| Name | 091039 |
| Title | Gamma-ray flares from supermassive black holes at high redshift |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0910390101 |
| DOI | https://doi.org/10.57780/esa-awweqaw |
| Author | European Space Agency |
| Description | We propose a 80 ks ToO observation of a high-redshift (z>=3) blazar during a gamma-ray flare detected by Fermi/LAT. So far, only 12 high-redshift blazars have been detected in I?-rays. These objects are the most luminous and massive objects in the Universe, which allow to study the formation of active galactic nuclei in the early Universe. Because the high-energy hump of their SED peaks in the MeV range, X-ray and gamma-ray data is needed to constrain the hump s shape. We propose to get high-sensitivity, simultaneous X-ray data during enhanced I?-ray activity of a blazar at high redshift. The data will be complemented by triggered radio observations. The resulting multiwavelength data set will yield important knowledge on the behaviour of flaring MeV blazars for future MeV telescopes. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2022-02-08T01:26:59Z/2022-02-09T02:54:21Z |
| Version | 19.17_20220121_1250 |
| 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 | 2023-03-04T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2023, Gamma-Ray Flares From Supermassive Black Holes At High Redshift, 19.17_20220121_1250, European Space Agency, https://doi.org/10.57780/esa-awweqaw |