... Conspicuous lateral and vertical variations of chemical abundances in Ap stars and the prominence of the magnetic field signatures make them primary targets for detailed investigations of the magnetic topology and magnetically driven 2 M. Sachkov et al ...
... If one asks how many of these objects there are and why the comet and asteroid impact hazard has recently comet to prominence, the answer is that our knowledge has increased dramatically within the last twenty years or so. ...
... The low value of the final LWP datum is not understood, but suggests a possible occultation of the sec ondary star by a prominence loop extending above the trail ing limb of the K star primary. ...
... in the coronal temperatures and loop structures between dwarfs and giants while Gunn, Doyle & Houdebine (1997) suggest dwarfs and giants show different manifesta tions of activity in the form of plagelike and prominencelike features respectively ...