New determination of the disc scale length and the radial cutoff in the anticenter with DENIS data.

Details New determination of the disc scale length and the radial cutoff in the anticenter with DENIS data. New determination of the disc scale length and the radial cutoff in the anticenter with DENIS data.

Sep 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26a...313l..21r&link_type=abstract

Astronomy and Astrophysics, v.313, p.L21-L24

Statistics

80

Galaxy: Structure, Galaxy: Stellar Content, Stars: Statistics, Infrared: Stars, Survey: Infrared

Scientific paper

This letter presents part of the very first scientific results of the DENIS project (Deep Near-Infrared Survey of the Southern Sky). Star counts and colour distributions of stars in the near-infrared were obtained on a large scale at two different longitudes (l=217deg and l=239deg). New evaluations of basic parameters of the galactic disc structure are derived from these new data that lead to strong constraints on the disc scale length h_R_ and moderate ones on the radial cutoff R_max_ of the stellar disc. We obtain a rather short scale length of 2.3+/-0.1kpc and a galactic radius of 15+/-2kpc.

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