The open cluster TR 14

Details The open cluster TR 14 The open cluster TR 14

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..96..293f&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 96, no. 2, Oct. 1983, p. 293-302. Research supported by the Consejo Nacion

Astronomy and Astrophysics

Astrophysics

8

Electrophotometry, Open Clusters, Stellar Spectrophotometry, Ubv Spectra, Color-Magnitude Diagram, Early Stars, Stellar Color, Stellar Magnitude

Scientific paper

New photoelectric UBVRI data for stars in the young open cluster Tr 14 in the Great Carina Nebula (NGC 3372) are presented. The two-color diagram separates clearly the member from the non-member stars. Thus, the membership of about 39 stars is suggested. Those located in the compact core of the cluster, have smaller reddening dispersion than those around it. No star appears above the Main Sequence at the faint end of the color-magnitude diagram. A distance modulus of V0-Mv = 12.20±0.2 is obtained, which gives an age of about 5×106 yr. From only the photometry it is concluded to be slightly older than the nearby cluster Tr 16.

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