Preliminary study of the old open cluster NGC 6192

Details Preliminary study of the old open cluster NGC 6192 Preliminary study of the old open cluster NGC 6192

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983basi...11..226k&link_type=abstract

Astronomical Society of India, Bulletin, vol. 11, Sept. 1983, p. 226-239. Research supported by the Natural Sciences and Enginee

Astronomy and Astrophysics

Astronomy

7

Astronomical Photometry, Milky Way Galaxy, Open Clusters, Ubv Spectra, Astronomical Photography, B Stars, Electrophotometry, Interstellar Extinction, Stellar Color, Tables (Data)

Scientific paper

NGC 6192 is an old open cluster with turn-off at about M(v) = 2.2, corresponding to an age of 9 x 10 to the 8th yr. It has a mean color excess of 0.26 + or - 0.08 and a distance of 890 + or - 130 pc. It appears to have an excess of giants compared to the Hyades, and also a main sequence to at least V = 18 or M(v) = 7. The cluster appears superimposed, but not centered, on a concentration of B stars with mean color excess, E(B-V) = 1.14 + or - 0.24 (29 stars) and distance 4.0 + or - 0.5 kpc. Since these conclusions are based on photographic photometry calibrated with only 14 of 22 stars measured photoelectrically in the UBV, these results must be treated with caution, but certainly justify further photoelectric and spectroscopic work on the cluster.

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