Analysis of the stellar fluxes at 2740 A as obsered by S2/68 and OAO-2

Details Analysis of the stellar fluxes at 2740 A as obsered by S2/68 and OAO-2 Analysis of the stellar fluxes at 2740 A as obsered by S2/68 and OAO-2

Aug 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984a%26a...137..149f&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 137, no. 1, Aug. 1984, p. 149-151.

Astronomy and Astrophysics

Astronomy

4

B Stars, Flare Stars, O Stars, Spaceborne Astronomy, Stellar Radiation, Ultraviolet Spectra, Flux (Rate), Oao 2, Spectral Energy Distribution, Spectrum Analysis, Stellar Models, Stellar Spectrophotometry, Td-1 Satellite

Scientific paper

The difference in flux data of early spectral type stars measured at 2740 A by the S2/68 apparatus on the TD1 satellite and the OAO-2 satellite is discused, as are deviations between data and model predictions. Comparisons are made of data on 108 stars. The S2/68 data are found to be systematically lower in flux variability values than those of OAO-2 and those predicted. It is shown that the Kurusz (1979) model yields good predictions of UV data over a large spectral range, while the S2/68 data cannot be used for classifications. No way was determined to attribute the errors to the on-board glass transmission filter or the tube photocathode calibration.

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