Tracking down R Coronae Borealis stars from their mid-infrared WISE colours
@article{Tisserand2011TrackingDR, title={Tracking down R Coronae Borealis stars from their mid-infrared WISE colours}, author={P. Tisserand}, journal={Astronomy and Astrophysics}, year={2011}, volume={539} }
Context. R Coronae Borealis stars (RCBs) are hydrogen-deficient and carbon-rich supergiant stars. They are very rare, with only ∼50 actually known in our Galaxy. Interestingly, RCBs are strongly suspected of being the evolved merger product of two white dwarfs and could therefore be an important tool for understanding supernovae type Ia in the double degenerate scenario. Constraints on the spatial distribution and the formation rate of such stars are needed to picture their origin and test it… CONTINUE READING
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