NDLI: Ultraviolet Si IV/C IV Ratios for Be Stars

Content Provider	Scilit
Author	Henize, Karl G. Wray, James D. Parsons, S. B. Benedict, G. F.
Copyright Year	1976
Description	The intensities of the very strong lines of C IV λ 1549 Å and Si IV λλ 1394, 1403 Å observed in spectra obtained with Skylab experiment S019 provide a sensitive discrimination of spectral type between B0 and B2. Eye estimates of the Si IV/C IV ratio are tabulated for 33 B0-B2, class III-V stars of which 11 are emission-line stars. Seven of the emission-line stars show significantly smaller ratios than normal stars of the same MK class. The most outstanding examples are 60 Cyg, o Pup, η Cen, and Ara.
Related Links	https://www.cambridge.org/core/services/aop-cambridge-core/content/view/67B479F68BFEEEBE3AE34F8C647DED59/S0074180900011347a.pdf/div-class-title-ultraviolet-si-iv-c-iv-ratios-for-be-stars-div.pdf
Ending Page	195
Page Count	5
Starting Page	191
ISSN	00741809
DOI	10.1017/s0074180900011347
Journal	Symposium - International Astronomical Union
Volume Number	70
Language	English
Publisher	Cambridge University Press (CUP)
Publisher Date	1976-01-01
Access Restriction	Open
Subject Keyword	International Astronomical Union Astronomy and Astrophysics B0 B2 c Line Stars c Iv Emission Line Iv Ratios
Content Type	Text
Resource Type	Article

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