Abstract
view Abstract Citations (11) References (12) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Cold HI clouds near the supernova remnant W 44. Sato, F. Abstract The cold H I clouds near the supernova remnant W44 are investigated by the use of the Maryland-Green Bank Survey (Westerhout 1973). Several clouds with a mean diameter of about 20 pc are distributed in the region. They do not seem to make a shell around W44, contrary to the suggestion by Knapp and Kerr (1974) based on the low-resolution data at coarse grids. Some of them form a chain, about 100 pc in length, extending approximately along the galactic equator. It resembles the cold H I cloud near W3 and W4. The major constituent of the clouds is probably the hydrogen molecule, and the total mass of the entire complex amounts to 25,000 81,000 solar masses. The estimated Jeans mass indicates that they will contract to dense molecular clouds. Therefore, it may safely be concluded that the cold H1 cloud complex near W44 is a giant molecular cloud at an early evolutionary stage. Publication: The Astronomical Journal Pub Date: February 1986 DOI: 10.1086/114017 Bibcode: 1986AJ.....91..378S Keywords: Absorption Spectra; Hydrogen Clouds; Molecular Clouds; Supernova Remnants; Contours; Data Reduction; Line Spectra; Astronomy full text sources ADS | data products SIMBAD (1)
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