Spectrophotometric observations of Delta Capricorni

Details Spectrophotometric observations of Delta Capricorni Spectrophotometric observations of Delta Capricorni

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.143..107s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 143, no. 1, April 1988, p. 107-112.

Astronomy and Astrophysics

Astrophysics

Astronomical Catalogs, Eclipsing Binary Stars, H Alpha Line, Light Curve, Stellar Luminosity, Stellar Spectrophotometry, Astronomical Photometry, Emission Spectra, Line Spectra

Scientific paper

Spectrophotometric observations of the eclipsing binary system δ Capricorni, covering the wavelength interval λλ3300 - 7300 Å, have been presented. Comparison of the standard spectral scans of δ Cap with the spectral scans of the stars of known spectral types and luminosity classes taken from the Breger (1976) catalogue shows that, near the phase of secondary eclipse, δ Cap shows the spectral-luminosity type as A8 - 9 III. This is in agreement with the photometric findings of Srivastava (1987). Hα emission is not visible convincingly, however, some irregularities are apparent, at least in two scans, around the Hα region.

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