CEDAR email: NCAR Earth Observing Lab Seminar on 16 June

[Astrid Maute]

*EOL SEMINAR SERIES: High-Altitude Instrumentation for Infrared
Observations of the Solar Corona*

*SPEAKER*: Dr. Jenna Samra - Astrophysicist, Smithsonian Astrophysical
Observatory (SAO)/Harvard-Smithsonian Center for Astrophysics (CfA)

*DATE*:  June 16, 2020

*TIME*:  2:00-3:00 pm MDT

*WEBCAST*:  https://www.ucar.edu/live?room=fl21022

*QUESTIONS*: Email questions during the talk to Ulrike Romatschke:
romatsch at ucar.edu

*ABSTRACT*:

High-altitude infrared remote sensing is a promising new method for
measuring coronal plasma and magnetic fields. This talk presents recent
results from Smithsonian’s Airborne Infrared Spectrometer (AIR-Spec) and
outlines concepts for future airborne and balloon-based spectrometers and
spectro-polarimeters.

AIR-Spec is an imaging spectrometer that measures light over a 0.4 degree
field of view in three spectral passbands between 1.4 and 3 microns. The
instrument was commissioned during the 2017 total solar eclipse, when it
observed five coronal emission lines from the NCAR Gulfstream V research
jet. During the 2019 eclipse, significant instrument improvements enabled
high-precision measurements higher in the corona. A third flight is planned
for December 2020, and a new balloon-based instrument is being designed
based on the results of the aircraft missions.
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