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Title: Fibre spectroscopy and BV CCD photometry of the southern open cluster NGC 3114
Authors: Sagar, R
Sharples, Ray M
Keywords: Astronomical photometry;Astronomical spectroscopy;Charge coupled devices;Fiber optics;Open clusters;Stellar spectra;Color-magnitude diagram;Emission spectra;Radial Velocity;Southern sky
Issue Date: Apr-1991
Publisher: European Southern Observatory
Citation: Astronomy and Astrophysics Supplement Series , Vol. 88, No. 1, pp. 47 - 62
Abstract: New spectroscopic and photometric observations are presented for a sample of faint stars which extends the color-magnitude diagram of the open cluster NGC 3114 down to V = 16 mag. The distance to the cluster is estimated as 940 + or - 60 pc. The spectroscopic observations indicate the presence of six CaII emitters in a sample of 55 stars. Radial velocity measurements and spectral classification have been carried out for all the 55 stars. Both spectroscopic and photometric observations indicate the presence of a large number of field stars in the direction of the cluster. Isochrones fitted to the color-magnitude diagram as well as the position of the red giant concentration indicate that the age of the cluster is about 1-2 x 10 to the 8th yr.
ISSN: 0365-0138
Appears in Collections:IIAP Publications

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