Intermediate-Band Photometry of the Open Cluster NGC 3114

Authors

Edward G. Schmidt, University of Nebraska at LincolnFollow

Date of this Version

4-1982

Comments

Published in PUBLICATIONS OF THE ASTRONOMICAL SOCIETY OF THE PACIFIC 94:232-238, April 1982, pp. 232-238. Copright 1982 Astronomical Society of the Pacific. Used by permission.

Abstract

Four-color and Hβ photometry has been obtained of 33 stars in the southern galactic cluster NGC 3114. This cluster contains many interesting stars including blue stragglers, red giants, and stars with spectral peculiarities. The distance modulus was found to be V₀ – M_v = 10.26 which corresponds to 1130 pc. The color excess is E(b – y) = 0^m.060. The cluster appears to be slightly older than the Pleiades. There are two extreme blue stragglers and six additional stars which might be considered milder cases of the same phenomenon. The distance moduli of the stars with peculiar spectra and the blue stragglers inferred from the photometry agree with those of the normal cluster stars and we conclude that this strengthens the view that the photometric indices of such stars are not affected significantly by their peculiarities.