A dataset provided by the European Space Agency

Name 051098
Title X-raying the Giant HII Region G305
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0510980101
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0510980201

DOI 10.5270/esa-ltxmxg1
Author Prof Marc R. Gagne
Description G305, one of the nearest giant HII regions, contains a WR binary, eight distinct clusters each containing hundreds of stars and eight maser sources and HII regions each containing 4-8 very young O stars. The bubble contains ~30 O stars suggesting a population ~15,000 cluster members. A 125-ks ACIS exposure will detect all of the high-mass stars and a high fraction of the low-mass YSOs in central clusters and HII regions. A 60-ks EPIC exposure will do the same in the sparser outer clusters and HII regions. The EPIC observation may detect diffuse emission in the inner cavity or within the optical HII region RCW 74. ACIS and EPIC spectra of the high-mass stars, EPIC and RGS spectra of WR 48a, EPIC spectra of diffuse..
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XMM-Newton Observations Reveal Very High X-ray Luminosity from the Carbon-rich Wolf-Rayet Star WR 48a . Zhekov, Svetozar A., Gagne, Marc, . ApJ . 727-17 . 2011 . 2011ApJ...727L..17Z ,
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Anisotropy of the galaxy cluster X-ray luminosity-temperature rel...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2008-01-09T17:59:03Z/2008-01-10T15:09:23Z
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 2009-02-05T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2009-02-05T00:00:00Z, 051098, 17.56_20190403_1200. https://doi.org/10.5270/esa-ltxmxg1