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| physical object > natural object > celestial body > star > hydrogen-deficient star > hydrogen-deficient C star > R Coronae Borealis variable > R Coronae Borealis |
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| R Coronae Borealis comparison table | ||||||||||
| Subject | has reference | has spectral type | is part of | is an instance of | has recovery time | has amplitude | has outburst spectra | has outburst start time | is a kind of | has definition |
|---|---|---|---|---|---|---|---|---|---|---|
| R Coronae Borealis variable | F star, G star | supergiant | 8 magnitudes | cataclysmic variable | A very luminous helium-rich, carbon-rich, hydrogen-poor eruptive variable supergiant whose light declines up to 8 magnitudes at irregular intervals. | |||||
| R Coronae Borealis | Whitney, B.A., Soker, N., Clayton, G.C. : 1991, AJ 102, 284. Model for R Coronae Borealis stars | F star (F8-G0 Ib) | Corona Borealis | R Coronae Borealis variable | several months to a year | 6th magnitude to 14th magnitude | with many emission-lines | within a few weeks | Star with a large infrared excess and a rather high 7Li abundance. |