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...
Ouchi, Masami, Mobasher, Bahram, Shimasaku, Kazuhiro, Ferguson, Henry C., Fall, S. Michael, Ono, Yoshiaki, ...
We present results of our large-area survey for z'-band dropout galaxies at z=7 in a 1568 arcmin^2 sky area covering the SDF and GOODS-N fields. Combining our ultra-deep Subaru/Suprime-Cam z'- and...
Minezaki, Takeo, Chiba, Masashi, Kashikawa, Nobunari, Inoue, Kaiki Taro, Kataza, Hirokazu
We present mid-infrared imaging at 11.7 $\mu$m for the quadruple lens systems, MG0414+0534 and Q2237+030, using the cooled mid-infrared camera and spectrometer (COMICS) attached on the Subaru...
Lyman Break Galaxies at z~1.8-2.8: GALEX/NUV Imaging of the Subaru Deep Field (2009)
Ly, Chun, Malkan, Matthew A., Treu, Tommaso, Woo, Jong-Hak, Currie, Thayne, Hayashi, Masao, ...
Abridged: A photometric sample of ~7100 V
Sumiyoshi, Masanao, Totani, Tomonori, Oshige, Shunsuke, Glazebrook, Karl, Akiyama, Masayuki, Morokuma, Tomoki, ...
Efficient selection of emission line galaxies at z > 1 by photometric information in wide field surveys is one of the keys for future spectroscopic surveys to constrain dark energy using the baryon...
Sumiyoshi, Masanao, Totani, Tomonori, Oshige, Shunsuke, Glazebrook, Karl, Akiyama, Masayuki, Morokuma, Tomoki, ...
Efficient selection of emission line galaxies at z > 1 by photometric information in wide field surveys is one of the keys for future spectroscopic surveys to constrain dark energy using the baryon...
Sumiyoshi, Masanao, Totani, Tomonori, Oshige, Shunsuke, Glazebrook, Karl, Akiyama, Masayuki, Morokuma, Tomoki, ...
Efficient selection of emission line galaxies at z > 1 by photometric information in wide field surveys is one of the keys for future spectroscopic surveys to constrain dark energy using the baryon...
Star Formation Rates and Metallicities of K-selected Star Forming Galaxies at z~2 (2008)
Hayashi, Masao, Motohara, Kentaro, Shimasaku, Kazuhiro, Onodera, Masato, Uchimoto, Yuka Katsuno, Kashikawa, Nobunari, ...
We present spectroscopy of 15 star-forming BzK galaxies (sBzKs) with K(AB)
Subaru Weak Lensing survey -- II: Multi-object Spectroscopy and Cluster Masses (2008)
Hamana, Takashi, Miyazaki, Satoshi, Kashikawa, Nobunari, Ellis, Richard S., Massey, Richard J., Refregier, Alexandre, ...
We present the first results of a MOS campaign to follow up cluster candidates located via weak lensing. Our main goals are to search for spatial concentrations of galaxies that are plausible optical...
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...
Ota, Kazuaki, Kashikawa, Nobunari, Malkan, Matthew A., Iye, Masanori, Nakajima, Tadashi, Nagao, Tohru, ...
We investigate the sky distribution of z ~ 6 Lyman break galaxies selected as i'-dropouts having i' - z' > 1.45 down to z' < 26.5 in the Subaru Deep Field (SDF). We discover 37 i'-dropouts clustered...
Dark Matter Substructure in Lensing Galaxies (2008)
Chiba, Masashi, Minezaki, Takeo, Inoue, Kaiki T., Kashikawa, Nobunari, Kataza, Hirokazu, Sugai, Hajime
To set useful limits on the abundance of small-scale dark matter halos (subhalos) in a galaxy scale, we have carried out mid-infrared imaging and integral-field spectroscopy for a sample of quadruple...
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
Nagao, Tohru, Sasaki, Shunji, Maiolino, Roberto, Grady, Celestine, Kashikawa, Nobunari, Ly, Chun, ...
We present a new photometric search for high-z galaxies hosting Population III (PopIII) stars based on deep intermediate-band imaging observations obtained in the Subaru Deep Field (SDF), by using...
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...
A Subaru Weak Lensing Survey I: Cluster Candidates and Spectroscopic Verification (2007)
Miyazaki, Satoshi, Hamana, Takashi, Ellis, Richard S., Kashikawa, Nobunari, Massey, Richard J., Taylor, James, ...
