A dataset provided by the European Space Agency

Name 050359
Title Defining Pre-Outburst and Post-Outburst Characteristics of Eruptive Young Stars
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0503590101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0503590301
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0503590401

DOI 10.5270/esa-x9oen4l
Author Dr Guy Stringfellow
Description EXORs are extreme T Tauri stars that experience major UV-optical eruptions (3-5 mag) that last about a year. These recurring outbursts driven by high accretion rates assist in dispersal of the circumstellar disk and the large X-ray-UV flux injected into the local environment modifies the physical and chemical history, influencing planet formation and time scales. Little X-ray data exists on these stars during either quiescent or outburst phases, so basic details such as how much X-ray flux is produced during eruption is unknown. We will characterize the X-ray properties of 6 EXORs in their quiescent phase. If an eruption of any known EXOR occurs during AO6, a high-quality spectrum will be obtained. Contrasting quiescent and outburst properties provides crucial insight into the physics.
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Serendipitous UV source catalogues for 10 years of XMM and 5 ...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-08-13T11:28:50Z/2007-09-11T15:51:42Z
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 2008-10-25T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2008-10-25T00:00:00Z, 050359, 17.56_20190403_1200. https://doi.org/10.5270/esa-x9oen4l