The emission-line spectrum of the hot R Coronae Borealis star MV Sgr
Open Access
- 1 October 1996
- journal article
- research article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 282 (3) , 889-899
- https://doi.org/10.1093/mnras/282.3.889
Abstract
Spectra of MV Sgr obtained at CTIO in 1992 May show many emission lines in the red. Most of the emission lines show two components with a minimum centred at the stellar velocity. Species represented include H, He i, Ti ii and Fe n. Of special interest is emission in the Li i 6707-Å resonance doublet. [O i] and [N ii] emission indicate the presence of a nebula around the star. The radial velocity of the absorption lines (Al iii, Si iii, N ii and C ii) and Fe ii emission lines agrees with the radial velocity given by Jeffery et al.Keywords
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