Institution: | (1) NASA/GSFC, Laboratory for Solar Physics and Astrophysics, New Mexico Station, 800 Yale Blvd. N.E., 87131 Albuquerque, New Mexico, USA;(2) NASA/GSFC, Laboratory for Solar Physics and Astrophysics, Solar Spectrometer Group, Sacramento Peak Observatory, 88349 Sunspot, New Mexico, USA |