A dataset provided by the European Space Agency

Name 014409
Title Measuring the spin of the Black Hole in GRS 1915+105 with the iron line


DOI 10.5270/esa-8j30dd0
Author Dr Andrea Martocchia
Description A broad, intense and skewed iron K alpha fluorescent emission line was detected in the April 19, 1998 {it BeppoSAX} observation of the {it microquasar} GRS 1915+105, in a state of less pronounced variability, providing for the first time evidence for relativistic disc line emission in this source. The limited sensitivity and energy resolution of {it BeppoSAX} did not allow, however, to measure the disc parameters with the desired precision. We request a 25 ks XMM-- Newton TOO observation, triggered by the occurrence of a similar ''plateau.. state, to measure the disc parameters and estimate the Black Hole spin.
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Sunyaev-Zel.dovich effect or not? Detecting the main foreground effect of most galax...
Instrument EMOS1, EMOS2, EPN, RGS1, RGS2
Temporal Coverage 2004-04-17T14:18:56Z/2004-04-21T19:50:34Z
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 2005-06-13T00:00:00Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, 2005-06-13T00:00:00Z, 014409, 17.56_20190403_1200. https://doi.org/10.5270/esa-8j30dd0