H-alpha line in 36 Lyncis. II - RETICON observations of line variability

Details H-alpha line in 36 Lyncis. II - RETICON observations of line variability H-alpha line in 36 Lyncis. II - RETICON observations of line variability

Aug 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989pasp..101..699t&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 101, Aug. 1989, p. 699-704.

Astronomy and Astrophysics

Astronomy

3

Absorption Spectra, H Alpha Line, Peculiar Stars, Signal To Noise Ratios, Stellar Magnetic Fields, Stellar Spectrophotometry, Atmospheric Moisture, Balmer Series, Light (Visible Radiation), Radial Velocity

Scientific paper

High-resolution, high signal-to-noise spectroscopic observations at H-alpha of the helium-weak star 36 Lyncis (HD 79158) confirm the lack of emission and lack of line asymmetry reported earlier, but do reveal line-strength variability on a rapid time scale. This result is discussed in relation to a magnetospheric oblique rotator model recently proposed to explain the known C IV ultraviolet line and magnetic-field variability of the star.

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