Airborne Astronomy with a 150 micron - 400 micron Heterodyne Spectrometer

Details Airborne Astronomy with a 150 micron - 400 micron Heterodyne Spectrometer Airborne Astronomy with a 150 micron - 400 micron Heterodyne Spectrometer

Jan 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995cub..reptt....b&link_type=abstract

Technical Report, Colorado Univ. Boulder, CO United States Center for Astrophysics and Space Astronomy

Astronomy and Astrophysics

Astrophysics

Heterodyning, Line Spectra, Atomic Spectra, Fine Structure, Oxygen Atoms, Neutral Atoms, Interstellar Matter, Kuiper Airborne Observatory, Neutral Gases, Spectrometers

Scientific paper

This report summarizes work done under NASA Grant NAG2-753 awarded to the University of Colorado. The project goal was to build a far-infrared heterodyne spectrometer for NASA's Kuiper Airborne Observatory, and to use this instrument to observe atomic and molecular spectral lines from the interstellar medium. This goal was successfully achieved. Detections of particular note have been the 370 micron line of neutral atomic carbon, the 158 micron transition of ionized carbon, many of the high-J rotational lines of CO-12 and CO-13 between J=9-8 and J=22-21, the 119 micron and 163 micron rotational lines of OH, the 219 micron ground-state rotational line of H2D(+), and the 63 microns fine structure line of neutral atomic oxygen. All of these lines were observed at spectral resolutions exceeding 1 part in 106, thereby allowing accurate line shapes and Doppler velocities to be measured.

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