A dataset provided by the European Space Agency

Proposal ID 055631
Title The two brightest unidentified Galactic sources of the new H.E.S.S. survey
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https://nxsa.esac.esa.int/nxsa-sl/servlet/data-action-aio?obsno=0556310201

DOI https://doi.org/10.5270/esa-mk3mtv6
Principal Investigator, PI Dr Omar Tibolla
Abstract In a survey of the Galactic plane performed in 2007 with the High EnergyStereoscopic System (H.E.S.S.) a lot of new sources have been discovered andmost of them are still unidentified. We propose to use XMM-Newton to performfollow-up on the two brightest newly discovered sources, namely HESS J1507-622and HESS J1843-033, to identify their possible X-ray counterparts. Both sourceshave no clear positional counterparts: HESS J1507-622 does not show anycounterpart at all, whereas an offset PWN is one of the possible explanationsfor HESS J1843-033. The aim is to obtain the morphological and spectralinformation of the possible counterpart in helping to understand the emissionmechanism of these 2 sources: the predicted X-ray flux is sufficient for detailed studies of these sources.
Publications
Instrument EMOS1, EMOS2, EPN, OM, RGS1, RGS2
Temporal Coverage 2009-01-27T20:52:24Z/2009-01-28T04:35:27Z
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 2010-03-07T00:00:00Z
Keywords "galactic plane performed", "XMM", "emission mechanism", "predicted xray flux", "offset pwn", "energy stereoscopic system", "HESS", "hess j1843 033", "xray counterparts", "XMM-Newton", "positional counterparts", "spectral information", "hess j1507 622", "xmm newton"
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Dr Omar Tibolla, 2010, 'The two brightest unidentified Galactic sources of the new H.E.S.S. survey', 17.56_20190403_1200, European Space Agency, https://doi.org/10.5270/esa-mk3mtv6