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The cosmic infrared background experiment-2 (CIBER-2) for studying the near-infrared extragalactic background light

Shirahata, Mai and Battle, John and Bock, James and Hristov, Viktor and Korngut, Phillip and Lanz, Alicia and Mason, Peter and Morford, Tracy (2016) The cosmic infrared background experiment-2 (CIBER-2) for studying the near-infrared extragalactic background light. In: Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave. Proceedings of SPIE. No.9904. Society of Photo-Optical Instrumentation Engineers (SPIE) , Bellingham, WA, Art. No. 99044J. ISBN 978-1-5106-0187-1. http://resolver.caltech.edu/CaltechAUTHORS:20161115-151930844

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Abstract

We present the current status of the Cosmic Infrared Background ExpeRiment-2 (CIBER-2) project, whose goal is to make a rocket-borne measurement of the near-infrared Extragalactic Background Light (EBL), under a collaboration with U.S.A., Japan, South Korea, and Taiwan. The EBL is the integrated light of all extragalactic sources of emission back to the early Universe. At near-infrared wavelengths, measurement of the EBL is a promising way to detect the diffuse light from the first collapsed structures at redshift z∼10, which are impossible to detect as individual sources. However, recently, the intra-halo light (IHL) model is advocated as the main contribution to the EBL, and our new result of the EBL fluctuation from CIBER-1 experiment is also supporting this model. In this model, EBL is contributed by accumulated light from stars in the dark halo regions of low- redshift (z<2) galaxies, those were tidally stripped by the interaction of satellite dwarf galaxies. Thus, in order to understand the origin of the EBL, both the spatial fluctuation observations with multiple wavelength bands and the absolute spectroscopic observations for the EBL are highly required. After the successful initial CIBER- 1 experiment, we are now developing a new instrument CIBER-2, which is comprised of a 28.5-cm aluminum telescope and three broad-band, wide-field imaging cameras. The three wide-field (2.3×2.3 degrees) imaging cameras use the 2K×2K HgCdTe HAWAII-2RG arrays, and cover the optical and near-infrared wavelength range of 0.5–0.9 μm, 1.0–1.4 μm and 1.5–2.0 μm, respectively. Combining a large area telescope with the high sensitivity detectors, CIBER-2 will be able to measure the spatial fluctuations in the EBL at much fainter levels than those detected in previous CIBER-1 experiment. Additionally, we will use a linear variable filter installed just above the detectors so that a measurement of the absolute spectrum of the EBL is also possible. In this paper, the scientific motivation and the expected performance for CIBER-2 will be presented. The detailed designs of the telescope and imaging cameras will also be discussed, including the designs of the mechanical, cryogenic, and electrical systems.


Item Type:Book Section
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http://dx.doi.org/10.1117/12.2229567 DOIArticle
http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=2542057PublisherArticle
Additional Information:© 2016 Society of Photo-Optical Instrumentation Engineers (SPIE). This work was supported by NASA APRA research grants NNX07AI54G, NNG05WC18G, NNX07AG43G, NNX07AJ24G, and NNX10AE12G. Japanese participation in CIBER was supported by KAKENHI (21111004, 15H05744, 26800112) from Japan Society for the Promotion of Science (JSPS) and the Ministry of Education, Culture, Sports, Science and Technology (MEXT). Korean participation in CIBER was supported by the Pioneer Project from Korea Astronomy and Space Science Institute (KASI). P.K. acknowledge support from NASA Postdoctoral Program Fellowships, A.C. acknowledges support from an NSF CAREER award AST-0645427 and NSF AST-1313319.
Funders:
Funding AgencyGrant Number
NASANNX07AI54G
NASANNG05WC18G
NASANNX07AG43G
NASANNX07AJ24G
NASANNX10AE12G
Japan Society for the Promotion of Science (JSPS)21111004
Japan Society for the Promotion of Science (JSPS)15H05744
Japan Society for the Promotion of Science (JSPS)26800112
Ministry of Education, Culture, Sports, Science and Technology (MEXT)UNSPECIFIED
Korea Astronomy and Space Science Institute (KASI)UNSPECIFIED
NASA Postdoctoral ProgramUNSPECIFIED
NSFAST-0645427
NSFAST-1313319
Record Number:CaltechAUTHORS:20161115-151930844
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20161115-151930844
Official Citation:Mai Shirahata ; Toshiaki Arai ; John Battle ; James Bock ; Asantha Cooray ; Akito Enokuchi ; Viktor Hristov ; Yoshikazu Kanai ; Min Gyu Kim ; Phillip Korngut ; Alicia Lanz ; Dae-Hee Lee ; Peter Mason ; Toshio Matsumoto ; Shuji Matsuura ; Tracy Morford ; Yosuke Ohnishi ; Won-Kee Park ; Kei Sano ; Norihide Takeyama ; Kohji Tsumura ; Takehiko Wada ; Shiang-Yu Wang ; Michael Zemcov; The cosmic infrared background experiment-2 (CIBER-2) for studying the near-infrared extragalactic background light. Proc. SPIE 9904, Space Telescopes and Instrumentation 2016: Optical, Infrared, and Millimeter Wave, 99044J (July 29, 2016); doi:10.1117/12.2229567.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:72037
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:15 Nov 2016 23:46
Last Modified:15 Nov 2016 23:46

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