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The Subaru/XMM-Newton Deep Survey (SXDS) - II. Optical Imaging and Photometric Catalogs
H. Furusawa, G. Kosugi, M. Akiyama +33
We present multi-waveband optical imaging data obtained from observations of the Subaru/XMM-Newton Deep Survey (SXDS). The survey field, centered at R.A.=02:18:00, decl.=-05:00:00,…
Asphericity in Supernova Explosions from Late-Time Spectroscopy
Keiichi Maeda, Koji Kawabata, Paolo A. Mazzali +15
Core-collapse supernovae (CC-SNe) are the explosions that announce the death of massive stars. Some CC-SNe are linked to long-duration gamma-ray bursts (GRBs) and are highly aspher…
The Subaru/XMM-Newton Deep Survey (SXDS). IV. Evolution of Lya Emitters from z=3.1 to 5.7 in the 1 deg^2 Field: Luminosity Functions and AGN
Masami Ouchi, Kazuhiro Shimasaku, Masayuki Akiyama +13
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 o…
Radio imaging of the Subaru/XMM-Newton Deep Field - I. The 100-microJy catalogue, optical identifications, and the nature of the faint radio source population
Chris Simpson, Alejo Martinez-Sansigre, Steve Rawlings +6
We describe deep radio imaging at 1.4-GHz of the 1.3 square degree Subaru/XMM-Newton Deep Field (SXDF), made with the Very Large Array in B and C configurations. We present a radio…
Restframe Optical Spectroscopic Classifications for Submillimeter Galaxies
Tadafumi Takata, Kazuhiro Sekiguchi, Ian Smail +5
We report the results of a systematic near-infrared spectroscopic survey using the Subaru, VLT and Keck Telescopes of a sample of high redshift Ultra-luminous Infrared Galaxies (UL…
Low- and Medium-Dispersion Spectropolarimetry of Nova V475 Sct (Nova Scuti 2003): Discovery of an Asymmetric High-Velocity Wind in a Moderately Fast Nova
Koji S. Kawabata, Youichi Ohyama, Noboru Ebizuka +6
We present low-resolution () and medium-resolution () spectropolarimetry of Nova V475 Sct with the HBS instrument, mounted on the 0.91-m telescope at the Okay…
Afterglow spectrum of a gamma-ray burst with the highest known redshift z=6.295
N. Kawai, G. Kosugi, K. Aoki +25
Gamma-ray bursts (GRBs) and their afterglows have been proposed as an excellent probe to study the evolution of cosmic star formation, the reionization of the intergalactic medium,…
XMM-Newton 13H Deep field - I. X-ray sources
N. S. Loaring, T. Dwelly, M. J. Page +10
We present the results of a deep X-ray survey conducted with XMM-Newton, centred on the UK ROSAT 13H deep field area. This region covers 0.18 deg^2 and is the first of two areas co…
Nature of a Strongly-Lensed Submillimeter Galaxy SMM J14011+0252
K. Motohara, T. Takata, F. Iwamuro +6
We have carried out near-infrared JHK spectroscopy of a gravitationally lensed submillimeter galaxy SMM J14011+0252 at z=2.565, using OHS and CISCO on the Subaru telescope. This ob…
Current Performance and On-Going Improvements of the 8.2 m Subaru Telescope
Masanori Iye, Hiroshi Karoji, Hiroyasu Ando +2
An overview of the current status of the 8.2 m Subaru Telescope constructed and operated at Mauna Kea, Hawaii, by the National Astronomical Observatory of Japan is presented. The b…
Down-Sizing in Galaxy Formation at z~1 in the Subaru/XMM-Newton Deep Survey (SXDS)
Tadayuki Kodama
We use the deep wide-field optical imaging data of the Subaru/XMM-Newton Deep Survey (SXDS) to discuss the luminosity (mass) dependent galaxy colours down to z'=25.0 (5 x 10^9 h_{7…
Dusty ERO Search behind Two Massive Clusters
Tadafumi Takata, Nobunari Kashikawa, Kouichiro Nakanishi +15
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 sour…
