Angular Momentum in the Sculptor Group

Details Angular Momentum in the Sculptor Group Angular Momentum in the Sculptor Group

Jan 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aj....117..202w&link_type=abstract

The Astronomical Journal, Volume 117, Issue 1, pp. 202-205.

Astronomy and Astrophysics

Astronomy

11

Galaxies: Clusters: Individual: Name: Sculptor Group, Galaxies: Formation, Galaxies: Individual: Ngc Number: Ngc 45, Galaxies: Individual: Ngc Number: Ngc 55, Galaxies: Individual: Ngc Number: Ngc 247, Galaxies: Individual: Ngc Number: Ngc 253, Galaxies: Individual: Ngc Number: Ngc 300, Galaxies: Individual: Ngc Number: Ngc 7793, Galaxies: Interactions, Galaxies: Kinematics And Dynamics

Scientific paper

The spins of the major galaxies in the nearby Sculptor Group agree with those calculated to be produced by tidal interactions among themselves. The agreement is closer than would be expected from published uncertainties in distances, indicating either that these uncertainties are smaller than calculated or that they are correlated. Three pairs of galaxies (NGC 55 and 300, 247 and 253, and 45 and 7793) are in approximate two-body orbits; the direction of orbital angular momentum for the first two pairs is derived.

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