Astronomy and Astrophysics – Astronomy
Scientific paper
May 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.244...29k&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 244, May 1, 1990, p. 29-34.
Astronomy and Astrophysics
Astronomy
8
Absorption Spectra, Astronomical Spectroscopy, R Coronae Borealis Stars, Stellar Evolution, Carbon, Iue, Light Curve, Spectral Line Width, Stellar Spectra
Scientific paper
R CrB was observed during the 1986 shallow minimum to study the spectral changes taking place during light minimum as compared with the spectrum at maximum light. The absorption spectrum at this minimum is very similar to the spectrum seen during the early decline of the 1963 light minimum. An enhancement of molecular bands of C2, CN, and low excitation atomic lines is found during these phases. An absorption feature at 4050.5A is also noted, probably due to C3 in the early decline of the 1963 and 1986 minima. Calculations do not indicate any drastic change in effective temperature and microturbulence between light maximum and minimum. It appears that regions with enhanced molecular absorptions are required to explain the absorption spectrum during light minimum.
Ashoka B. N.
Giridhar Sunetra
Kameswara Rao N.
No associations
LandOfFree
Spectroscopic studies of R CrB during light minima - Absorption spectrum does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Spectroscopic studies of R CrB during light minima - Absorption spectrum, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Spectroscopic studies of R CrB during light minima - Absorption spectrum will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-782903