Criticism of Lake's analysis of the rotation curves of dwarf spirals

Details Criticism of Lake's analysis of the rotation curves of dwarf spirals Criticism of Lake's analysis of the rotation curves of dwarf spirals

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...367..490m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 367, Feb. 1, 1991, p. 490-492. Research supported by NWO.

Astronomy and Astrophysics

Astrophysics

25

Dwarf Galaxies, Galactic Rotation, Spiral Galaxies, Galactic Mass, Gravitational Effects, Mass To Light Ratios

Scientific paper

This paper disputes the presence of a disparity found by Lake (1989) between the predictions of MOND and the observed rotation curves of five (out of the total six observed) dwarf spirals. Lake reported that the observed rotation velocities of DDO 154, NGC 3109, VCC 381, IC 1613, and DDO 125 were smaller than the velocities predicted by MOND by factors of about 1.2, 1.3, 1.5, 2, and 1.8. It is shown that, in each case, errors in the adopted distances and/or inclinations can fully account for the observed disparities between the theory and measurements.

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