| Name | 020485 |
| Title | HOT GAS IN THE WIND-BLOWN BUBBLE S 308 |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0204850401 |
| DOI | https://doi.org/10.5270/esa-podgs20 |
| Author | Dr YOU-HUA CHU |
| Description | Fast stellar winds from massive stars sweep up the surrounding gas to form bubbles. The shocked stellar wind reaches X-ray-emitting temperatures. Only two bubbles have been confirmed to emit diffuse X-rays: NGC 6888 and S308. Both bubbles are blown by Wolf-Rayet stars, contain processed stellar material ejected by their progenitors, and have X-ray luminosity 1-2 orders of magnitude lower than theoretical predictions. Our AO1 XMM-Newton EPIC observations present the first high-resolution image and clean spectrum of the diffuse X-ray emission from the interior of S308. The S-N of the data was compromised by a high background. We request a re-observation of the AO1 pointing and 3 new observations to study the detailed global structure of S308. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2004-03-14T23:18:05Z/2004-03-15T21:21:42Z |
| 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 | 2005-09-10T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2005-09-10T00:00:00Z, 020485, 17.56_20190403_1200. https://doi.org/10.5270/esa-podgs20 |