Name | 040225 |
Title | An X-ray - lensing calibration of cluster mass estimates |
URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0402250101 |
DOI | https://doi.org/10.5270/esa-eizdgks |
Author | Dr Ben Maughan |
Description | We have compiled the largest statistically complete sample of galaxy clusters with weak lensing mass estimates. 32 of the 36 clusters have already been observed with XMM-Newton and/or Chandra. With 47ks of XMM-Newton observations, good quality X-ray data can be obtained for the remaining 4, creating a complete X-ray/lensing dataset. For the first time, X-ray and weak lensing mass estimates will be cross-calibrated in a volume limited sample. This will allow: 1) the measurement of systematic effects in cluster mass estimates and their effect on derived cosmological constraints; 2) improved calibration of the X-ray observable - mass scaling relations; and 3) accurate measurements of cluster baryon fractions. |
Publication | No observations found associated with the current proposal |
Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
Temporal Coverage | 2006-06-27T12:35:31Z/2007-04-14T00:10:00Z |
Version | PPS_NOT_AVAILABLE |
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 | 2008-05-01T00:00:00Z |
Publisher And Registrant | European Space Agency |
Credit Guidelines | European Space Agency, Dr Ben Maughan, 2008, 040225, PPS_NOT_AVAILABLE, European Space Agency, https://doi.org/10.5270/esa-eizdgks |