Inner structure of the lenticular galaxy NGC 3384

Details Inner structure of the lenticular galaxy NGC 3384 Inner structure of the lenticular galaxy NGC 3384

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.209..503d&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 209, Aug. 1, 1984, p. 503-509. Research supported by th

Astronomy and Astrophysics

Astronomy

9

Astronomical Photometry, Galactic Structure, Barred Galaxies, High Resolution, Photographic Plates

Scientific paper

The inner region of the lenticular galaxy NGC 3384 presents a complex structure. The high resolution (FWHM of about 0.7 arcsec) obtained in the present photometric study makes it possible to argue that the faint elongated feature crossing the bulge perpendicularly to the major axis of the galaxy is probably not a bar but a small polar ring of nonuniform surface brightness, 800 pc in radius. The latter interpretation is dynamically more plausible and provides an explanation of the shape of the inner isophotes, in particular their off-centering. This feature might be related to the peculiar 'butterfly' shape of the disc.

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