Gaia DR2 confirms that candidate Thorne-\.Zytkow object HV 2112 is in the SMC
Paul J. McMillan, Ross P. Church
TL;DR
Using Gaia DR2 data, the study confirms that the candidate Thorne-Żytkow object HV 2112 is located in the Small Magellanic Cloud, supporting its classification as a Thorne-Żytkow object.
Contribution
This paper provides the first Gaia DR2 proper motion measurement confirming HV 2112's location in the SMC, strengthening its candidacy as a Thorne-Żytkow object.
Findings
HV 2112's proper motion is consistent with SMC membership
Supports classification of HV 2112 as a Thorne-Żytkow object
Provides a new method for confirming the nature of such objects
Abstract
The Gaia DR2 proper motion places HV 2112 in the Small Magellanic Cloud (SMC), consistent with it being a Thorne-\.Zytkow object.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research · Geophysics and Gravity Measurements