A dataset provided by the European Space Agency

Proposal ID 041339
Title From Super-Eddington to zero: following a Z source into quiescence
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0413390101
https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0413390201

DOI https://doi.org/10.5270/esa-zfald6i
Principal Investigator, PI Dr Jeroen Homan
Abstract XTE J1701-462 is likely the most luminous Galactic transient neutron star LMXB(NSXB) in the history of X-ray astronomy. Early observations have alreadychallenged our view on the role of mass accretion rate in NSXBs. Observing XTEJ1701-462 as it returns to quiescence creates a unique opportunity to study theeffects of mass-accretion rate on the spectral/variability properties in asingle NSXB over an unprecedented luminosity range. We propose aChandra/XMM-Newton TOO program with two goals: 1) observe the source during theend of the decay and in quiescence, to complete what might well become a.Rosetta stone. for NSXBs and 2) constrain the structure of neutron stars bystudying the effects of super- Eddington accretion on the cooling of the crust/core in transient NSXBs.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2007-08-26T00:36:33Z/2007-09-28T14:29:42Z
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 2008-11-09T00:00:00Z
Keywords "rosetta stone", "z source", "transient nsxbs", "neutron stars", "XMM", "mass accretion rate", "variability properties", "super eddington accretion", "xray astronomy", "xte j1701 462", "XMM-Newton", "luminosity range", "quiescence creates", "super eddington", "single nsxb", "xmm newton"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Jeroen Homan, 2008, 'From Super-Eddington to zero: following a Z source into quiescence', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-zfald6i