Open Clusters in the log Age vs. M_V plane
M. Bellazzini (INAF-Oabo), S. Perina (UniBo), S. Galleti (INAF-Oabo),, L. Federici (INAF-Oabo), A. Buzzoni (INAF-Oabo), F. Fusi Pecci (INAF-Oabo)
TL;DR
This paper examines the distribution of open clusters in the Milky Way within the log Age versus M_V plane, revealing a well-defined band aligned with theoretical models and an upper mass limit across various ages.
Contribution
It provides an observational analysis of open clusters' distribution in the log Age vs. M_V plane, highlighting a consistent band and mass threshold.
Findings
Open clusters form a distinct band parallel to theoretical sequences.
A sharp upper mass limit of approximately 2×10^4 solar masses is observed.
The band spans a 4 dex range of ages.
Abstract
In the log Age vs. integrated absolute magnitude (M_V) plane, the open clusters of the Milky Way form a well-defined band parallel to theoretical sequences decribing the passive evolution of Simple Stellar Populations and display a pretty sharp upper threshold in mass (M ~ 2X 10^4 M_{sun}) over a 4 dex range of ages.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research