Star formation in spiral galaxies. I - H-alpha observations

Details Star formation in spiral galaxies. I - H-alpha observations Star formation in spiral galaxies. I - H-alpha observations

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj....100..373r&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 100, Aug. 1990, p. 373-376.

Astronomy and Astrophysics

Astronomy

49

Color-Magnitude Diagram, H Alpha Line, Infrared Photometry, Spiral Galaxies, Star Formation, Ultraviolet Photometry, Emission Spectra, Far Infrared Radiation, Far Ultraviolet Radiation, Line Shape, Line Spectra

Scientific paper

This paper presents large-aperture photometric measurements of H-alpha + forbidden N II emission line strengths in 110 spiral galaxies. These galaxies represent three different samples of objects: (1) low surface brightness spiral galaxies; (2) galaxies of extreme arm classifications (flocculent versus grand design); and (3) galaxies with measured (B -H) colors which have been used to study the color-absolute magnitude relation for spiral galaxies. Details of the observations are given, and a comparison is made with previous work. Future papers will use this data to study the star-formation rates in the various samples.

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