"Deep" rotation curves of edge-on S0 galaxies.

Details "Deep" rotation curves of edge-on S0 galaxies. "Deep" rotation curves of edge-on S0 galaxies.

Dec 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989msngr..58...48c&link_type=abstract

The Messenger, vol. 58, p. 48-50

Physics

4

S0 Galaxies: Rotation Curves

Scientific paper

We present a sample of "deep" rotation and velocity dispersion curves from stellar (absorption) spectra obtained at La Silla in February 1989. These record observations are part of a longterm project conceived to investigate how the dynamical behaviour of galactic disks depends on the bulge-to-disk light ratio. and to unravel the three-dimensional shapes of dark haloes in earlytype disk galaxies (for a review of this matter, see Bender et al., 1989, Capaccioli and Caon, 1989, and Capaccioli and Longo, 1989). The targets: NGC 2310, NGC 3115, and NGC 4179, are edge-on S0 galaxies, chosen among the few such objects with fairly large angular sizes (distances <= 25 Mpc) in order to minimize the resolution problems (see Fig. 1).

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