Dual Directional Expansion of Classical Cepheids in the Small Magellanic Cloud Revealed by Gaia Data Release 3

Dual Directional Expansion of Classical Cepheids in the Small Magellanic Cloud Revealed by Gaia Data Release 3

We present the three-dimensional kinematics of classical Cepheids (CCs) in the Small Magellanic Cloud (SMC) using Gaia DR3 data. By crossmatching the CCs obtained from the fourth phase of the Optical Gravitational Lensing Experiment with Gaia DR3, we obtain distances and proper motions (PMs) for 423...

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Bibliographic Details
Main Authors: Satoya Nakano, Kengo Tachihara
Format: Article
Language:English
Published: IOP Publishing 2025-01-01
Series:The Astrophysical Journal Letters
Subjects:
Cepheid distance
Small Magellanic Cloud
Galaxy interactions
Proper motions
Radial velocity
Gaia
Online Access:https://doi.org/10.3847/2041-8213/adce0b
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https://doi.org/10.3847/2041-8213/adce0b

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