Evolution of the Inner Accretion Flow and the White Dwarf Spin Pulse during the 2023 Outburst in GK Persei

Evolution of the Inner Accretion Flow and the White Dwarf Spin Pulse during the 2023 Outburst in GK Persei

We present our X-ray and optical observations performed by NICER, NuSTAR, and Tomo-e Gozen during the 2023 outburst in the intermediate polar GK Persei. The X-ray spectrum consisted of three components: blackbody (BB) emission of several tens of eVs from the irradiated white dwarf (WD) surface, a so...

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Bibliographic Details
Main Authors: Mariko Kimura, Takayuki Hayashi, Yuuki Wada, Wataru Iwakiri, Shigeyuki Sako, Martina Veresvarska, Simone Scaringi, Noel Castro-Segura, Christian Knigge, Keith C. Gendreau, Zaven Arzoumanian
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal
Subjects:
Cataclysmic variable stars
Dwarf novae
DQ Herculis stars
X-ray sources
Stellar accretion disks
Online Access:https://doi.org/10.3847/1538-4357/adcf27
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