SIMBAD references

2025ApJ...980L..18C - Astrophys. J., 980, L18 (2025/February-3)

Stellar Streams Reveal the Mass Loss of Globular Clusters.

CHEN Y., LI H. and GNEDIN O.Y.

Abstract (from CDS):

Globular cluster (GC) streams, debris of stars tidally stripped from their progenitor GCs, have densities that correlate positively with the GC mass-loss rate. In this work, we employ a novel particle spray algorithm that can accurately reproduce the morphology of streams of various orbital types, enabling us to uncover the relationship between the GC mass-loss history and stream density profiles. Using recent discoveries of GC streams from Gaia Data Release 3, we present, for the first time, a catalog of directly observed mass-loss rates for 12 Galactic GCs, ranging from 0.5 to 200 M⊙ Myr–1. By fitting power-law relations between the mass-loss rate and key GC properties, we identify positive correlations with GC mass and orbital frequency, consistent with the predictions from N-body simulations.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Stellar streams - Globular star clusters - Stellar dynamics - Galaxy dynamics

Simbad objects: 21

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