Doppler Imaging of the Chromospheres and Transition Regions of AR Lacertae -- Cycle 1

Details Doppler Imaging of the Chromospheres and Transition Regions of AR Lacertae -- Cycle 1 Doppler Imaging of the Chromospheres and Transition Regions of AR Lacertae -- Cycle 1

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.1208w&link_type=abstract

HST Proposal ID #1208

Physics

Hst Proposal Id #1208

Scientific paper

By obtaining high resolution, high S/N profiles of the transition region line in an active chromosphere star, it is possible to apply Doppler Imaging techniques in order to map the surface plages. We propose to obtain 8 spectra of C IV and Mg II lines in AR Lac, spaced around the orbit, to determine the spatial location of the active regions in the transition regions and lower chromspheres of the two stars.

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