Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.9204k&link_type=abstract
American Astronomical Society, AAS Meeting #211, #92.04; Bulletin of the American Astronomical Society, Vol. 39, p.887
Astronomy and Astrophysics
Astronomy
Scientific paper
We present maps of Galactic far-ultraviolet molecular hydrogen (H2) fluorescent emission. These maps were obtained using observations over most of the sky using the SPEAR (FIMS) instrument, aboard the STSAT-1 satellite. The maps utilize an adaptive binning scheme which provide high spatial resolution in areas of high intensity, but preserves signal to noise in regions of faint emission. Fluorescent H2 emission is one of the few available direct tracers of molecular hydrogen. While the molecular hydrogen is concentrated toward the galactic plane, the fluorescent emission is not strictly limited to low galactic latitudes. The coverage and quality of our data should allow us to place constraints on the column and destruction rate of Galactic interstellar molecular hydrogen and to compare its distribution with interstellar atomic hydrogen and dust over a variety of environments.
The SPEAR/FIMS is supported by NASA grant NAG5-5355 and flies on the STSAT-1 Mission, supported of the Korea Ministry of Science and Technology.
Han Wei
Korpela Eric J.
Min Kyoung
Sirk Martin M.
SPEAR Team
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