Kinematical asymmetries in Hα velocity fields of Virgo cluster galaxies

Details Kinematical asymmetries in Hα velocity fields of Virgo cluster galaxies Kinematical asymmetries in Hα velocity fields of Virgo cluster galaxies

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005sf2a.conf..617c&link_type=abstract

SF2A-2005: Semaine de l'Astrophysique Francaise, meeting held in Strasbourg, France, June 27 - July 1, 2005, Edited by F. Casoli

Astronomy and Astrophysics

Astrophysics

Scientific paper

An harmonic analysis of the Hα velocity field of the galaxy NGC 4298 in the Virgo cluster of galaxies is presented. It reveals the presence of significant m=2 terms, which may be attributed to a kinematical lopsidedness. The harmonic analysis is useful in detecting asymmetries of a Hα velocity field, which in turn helps to understand the effects that a dense environment like the Virgo cluster can have on a galactic disc.

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