Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982apj...263...94r&link_type=abstract
Astrophysical Journal, Part 1, vol. 263, Dec. 1, 1982, p. 94-100.
Astronomy and Astrophysics
Astronomy
41
Galactic Nuclei, Hydrogen Clouds, Infrared Astronomy, Luminosity, Neutral Gases, Spiral Galaxies, Radial Velocity, Radio Galaxies, Spectrophotometry, Stellar Evolution
Scientific paper
Over the past three years, a survey of spiral galaxies characterized by disks of unusually low surface brightness (LSB) has been conducted. These LSB spiral galaxies have luminosities in the range from -20 to -17 (MB), and have projected central disk surface brightness values approximately three times smaller, on average, than normal spirals in the same luminosity range. Knowledge of the gas content of LSBs is important in connection with the study of processes which influence star formation, because the relative gas and stellar content of a galaxy provides one indication of the degree to which star formation has proceeded. Consequently, as a first step toward understanding of the considered systems, an H I survey of the available LSB sample was conducted. The results of this survey are reported.
Knapp Gillian
Krumm Nathan
Romanishin William
Salpeter Edwin E.
Strom Karen M.
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