A dataset provided by the European Space Agency

Name 001285
Title Moderate Redshift X-ray Selected Groups of Galaxies


DOI https://doi.org/10.5270/esa-3qq3vo1
Author Dr John Mulchaey
Description Recent ROSAT and ASCA observations of nearby groups of galaxies have provided considerable new insight into these cosmologically important systems. We propose to extend these X-ray studies to moderate (z=0.2-0.5) redshifts with an XMM study of a sample of ROSAT-selected systems. Our existing ground-based spectroscopy program combined with upcoming Cycle 8 HST images will provide a good census of the galaxy populations in these groups. XMM imaging will allow us to map out the spatial distribution of the hot gas, while EPIC spectroscopy will provide a measurement of the intragroup gas temperature and metallicity. Therefore, we will make the first mass determinations for these systems and study the evolution of the intragroup medium out to z=0.5
Publication No observations found associated with the current proposal
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2001-04-13T12:49:05Z/2002-06-06T13:55:57Z
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 2003-06-27T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2003-06-27T00:00:00Z, 001285, 17.56_20190403_1200. https://doi.org/10.5270/esa-3qq3vo1