Publications (57)
Evolution of Beryllium and Boron in the Inhomogeneous Early Galaxy
Takeru Ken Suzuki, Yuzuru Yoshii, Toshitaka Kajino
The Lick AGN Monitoring Project: Broad-Line Region Radii and Black Hole Masses from Reverberation Mapping of Hbeta
Misty C. Bentz, Jonelle L. Walsh, Aaron J. Barth +24
The Absolute Magnitude of RR Lyrae Stars Derived from the Hipparcos Catalogue
Takuji Tsujimoto, Masanori Miyamoto, Yuzuru Yoshii
New limits on a cosmological constant from statistics of gravitational lensing
Masashi Chiba, Yuzuru Yoshii
Age Dating of a High-Redshift QSO B1422+231 at Z=3.62 and its Cosmological Implications
Yuzuru Yoshii, Takuji Tsujimoto, Kimiaki Kawara
Mass Function of Low Mass Dark Halos
Hideki Yahagi, Masahiro Nagashima, Yuzuru Yoshii
A new test for the Galactic formation and evolution -- prediction for the orbital eccentricity distribution of the halo stars
Kohei Hattori, Yuzuru Yoshii
Numerical Galaxy Catalog -I. A Semi-analytic Model of Galaxy Formation with N-body simulations
Masahiro Nagashima, Hideki Yahagi, Motohiro Enoki +2
Measurement of the Rossiter--McLaughlin Effect in the Transiting Exoplanetary System TrES-1
Norio Narita, Keigo Enya, Bun'ei Sato +9
A New Model for the Evolution of Light Elements in an Inhomogeneous Galactic Halo
Takeru Ken Suzuki, Yuzuru Yoshii
Dynamical response to supernova-induced gas removal in spiral galaxies with dark matter halo
Hiroko Koyama, Masahiro Nagashima, Takayuki Kakehata +1
Suzaku Monitoring of the Iron K Emission Line in the Type 1 AGN NGC 5548
Yuan Liu, Martin Elvis, Ian M. McHardy +10
Long-Term Optical Continuum Color Variability of Nearby Active Galactic Nuclei
Yu Sakata, Takeo Minezaki, Yuzuru Yoshii +8
A New Approach to Determine the Initial Mass Function in the Solar Neighborhood
Takuji Tsujimoto, Yuzuru Yoshii, Ken'ichi Nomoto +3
A Technique Fof Determining the Extragalactic Distance Scale
Masashi Chiba, Yuzuru Yoshii
Very Metal-Poor Outer-Halo Stars with Round Orbits
Kohei Hattori, Yuzuru Yoshii, Timothy C. Beers +2
Spectrum of the Supernova Relic Neutrino Background and Evolution of Galaxies
Tomonori Totani, Katsuhiko Sato, Yuzuru Yoshii
The Transit Light Curve Project. V. System Parameters and Stellar Rotation Period of HD 189733
Joshua N. Winn, Matthew J. Holman, Gregory W. Henry +8
Ultraviolet Continuum Color Variability of Luminous Sloan Digital Sky Survey QSOs
Yu Sakata, Tomoki Morokuma, Takeo Minezaki +4
JHK' Imaging Photometry of Seyfert 1 AGNs and Quasars I: Multi-Aperture Photometry
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
Hyper Extremely Red Objects in the Subaru Deep Field: Evidence for Primordial Elliptical Galaxies in the Dusty Starburst Phase
Tomonori Totani, Yuzuru Yoshii, Fumihide Iwamuro +2
Multiple Regression Analysis of the Variable Component in the Near-Infrared Region for Type 1 AGN MCG+08-11-011
Hiroyuki Tomita, Yuzuru Yoshii, Yukiyasu Kobayashi +6
A Reverberation-Based Mass for the Central Black Hole in NGC 4151
Misty C. Bentz, Kelly D. Denney, Edward M. Cackett +15
Chemical Evolution of Odd Elements in an Inhomogeneous Early Galaxy
Takuji Tsujimoto, Toshikazu Shigeyama, Yuzuru Yoshii
Variation of Inner Radius of Dust Torus in NGC4151
Shintaro Koshida, Yuzuru Yoshii, Yukiyasu Kobayashi +8
An improved cosmic crystallography method to detect holonomies in flat spaces
Hirokazu Fujii, Yuzuru Yoshii
On the possibility for constraining cosmic topology from the celestial distribution of astronomical objects
Hirokazu Fujii, Yuzuru Yoshii
Chemical Evolution of the Galactic Halo through Supernova-Induced Star Formation and Its Implication for Population III Stars
