Subaru FOCAS Spectroscopic Observations of High-Redshift Supernovae (2009)
Morokuma, Tomoki, Tokita, Kouichi, Lidman, Christopher, Doi, Mamoru, Yasuda, Naoki, Aldering, Greg, ...
We present spectra of high-redshift supernovae (SNe) that were taken with the Subaru low resolution optical spectrograph, FOCAS. These SNe were found in SN surveys with Suprime-Cam on Subaru, the...
A QSO host galaxy and its Lyalpha emission at z=6.43 (2009)
Goto, Tomotsugu, Utsumi, Yousuke, Furusawa, Hisanori, Miyazaki, Satoshi, Komiyama, Yutaka
We report an optical detection of an extended structure around a QSO at z=6.43 (CFHQSJ2329-0301, the highest redshift QSO currently known) in deep z' and z_r-band images of the Subaru/Suprime-Cam....
Science with UT's Dichroic-Mirror Camera (DMC), 15-band simultaneous imager (2008)
Kuncarayakti, Hanindyo, Doi, Mamoru, Malasan, Hakim L., Hayano, Junji, Utsunomiya, Hiroyuki, Ihara, Yutaka, ...
We introduce the Dichroic-Mirror Camera (DMC), an instrument developed at the University of Tokyo which is capable of performing simultaneous imaging in fifteen bands. The main feature of the DMC is...
Discovery of a Giant Lya Emitter Near the Reionization Epoch (2008)
Ouchi, Masami, Ono, Yoshiaki, Egami, Eiichi, Saito, Tomoki, Oguri, Masamune, McCarthy, Patrick J., ...
We report the discovery of a giant Lya emitter (LAE) with a Spitzer/IRAC counterpart near the reionization epoch at z=6.595. The giant LAE is found from the extensive 1 deg^2 Subaru narrow-band...
The Subaru/XMM-Newton Deep Survey (SXDS) - V. Optically Faint Variable Object Survey (2008)
Morokuma, Tomoki, Doi, Mamoru, Yasuda, Naoki, Masayuki, Akiyama, Sekiguchi, Kazuhiro, Furusawa, Hisanori, ...
Also archived in: arXiv:0712.3108 v1 Dev 19 2007
Yoshida, Makiko, Shimasaku, Kazuhiro, Ouchi, Masami, Sekiguchi, Kazuhiro, Furusawa, Hisanori, Okamura, Sadanori
We investigate clustering properties of Lyman-break galaxies (LBGs) at z~3 based on deep multi-waveband imaging data from optical to near-infrared wavelengths in the Subaru/XMM-Newton Deep Field. The...
Morokuma, Tomoki, Doi, Mamoru, Yasuda, Naoki, Akiyama, Masayuki, Sekiguchi, Kazuhiro, Furusawa, Hisanori, ...
We present the properties of active galactic nuclei (AGN) selected by optical variability in the Subaru/XMM-Newton Deep Field (SXDF). Based on the locations of variable components and light curves,...
The Subaru/XMM-Newton Deep Survey (SXDS) - V. Optically Faint Variable Object Survey (2007)
Morokuma, Tomoki, Doi, Mamoru, Yasuda, Naoki, Akiyama, Masayuki, Sekiguchi, Kazuhiro, Furusawa, Hisanori, ...
We present our survey for optically faint variable objects using multi-epoch (8-10 epochs over 2-4 years) $i'$-band imaging data obtained with Subaru Suprime-Cam over 0.918 deg$^2$ in the...
Ouchi, Masami, Shimasaku, Kazuhiro, Akiyama, Masayuki, Simpson, Chris, Saito, Tomoki, Ueda, Yoshihiro, ...
We present luminosity functions (LFs) and various properties of Lya emitters (LAEs) at z=3.1, 3.7, and 5.7, in a 1 deg^2 sky of the Subaru/XMM-Newton Deep Survey (SXDS) Field. We obtain a photometric...
The Reionization and Galaxy Evolution Probed by z=7 Lyman Alpha Emitters (2007)
Ota, Kazuaki, Iye, Masanori, Kashikawa, Nobunari, Shimasaku, Kazuhiro, Kobayashi, Masakazu A. R., Totani, Tomonori, ...
We made a narrowband NB973 (bandwidth of 200A at 9755A) imaging of the Subaru Deep Field (SDF) and found two z=7 Lyman alpha emitter (LAE) candidates down to NB973=24.9. Carrying out deep follow-up...
Komiyama, Yutaka, Doi, Mamoru, Furusawa, Hisanori, Hamabe, Masaru, Imi, Katsumi, Kimura, Masahiko, ...
We carried out a wide-field V, I imaging survey of the Local Group dwarf spheroidal galaxy Leo II using the Subaru Prime Focus Camera on the 8.2-m Subaru Telescope. The survey covered an area of...
Yagi, Masafumi, Komiyama, Yutaka, Yoshida, Michitoshi, Furusawa, Hisanori, Kashikawa, Nobunari, Koyama, Yusei, ...
