Determining the Near-Infrared Extragalactic Background Through Absolute Measurements of the Zodiacal Light

Details Determining the Near-Infrared Extragalactic Background Through Absolute Measurements of the Zodiacal Light Determining the Near-Infrared Extragalactic Background Through Absolute Measurements of the Zodiacal Light

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aas...21543707k&link_type=abstract

American Astronomical Society, AAS Meeting #215, #437.07; Bulletin of the American Astronomical Society, Vol. 42, p.391

Astronomy and Astrophysics

Astronomy

Scientific paper

We are nearing the completion of the construction of a spectrometer for measuring near infrared solar absorption lines as reflected in the zodiacal light. These measurements will provide the absolute intensity of the zodiacal light in the COBE/DIRBE 1.25 micron band. Subtraction of the zodiacal light contribution from the Galaxy-subtracted diffuse sky brightness will provide a high quality measurement of the extragalactic background, an important constraint on the star formation history of the universe. Uncertainties in the modeling of the zodiacal light contribution had been the largest obstacle in determining the extragalactic background at near-IR wavelengths.

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