Toward a physical understanding of the Hubble sequence

Details Toward a physical understanding of the Hubble sequence Toward a physical understanding of the Hubble sequence

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...237..686s&link_type=abstract

Astrophysical Journal, Part 1, vol. 237, May 1, 1980, p. 686-691.

Astronomy and Astrophysics

Astrophysics

24

Galactic Structure, Hubble Diagram, Spiral Galaxies, Frequency Distribution, Galactic Evolution, Luminosity, Stellar Magnitude

Scientific paper

The frequency distribution of luminosities for spiral galaxies of Hubble types Sab through Scd has been examined in a variety of samples. In all samples the minimum luminosity found for early Hubble types (Sab + Sb) is nearly 2 mag brighter than that for later types. This result is interpreted in the context of the Roberts, Roberts, and Shu model of galactic shock-driven star formation and appears to be consistent with its predictions.

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