Astronomy and Astrophysics – Astronomy
Scientific paper
May 1997
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...190.2509b&link_type=abstract
American Astronomical Society, 190th AAS Meeting, #25.09; Bulletin of the American Astronomical Society, Vol. 29, p.807
Astronomy and Astrophysics
Astronomy
2
Scientific paper
We have used the ASCA, XTE, and EUVE satellites and the VLA radio array to study the coronal emission from the RS CVn binaries sigma (2) CrB, observed 1997 March 11-13, and HR1099 (V711 Tau), observed 1996 September 1-11 with additional, more limited, observations during the period 1996 October 9-22. We present time-resolved analyses of the variable coronal emission, including flares, from these systems. sigma (2) CrB was observed simultaneously by ASCA, XTE, and VLA, while simultaneous observations of HR1099 were obtained by XTE, EUVE, and VLA. During these observations HR1099 underwent a very large flare lasting 3 days. In addition we present a synopsis of the coronal variability seen for HR1099 from a total EUVE coverage lasting 34 days obtained between 1992 and 1996. This work is supported by NASA Grants NAG5-2259, NAG5-2530, & NAG5-3226 to the University of Colorado.
Ayres Thomas R.
Brown Adrian
Drake Stephen Alan
Osten Rachel Ann
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