A dataset provided by the European Space Agency

Proposal ID 020355
Title FLUX VARIABILITY IN (ANOMALOUS) X-RAY PULSARS
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DOI https://doi.org/10.5270/esa-sncllbc
Principal Investigator, PI Prof VICTORIA KASPI
Abstract We propose to observe the anomalous X-ray pulsars (AXPs) 1E 1048.1-5937, 1E2259+586 and 1RXS J1708-4009 five times each using EPIC over the course of AO3.Our goal is to measure the pulsed fluxes and spectral parameters at multipleepochs with a single imaging instrument, in order to settle, once and for all,the controversial issue of whether AXPS are flux-variable sources. Determiningif there is flux variability in AXPs, and whether it is correlated with spectralparameters, pulsed fraction, spin-down rate, and/or bursting activity is centralto physically understanding this exotic class of neutron stars, and toconstraining the magnetar model.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2004-02-11T16:27:34Z/2005-07-29T00:42:42Z
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 2006-08-20T00:00:00Z
Keywords "neutron stars", "multiple epochs", "EPIC", "1rxs j1708 4009", "exotic class", "spectral parameters", "pulsed fluxes", "single imaging instrument", "flux variability", "1e 2259", "anomalous xray pulsars", "pulsed fraction", "flux variable sources", "magnetar model", "bursting activity"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Prof VICTORIA KASPI, 2006, 'FLUX VARIABILITY IN openParANOMALOUSclosePar X-RAY PULSARS', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-sncllbc