Spectrophotometry of two 'ultraviolet' stars detected by 'Orion 2'

Details Spectrophotometry of two 'ultraviolet' stars detected by 'Orion 2' Spectrophotometry of two 'ultraviolet' stars detected by 'Orion 2'

Nov 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975afz....11..585g&link_type=abstract

Astrofizika, vol. 11, Nov. 1975, p. 585-592. In Russian.

Astronomy and Astrophysics

Astronomy

Continuous Spectra, Spaceborne Astronomy, Stellar Spectrophotometry, Ultraviolet Spectra, Astronomical Photometry, Soyuz Spacecraft, Spectral Energy Distribution, Stellar Luminosity

Scientific paper

'Ultraviolet' stars are defined as those whose continuous spectra are quite strong in the wavelength region down to at least 2500 A. Spectrograms of two such stars, obtained aboard the Orion 2 space observatory, are analyzed. Both are shown to be fainter than 10th magnitude. It is found that the energy distribution in their spectra corresponds to temperatures in excess of 20,000 K. However, an evaluation of their absolute luminosities indicates that these stars are not normal hot giants.

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