Bibcode
Castro-Rodríguez, N.; López-Corredoira, M.; Sánchez-Saavedra, M. L.; Battaner, E.
Bibliographical reference
Astronomy and Astrophysics, v.391, p.519-530 (2002)
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8
2002
Journal
Citations
19
Refereed citations
18
Description
From a comparison of the different parameters of warped galaxies in the
radio, and especially in the visible, we find that: a) No large galaxy
(large mass or radius) has been found to have high amplitude in the
warp, and there is no correlation of size/mass with the degree of
asymmetry of the warp. b) The disc density and the ratio of dark to
luminous mass show an opposing trend: smaller values give more
asymmetric warps in the inner radii (optical warps) but show no
correlation with the amplitude of the warp; however, in the external
radii is there no correlation with asymmetry. c) A third anticorrelation
appears in a comparison of the amplitude and degree of asymmetry in the
warped galaxies. Hence, it seems that very massive dark matter haloes
have nothing to do with the formation of warps but only with the degree
of symmetry in the inner radii, and are unrelated to the warp shape for
the outermost radii. Denser discs show the same dependence.