![]() ![]() GMCs are identified from the Herschel maps using a hierarchical source extraction algorithm. Herschel is an ESA space observatory with science instruments providedīy European-led Principal Investigator consortia and with importantĪbstract = "In this paper we present a catalog of giant molecular clouds (GMCs) in the Andromeda (M31) galaxy extracted from the Herschel Exploitation of Local Galaxy Andromeda (HELGA) data set. On the projection of an unperturbed spiral arm system. Investigate the effect different models for M31's inclination will have Last, we comment on the effects of deprojection on our results and Pitch angle of 8.☉ to the GMCs not associated with either ring. The spatial structure of M31 by splitting the observed structure into a Substructured below the Herschel resolution limit, suggesting that weĪre observing associations of GMCs. This catalog and interferometry studies also shows that the GMCs are The GMCs appear to follow the same correlation of cloud mass to LĬO observed in the Milky Way. Proportional to M -2.34, in agreement with earlier studies. Identified their cumulative mass distribution is found to be Radial dust/gas properties found by Smith et al. Present the results of this new catalog and characterize the spatialĭistribution and spectral energy properties of its clouds based on the Herschel maps using a hierarchical source extraction algorithm. The Andromeda (M31) galaxy extracted from the Herschel Exploitation of In this paper we present a catalog of giant molecular clouds (GMCs) in ![]()
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