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 HI content of star-forming galaxies at z = 0.24 (2007)
Lah, Philip, Chengalur, Jayaram N., Briggs, Frank H., Colless, Matthew, De Propris, Roberto, Pracy, Michael B., ...
We use observations from the Giant Metrewave Radio Telescope (GMRT) to measure the atomic hydrogen gas content of star-forming galaxies at z = 0.24 (i.e. a look-backtime of ~3 Gyr). The sample of...
Ajiki, Masaru, Taniguchi, Yoshiaki, Murayama, Takashi, Shioya, Yasuhiro, Nagao, Tohru, Sasaki, Shunji S., ...
Recently, Zheng et al. (2005) found evidence for an overdensity of galaxies around a radio-loud quasar, SDSS J0836+0054, at z=5.8 (a five arcmin$^2$ region). We have examined our deep optical imaging...
Ajiki, Masaru, Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Nagao, Tohru, Sasaki, Shunji S., ...
We discuss observational properties of strong emission-line galaxies at low redshift found by our deep imaging survey for high-redshift Ly alpha emitters. In our surveys, we used the narrowband...
An Intermediate-band imaging survey for high-redshift Lyman Alpha Emitters: The Mahoroba-11 (2005)
Yamada, Sanae F., Sasaki, Shunji S., Sumiya, Ryoko, Umeda, Kazuyoshi, Shioya, Yasuhiro, Ajiki, Masaru, ...
We present results of our intermediate-band optical imaging survey for high-$z$ Ly$\alpha$ emitters (LAEs) using the prime focus camera, Suprime-Cam, on the 8.2m Subaru Telescope. In our survey, we...
Narrow-Band Survey of the GOODS Fields: Search for Lyman-Alpha Emitters at z = 5.7 (2005)
Ajiki, Masaru, Mobasher, Bahram, Taniguchi, Yoshiaki, Shioya, Yasuhiro, Nagao, Tohru, Murayama, Takashi, ...
We present results from optical narrow-band lambda_c = 8150A ~ and Delta lambda = 120A) observations of the Great Observatories Origins Deep Survey (GOODS) fields, using Suprime-Cam on the Subaru...
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...
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...
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 Intermediate-band Dropout Method: A New Method to Search for High-Redshift Galaxies (2005)
Shioya, Yasuhiro, Taniguchi, Yoshiaki, Ajiki, Masaru, Nagao, Tohru, Murayama, Takashi, Sasaki, Shunji, ...
We propose a new method to search for high-redshift galaxies that is based on an intermediate-band dropout technique rather than the usual broad-band dropout one. In this method, we use an...
A Subaru Search for Lyman-Alpha Emitters at z=5.8 with an Intermediate-Band Filter (2004)
Ajiki, Masaru, Taniguchi, Yoshiaki, Fujita, Shinobu S., Shioya, Yasuhiro, Nagao, Tohru, Murayama, Takashi, ...
We present the results of a survey for Ly-alpha emitters at z ~ 5.8 using a new intermediate-band filter centered at lambda_c = 8275 AA with Delta-lambda_FWHM = 340 AA (i.e., the spectroscopic...
The Halpha Luminosity Function of the Galaxy Cluster Abell 521 at z = 0.25 (2003)
Umeda, Kazuyoshi, Yagi, Masafumi, Yamada, Sanae F., Taniguchi, Yoshiaki, Shioya, Yasuhiro, Murayama, Takashi, ...
We present an optical multicolor-imaging study of the galaxy cluster Abell 521 at $z = 0.25$, using Suprime-Cam on the Subaru Telescope, covering an area of $32 \times 20$ arcmin$^2$ ($9.4 \times 5.8...
A Subaru Search for Lyman$\alpha$ Emitters at Redshift 5.7 (2003)
Ajiki, Masaru, Taniguchi, Yoshiaki, Fujita, Shinobu S., Shioya, Yasuhiro, Nagao, Tohru, Murayama, Takashi, ...
We present the results of a survey for Ly$\alpha$ emitters at $z\approx 5.7$ based on optical narrow-band ($\lambda_{\rm c} = 8150$ \AA ~ and $\Delta\lambda = 120$ \AA), and broad-band ($B$, $R_{\rm...
Are Two z~6 Quasars Gravitationally Lensed ? (2003)
Yamada, Sanae F., Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Ajiki, Masaru, Nagao, Tohru, ...
Several high-z (z > 5.7) quasars have been found in the course of Sloan Digital Sky Survey. The presence of such very high-z quasars is expected to give constraints on early structure formation. On...
Lyman$\alpha$ Emitters beyond Redshift 5:The Dawn of Galaxy Formation (2003)
Taniguchi, Yoshiaki, Shioya, Yasuhiro, Fujita, Shinobu S., Nagao, Tohru, Murayamaoya, Takashi, Ajiki, Masaru
The 8m class telescopes in the ground-based optical astronomy together with help from the ultra-sharp eye of the Hubble Space Telescope have enabled us to observe forming galaxies beyond redshift...
The discovery of a very narrow line star-forming object at a redshift of 5.66 (2003)
Taniguchi, Yoshiaki, Ajiki, Masaru, Murayama, Takashi, Nagao, Tohru, Veilleux, Sylvain, Sanders, David B., ...
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...
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...