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VLA Observations of Quiescent and Flare Microwave Emission from Late-Type Stars: A Unique Probe of Coronal Magnetic Fields

Published online by Cambridge University Press:  04 August 2017

Dale E. Gary ,
Jeffrey L. Linsky  and
George A. Dulk
Dale E. Gary
Affiliation:
Joint Institute for Laboratory Astrophysics, University of Colorado, National Bureau of Standards, Boulder, CO 80309 Department of Astro-Geophysics, Univ. of Colorado, Boulder, CO, USA
Jeffrey L. Linsky
Affiliation:
Joint Institute for Laboratory Astrophysics, University of Colorado, National Bureau of Standards, Boulder, CO 80309 Staff Member, Quantum Physics Division, NBS
George A. Dulk
Affiliation:
Joint Institute for Laboratory Astrophysics, University of Colorado, National Bureau of Standards, Boulder, CO 80309 Department of Astro-Geophysics, Univ. of Colorado, Boulder, CO, USA

Extract

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The high sensitivity and angular resolving power of the VLA permits observations for the first time of the steady (quiescent) microwave emission from stellar coronae as well as detailed studies of stellar flares. Gary and Linsky (1981) first detected steady 6 cm emission from χ1 Ori (GO V) and UV Cet (M5.6e V), and Topka and Marsh (1982) subsequently detected quiescent emission from both components of EQ Peg (dM3.5e + dM4.5e).

Information

Type
IV. The Role of Magnetic Fields in the Structure and Energy Balance of Stellar Atmospheres
Information
Symposium - International Astronomical Union , Volume 102: Solar and Stellar Magnetic Fields: Origins and Coronal Effects , 1983 , pp. 387 - 390
Copyright
Copyright © Reidel 1983 

References

Gary, D.E. and Linsky, J.L.: 1981, Astrophys. J. 250, p. 284–292.Google Scholar
Gary, D.E., Linsky, J.L., and Dulk, G.A.: 1982, submitted to Astrophys. J. (Letters).Google Scholar
Melrose, D.B. and Dulk, G.A.: 1982, Astrophys. J. 259, in print.Google Scholar
Pallavicini, R., Sakurai, T., and Vaiana, G.S.: 1981, Astron. Astrophys. 98, p. 316–327.Google Scholar
Topka, K. and Marsh, K.A.: 1982, Astrophys. J. 254, p. 641–645.Google Scholar