An Alternative Model for the Orbital Decay of M82 X-2: The Anomalous Magnetic Braking of a Bp Star

Recently, the first pulsating ultraluminous X-ray source M82 X-2 was reported to be experiencing a rapid orbital decay at a rate of P ̇ = − ( 5.69 ± 0.24 ) × 10 − 8 s s − 1 based on 7 yr NuSTAR data. To account for the observed orbital-period derivative, it requires a mass transfer rate of ∼ 200 M ̇...

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Veröffentlicht in:	The Astrophysical journal 2024-09, Vol.973 (1), p.38
1. Verfasser:	Chen, Wen-Cong
Format:	Artikel
Sprache:	eng
Schlagworte:	Accretion disks Angular momentum Binary stars Braking Companion stars Irradiation Magnetic fields Mass transfer Neutron stars Orbit decay Orbital evolution Stars Ultraluminous x-ray sources X ray sources X-ray binary stars
Online-Zugang:	Volltext
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