Astronomy and Astrophysics – Astrophysics
Scientific paper
Jan 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982afz....18....5k&link_type=abstract
(Astrofizika, vol. 18, Jan.-Mar. 1982, p. 5-16.) Astrophysics, vol. 18, no. 1, July 1982, p. 1-9. Translation.
Astronomy and Astrophysics
Astrophysics
7
Galactic Clusters, Luminosity, Mass To Light Ratios, Virial Theorem, Astronomical Catalogs, Radial Velocity
Scientific paper
The velocity dispersion, diameters, integrated luminosity, virial mass, and the ratio of the virial mass to the luminosity are estimated for 41 triplets of galaxies with measured radial velocities of each component. These quantities are also determined for a sample of simulated triplets selected by applying the same criteria of isolation of a triple system to the apparent distribution of galaxies brighter than 15.7 M using a random sampling method. A comparison of these two samples shows an unexpectedly large number of spurious triplets having diameters, velocity dispersion, and virial masses close to the corresponding parameters determined by Karachentseva et al. (1979). The spurious triple systems of galaxies are eliminated, and it is found that the presumed physical triplets have the following mean physical parameters: diameter approximately 50 kpc, peculiar velocity approximately 70 km/sec of the members, total luminosity approximately 5 x 10 to the 10th solar luminosities, and the ratio of the virial mass to the luminosity approximately 10 solar-f.
Karachentsev Igor D.
Karachentseva Valentina E.
No associations
LandOfFree
Isolated triplets of galaxies: Virial mass - Luminosity ratios 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 Isolated triplets of galaxies: Virial mass - Luminosity ratios, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Isolated triplets of galaxies: Virial mass - Luminosity ratios will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1455169