In the deep narrow band image of the Coma Cluster taken with Suprime-Cam of the Subaru telescope, we found an extremely long and narrow (~ 60 kpc x 2 kpc) Halpha emitting region associated with a...
Yamada, Toru, Kodama, Tadayuki, Akiyama, Masayuki, Furusawa, Hisanori, Iwata, Ikuru, Kajisawa, Masaru, ...
We obtained the number counts and the rest-frame B-band luminosity function of the color-selected old passively-evolving galaxies (OPEGs) at z=1 with very high statistical accuracy using a large and...
Discovery of a Large Scale Clumpy Structure around the Lynx Supercluster at z~1.27 (2004)
Nakata, Fumiaki, Kodama, Tadayuki, Shimasaku, Kazuhiro, Doi, Mamoru, Furusawa, Hisanori, Hamabe, Masaru, ...
We report the discovery of a probable large scale structure composed of many galaxy clumps around the known twin clusters at z=1.26 and z=1.27 in the Lynx region. Our analysis is based on deep,...
Current performance and on-going improvements of the 8.2 m Subaru Telescope (2004)
Iye, Masanori, Karoji, Hiroshi, Ando, Hiroyasu, Kaifu, Norio, Kodaira, Keiichi, Aoki, Kentaro, ...
An overview of the current status of the 8.2m Subaru Telescope constructed and operated at Mauna Kea, Hawaii, by the National Astronomical Observatory of Japan is presented. The basic design concept...
Subaru Prime Focus Camera -- Suprime-Cam -- (2002)
Miyazaki, Satoshi, Komiyama, Yutaka, Sekiguchi, Maki, Okamura, Sadanori, Doi, Mamoru, Furusawa, Hisanori, ...
We have built an 80-mega pixels (10240 X 8192) mosaic CCD camera, called Suprime-Cam, for the wide-field prime focus of the 8.2 m Subaru telescope. Suprime-Cam covers a field of view 34' X 27', a...
A Search for Lyman alpha Emitters at Redshift 3.7 (2002)
Fujita, Shinobu S., Ajiki, Masaru, Shioya, Yasuhiro, Nagao, Tohru, Murayama, Takashi, Taniguchi, Yoshiaki, ...
We present the results of a survey for emission-line objects based on optical intermediate-band ($\lambda_{\rm c}$ = 5736 \AA ~ and $\Delta\lambda$ = 280 \AA) and broad-band ($B$, $V$, $R$, and...
Kashikawa, Nobunari, Takata, Tadafumi, Ohyama, Youichi, Yoshida, Michitoshi, Maihara, Toshinori, Iwamuro, Fumihide, ...
We have constructed a very deep K'-selected multicolor BVRIz'JK' sample of 439 field galaxies. Photometric redshifts for sample galaxies were estimated. The overall redshift distribution N(z) for the...
Galaxy Population in a Cluster of Galaxies around the Radio Galaxy 3C 324 at z=1.2 (2001)
Nakata, Fumiaki, Kajisawa, Masaru, Yamada, Toru, Kodama, Tadayuki, Shimasaku, Kazuhiro, Tanaka, Ichi, ...
We discuss the properties of galaxies around the radio galaxy 3C 324 at z=1.2 based on BVRIK' multi-band imaging data. We have applied a photometric-redshift technique to objects in the 3C 324 field,...
Discovery of Very Extended Emission-Line Region around the Seyfert 2 Galaxy NGC 4388 (2001)
Yoshida, Michitoshi, Yagi, Masafumi, Okamura, Sadanori, Aoki, Kentaro, Ohyama, Youichi, Komiyama, Yutaka, ...
We found a very large, 35 kpc, emission-line region around the Seyfert type 2 galaxy NGC 4388, using deep narrow-band imaging with the prime focus camera (Suprime-Cam) of the Subaru telescope. This...
Statistical Properties of Lyman Break Galaxies at z~4 (2001)
Ouchi, Masami, Shimasaku, Kazuhiro, Okamura, Sadanori, Doi, Mamoru, Furusawa, Hisanori, Hamabe, Masaru, ...
We study the luminosity function and the correlation function of about 1200 z~4 Lyman break galaxies (LBGs) with i' 3 sigma significance level. Interpreting this as being due to galaxy mergers, we...
Clustering Properties of Galaxies at z~4 in the Subaru/XMM Deep Survey Field (2001)
Ouchi, Masami, Shimasaku, Kazuhiro, Okamura, Sadanori, Doi, Mamoru, Furusawa, Hisanori, Hamabe, Masaru, ...
We study the clustering properties of about 1200 z~4 Lyman Break Galaxy (LBG) candidates with i'
New Improved Photometric Redshifts of Galaxies in the HDF (1999)
Furusawa, Hisanori, Shimasaku, Kazuhiro, Doi, Mamoru, Okamura, Sadanori
We report new improved photometric redshifts of 1048 galaxies in the Hubble Deep Field (HDF). A standard chi^2 minimizing method is applied to seven-color UBVIJHK photometry by Fernandez-Soto,...