The apparent and true peak flattenings of flat galaxies

Details The apparent and true peak flattenings of flat galaxies The apparent and true peak flattenings of flat galaxies

Jan 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994astl...20....8k&link_type=abstract

Astronomy Letters, Volume 20, Issue 1, January 1994, pp.8-11; Pis'ma v Astronomicheskii Zhurnal, Vol. 20, p. 13

Astronomy and Astrophysics

Astronomy

10

Scientific paper

Astronomical Observatory, Kiev State University, ul Glushkova 6, Kiev, 252127 Ukraine Special Astrophysical Observatory, Russian Academy of Sciences Nizhnii Arkhyz Russia Abstract - A sample of some 4455 flat spiral edge-on galaxies was used to derive exponentially decreasing distribution functions of apparent (v) and true (y) axial ratios. The peak values of v and y for the full sample and subsamples, defined by the Hubble type, were estimated. A peak of y = 25.8 can be used in theoretical models of the formation and stability of flat spiral systems.

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