Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992pasp..104...76o&link_type=abstract
Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 104, Jan. 1992, p. 76-82.
Astronomy and Astrophysics
Astronomy
74
Atomic Spectra, Emission Spectra, Hydroxyl Radicals, Instrument Compensation, Line Spectra, Sky Radiation, Astronomical Observatories, Electromagnetic Interference, Near Infrared Radiation, Vibrational Spectra
Scientific paper
Spectra of the night sky show the great increase of light pollution by sodium high- and low-pressure lamps in comparison with previous spectra taken in 1975. The usefulness of the emission lines of the night-sky spectrum for wavelength calibration is mentioned. In the far-red and near-infrared regions, where there are only few atomic night-sky lines, the OH vibration-rotation spectrum can be used for this purpose. Accurate rest wavelengths for these lines, calculated from the best laboratory determinations, are tabulated, and the special suitability of the P1 (and to a lesser extent P2) lines is discussed.
Martel Andre
Osterbrock Donald E.
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