Astronomy and Astrophysics – Astrophysics
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...119..319g&link_type=abstract
Astronomy and Astrophysics, vol. 119, no. 2, Mar. 1983, p. 319, 320.
Astronomy and Astrophysics
Astrophysics
5
Blue Stars, Late Stars, Red Giant Stars, Star Clusters, Stellar Evolution, Distance, Iue, K Stars, Open Clusters, Stellar Temperature
Scientific paper
IUE observations show that c Pup, the central bright K giant in the open cluster NGC 2451, has a blue companion. A fit of theoretical line blanketed model atmosphere fluxes to the observed energy distribution yields reddening E(B-V) = 0.15 (from λ2200 Å feature), an effective temperature Te = 10,200K, and an angular diameter θ = 0.060. If the companion is a main-sequence star, c Pup and its companion are located at a distance of 310 ± 50 pc which lends additional support to membership of c Pup in NGC 2451. The evolutionary status of c Pup is briefly discussed.
Groote Detlef
Reimers Dieter
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