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April 13, 2026Moscow University Physics Bulletin

Search for Hypervelocity Stars in the Gaia Catalog

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Authors

SZS. V. ZhuikoVSV. N. SementsovADA. K. Dambis

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Overview

A search identifies hypervelocity star candidates in the solar neighborhood, suggesting new insights into stellar dynamics.

Key Points

  • The aim is to identify K- and early M-type dwarf stars with velocities exceeding Galactic escape velocity.
  • Analyzed Gaia DR3 data for proper motion and distance estimates.
  • Focused on K- and early M-type dwarf stars in the broad solar neighborhood.
  • Calculated velocities relative to the Galactic center using both trigonometric and photometric distances.
  • Identified 11 bona fide hypervelocity star candidates.
  • All candidates have total velocities greater than or equal to 500 km/s.

Cite This Study

Zhuiko et al. (2025) studied this question.

synapsesocial.com/papers/69dc87ea3afacbeac03ea028https://doi.org/10.3103/s0027134925701103
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