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Much of the star formation is obscured by dust. For the complete understanding of the cosmic star formation history (CSFH), infrared (IR) census is indispensable. AKARI carried out deep mid-infrared observations using its continuous 9-band…

Understanding infrared (IR) luminosity is fundamental to understanding the cosmic star formation history and AGN evolution. Japanese infrared satellite, AKARI, provided unique data sets to probe this both at low and high redshift; the AKARI…

Dust-obscured star-formation becomes much more important with increasing intensity, and increasing redshift. We aim to reveal cosmic star-formation history obscured by dust using deep infrared observation with the AKARI. We construct…

Understanding infrared (IR) luminosity is fundamental to understanding the cosmic star formation history and AGN evolution, since their most intense stages are often obscured by dust. Japanese infrared satellite, AKARI, provided unique data…

Astrophysics of Galaxies · Physics 2015-05-04 Tomotsugu Goto , AKARI NEP team , AKARI all sky survey team

We reveal cosmic star-formation history obscured by dust using deep infrared observation with the AKARI. A continuous filter coverage in the mid-IR wavelength (2.4, 3.2, 4.1, 7, 9, 11, 15, 18, and 24um) by the AKARI satellite allows us to…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Tomotsugu Goto , the AKARI NEPD team , M. Yagi , C. Yamauchi

Infrared (IR) luminosity is fundamental to understanding the cosmic star formation history and AGN evolution, since their most intense stages are often obscured by dust. Japanese infrared satellite, AKARI, provided unique data sets to probe…

We present a new catalogue of mid-IR sources using the AKARI NEP-Deep survey. The InfraRed Camera (IRC) onboard AKARI has a comprehensive mid-IR wavelength coverage with 9 photometric bands at 2 - 24 micron. We utilized all of these bands…

Cosmology and Nongalactic Astrophysics · Physics 2012-01-05 T. Takagi , H. Matsuhara , T. Goto , H. Hanami , M. Im , T. Ishigaki , H. M. Lee , M. Malkan , Y. Ohyama , S. Oyabu , C. P. Pearson , S. Serjeant , T. Wada , G. J. White

We present the physical properties of AKARI sources without optical counterparts in optical images from the Hyper Suprime-Cam (HSC) on the Subaru telescope. Using the AKARI infrared (IR) source catalog and HSC optical catalog, we select 583…

Far-infrared observations provide crucial data for the investigation and characterisation of the properties of dusty material in the Interstellar Medium (ISM), since most of its energy is emitted between ~100 and 200 um. We present the…

We present infrared galaxy luminosity functions (LFs) in the AKARI North Ecliptic Pole (NEP) deep field using recently-obtained, wider CFHT optical/near-IR images. AKARI has obtained deep images in the mid-infrared (IR), covering 0.6…

The north ecliptic pole (NEP) field is a natural deep field location for many satellite observations. It has been targeted manytimes since it was surveyed by the AKARI space telescope with its unique wavelength coverage from the near- to…

We present the result of a systematic infrared 2.5-5 um spectroscopic study of 22 nearby infrared galaxies over a wide infrared luminosity range (10 < log(L_IR / Lsun) < 13) obtained from AKARI Infrared Camera (IRC). The unique band of the…

Astrophysics of Galaxies · Physics 2015-06-22 Kohei Ichikawa , Masatoshi Imanishi , Yoshihiro Ueda , Takao Nakagawa , Mai Shirahata , Hidehiro Kaneda , Shinki Oyabu

We present the results of the analysis of multiwavelength Spectral Energy Distributions (SEDs) of far-infrared galaxies detected in the AKARI Deep Field-South (ADF--S) Survey. The analysis uses a carefully selected sample of 186 sources…

Astrophysics of Galaxies · Physics 2013-11-01 K. Malek , A. Pollo , T. T. Takeuchi , E. Giovannoli , V. Buat , D. Burgarella , M. Malkan , A. Kurek

In order to understand the interaction between the central black hole and the whole galaxy or their co-evolution history along with cosmic time, a complete census of active galactic nuclei (AGN) is crucial. However, AGNs are often missed in…

The infrared Astronomical Satellite AKARI conducted deep ($\sim$ 0.4 deg$^2$) and wide ($\sim 5.4$ deg$^2$) surveys around the North Ecliptic Pole (NEP) with its InfraRed Camera (IRC) with nine filters continuously covering the 2-25 $\mu$m…

Astrophysics of Galaxies · Physics 2022-09-21 Takamitsu Miyaji , AKARI NEP Survey Team

By cross-correlating AKARI infrared (IR) sources with the SDSS galaxies, we identified 2357 infrared galaxies with a spectroscopic redshift. This is not just one of the largest samples of local IR galaxies, but AKARI provides crucial FIR…

The $AKARI$ infrared (IR) space telescope conducted two surveys (Deep and Wide) in the North Ecliptic Pole (NEP) field to find more than 100,000 IR sources using its Infrared Camera (IRC). IRC's 9 filters, which cover wavebands from 2 to 24…

Astrophysics of Galaxies · Physics 2020-09-09 T. -C. Huang , H. Matsuhara , T. Goto , H. Shim , S. J. Kim , M. A. Malkan , T. Hashimoto , H. S. Hwang , N. Oi , Y. Toba , D. Lee , D. J. D. Santos , T. Takagi

We present a new sample of active galactic nuclei (AGNs) identified using the catalog of the AKARI Mid-infrared(MIR) All-Sky Survey. Our MIR search has an advantage in detecting AGNs that are obscured at optical wavelengths due to…

Cosmology and Nongalactic Astrophysics · Physics 2011-03-24 S. Oyabu , D. Ishihara , M. Malkan , H. Matsuhara , T. Wada , T. Nakagawa , Y. Ohyama , Y. Toba , T. Onaka , S. Takita , H. Kataza , I. Yamamura , M. Shirahata

We have studied the star-formation and AGN activity of massive galaxies in the redshift range $z=0.4-2$, which are detected in a deep survey field using the AKARI InfraRed (IR) astronomical satellite and {\em Subaru} telescope toward the…

We performed a far-IR imaging survey of the circumstellar dust shells of 144 evolved stars as a mission programme of the AKARI infrared astronomical satellite using the Far-Infrared Surveyor (FIS) instrument. With this survey, we deliver…

Solar and Stellar Astrophysics · Physics 2018-12-19 Toshiya Ueta , Andrew J. Torres , Hideyuki Izumiura , Issei Yamamura , Satoshi Takita , Rachael L. Tomasino
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