... In binarystars the levels of activity are generally seen to be higher than in ... binaries are tidally locked their spin periods are quite high which leads to ... application to the study of active binarystars because of the uncertainty in the ...
... Key words: stars: activity -- binaries: spectroscopic -- stars: chromospheres -- stars: individual: CC Eri -- stars: latetype ... The binary nature of the star can be clearly seen from the doubling of the emission lines. 2.3. ...
... EDITORIAL . NEWS & COMMENTS . ENVIRONMENTS OF ACTIVE CLOSE BINARYSTARS . A. G. Gunn . THE COMETARY COMPONENT OF THE NEAR-EARTH OBJECT POPULATION . ...
... Key words: Stars: earlytype, subdwarfs, binaries: spectroscopic. ... this investigation was to detect the main sequence secondaries of binary sdB stars ... of es timates of the binary frequency amongst sdB stars made by Allard et al. (1994 ...
... The evolution of these "helium-rich subdwarf B" (HesdB) stars has recently been the sub ject of much debate involving both single and binarystar evolution. ...
... Supernovae come in various forms, with different causes, but in general terms theyѓЉrepresent eitherѓЉthe explosive death of a giant star, or a very violent episode in the life of a binarystar pair. ...