Bubble in the Whale: Identifying the Optical Counterparts and Extended Nebula for the Ultraluminous X-Ray Sources in NGC 4631

Bubble in the Whale: Identifying the Optical Counterparts and Extended Nebula for the Ultraluminous X-Ray Sources in NGC 4631

We present a deep optical imaging campaign on the starburst galaxy NGC 4631 with CFHT/MegaCam. By supplementing the HST/ACS and Chandra/ACIS archival data, we search for the optical counterpart candidates of the five brightest X-ray sources in this galaxy, four of which are identified as ultralumino...

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Bibliographic Details
Main Authors:	Jing Guo, Jianfeng Wu, Hua Feng, Zheng Cai, Ping Zhou, Changxing Zhou, Shiwu Zhang, Junfeng Wang, Mouyuan Sun, Wei-Min Gu, Shan-Shan Weng, Jifeng Liu
Format:	Article
Language:	English
Published:	IOP Publishing 2023-01-01
Series:	The Astrophysical Journal
Subjects:	Ultraluminous x-ray sources Emission nebulae Accretion X-ray binary stars
Online Access:	https://doi.org/10.3847/1538-4357/acaddd

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