Direct Observational Evidence of Multi-epoch Massive Star Formation in G24.47+0.49
Anindya Saha,
Anandmayee Tej,
Hong-Li Liu
et al.
Abstract:Using new continuum and molecular line data from the Atacama Large Millimeter/submillimeter Array Three-millimeter Observations of Massive Star-forming Regions (ATOMS) survey and archival Very Large Array, 4.86 GHz data, we present direct observational evidence of hierarchical triggering relating three epochs of massive star formation in a ringlike H ii region, G24.47+0.49. We find from radio flux analysis that it is excited by a massive star(s) of spectral type O8.5V–O8V from the first epoch of star formation… Show more
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