Physics – Optics
Scientific paper
Dec 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007agufmsa41a0279s&link_type=abstract
American Geophysical Union, Fall Meeting 2007, abstract #SA41A-0279
Physics
Optics
0310 Airglow And Aurora, 0394 Instruments And Techniques
Scientific paper
With funding from the National Science Foundation Major Research Instrumentation program, plans are underway for designing, constructing, and fielding an echelle spectrograph patterned after the HIRES instrument on the 10-m Keck I telescope on Mauna Kea. Sky spectra from this and other large telescopes have revealed many new and interesting features in the terrestrial nightglow [Cosby et al., 2006; Cosby and Slanger, 2007; Sharpee et al., 2005; Slanger et al., 2003; Slanger et al., 2006; Slanger et al., 2004; Slanger and Osterbrock, 1998], and we have concluded that full access to such an instrument, with the ability to relocate it at various sites, will have a major impact on the study of the upper atmosphere. CESAR features f/1 camera optics, CCD detection with a range of 310-1040 nm, a resolution of 20,000, and simultaneous photon accumulation over 500 nm. The anticipated sensitivity is 3 photoelectrons R-1 s-1. After commissioning in Alaska, the instrument will become available as a community facility for qualified researchers with particular interests in studying the atmosphere at high spectral resolution, with simultaneous data collection over a broad spectral range. -------------- Cosby, P.C., B.D. Sharpee, D.L. Huestis, T.G. Slanger, and R. Hanuschik, High-resolution telluric emission line atlas from UVES/VLT and HIRES Keck/I: positions, intensities, and assignments for 2810 lines at 314-1043 nm, J Geophys. Res. 111, A12307, doi:10.1029/2006JA012023, 2006. Cosby, P.C., and T.G. Slanger, OH spectroscopy and chemistry investigated with astronomical sky spectra, Can. J. Phys., 85, 77-99, 2007. Sharpee, B.D., T.G. Slanger, P.C. Cosby, and D.L. Huestis, The N(2D°-4S°) 520 nm forbidden doublet in the nightglow: an experimental test of the theoretical intensity ratio, Geophys. Res. Lett., 32, L12106, doi.1029/2005GL023044, 2005. Slanger, T.G., P.C. Cosby, and D.L. Huestis, A new O2 band system: The{ \it c-b} transition in the terrestrial nightglow, J. Geophys. Res., 108 (A2), 1089, 2003. Slanger, T.G., P.C. Cosby, B.D. Sharpee, K.R. Minschwaner, and D.E. Siskind, The O(1S-1D,3P) branching ratio as measured in the terrestrial nightglow, J. Geophys. Res., 111, A12318, doi:10.1029/2006JA011972, 2006. Slanger, T.G., D.L. Huestis, P.C. Cosby, and R.R. Meier, Oxygen atom Rydberg emission in the equatorial ionosphere from radiative recombination, J. Geophys. Res., 109, A10309, doi:10.1029/2004JA010556, 2004. Slanger, T.G., and D.E. Osterbrock, Aeronomy-astronomy collaboration focuses on nighttime terrestrial atmosphere, EOS, Trans. Amer. Geophys. Union, 79, 149, 150, 154, 1998.
Broadfoot Lyle A.
Kendall E. A.
Slanger Tom G.
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