RGU three colour photometry of a field in Centaurus

Details RGU three colour photometry of a field in Centaurus RGU three colour photometry of a field in Centaurus

Mar 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26as...47..441s&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 47, Mar. 1982, p. 441-445. Research supported by the Swiss National Science F

Astronomy and Astrophysics

Astrophysics

2

Astronomical Photometry, Centaurus Constellation, Galactic Structure, Giant Stars, Hertzsprung-Russell Diagram, Main Sequence Stars, Interstellar Extinction, Late Stars, Stellar Luminosity, Stellar Parallax

Scientific paper

RGU system measurements are presented for 2425 stars in a field in Centaurus, to the limiting magnitudes of 16.6 m, 15.2 m, and 19.0 m for G, R and U, respectively. Density functions of main sequence stars for different intervals of absolute magnitudes, and of late type giants, are derived on the basis of statistical photometric parallaxes. In addition, the relation color excess E(G-R) versus distance is established up to 2 kpc, along with the luminosity function for different intervals of distance.

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