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Action model of infall into the Virgo cluster

Published online by Cambridge University Press:  06 October 2004

R. Brent Tully  and
Roya Mohayaee
R. Brent Tully
Affiliation:
Institute for Astronomy, University of Hawaii, Honolulu, HI 96822, USA email: tully@ifa.hawaii.edu Observatoire de la Côte d'Azur, 06304 Nice, France email: roya@obs-nice.fr
Roya Mohayaee
Affiliation:
Observatoire de la Côte d'Azur, 06304 Nice, France email: roya@obs-nice.fr
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Abstract

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The observed infall of galaxies into the Virgo cluster puts strong constraints on the mass of the cluster. A non-parametric fully non-linear description of the infall can be made with orbit reconstructions based on Numerical Action Methods. The mass of the cluster is determined to be $1.2 \times 10^{15} M_{\odot}$. The mass-to-light ratio for the cluster is found to be seven times higher than the mean ratio found across the region within $V=3000$ km/s.To search for other articles by the author(s) go to: http://adsabs.harvard.edu/abstract_service.html

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2004 , Issue IAUC195 , March 2004 , pp. 205 - 211
Copyright
© 2004 International Astronomical Union