| Proposal ID | 020240 |
| Title | XMM-NEWTON, RXTE, AND RADIO OBSERVATIONS OF CYGNUS X-1 |
| Download Data Associated to the proposal | https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0202400101 |
| DOI | https://doi.org/10.5270/esa-9y1jmdu |
| Principal Investigator, PI | Dr JON MILLER |
| Abstract | Cygnus X-1 is visible for 7 ksec of each revolution in April-May 2004. Werequest 70 ksec to acquire 10 consecutive exposures of Cygnus X-1 during thiswindow. We have an approved RXTE program for the sole purpose of observingsimultaneously with our proposed XMM-Newton program, and we will makesimultaneous radio observations with Ryle. We will constrain: the spin of theblack hole via Fe K-alpha line spectroscopy, the nature of the companion wind,the validity of ADAF models for Cygnus X-1, the role of the jet in producing thehard flux and in the larger reflection geometry, and how parameters depend onthe 5.6-day orbital period of Cygnus X-1. |
| Publications |
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| Instrument | EPN, OM, RGS1, RGS2 |
| Temporal Coverage | 2004-04-07T14:28:04Z/2004-10-08T05:47:04Z |
| Version | 17.56_20190403_1200 |
| Mission Description | The European Space Agencys (ESA) X-ray Multi-Mirror Mission (XMM-Newton) was launched by an Ariane 504 on December 10th 1999. XMM-Newton is ESAs 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 Earths 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 | 2006-10-14T00:00:00Z |
| Keywords | "blackhole via fe", "XMM", "alpha line spectroscopy", "xmm newton program", "approved rxte program", "hard flux", "adaf models", "companion wind", "parameters depend", "XMM-Newton", "cygnus x", "larger reflection geometry", "orbital period", "xmm newton" |
| Publisher And Registrant | European Space Agency |
| Credit Guidelines | European Space Agency, Dr JON MILLER, 2006, 'XMM-NEWTON comma RXTE comma AND RADIO OBSERVATIONS OF CYGNUS X-1', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-9y1jmdu |