Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apj...272..456h&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 272, Sept. 15, 1983, p. 456-472. Research supported by the Natural Sciences
Astronomy and Astrophysics
Astrophysics
50
Elliptical Galaxies, Galactic Clusters, Globular Clusters, Astronomical Photography, Astronomical Photometry, Magnitude, Radial Distribution
Scientific paper
The charactertistics of the globular cluster system Hydra I are investigated through a deep photometric survey around its giant central galaxy, NGC 3311. Measurements of the images obtained indicate that NGC 3311 is surrounded by an extensive and extremely populous cluster system whose approximate projected space density dependence is similar to the light intensity distribution of the galaxy itself. It is noted that NGC 3311 represents the first additional example of a 'supergiant', or anomalously populous, globular cluster system, similar to the system in the Virgo giant elliptical galaxy M87. For any reasonable distance estimate, the cluster specific frequency is greater than about 20, or more than three times the normal value for globular cluster systems in elliptical galaxies generally. The possible connection between the M 87 and NGC 3311 cases is discussed, and it is suggested that their cluster populations were acquired at birth.
Harris William E.
Myra Eric Stephen
Smith Malcolm G.
No associations
LandOfFree
Globular cluster systems in the Hydra I elliptical galaxies. II does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Globular cluster systems in the Hydra I elliptical galaxies. II, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Globular cluster systems in the Hydra I elliptical galaxies. II will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1588559