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Date and Time of the Query: 2019-04-19 T13:36:24 PDT
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For refcode 1993A&A...276...16C:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1993A&A...276...16C The V-R diagram: a diagnostic tool for the dynamical classification of spiral galaxies A. Campos-Aguilar, M. Prieto, and C. Garcia Instituto de Astrofisica de Andalucia, Granada, 18080, Spain Instituto de Astrofisica de Canarias, La Laguna, E-38200, Tenerife, Spain Observatoire de Marseille, F- 13248 Marseille Cedex 04, France Received June 10, accepted December 10, 1992 Abstract. The relations between the angular momentum (J) and the mass (M) for a sample of spiral galaxies are discussed for galaxies distributed in the rotational velocity (V) - size (R) plane. It is found that, for a given mass, Sc galaxies have larger angular momentum (~20%) than Sa. The absence of segregation in the angular momentum (J) - mass (M) plane is explained in terms of observational errors, which are greater than the expected differences in J between galaxies of equal mass and different type. The distribution of lenticular and irregular galaxies in the V-R plane is also discussed. Key words: galaxies: spirals - galaxies: formation
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