Kentaro Motohara

Photometric H alpha and [O II] Luminosity Function of SDF and SXDF Galaxies: Implications for Future Baryon Oscillation Surveys (2009)

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...

A Search for Molecular Gas toward a BzK-selected Star-forming Galaxy at z = 2.044 (2009)

Hatsukade, Bunyo, Iono, Daisuke, Motohara, Kentaro, Nakanishi, Kouichiro, Hayashi, Masao, Shimasaku, Kazuhiro, ...

We present a search for CO(3-2) emission in SDF-26821, a BzK-selected star-forming galaxy (sBzK) at z = 2.044, using the 45-m telescope of the Nobeyama Radio Observatory and the Nobeyama Millimeter...

Photometric H alpha and [O II] luminosity function of SDF and SXDF galaxies: implications for future baryon oscillation surveys (2009)

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...

Photometric H alpha and [O II] luminosity function of SDF and SXDF galaxies: implications for future baryon oscillation surveys (2009)

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...

A photometric survey for Lyalpha-HeII dual emitters: Searching for Population III stars in high-redshift galaxies (2008)

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...

High-redshift Ly alpha emitters with a large equivalent width: Properties of i-dropout galaxies with an NB921-band depression in the Subaru Deep Field (2007)

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...

The Luminosity Function and Star Formation Rate between Redshifts of 0.07 and 1.47 for Narrow-band Emitters in the Subaru Deep Field (2006)

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...

Variability of the NGC 1333 IRAS 4A Outflow: Molecular Hydrogen and Silicon Monoxide Images (2006)

Choi, Minho, Hodapp, Klaus W., Hayashi, Masahiko, Motohara, Kentaro, Pak, Soojong, Pyo, Tae-Soo

The NGC 1333 region was observed in the H2 1-0 S(1) line. The H2 images cover a 5' x 7' region around IRAS 4. Numerous H2 emission features were detected. The northeast-southwest bipolar outflow...

An Observational Pursuit for Population III Stars in a Ly_alpha Emitter at z=6.33 through HeII Emission (2005)

Nagao, Tohru, Motohara, Kentaro, Maiolino, Roberto, Marconi, Alessandro, Taniguchi, Yoshiaki, Aoki, Kentaro, ...

We present a very deep near-infrared spectroscopic observation of a strong Ly_alpha emitter at z=6.33, SDF J132440.6+273607, which we used to search for HeII 1640. This emission line is expected if...

Signature of Electron Capture in Iron-Rich Ejecta of SN 2003du (2004)

Hoeflich, Peter, Gerardy, Christopher L., Nomoto, Kenichi, Motohara, Kentaro, Fesen, Robert A., Maeda, Keiichi, ...

Late-time near-infrared and optical spectra are presented for the normal-bright SN2003du. At about 300 days after the explosion, the emission profiles of well isolated [FeII] lines (in particular...

Submillimetre Constraints on Hyper-Extremely Red Objects in the Subaru Deep Field (2004)

Coppin, Kristen, Halpern, Mark, Scott, Douglas, Marsden, Gaelen, Iwamuro, Fumihide, Maihara, Toshinori, ...

We have mapped the submillimetre wavelength continuum emission from the Subaru Deep Field (SDF) at 450 and 850 microns with the Submillimetre Common-User Bolometer Array (SCUBA) detector on the James...

Multiwavelength Properties of the X-ray Sources in the Groth-Westphal Strip Field (2004)

Miyaji, Takamitsu, Sarajedini, Vicki, Griffiths, Richard E., Yamada, Toru, Schurch, Matthew, Cristóbal-Hornillos, David, ...

We summarize the multiwavelength properties of X-ray sources detected in the 80 ks XMM-Newton observation of the Groth-Westphal Strip. We find 23 XMM-Newton sources within the WFPC2 fields. Ten...

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 Deep Survey III. Evolution of Rest-Frame Luminosity Functions Based on the Photometric Redshifts for A K'-band Selected Galaxy Sample (2002)

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...

A Redshift z = 6.56 Galaxy Behind the Cluster Abell 370 (2002)

Hu, Esther M., Cowie, Lennox L., McMahon, Richard G., Capak, Peter, Iwamuro, Fumihide, Kneib, Jean-Paul, ...

We report the discovery of a redshift z=6.56 galaxy lying behind the cluster Abell 370. The object HCM 6A was found in a narrowband imaging survey using a 118 Angstrom bandpass filter centered at...

Hyper Extremely Red Objects in the Subaru Deep Field: Evidence for Primordial Elliptical Galaxies in the Dusty Starburst Phase (2001)

Totani, Tomonori, Yoshii, Yuzuru, Iwamuro, Fumihide, Maihara, Toshinori, Motohara, Kentaro

We report observational analyses and theoretical interpretations of unusually red galaxies in the Subaru Deep Field (SDF). A careful analysis of the SDF data revealed a population with unusually red...

High-Resolution Near-Infrared Imaging of the Powerful Radio Galaxy 3C 324 at z = 1.21 with the Subaru Telescope (2000)

Yamada, Toru, Kajisawa, Masaru, Tanaka, Ichi, Maihara, Toshinori, Iwamuro, Fumihide, Terada, Hiroshi, ...

We have obtained high-resolution K'-band images of the powerful z=1.206 radio galaxy 3C 324 with the Subaru telescope under seeing conditions of 0.3--0.4 arcsec. We clearly resolved the galaxy and...

Subaru Observations for the K-band Luminosity Distribution of Galaxies in Clusters near to 3C 324 at z$\sim$1.2 (2000)

Kajisawa, Masaru, Yamada, Toru, Tanaka, Ichi, Maihara, Toshinori, Iwamuro, Fumihide, Terada, Hiroshi, ...

We investigate the $K$-band luminosity distribution of galaxies in the region of clusters at $z\sim1.2$ near to the radio galaxy 3C 324. The imaging data were obtained during the commissioning period...

Color-Magnitude Sequence in the Clusters at z$\sim$1.2 near the Radio Galaxy 3C 324 (2000)

Kajisawa, Masaru, Yamada, Toru, Tanaka, Ichi, Maihara, Toshinori, Iwamuro, Fumihide, Terada, Hiroshi, ...

We have investigated the optical and near-infrared colors of K'-selected galaxies in clusters at z ~ 1.2 near to the radio galaxy 3C 324 using images obtained with the Subaru telescope and archival...

Superwind-Driven Intense H_2 Emission in NGC 6240 (2000)

Ohyama, Youichi, Yoshida, Michitoshi, Takata, Tadafumi, Imanishi, Masatoshi, Usuda, Tomonori, Saito, Yoshihiko, ...

We have performed a long-slit K band spectroscopic observation of the luminous infrared galaxy NGC 6240. The peak position of the H_2 v=1-0 S(1) emission in the slit is located ~0.3" - 0.4" north of...

Infrared Imaging of z=2.43 Radio Galaxy B3 0731+438 with the Subaru Telescope - Detection of H$\alpha$ Ionization Cones of a Powerful Radio Galaxy (2000)

Motohara, Kentaro, Iwamuro, Fumihide, Terada, Hiroshi, Goto, Miwa, Iwai, Jun'ichi, Tanabe, Hirohisa, ...

We report on infrared imaging observations of the z=2.429 radio galaxy B3 0731+438 with the Subaru telescope. The images were taken with the K'-band filter and the 2.25 um narrow-band filter to...