The Search for Molecular Hydrogen in the IR Second Solar Spectrum

Details The Search for Molecular Hydrogen in the IR Second Solar Spectrum The Search for Molecular Hydrogen in the IR Second Solar Spectrum

Jan 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743602w&link_type=abstract

American Astronomical Society, AAS Meeting #217, #436.02; Bulletin of the American Astronomical Society, Vol. 43, 2011

Astronomy and Astrophysics

Astronomy

Scientific paper

Molecular hydrogen in sunspots should be a dominant molecular species and an important factor in spot dynamics. The rotational and vibrational transitions of molecular hydrogen are extremely weak in comparison to the overall intensity spectrum of the sun making the molecule difficult to observe. Molecular lines, however, are prominent in the linearly polarized spectrum of the sun, also called the Second Solar Spectrum. Using the Scatter-free Observatory for Limb Active Regions and Coronae (SOLAR-C) located on the summit of Haleakala and a spectropolarimeter, we have observed the linear polarized spectrum of the sun near the 2.128 micron line of molecular hydrogen and begun to catalog the second solar spectrum in the IR.
This work was conducted as part of a Research Experience for Undergraduates (REU) position at the University of Hawai'i's Institute for Astronomy and funded by the NSF.

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