A dataset provided by the European Space Agency

Proposal ID 030617
Title A NEW CLASS OF HIGHLY ABSORBED PERSISTENT HMXB
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0306170201
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0306170401
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0306170901
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DOI https://doi.org/10.5270/esa-hxfknyc
Principal Investigator, PI Dr Roland Walter
Abstract To date more than 40 new bright hard X-ray Galactic plane sources have beendiscovered with INTEGRAL, and 10 of them have follow-up observations withXMM-Newton or Chandra. In most cases, the X-ray data exhibit slow pulsations,and the absorbing column density appear much larger than expected in the Galaxyor in front of the companion star. Many of those sources are persistent and seemto belong to a new class of HMXB, with a slow pulsar orbiting in a densecircumstellar material or within the companion stellar envelope itself. The goalof this proposal is twofold. We propose (1) to observe several additionalpersistent new INTEGRAL sources and (2) to study more in depth a few alreadystudied sources.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2006-03-01T04:26:07Z/2006-04-04T00:34:14Z
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 2007-05-31T00:00:00Z
Keywords "companion star", "companion stellar envelope", "XMM", "additional persistent", "absorbed persistent hmxb", "XMM-Newton", "slow pulsar orbiting", "absorbing column density", "dense circumstellar material", "xmm newton"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Roland Walter, 2007, 'A NEW CLASS OF HIGHLY ABSORBED PERSISTENT HMXB', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-hxfknyc