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28 March 2024
 
  » arxiv » astro-ph/0510587

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The Cosmic Infrared Background Experiment
James Bock ; John Battle ; Asantha Cooray ; Mitsunobu Kawada ; Brian Keating ; Andrew Lange ; Dae-Hea Lee ; Toshio Matsumoto ; Shuji Matsuura ; Soojong Pak ; Tom Renbarger ; Ian Sullivan ; Kohji Tsumura ; Takehiko Wada ; Toyoki Watabe ;
Date 19 Oct 2005
AffiliationJPL/Caltech), John Battle (JPL), Asantha Cooray (UC Irvine), Mitsunobu Kawada (Nagoya), Brian Keating (UC San Diego), Andrew Lange (Caltech), Dae-Hea Lee (KASI), Toshio Matsumoto (ISAS/JAXA), Shuji Matsuura (ISAS/JAXA), Soojong Pak (KASI), Tom Renbarge
AbstractWe are developing a rocket-borne instrument (the Cosmic Infrared Background ExpeRiment, or CIBER) to search for signatures of primordial galaxy formation in the cosmic near-infrared extra-galactic background. CIBER consists of a wide-field two-color camera, a low-resolution absolute spectrometer, and a high-resolution narrow-band imaging spectrometer. The cameras will search for spatial fluctuations in the background on angular scales from 7 arcseconds to 2 degrees over a range of angular scales poorly covered by previous experiments. CIBER will determine if the fluctuations reported by the IRTS arise from first-light galaxies or have a local origin. In a short rocket flight CIBER has sensitivity to probe fluctuations 100 times fainter than IRTS/DIRBE. By jointly observing regions of the sky studied by Spitzer and ASTRO-F, CIBER will build a multi-color view of the near-infrared background, accurately assessing the contribution of local (z = 1-3) galaxies to the observed background fluctuations, allowing a deep and comprehensive survey for first-light galaxy background fluctuations. The low-resolution spectrometer will search for a redshifted Lyman cutoff feature between 0.8 - 2.0 microns. The high-resolution spectrometer will trace zodiacal light using the intensity of scattered Fraunhofer lines, providing an independent measurement of the zodiacal emission and a new check of DIRBE zodiacal dust models. The combination will systematically search for the infrared excess background light reported in near-infrared DIRBE/IRTS data, compared with the small excess reported at optical wavelengths.
Source arXiv, astro-ph/0510587
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