Discovery of the INTEGRAL X/Gamma-ray transient IGR J00291+5934: a Comptonised accreting ms pulsar ?

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dc.creatorShaw, S. E.
dc.creatorMowlavi, N.
dc.creatorRodriguez, J.
dc.creatorUbertini, P.
dc.creatorCapitanio, F.
dc.creatorEbisawa, K.
dc.creatorEckert, D.
dc.creatorCourvoisier, T. J. -L.
dc.creatorProduit, N.
dc.creatorWalter, R.
dc.creatorFalanga, M.
dc.date2005-01-24
dc.date.accessioned2026-07-07T02:16:50Z
dc.date.available2026-07-07T02:16:50Z
dc.descriptionWe report the discovery of a high-energy transient with the IBIS/ISGRI detector on board the INTEGRAL observatory. The source, namely IGR J00291+5934, was first detected on 2nd December 2004 in the routine monitoring of the IBIS/ISGRI 20--60 keV images. The observations were conducted during Galactic Plane Scans, which are a key part of the INTEGRAL Core Programme observations. After verifying the basic source behaviour, the discovery was announced on 3rd December. The transient shows a hard Comptonised spectrum, with peak energy release at about 20 keV and a total luminosity of ~ 0.9E36 erg/s in the 5--100 keV range, assuming a distance of 3 kpc. Following the INTEGRAL announcement of the discovery of IGR J00291+5934, a number of observations were made by other instruments. We summarise the results of those observations and, together with the INTEGRAL data, identifiy IGR J00291+5934 as the 6th member of a class of accreting X-ray millisecond pulsars.
dc.descriptionAccepted for publication as an A&A Letter 24/01/2005. 5 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/astro-ph/0501507
dc.identifierhttp://arxiv.org/abs/astro-ph/0501507
dc.identifierAstron.Astrophys. 432 (2005) L13-L16
dc.identifierdoi:10.1051/0004-6361:200500011
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/8942
dc.subjectAstrophysics
dc.titleDiscovery of the INTEGRAL X/Gamma-ray transient IGR J00291+5934: a Comptonised accreting ms pulsar ?
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