| Name | 080038 |
| Title | Witnessing the creation of the first shock in a cluster collision |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0800380101 |
| DOI | https://doi.org/10.5270/esa-u5pn4wi |
| Author | Dr Liyi Gu |
| Description | We propose to observe a unique cluster pair 1E2216-1E2215 in early-stage merger. Based on archival shallow X-ray data, we discovered a hot gas bridge between the two clusters, and a putative shock with Mach number of 1.4 in the middle of the bridge. The bridge region also contains at least three diffuse radio sources with very different properties. This is the first time that diffuse radio emission is observed at the site of an early- stage merger. We request a total EPIC exposure of 130 ks to measure the shock heating, and to search for the predicted vertical shock in this unique system. The combined X-ray and radio data will determine the thermal vs. non-thermal energy partition of the shock. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2017-11-11T10:27:05Z/2017-11-13T01:03:45Z |
| 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 | 2018-11-24T23:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2018-11-24T23:00:00Z, 080038, 17.56_20190403_1200. https://doi.org/10.5270/esa-u5pn4wi |