On the structure of the nucleus of M31

Details On the structure of the nucleus of M31 On the structure of the nucleus of M31

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287..108n&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287, Dec. 1, 1984, p. 108-111.

Astronomy and Astrophysics

Astrophysics

3

Andromeda Galaxy, Elliptical Galaxies, Galactic Nuclei, Galactic Structure, Angular Velocity, Disk Galaxies, Galactic Rotation, Virial Theorem

Scientific paper

This paper discusses the nature of the nucleus of M31 and more particularly the possible evidence for a strong triaxiality-generated anisotropy on the basis of the insights that the projected geometry and rotation velocity can bring. First, it considers the nucleus of M31 as an elliptical stellar system for which the tensor virial theorem can be used. It then discusses on the basis of the projected geometry of the nucleus (and with the assumption of one axis perpendicular to the disk), the barlike structure of its three-dimensional shape, also suggesting a high degree of anisotropy.

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