Evidence for a relativistic iron line in GRS 1915+105

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dc.creatorMartocchia, A.
dc.creatorMatt, G.
dc.creatorKaras, V.
dc.creatorBelloni, T.
dc.creatorFeroci, M.
dc.date2002-03-12
dc.date.accessioned2026-07-25T11:43:43Z
dc.descriptionWe report on the discovery of a relativistic iron Kαfluorescent emission line in the BeppoSAX spectrum of the microquasar GRS 1915+105, taken on April 19, 1998, when the line was unusually intense. The feature is broad and skewed, clearly indicating emission from the innermost regions of the accretion disc. The inner emitting orbit is larger than the innermost stable orbit, even in Schwarzschild metric: thus, a non-zero BH spin is not required by these data.
dc.description7 pages, accepted for publication on A&A
dc.identifierhttps://arxiv.org/abs/astro-ph/0203185
dc.identifierhttp://arxiv.org/abs/astro-ph/0203185
dc.identifierAstron.Astrophys. 387 (2002) 215-221
dc.identifierdoi:10.1051/0004-6361:20020359
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/5130
dc.subjectAstrophysics
dc.titleEvidence for a relativistic iron line in GRS 1915+105
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