allow to constrain the evolution of activity for very low-mass objects.
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Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2003-02-17T16:16:37Z/2003-02-18T00:38:35Z
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 2004-03-21T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-03-21T00:00:00Z, 014140, 17.56_20190403_1200. https://doi.org/10.5270/esa-a61vudk