Spectra of late type stars from 4800 to 9000A.

Details Spectra of late type stars from 4800 to 9000A. Spectra of late type stars from 4800 to 9000A.

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996a%26as..117...93s&link_type=abstract

Astronomy and Astrophysics Supplement, v.117, p.93-104

Astronomy and Astrophysics

Astrophysics

26

Stars: Fundamental Parameters, Stars: Late Type, Stars: Abundances, Stars: Supergiants, Atlases

Scientific paper

We present optical spectra of 21 stars from 4800 to 8920A, covering essentially the late spectral types, G, K, M and the luminosity classes I and III. Half of the stars are super metal rich (SMR) ones. The spectra were obtained at a resolution of 1.25A using the Aurelie spectrograph, equipped with a linear array CCD-like detector, attached to the OHP 1.52m telescope. Also presented are the spectra of 7 stars, covering the region 5000-9783A at a resolution of 8.5A, observed at the CFHT with the Herzberg spectrograph. The spectral types are F, G, K, M and the luminosity classes III and V. Five stars are SMR. These spectra have been obtained with the aim of extending existing libraries used for population synthesis purposes. The inclusion of SMR stars in a stellar library dedicated to the study of stellar populations in the central part of galaxies is crucial as abundance gradients have been observed in the optical range.

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