Affiliation: | (1) Department of Physics and Astronomy, University of California, Irvine, CA 92697-4575, USA;(2) Las Cumbres Observatory, Santa Barbara, CA, USA;(3) Lockheed Martin Advanced Technology Center, Solar and Astrophysics Laboratory, Organization ADBS, Building 252, 3251 Hanover Street, Palo Alto, CA 94304, USA;(4) JILA, Department of Astrophysical and Planetary Sciences, University of Colorado, Boulder, CO 80309, USA |