Takuji Tsujimoto, Toshikazu Shigeyama, Yuzuru Yoshii
The Lick AGN Monitoring Project: Photometric Light Curves and Optical Variability Characteristics
Jonelle L. Walsh, Takeo Minezaki, Misty C. Bentz +16
$JHK'$ Imaging Photometry of Seyfert 1 AGNs and Quasars II: Observation of Long-Term Variability
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
OI Line Emission in the Quasar PG 1116+215
Yoshiki Matsuoka, Shinki Oyabu, Yumihiko Tsuzuki +2
The Lick AGN Monitoring Project: Reverberation Mapping of Optical Hydrogen and Helium Recombination Lines
Misty C. Bentz, Jonelle L. Walsh, Aaron J. Barth +23
Three-dimensional orbits of metal-poor halo stars and the formation of the Galaxy
Masashi Chiba, Yuzuru Yoshii
A Group of Galaxies at Redshift 2.38
Paul Francis, Bruce Woodgate, Steve Warren +8
N-Body Code with Adaptive Mesh Refinement
Hideki Yahagi, Yuzuru Yoshii
The Optical/Near-Infrared Light Curves of SN 2002ap for the First 1.5 Years after Discovery
Hiroyuki Tomita, Jinsong Deng, Keiichi Maeda +9
Nucleosynthetic signatures of the first stars
Anna Frebel, Wako Aoki, Norbert Christlieb +16
The Light Elements Be and B as Stellar Chronometers in the Early Galaxy
Timothy C. Beers, Takeru K. Suzuki, Yuzuru Yoshii
NGC 5548 in a Low-Luminosity State: Implications for the Broad-Line Region
Misty C. Bentz, Kelly D. Denney, Edward M. Cackett +15
Primordial Lithium Abundance as a Stringent Constraint on the Baryonic Content of the Universe
Takeru Ken Suzuki, Yuzuru Yoshii, Timothy C. Beers
Does the Number Density of Elliptical Galaxies Change at z<1?
Tomonori Totani, Yuzuru Yoshii
Fe II Emission in 14 Low-Redshift Quasars: I - Observations
Yumihiko Tsuzuki, Kimiaki Kawara, Yuzuru Yoshii +3
Ultraviolet Fe II emission in z ~ 2 quasars
Hiroaki Sameshima, Jose Maza, Yoshiki Matsuoka +6
First Results from the Lick AGN Monitoring Project: The Mass of the Black Hole in Arp 151
Misty C. Bentz, Jonelle L. Walsh, Aaron J. Barth +24
Unavoidable Selection Effects in the Analysis of Faint Galaxies in the Hubble Deep Field: Probing the Cosmology and Merger History of Galaxies
Tomonori Totani, Yuzuru Yoshii
Subaru Super Deep Field with Adaptive Optics I. Observations and First Implications
Yosuke Minowa, Naoto Kobayashi, Yuzuru Yoshii +10
Hierarchical Formation of Galaxies with Dynamical Response to Supernova-Induced Gas removal
Masahiro Nagashima, Yuzuru Yoshii
Excavation of the first stars
Toshikazu Shigeyama, Takuji Tsujimoto, Yuzuru Yoshii
Early evolution of the Galactic halo revealed from Hipparcos observations of metal-poor stars
Masashi Chiba, Yuzuru Yoshii
A new measurement of the baryonic fraction using the sparse NGC 3258 group of galaxies
Kristian Pedersen, Yuzuru Yoshii, Jesper Sommer-Larsen
Probing the Site for r-Process Nucleosyntheis with Abundances of Barium and Magnesium in Extremely Metal-Poor Stars
Takuji Tsujimoto, Toshikazu Shigeyama, Yuzuru Yoshii
Orbital Eccentricity Distribution of Solar-Neighbour Halo Stars
Kohei Hattori, Yuzuru Yoshii
The Mass of the Black Hole in the Seyfert 1 Galaxy NGC 4593 from Reverberation Mapping
Kelly D. Denney, Misty C. Bentz, Bradley M. Peterson +15
A search for nontoroidal topological lensing in the Sloan Digital Sky Survey quasar catalog
Hirokazu Fujii, Yuzuru Yoshii
Measurement of the Spin-Orbit Angle of Exoplanet HAT-P-1b
John A. Johnson, Joshua N. Winn, Norio Narita +16
$JHK'$ Imaging Photometry of Seyfert 1 AGNs and Quasars III: Variability of Radio Quiet and Radio Loud AGNs
Keigo Enya, Yuzuru Yoshii, Yukiyasu Kobayashi +3
Possible Evidence for Metal Accretion onto the Surfaces of Metal-Poor Main-Sequence Stars
Kohei Hattori, Yuzuru Yoshii, Timothy C. Beers +2