NASA NTRS · 20200011611
Early Results from the Solar-Minimum 2019 Total Solar Eclipse
Abstract
We observed the 2 July 2019 total solar eclipse with a variety of imaging and spectroscopic instruments recording from three sites in mainland Chile: on the centerline at La Higuera, from the Cerro Tololo Inter-American Observatory, and from La Serena, as well as from a chartered flight at peak totality in mid-Pacific. Our spectroscopy monitored Fe X, Fe XIV, and Ar X lines, and we imaged Ar X with a Lyot filter adjusted from its original H-alpha bandpass. Our composite imaging has been compared with predictions based on modeling using magnetic-field measurements from the pre-eclipse month. Our time-differenced sites will be used to measure motions in coronal streamers.
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Jay M Pasachoff, Christian A Lockwood, John L Inoue, Erin N Meadors, Aristeidis Voulgaris, David Sliski, Alan Sliski, Kevin P Reardon, Daniel B Seaton, Ronald M Caplan, Cooper Downs, Jon A Linker, Glenn Schneider, Patricio Rojo, Alphonse C Sterling. Early Results from the Solar-Minimum 2019 Total Solar Eclipse. https://ntrs.nasa.gov/citations/20200011611
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