Molecular gas and star formation in M81
V. Casasola, F. Combes, G. Galletta, and D. Bettoni
TL;DR
This study uses IRAM 30m observations to analyze the molecular gas and star formation activity in the central region of the M81 galaxy, revealing weak molecular gas emission and unusual excitation conditions.
Contribution
It provides new observational data on M81's central molecular gas properties and explores the link between CO emission and FUV brightness.
Findings
Weak molecular gas emission detected
Unusual excitation physics observed
Possible link between CO emission and FUV brightness
Abstract
We present IRAM 30m observations of the central 1.6 kpc of the spiral M81 galaxy. The molecular gas appears weak and with an unusual excitation physics. We discuss a possible link between low CO emission and weak FUV surface brightness.
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Taxonomy
TopicsAstrophysics and Star Formation Studies · Galaxies: Formation, Evolution, Phenomena · Stellar, planetary, and galactic studies