| Name | 086117 |
| Title | XMM-Newton survey of luminous Herbig AeBe stars |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0861170101 |
| DOI | https://doi.org/10.57780/esa-umy70pd |
| Author | Dr Jari Kajava |
| Description | The reason why the Herbig Ae/Be stars emit X-rays is not understood. A popular scenario is that the Herbig Ae/Be stars are not the sources of this emission, but rather the X-rays come from unresolved low-mass companion stars (T-Tauri stars). However, our archival study shows that the most luminous Herbig Ae/Be stars can emit X-rays much above what is seen from T- Tauri stars, suggesting that -- at least for the most luminous L>10^3\,L_{\odot} Herbig Ae/Be stars -- some other mechanism must be responsible for the X-ray emission. Only 8 Herbig Ae/Be stars in this key luminosity range have been observed in X-rays, and thus we propose a survey for XMM-Newton to measure the X-ray luminosities of a sample of 24 additional luminous Herbig Ae/Be stars. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2020-10-16T14:43:02Z/2021-04-30T03:01:44Z |
| Version | 19.16_20210326_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 | 2022-06-02T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr Jari Kajava, 2022, 086117, 19.16_20210326_1200, European Space Agency, https://doi.org/10.57780/esa-umy70pd |