The spectra of diameters, densities, and masses of interstellar H I clouds

Details The spectra of diameters, densities, and masses of interstellar H I clouds The spectra of diameters, densities, and masses of interstellar H I clouds

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pazh...15..788g&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 15, Sept. 1989, p. 788-796. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Absorption Spectra, Astronomical Spectroscopy, Hydrogen Clouds, Interstellar Gas, Astronomical Models, Correlation Coefficients, Error Analysis, Mass Spectra, Radio Telescopes

Scientific paper

Diameter, density, and mass spectra are presented for 104 HI clouds which were measured from the HI absorption lines with the RATAN-600 radio telescope. The spectra were corrected for observational selection effects. The spectral index of the diameters is equal to -1.25 + or - 0.3. The data indicate that, at higher masses, the process of coalescence in cloud collisions predominates. However, the clouds with lower masses evaporate according to the interstellar medium model of McKee and Ostriker (1977).

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