An H-alpha velocity study of S252

Details An H-alpha velocity study of S252 An H-alpha velocity study of S252

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...273..639f&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 273, Oct. 15, 1983, p. 639-646.

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11

H Alpha Line, Molecular Clouds, Nebulae, Radial Velocity, Astronomical Models, Carbon Monoxide, H Ii Regions

Scientific paper

The H II region S252 (NGC 2175) was studied by means of H-alpha radial velocities and line widths. The velocity structure appears to be dominated by the western ionization front, abutting a dense neutral cloud which is a CO source, and by symmetry abut the ionizing star. This data, together with other studies of CO, H167-alpha, and the H II radio continuum, allow construction of a model of S252. The H II model is basically a double blister formed by a luminous hot star being located between two orthogonal, elongated neutral clouds.

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