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OBSERVATIONS OF THE NEAR-INFRARED SPECTRUM OF THE ZODIACAL LIGHT WITH CIBER
Tsumura, K.,Battle, J.,Bock, J.,Cooray, A.,Hristov, V.,Keating, B.,Lee, D. H.,Levenson, L. R.,Mason, P.,Matsumoto, T.,Matsuura, S.,Nam, U. W.,Renbarger, T.,Sullivan, I.,Suzuki, K.,Wada, T.,Zemcov, M. IOP Publishing 2010 The Astrophysical journal Vol.719 No.1
THE <i>COSMIC INFRARED BACKGROUND EXPERIMENT</i> ( <i>CIBER</i> ): THE LOW RESOLUTION SPECTROMETER
Tsumura, K.,Arai, T.,Battle, J.,Bock, J.,Brown, S.,Cooray, A.,Hristov, V.,Keating, B.,Kim, M. G.,Lee, D. H.,Levenson, L. R.,Lykke, K.,Mason, P.,Matsumoto, T.,Matsuura, S.,Murata, K.,Nam, U. W.,Renbarg IOP Publishing 2013 The Astrophysical journal Supplement series Vol.207 No.2
REANALYSIS OF THE NEAR-INFRARED EXTRAGALACTIC BACKGROUND LIGHT BASED ON THE<i>IRTS</i>OBSERVATIONS
Matsumoto, T.,Kim, M. G.,Pyo, J.,Tsumura, K. IOP Publishing 2015 The Astrophysical journal Vol.807 No.1
<P>We reanalyze data of the near-infrared background taken by IRTS using up-to-date observational results of zodiacal light (ZL), integrated star light, and diffuse Galactic light. We confirm the existence of residual isotropic emission, which is slightly lower but almost the same as previously reported. At wavelengths longer than 2 mu m, the result is fairly consistent with the recent observation with AKARI. We also perform the same analysis using a different ZL model by Wright and detect residual isotropic emission that is slightly lower than that based on the original Kelsall model. Both models show residual isotropic emission that is significantly brighter than the integrated light of galaxies.</P>
Matsuura, Shuji,Arai, Toshiaki,Bock, James J.,Cooray, Asantha,Korngut, Phillip M.,Kim, Min Gyu,Lee, Hyung Mok,Lee, Dae Hee,Levenson, Louis R.,Matsumoto, Toshio,Onishi, Yosuke,Shirahata, Mai,Tsumura, K American Astronomical Society 2017 The Astrophysical journal Vol.839 No.1
<P>The extragalactic background light (EBL) captures the total integrated emission from stars and galaxies throughout the cosmic history. The amplitude of the near-infrared EBL from space absolute photometry observations has been controversial and depends strongly on the modeling and subtraction of the zodiacal light (ZL) foreground. We report the first measurement of the diffuse background spectrum at 0.8-1.7 mu m from the CIBER experiment. The observations were obtained with an absolute spectrometer over two flights in multiple sky fields to enable the subtraction of ZL, stars, terrestrial emission, and diffuse Galactic light. After subtracting foregrounds and accounting for systematic errors, we find the nominal EBL brightness, assuming the Kelsall ZL model, is 42.7(-10.6) (+11.9) nW m(-2) sr(-1) at 1.4 mu m. We also analyzed the data using the Wright ZL model, which results in a worse statistical fit to the data and an unphysical EBL, falling below the known background light from galaxies at. lambda<. 1.3 mu m. Using a model-independent analysis based on the minimum EBL brightness, we find an EBL brightness of 28.7(-3.3)(+5.1) nWm(-2) s(r-1) at 1.4 mu m. While the derived EBL amplitude strongly depends on the ZL model, we find that we cannot fit the spectral data to ZL, Galactic emission, and EBL from solely integrated galactic light from galaxy counts. The results require a new diffuse component, such as an additional foreground or an excess EBL with a redder spectrum than that of ZL.</P>
Lee, D.H.,Nam, U.W.,Kim, G.H.,Pak, S.,Zemcov, M.,Bock, J.J.,Battle, J.,Sullivan, I.,Mason, P.,Tsumura, K.,Matsumoto, T.,Matsuura, S.,Renbarger, T.,Keating, B. 한국천문학회 2007 天文學論叢 Vol.22 No.4
The international cooperation project CIBER (Cosmic Infrared Background ExpeRiment) is a rocket-borne instrument, of which the scientific goal is to measure the cosmic near-infrared extra-galactic background to search for signatures of primordial galaxy formation. CIBER consists of a wide-field two-color camera, a low-resolution absolute spectrometer, and a high-resolution narrow-band imaging spectrometer. Currently, all the subsystems have been built, and the integration, testing, and calibration of the CIBER system are on process for the scheduled launch in June 2008.
Analysis of Dark Data of the PICNIC IR Arrays in the CIBER
이대희,김민규,M. Zemcov,남욱원,J. Bock,J. Battle,V. Hristov,T. Renbarger,T. Matsumoto,I. Sullivan,L. R. Levenson,P. Mason,김건희,K. Tsumura,S. Matsuura 한국우주과학회 2010 Journal of Astronomy and Space Sciences Vol.27 No.4
We have measured and analyzed the dark data of two PICNIC IR arrays (P574 and P560) obtained through the Cosmic Infrared Background ExpeRiment (CIBER). First, we identified three types of bad pixels: the cold, the hot, and the transient, which are figured in total as 0.06% for P574 and 0.19% for P560. Then, after the bad pixels were masked, we determined the dark noise to be 20.5 ± 0.05 e- and 16.1 ± 0.05 e-, and the dark current to be 0.6 ± 0.05 e-/sec and 0.7 ± 0.05 e-/sec for P574 and P560, respectively. Finally, we discussed glitches and readout modes for a future mission.