Limits on Ionized Gas in M81's Globular Clusters
J. M. Wrobel, K. E. Johnson
TL;DR
This study uses radio observations to set upper limits on ionized gas in M81's globular clusters, providing insights into their evolution by finding minimal gas presence.
Contribution
It presents the first systematic radio-based constraints on ionized gas in GCs within M81, improving understanding of their gas content and evolution.
Findings
No ionized gas detected in any of the 206 GCs
Typical gas-mass upper limit of 550 solar masses per cluster
Results inform models of globular cluster evolution in spiral galaxies
Abstract
We use NSF's Karl G. Jansky Very Large Array to constrain the mass of ionized gas in 206 globular star clusters (GCs) in M81, a nearby spiral galaxy. We detect none of the GCs and impose a typical gas-mass upper limit of 550 solar masses (3-sigma). These findings bear on GC evolution in M81.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astronomy and Astrophysical Research · Astrophysics and Star Formation Studies