| Name | 069167 |
| Title | Virgo Clusters at Redshift 0.35 |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0691670101 |
| DOI | https://doi.org/10.5270/esa-9on3euy |
| Author | Prof Megan Donahue |
| Description | The cluster X-ray L-T relationship is sensitive to feedback processes. Because L and T are used as surrogates for the cluster virial mass M, understanding the L-T and the L-T-M relations and their scatter is critical for cluster constraints on cosmological models, as well as models of galaxy and cluster evolution. We originally proposed to measure Lx and Tx for a representative sample of 13 low-Lx, low-T (2-2.6 keV) clusters at z=0.32-0.38, selected from the ROSAT 160SD survey. We will show the L-T-M relation for 6 of these clusters with weak-lensing masses obtained with HST. These clusters span the mass range between rich clusters and groups, where feedback processes play an increasingly dominant role. This is a resubmission of an accepted proposal, to repeat 2 of 8 observations. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2013-04-03T06:36:34Z/2013-04-28T19:17:27Z |
| 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 | 2014-05-11T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2014-05-11T00:00:00Z, 069167, 17.56_20190403_1200. https://doi.org/10.5270/esa-9on3euy |