We present the results of an ongoing weak lensing survey conducted with the Subaru telescope whose initial goal is to locate and study the distribution of shear-selected structures or halos. Using a...
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...
Ihara, Yutaka, Ozaki, Jin, Doi, Mamoru, Shigeyama, Toshikazu, Kashikawa, Nobunari, Komiyama, Yutaka, ...
We report our first results of photometric and spectroscopic observations for Tycho's supernova remnant (SNR Tycho) to search for the companion star of a type Ia supernova (SN Ia). From photometric...
A Huge Filamentary Structure at z=0.55 and Star Formation Histories of Galaxies at z (2007)
Tanaka, Masayuki, Hoshi, Takako, Kodama, Tadayuki, Kashikawa, Nobunari
We report a definitive confirmation of a large-scale structure around the super rich cluster CL0016+1609 at z=0.55. We made spectroscopic follow-up observations with FOCAS on Subaru along the large...
Kashikawa, Nobunari, Kitayama, Tetsu, Doi, Mamoru, Misawa, Toru, Komiyama, Yutaka, Ota, Kazuaki
We carried out a target survey for Lyman break galaxies (LBGs) and Lyman alpha emitters (LAEs) around QSO SDSS J0211-0009 at z=4.87. The deep and wide broadband and narrowband imaging simultaneously...
Gerhard, Ortwin, Arnaboldi, Magda, Freeman, Kenneth C., Okamura, Sadanori, Kashikawa, Nobunari, Yasuda, Naoki
The Coma cluster is the richest and most compact of the nearby clusters, yet there is growing evidence that its formation is still on-going. With a new multi-slit imaging spectroscopy technique...
Kinematic Substructures in the Coma Cluster Core as traced by Intracluster Planetary Nebulae (2007)
Arnaboldi, Magda, Gerhard, Ortwin, Freeman, Kenneth C., Kashikawa, Nobunari, Okamura, Sadanori, Yasuda, Naoki
The Coma cluster is the richest and most compact of the nearby clusters, yet there is growing evidence that its formation is still on-going. A sensitive probe of this evolution is the dynamics of...
Nagao, Tohru, Murayama, Takashi, Maiolino, Roberto, Marconi, Alessandro, Kashikawa, Nobunari, Ajiki, Masaru, ...
We report new follow-up spectroscopy of i-dropout galaxies with an NB921-band depression found in the Subaru Deep Field. The NB921-depressed i-dropout selection method is expected to select galaxies...
Misawa, Toru, Eracleous, Michael, Charlton, Jane C., Kashikawa, Nobunari
We present six new and two previously published high-resolution spectra of the quasar HS 1603+3820 (z_em = 2.542) taken over an interval of 4.2 years (1.2 years in the quasar rest frame). The...
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...
Arnaboldi, Magda, Gerhard, Ortwin, Okamura, Sadanori, Kashikawa, Nobunari, Yasuda, Naoki, Freeman, Kenneth C.
Ly, Chun, Malkan, Matt A., Kashikawa, Nobunari, Shimasaku, Kazuhiro, Doi, Mamoru, Nagao, Tohru, ...
Abridged: Subaru Deep Field line-emitting galaxies in four narrow-band filters at low and intermediate redshifts are presented. Broad-band colors, follow-up optical spectroscopy, and multiple NB...
Luminosity Functions of Lyman-Break Galaxies at z~4 and 5 in the Subaru Deep Field (2006)
Yoshida, Makiko, Shimasaku, Kazuhiro, Kashikawa, Nobunari, Ouchi, Masami, Okamura, Sadanori, Team, The SDF Project
We investigate the luminosity functions of Lyman-break galaxies (LBG) at z~4 and 5 based on the optical imaging data obtained in the Subaru Deep Field Project. Three samples of LBGs in a contiguous...
Kinematic substructures in the coma cluster core as traced by intracluster planetary nebulae (2006)
Arnaboldi, Magda, Gerhard, Ortwin, Freeman, Kenneth C., Kashikawa, Nobunari, Okamura, Sadanori, Yasuda, Naoki
Misawa, Toru, Kashikawa, Nobunari, Ohyama, Youichi, Hashimoto, Tetsuya, Iye, Masanori
We carried out a Subaru and UKIRT near infrared imaging survey for H-alpha emitting galaxies around two pair quasar systems (Q0301-005/Q0302-003 and Q2343+125/Q2344+125), and a triple quasar system...
Kashikawa, Nobunari, Yoshida, Makiko, Shimasaku, Kazuhiro, Nagashima, Masahiro, Yahagi, Hideki, Ouchi, Masami, ...
