XMM-Newton Observations of Flares and a Possible Pulse Dropout in the Supergiant X-Ray Binary 4U 1909+07

We report on a pair of X-ray Multi-Mirror Mission (XMM-Newton) observations of the Supergiant X-ray binary 4U 1909+07, which were performed on 2021 October 3 and 8, respectively. We measure the neutron star rotation period in each observation to be ∼602.62 s. This continues a long spin-up trend that...

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Detalles Bibliográficos

Principais autores:	Joel B. Coley, Ralf Ballhausen, McKinley Brumback, Robin H. D. Corbet, Camille M. Diez, Felix Fürst, Nazma Islam, Gaurava K. Jaisawal, Peter Kretschmar, Christian Malacaria, Katja Pottschmidt, Pragati Pradhan
Formato:	Artigo
Idioma:	Inglês
Publicado:	IOP Publishing 2026-01-01
Series:	The Astrophysical Journal
Assuntos:	Neutron stars Stellar remnants Compact objects High mass x-ray binary stars B supergiant stars
Acceso en liña:	https://doi.org/10.3847/1538-4357/ae4ed4
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