SIMBAD references

1996A&AS..116..447S - Astron. Astrophys., Suppl. Ser., 116, 447-461 (1996/May-1)

The ellipticities of globular clusters in the Andromeda galaxy.

STANEVA A., SPASSOVA N. and GOLEV V.

Abstract (from CDS):

The projected ellipticities and orientations of 173 globular clusters in the Andromeda galaxy have been determined by using isodensity contours and 2D Gaussian fitting techniques. A number of B plates taken with the 2m Ritchey-Chretien-coude reflector of the Bulgarian National Astronomical Observatory were digitized and processed for each cluster. The derived ellipticities and orientations are presented in the form of a catalogue. The projected ellipticities of M 31 GCs lie between 0.03/0.24 with mean value ε=0.086±0.038. It may be concluded that the most globular clusters in the Andromeda galaxy are quite spherical. The derived orientations do not show a preference with respect to the center of M 31. Some correlations of the ellipticity with other clusters parameters are discussed. The ellipticities determined in this work are compared with those in other Local Group galaxies.

Abstract Copyright:

Journal keyword(s): globular clusters: general - galaxies: individual: M 31 - galaxies: star clusters - catalogs

VizieR on-line data: <Available at CDS (J/A+AS/116/447): table1 table2 table3>

Simbad objects: 176

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