Fast Transitions of X-Ray Variability in the Neutron Star Low-mass X-Ray Binary Cygnus X-2

We present a spectral-timing analysis of two NICER observations of the weakly magnetized neutron star low-mass X-ray binary Cygnus X-2. During these observations, we detect a rapid transition from a narrow 50 Hz horizontal-branch oscillation (HBO) to a broad 5 Hz normal-branch oscillation (NBO), acc...

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Bibliografiske detaljer

Principais autores:	Liang Zhang, Mariano Méndez, Hua Feng, Diego Altamirano, Zi-xu Yang, Qing-chang Zhao, Shuang-Nan Zhang, Lian Tao, Yue Huang, Xiang Ma, Shu-mei Jia, Ming-yu Ge, Li-Ming Song, Jin-Lu Qu, Shu Zhang
Format:	Artigo
Sprog:	Inglês
Udgivet:	IOP Publishing 2025-01-01
Serier:	The Astrophysical Journal
Fag:	Low-mass x-ray binary stars Accretion Neutron stars X-ray astronomy
Online adgang:	https://doi.org/10.3847/1538-4357/ade4ca
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