The Distance to the M31 Globular Cluster System
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🌌 astro-ph
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distanceglobularclusterclusterssystembeenbranchescentroid
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The distance to the centroid of the M31 globular cluster system is determined by fitting theoretical isochrones to the observed red-giant branches of fourteen globular clusters in M31. The mean true distance modulus of the M31 globular clusters is found to be 24.47 +/- 0.07 mag. This is consistent with distance modulii for M31 that have been obtained using other distance indicators.
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