Astronomy and Astrophysics – Astrophysics
Scientific paper
1996-09-30
Astronomy and Astrophysics
Astrophysics
14 pages, latex file using psfig.sty and A&AS laa-s.sty, 7 PostScript figures. Full postscript (text and figures) and the spec
Scientific paper
10.1051/aas:1997170
In this work we present spectroscopic observations centered in the spectral lines most widely used as optical indicators of chromospheric activity (H{alpha}, H{beta}, Ca II H & K, and He I D{3}) in a sample of F, G, K and M chromospherically inactive stars. The spectra have been obtained with the aim of providing a library of high and mid-resolution spectra to be used in the application of the spectral subtraction technique to obtain the active-chromosphere contribution to these lines in chromospherically active single and binary stars. This library can also be used for spectral classification purposes. A digital version with all the spectra is available via ftp and the World Wide Web (WWW) in both ASCII and FITS formats
Castro E. de
Cornide Manuel
Fernandez-Figueroa María José
Martin Eduardo L.
Montes David
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