| Name | 086421 |
| Title | Fast X-ray-IR variability in accreting neutron stars |
| URL | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0864210201 |
| DOI | https://doi.org/10.57780/esa-n82eiuh |
| Author | European Space Agency |
| Description | Fast optical-infrared photometry applied to black hole transients has shown to be one of the most powerful tools to probe the jets in its innermost regions. Extending this approach to accreting neutron stars (NS) we discovered during AO17 the presence in 4U1728-34 of subsecond correlated variability between the X-ray and IR emission, arising most probably from a relativistic jet. Moreover, we also detected an IR burst lagging an X-ray burst, allowing us to measure the orbital period of the system. These new fascinating results open a new window on the study of the accretion processes around NS. We ask to perform 6 (total 63ks) XMM pointings to be matched by 6 (total 14h) HAWK-I@VLT observations of 4U 0614+09 and 4U 1728-34, 4U 1705-44 in order to explore the fast variability in NS. |
| Publication | No observations found associated with the current proposal |
| Instrument | EMOS1, EMOS2, EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2022-03-28T19:21:18Z/2022-03-29T02:17:04Z |
| 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 | 2023-04-21T00:00:00Z |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, 2023, Fast X-Ray-Ir Variability In Accreting Neutron Stars, 19.17_20220121_1250, European Space Agency, https://doi.org/10.57780/esa-n82eiuh |