Abstract
This paper reports on preliminary analysis of spectral scans of early-type stars obtained with the Orbiting Astronomical Observatory. The discussion is confined to the spectra of 50 stars observed with a resolution of approximately 10 Å over the spectral interval from 1050 Å to 2000 Å. Following a qualitative description of the spectra, observed equivalent widths of the Si IV (1400 Å) and CIV(1550 Å) lines are compared with model atmosphere calculations. The results suggest an upward revision of the stellar temperature scale for stars earlier than B3 V.
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References
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Code, A.D., Bless, R.C. (1970). Observations of Strong Stellar Lines with the OAO. In: Houziaux, L., Butler, H.E. (eds) Ultraviolet Stellar Spectra and Related Ground-Based Observations. International Astronomical Union / Union Astronomique Internationale, vol 36. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-3293-3_29
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DOI: https://doi.org/10.1007/978-94-010-3293-3_29
Publisher Name: Springer, Dordrecht
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