The H-alpha line of HR 9076

Details The H-alpha line of HR 9076 The H-alpha line of HR 9076

Feb 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978a%26a....63..305p&link_type=abstract

Astronomy and Astrophysics, vol. 63, no. 1-2, Feb. 1978, p. 305, 306.

Astronomy and Astrophysics

Astrophysics

3

Emission Spectra, H Alpha Line, Stellar Spectra, Astronomical Spectroscopy, Shell Stars, Stellar Envelopes

Scientific paper

Results are reported for H-alpha scans of the star HR 9076 (Epsilon Tuc) which were performed with an echelle line-intensity spectrometer. It is found that HR 9076 is a shell star, that two small emission peaks surround the absorption core, and that the H-alpha line profile is constant both over short-term periods (of the order of 30 min) and from night to night. The distance between the emission peaks is determined as 8.58 A or 392 km/s.

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