Ultraviolet spectrum of gamma Cygni
Journal Article
·
· Astrophys. J., v. 200, no. 2, pp. 395-398
These are data of an F8 Ib supergiant in the ranges lambdalambda2558-- 2600 and lambdalambda2765--2805 at a resolution of 0.4 A. Line identifications are guided by previous identifications in the range lambdalambda3977--4405. Rare- earth line richness is apparent. Although supernova-companion genesis for rare earths is tenable, there is no demonstrable connection between $gamma$ Cyg and the so-called $gamma$-Cygni supernova remnant or nebula. In particular, there is no ultraviolet spectral evidence for mass ejection that might excite the nebula. The Mg ii lambdalambda2795--2802 doublet passes from net absorption to net emission in Ib stars around spectral class G0. (AIP)
- Research Organization:
- Originating Research Org. not identified
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-33-010065
- OSTI ID:
- 4123752
- Journal Information:
- Astrophys. J., v. 200, no. 2, pp. 395-398, Journal Name: Astrophys. J., v. 200, no. 2, pp. 395-398; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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