Puffing up flat galaxies by rapid stripping and the formation of S0 galaxies

Details Puffing up flat galaxies by rapid stripping and the formation of S0 galaxies Puffing up flat galaxies by rapid stripping and the formation of S0 galaxies

May 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979apj...230l..33b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 230, May 15, 1979, p. L33-L35.

Astronomy and Astrophysics

Astrophysics

26

Astronomical Models, Galactic Structure, Mass Transfer, Spiral Galaxies, Astrophysics, Elliptical Galaxies, Spheroids

Scientific paper

Sandage and Visvanathan have recently argued that the predominance of large bulges among S0 galaxies as opposed to normal spiral galaxies precludes their formation as stripped spirals. Modeling flat galaxies as Maclaurin spheroids, we show here that rapid mass loss (followed by violent relaxation) can lead to the puffing up of an originally flat galaxy. Hence S0 galaxies may have been formed by stripping spirals.

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