Computer Science – Learning
Scientific paper
May 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000spd....31.1003l&link_type=abstract
American Astronomical Society, SPD Meeting #31, #10.03; Bulletin of the American Astronomical Society, Vol. 32, p.842
Computer Science
Learning
Scientific paper
Beautiful spectra and precise photometry from space instruments on HST, Chandra, XMM, and ASCA, together with ground-based observations, provide new insights and form the basis for detailed models of active phenomena on late-type dwarf stars. I would like to summarize some of the important new results concerning stellar activity and compare them with active phenomena observed on the Sun. Is the Sun a basal flux star? What are we learning about stellar magnetic fields and starspots? What evidence is there for cool structures (prominences) and hot loops in stellar coronae? Are stellar flares qualitatively different from solar flares? Are the outer atmospheres of active stars heated by microflares? Are relativistic electrons present in stellar coronae? Does the thermal structure of active star coronae differ from the solar corona? Do stars have astrospheres with structures analogous to the outer heliosphere? This work is supported by NASA through grants S-56500-D and H-04630D.
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