Small-scale structures in the H I distribution of M33

Details Small-scale structures in the H I distribution of M33 Small-scale structures in the H I distribution of M33

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...229..362d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 229, no. 2, March 1990, p. 362-377.

Astronomy and Astrophysics

Astronomy

128

Galactic Structure, H I Regions, Interstellar Matter, Sky Surveys (Astronomy), Stellar Winds, Astronomical Catalogs, High Resolution, Statistical Analysis, Supernova Remnants

Scientific paper

A catalog of H I holes in M33 has been compiled, and the characteristics of the H I hole ensemble are reported. The observed holes are correlated with other objects known to influence the physical properties of the surrounding ISM. Small holes correlate well with OB associations and to a lesser extent with H II regions. The giant H II regions coincide with small, high-contrast H I holes of similar morphology. Large holes show an anticorrelation in the sense that the H II regions and OB associations lie on the edges. The diameters of the holes range from the survey resolution limit of 40 pc to 1 kpc. The swept-up mass ranges from 1000 to 10 million solar.

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