Emission-line objects in the Lanning ultraviolet survey

Details Emission-line objects in the Lanning ultraviolet survey Emission-line objects in the Lanning ultraviolet survey

May 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86..747m&link_type=abstract

Astronomical Journal, vol. 86, May 1981, p. 747-750. Research supported by the Alfred P. Sloan Foundation

Astronomy and Astrophysics

Astronomy

18

Emission Spectra, Line Spectra, Stellar Spectra, Ultraviolet Astronomy, Ultraviolet Spectra, Variable Stars, B Stars, Balmer Series, Early Stars, H Lines, Helium, Iron, Magnesium, Shell Stars

Scientific paper

Spectra are obtained of 19 of the ultraviolet-excess objects discovered on two-color plates by Lanning (1973), and at least two interesting objects for further study are found. Lanning 10 exhibits broad Balmer and He II 4686 A emission, and is probably a previously unnoted cataclysmic variable. Lanning 33 (= LSV + 27 deg 23) is an early B-type shell star, with strong, narrow Balmer emission, as well as prominent Fe II emission lines. Both objects exhibit spectral variability.

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