Superwind-driven Intense H Emission in NGC 6240 II: Detailed Comparison of Kinematical and Morphological Structures of the Warm and Cold Molecular Gas
Youichi Ohyama, Michitoshi Yoshida, Tadafumi Takata
We report on our new analysis of the spatial and kinematical distribution of warm and cold molecular gas in NGC 6240, which was undertaken to explore the origin of its unusually lu…
On The Spectrum and Spectropolarimetry of Type Ic Hypernova SN 2003dh/GRB 030329
K. S. Kawabata, J. Deng, L. Wang +32
Spectroscopic and spectropolarimetric observations of SN 2003dh/GRB 030329 obtained in 2003 May using the Subaru 8.2 m telescope are presented. The properties of the SN are investi…
A Vigorous Starburst in the SCUBA Galaxy N2 850.4
Ian Smail, S. C. Chapman, R. J. Ivison +5
We present optical and near-IR spectroscopy of a z=2.38 hyperluminous IR galaxy, covering the restframe wavelength range from 1000-5000A. It appears to comprise two components sepa…
A medium deep Chandra and Subaru survey of the 13hr XMM/ROSAT deep survey area
I. M. McHardy, K. F. Gunn, A. M. Newsam +8
We present the results of a Chandra ACIS-I survey of a high latitude region at 13h +38 which was earlier observed with ROSAT (McHardy et al. 1998) and which has recently been obser…
Radio observations of the XMM-Newton/Chandra 13hr deep survey field
K. F. Gunn, I. M. McHardy, N. Seymour +9
Our VLA observations of the XMM-Newton/Chandra 13hr deep survey field (see Page et al., this proceedings) result in one of the two deepest 1.4GHz radio maps ever made. Within the 1…
X-ray and optical properties of X-ray sources in the 13hr XMM-Newton/Chandra deep survey
M. J. Page, I. M. McHardy, K. F. Gunn +8
The 13hr XMM-Newton/Chandra deep survey is the first of two extremely deep XMM-Newton fields observed by the XMM-OM consortium. A 120 ks Chandra mosaic, covering 0.2 square degrees…
Evolution of Elliptical Galaxies at z >~ 1 Revealed from a Large, Multicolor Sample of Extremely Red Objects
M. Miyazaki, K. Shimasaku, T. Kodama +23
We study the evolution of elliptical galaxies at z >~ 1 on the basis of a sample of 247 Extremely Red Objects (EROs) with R-Ks >= 3.35 (AB) and Ks <= 22.1 (AB) constructed from BVR…
Subaru Deep Survey III. Evolution of Rest-Frame Luminosity Functions Based on the Photometric Redshifts for A K'-band Selected Galaxy Sample
Nobunari Kashikawa, Tadafumi Takata, Youichi Ohyama +16
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 distri…
Decomposition of the Superwind in M82
Youichi Ohyama, Yoshiaki Taniguchi, Masanori Iye +16
We present new optical images (, , and H) of the archetypical starburst/superwind galaxy M82 obtained with the 8.2 m Subaru Telescope to reveal new detailed structures of…
A New High-Redshift Lyman alpha Emitter: Possible Superwind Galaxy at z = 5.69
M. Ajiki, Y. Taniguchi, T. Murayama +33
During the course of our deep optical imaging survey for Ly alpha emitters at z approximately 5.7 in the field around the z=5.74 quasar SDSSp J104433.04-012502.2, we have found a c…
Subaru Spectroscopy of the Gravitational Lens HST 14176+5226: Implications for a Large Cosmological Constan
Youichi Ohyama, Takashi Hamana, Nobunari Kashikawa +8
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…
A Shock-Induced Pair of Superbubbles in the High-Redshift Powerful Radio Galaxy MRC 0406-244
Yoshiaki Taniguchi, Youichi Ohyama, Takashi Murayama +26
We present new optical spectroscopy of the high-redshift powerful radio galaxy MRC 0406244 at redshift of 2.429. We find that the two extensions toward NW and SE probed in the r…