We explored the clustering properties of Lyman Break Galaxies (LBGs) at z=4 and 5 with an angular two-point correlation function on the basis of the very deep and wide Subaru Deep Field data. We...
A survey of NB921 dropouts in the Subaru Deep Field (2005)
Shioya, Yasuhiro, Taniguchi, Yoshiaki, Ajiki, Masaru, Nagao, Tohru, Murayama, Takashi, Sasaki, Shunji S., ...
In order to search for high-redshift galaxies beyond $z = 6.6$ in the Subaru Deep Field, we have investigated NB921-dropout galaxies where NB921 is the narrowband filter centered at 919.6 nm with...
Dark and stellar matter in strong lensing galaxies from a joint lensing and stellar dynamics (2005)
Hamana, Takashi, Ohyama, Youichi, Chiba, Masashi, Kashikawa, Nobunari
We present Subaru spectroscopy of the early-type lensing galaxies in the lens systems HST14113+5211 (z=0.464) and B2045+265 (z=0.868), being aimed at measuring the velocity dispersion of the lensing...
Discovery of a Strongly Lensed Galaxy at z=3.9 behind a z=0.83 Galaxy Cluster (2005)
Umetsu, Keiichi, Tanaka, Masayuki, Kodama, Tadayuki, Tanaka, Ichi, Futamase, Toshifumi, Kashikawa, Nobunari, ...
We report the discovery and spectroscopic confirmation of three gravitationally-lensed images of a galaxy at z=3.9 in the background of a distant, rich cluster of galaxies at z=0.83, on the basis of...
New High-Redshift Galaxies at $z$ = 5.8 - 6.5 in the Subaru Deep Field (2005)
Shioya, Yasuhiro, Taniguchi, Yoshiaki, Ajiki, Masaru, Nagao, Tohru, Murayama, Takashi, Sasaki, Shunji, ...
In order to search for high-redshift galaxies around $z \sim 6$ in the Subaru Deep Field, we have investigated NB816-dropout galaxies where NB816 is the narrowband filter centered at 815nm with FWHM...
The Color Selection of Quasars from Redshifts 5 to 10: Cloning and Discovery (2005)
Chiu, Kuenley, Zheng, Wei, Schneider, Donald P., Glazebrook, Karl, Iye, Masanori, Kashikawa, Nobunari, ...
We present simulations of quasar colors, magnitudes, and numbers at redshifts 54.7 quasars increases by a factor of 3X by extending 0.7 i-magnitudes deeper than the SDSS spectroscopic survey limit of...
Chiba, Masashi, Minezaki, Takeo, Kashikawa, Nobunari, Kataza, Hirokazu, Inoue, Kaiki Taro
We present mid-infrared imaging at 11.7 mu m for the quadruple lens systems, PG1115+080 and B1422+231, using the cooled mid-infrared camera and spectrometer (COMICS) attached on the Subaru telescope....
Detection of Intracluster Planetary Nebulae in the Coma Cluster (2005)
Gerhard, Ortwin, Arnaboldi, Magda, Freeman, Kenneth C., Kashikawa, Nobunari, Okamura, Sadanori, Yasuda, Naoki
[OIII] lambda 5007AA emission lines of 16 intracluster planetary nebulae candidates in the Coma cluster were detected with a Multi-Slit Imaging Spectroscopy (MSIS) technique using FOCAS on the Subaru...
The color selection of quasars from redshifts 5 to 10: cloning and discovery (2005)
Chiu, Kuenley, Zheng, Wei Yan, Schneider, Donald P., Glazebrook, Karl, Iye, Masanori, Kashikawa, Nobunari, ...
We present simulations of quasar colors, magnitudes, and numbers at redshifts 5 < z < 10 based on our discovery of 10 new high-redshift quasars and the cloning of lower redshift Sloan Digital...
The color selection of quasars from redshifts 5 to 10: cloning and discovery (2005)
Chiu, Kuenley, Zheng, Wei Yan, Schneider, Donald P., Glazebrook, Karl, Iye, Masanori, Kashikawa, Nobunari, ...
We present simulations of quasar colors, magnitudes, and numbers at redshifts 5 < z < 10 based on our discovery of 10 new high-redshift quasars and the cloning of lower redshift Sloan Digital...
The color selection of quasars from redshifts 5 to 10: cloning and discovery (2005)
Chiu, Kuenley, Zheng, Wei Yan, Schneider, Donald P., Glazebrook, Karl, Iye, Masanori, Kashikawa, Nobunari, ...
