The spectrum of the Kitt Peak night sky

Details The spectrum of the Kitt Peak night sky The spectrum of the Kitt Peak night sky

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102.1046m&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, Sept. 1990, p. 1046-1051. Research supported by NS

Other

24

Astronomical Observatories, Light (Visible Radiation), Night Sky, Site Selection, Sky Brightness, Spectral Emission, Emission Spectra, Solar Activity, Tables (Data), Zenith

Scientific paper

Absolute spectrophotometry of the Kitt Peak night sky at a variety of azimuths an zenith angles is presented, and the effect of population increase in Pima County on the dark-sky properties of Kitt Peak National Observatory in Arizona is studied. The results confirm that Kitt Peak remains a dark site, even after significant recent population growth of the surrounding area. The major line contributor to the B band is Hg, while the dominant source of contamination to the V-band measures are atmospheric lines, most notably O I 5577 A. Using fluxed observations of street lamps it was found that the relative contribution to light pollution in the yellow-red (5000 A - 6500 A) is 10 percent Hg, 30 percent LPS, and 60 percent HPS. No significant azimuthal effects are seen; it is noted that the sky remains equally dark toward Phoenix and Tucson as it does in other directions for zenith distances of 60 deg or less.

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