A study of the ultraviolet absorptions in the spectra of DA white dwarfs

Details A study of the ultraviolet absorptions in the spectra of DA white dwarfs A study of the ultraviolet absorptions in the spectra of DA white dwarfs

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986dchn.reptr....w&link_type=abstract

Semiannual Report, 1 Apr. - 30 Sep. 1985 Dartmouth Coll., Hanover, NH. Dept. of Physics and Astronomy.

Astronomy and Astrophysics

Astronomy

Absorption Spectra, Hydrogen, Spectral Energy Distribution, Stellar Spectra, Stellar Temperature, Ultraviolet Spectra, White Dwarf Stars, Energy Levels, Iue, Spectrum Analysis, Stellar Models

Scientific paper

Systematic investigations of the ultraviolet spectra of the hydrogen-rich white dwarfs were conducted with the International Ultraviolet Explorer satellite (IUE). This is to follow up on the work reported in Nelan and Wegner (1985) that the strong absorptions found earlier near lambda lambda 1600 and 1400 (cf. Greenstein 1980; Wegner 1982 and 1984, b) in the spectra of the cooler DA are absorptions produced by the H2 and H2(+) quasi-molecules. Observations of new DA white dwarfs obtained with the IUE are summarized.

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