A dataset provided by the European Space Agency

Name 014651
Title The Origin of the Intragroup Medium
URL

http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0146510301
http://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0146510401

DOI 10.5270/esa-b6zrluz
Author Dr John Mulchaey
Description We propose XMM observations of four of the six brightest groups on the sky. These objects are bright enough that high quality RGS spectra of their centers will be obtained. We will use these spectra to determine the correct spectral model for the gas. In particular, the RGS data will be very sensitive to the presence of multi-temperature components. The EPIC data will contain a large number of counts which will allow us to determine how the temperature, density and metallicity vary with radius. From this data we will construct detailed entropy profiles to test preheating and cooling models. We will also measure the abundance of O, Fe, Si, S, Mg and Ne. The relative abundance of these elements will be used to determined the stars responsible for the enrichment.
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XMM-Newton and Gemini Observations of Eight RASSCALS Galaxy Groups . Mahdavi, Andisheh, Finoguenov, Alexis...
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2002-12-20T23:01:26Z/2003-02-04T13:49:42Z
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 2004-03-11T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2004-03-11T00:00:00Z, 014651, 17.56_20190403_1200. https://doi.org/10.5270/esa-b6zrluz