We present simulations of quasar colors, magnitudes, and numbers at redshifts 5 < z < 10 based on our discovery of 10 new high-redshift quasars and the cloning of lower redshift Sloan Digital...
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...
Fukugita, Masataka, Nakamura, Osamu, Schneider, Donald P., Doi, Mamoru, Kashikawa, Nobunari
We present an investigation of the environment (\approx 600 kpc radius) of a pair of luminous z=4.25 quasars, SDSS J1439-0034 A,B, separated by 33''. An analysis of high-quality Subaru spectra of the...
Two formation paths for cluster dwarf galaxies? (2003)
Poggianti, Bianca M., Kashikawa, Nobunari, Bridges, Terry, Mobasher, Bahram, Komiyama, Yutaka, Carter, Dave, ...
A surprising result of our recent spectroscopic survey of galaxies in the Coma cluster has been the discovery of a possible bimodal distribution in the metallicities of faint galaxies at $M_B>-17$....
Dusty ERO Search behind Two Massive Clusters (2003)
Takata, Tadafumi, Kashikawa, Nobunari, Nakanishi, Kouichiro, Aoki, Kentaro, Asai, Ryo, Ebizuka, Noboru, ...
We performed deep K'-band imaging observations of 2 massive clusters, MS 0451.6-0305 at z = 0.55 and MS 0440.5+0204 at z = 0.19, for searching counterparts of the faint sub-mm sources behind these...
Are Two z~6 Quasars Gravitationally Lensed ? (2003)
Yamada, Sanae F., Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Ajiki, Masaru, Nagao, Tohru, ...
Several high-z (z > 5.7) quasars have been found in the course of Sloan Digital Sky Survey. The presence of such very high-z quasars is expected to give constraints on early structure formation. On...
Subaru high resolution spectroscopy of complex metal absorption lines of QSO HS1603+3820 (2002)
Misawa, Toru, Yamada, Toru, Takada-Hidai, Masahide, Wang, Yiping, Kashikawa, Nobunari, Iye, Masanori, ...
We present a high resolution spectrum of the quasar, HS1603+3820 (z_em=2.542), observed with the High Dispersion Spectrograph (HDS) on Subaru Telescope. This quasar, first discovered in the...
Decomposition of the Superwind in M82 (2002)
Ohyama, Youichi, Taniguchi, Yoshiaki, Iye, Masanori, Yoshida, Michitoshi, Sekiguchi, Kazuhiro, Takata, Tadafumi, ...
We present new optical images ($B$, $V$, and H$\alpha$) of the archetypical starburst/superwind galaxy M82 obtained with the 8.2 m Subaru Telescope to reveal new detailed structures of the...
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...
ERO R1 in CL0939+4713 field - Evidence for an S0-like galaxy at z \sim 1.5 (2002)
Iye, Masanori, Shimasaku, Kazuhiro, Miyazaki, Satoshi, Imanishi, Masatoshi, Kashikawa, Nobunari, Kodama, Tadayuki, ...
We present further observations of the extremely red object ERO J094258+4659.2, identified by \citet{iye00} as ERO R1 in their deep images of the cluster A851. We estimate its redshift independently...
Ohyama, Youichi, Hamana, Takashi, Kashikawa, Nobunari, Chiba, Masashi, Futamase, Toshifumi, Iye, Masanori, ...
We present new optical spectroscopy of the lens elliptical galax in the ``Einstein Cross'' lens system HST 14176+5226, using the Faint Object Camera and Spectrograph (FOCAS) of the Subaru t Our...
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...
A Shock-Induced Pair of Superbubbles in the High-Redshift Powerful Radio Galaxy MRC 0406-244 (2001)
Taniguchi, Yoshiaki, Ohyama, Youichi, Murayama, Takashi, Yoshida, Michitoshi, Kashikawa, Nobunari, Iye, Masanori, ...
We present new optical spectroscopy of the high-redshift powerful radio galaxy MRC 0406$-$244 at redshift of 2.429. We find that the two extensions toward NW and SE probed in the rest-frame...
Nakata, Fumiaki, Shimasaku, Kazuhiro, Doi, Mamoru, Kashikawa, Nobunari, Kawasaki, Wataru, Komiyama, Yutaka, ...
We investigate pure luminosity evolution models for early-type (elliptical and S0) galaxies (i.e., no number density change or morphology transition), and examine whether these models are consistent...