Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.7206s&link_type=abstract
American Astronomical Society, 199th AAS Meeting, #72.06; Bulletin of the American Astronomical Society, Vol. 33, p.1416
Astronomy and Astrophysics
Astronomy
Scientific paper
Polar ring galaxies are peculiar objects with rings of ~ 10 to 25 kpc diameter which are oriented almost perpendicular to the main stellar disk. Recently a violent formation process was suggested: a galaxy merger between two disk galaxies. In order to test this scenario, we mapped the molecular gas distribution in two representative polar ring galaxies (NGC 660 and NGC 2685) using the Owens Valley Radio Observatory (OVRO) millimeter array. NGC 660 is the only late-type galaxy among the known polar ring galaxies. Our recent observations of the molecular gas content suggest the presence of a molecular gas spiral out to 5.5 kpc in the disk. NGC 2685 which is one of the few kinematically confirmed polar ring galaxies shows CO line emission associated with the HII regions in the polar ring but no line emission is detected in the host S0 disk.
Schinnerer Eva
Scoville Nicholas Z.
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