Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.8412m&link_type=abstract
American Astronomical Society, 185th AAS Meeting, #84.12; Bulletin of the American Astronomical Society, Vol. 26, p.1458
Astronomy and Astrophysics
Astronomy
1
Scientific paper
The photo-dissociation region (PDR) associated with S106, an isolated, nearby emission nebula with bipolar outflow, provides an ideal target in which to determine the complex distribution of gas and dust within an active star forming complex. The UV photons of the embedded B star(s) excite important tracers of density, excitation, and extinction in the gas and dust. We employed the Cryogenic Optical Bench (COB) to provide narrow bandpass images (0.94 arcsec/pixel) in the molecular hydrogen v=1-0 S(1) 2.12 micron line, the ionized hydrogen Brackett alpha and Brackett gamma lines and the 3.28 micron dust emission feature. We also employed the Cryogenic Spectrometer (CRSP) at a wavelength resolution of 1900 across a single spectral baseline from 2.12 to 2.27 micron , stepping the slit to map the source simultaneously in the Brackett gamma , H2 (v=1-0 S(1), v=1-0 S(0) and v=2-1 S(0)) lines, and two lines of [FeIII].
Gatley Ian
Merrill Michael K.
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