HI imaging of the shell galaxy NGC 1210

Details HI imaging of the shell galaxy NGC 1210 HI imaging of the shell galaxy NGC 1210

Dec 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...191.8212p&link_type=abstract

American Astronomical Society, 191st AAS Meeting, #82.12; Bulletin of the American Astronomical Society, Vol. 29, p.1344

Astronomy and Astrophysics

Astronomy

3

Scientific paper

We present high resolution (7 arcsec), high sensitivity HI images of the shell galaxy NGC 1210. The neutral hydrogen forms a continous loop which appears in projection as an off-centered ring. Some remarkable aspects are the large HI mass, ( 8 x 10(9) Msun), the sharpness of some of its features (< 3 kpc) and its unsettled appearance. Optically NGC 1210 shows a variety of shell morphologies, all-around shells in the center and aligned shells in the outer parts in addition to something that looks like a tidal tail. The present-day peculiarities of NGC 1210 may be the result of a major merger or multiple merger/accretion events. Using the HI kinematics and the gas and shell morphology we try to disentangle the recent past of NGC 1210.

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