Modeling the rotation curves of spiral galaxies in a thin-disk model with a cosmological term that depends linearly on the Ricci scalar

Details Modeling the rotation curves of spiral galaxies in a thin-disk model with a cosmological term that depends linearly on the Ricci scalar Modeling the rotation curves of spiral galaxies in a thin-disk model with a cosmological term that depends linearly on the Ricci scalar

Feb 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010arep...54..121n&link_type=abstract

Astronomy Reports, Volume 54, Issue 2, pp.121-125

Astronomy and Astrophysics

Astronomy

Scientific paper

The rotation curves of spiral galaxies are modeled in the case when the cosmological term depends linearly on the Ricci scalar. Themodel galaxy is approximated using a thin disk with an exponential radial distribution of the matter density. This model is used to estimate the free parameter of the theory, and to construct model rotation curves for several selected galaxies. The results obtained are in satisfactory agreement with observations.

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