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The Radial Velocity and Metal Abundance of the Sextans Dwarf Spheroidal Galaxy

Published online by Cambridge University Press:  25 April 2016

G. S. Da Costa ,
D. Hatzidimitriou ,
R. D. Cannon ,
M. J. Irwin  and
R. McMahon
G. S. Da Costa
Affiliation:
Anglo-Australian Observatory, PO Box 296 Epping, NSW 2121
D. Hatzidimitriou
Affiliation:
Anglo-Australian Observatory, PO Box 296 Epping, NSW 2121
R. D. Cannon
Affiliation:
Anglo-Australian Observatory, PO Box 296 Epping, NSW 2121
M. J. Irwin
Affiliation:
Institute of Astronomy, Cambridge University
R. McMahon
Affiliation:
Institute of Astronomy, Cambridge University
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Extended abstract

The multi-object spectroscopic facility FOCAP at the Anglo-Australian Telescope has been used to obtain spectra centred at the Ca II IR triplet of 14 stars in the field of the Sextans dwarf spheroidal (dSph) galaxy. This satellite of our own Galaxy was recently discovered by Irwin et al. (1990) from APM measures of UK Schmidt Telescope photographic plates.

Type
Extragalactic
Information
Publications of the Astronomical Society of Australia , Volume 9 , Issue 2 , 1991 , pp. 248
Copyright
Copyright © Astronomical Society of Australia 1991

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References

Armandroff, T. E. and Da Costa, G. S., 1986, Astron J., 92, 777.Google Scholar
Da Costa, G. S. and Armandroff, T. E., 1990, NOAO preprint No. 318.Google Scholar
Irwin, M. J., Bunclark, P. S., Bridgeland, M. T. and McMahon, R. G., 1990, Mon. Not. R. Astr. Soc., 244, 16P.Google Scholar