Nakajima, Aki, Shioya, Yasuhiro, Nagao, Tohru, Saito, Tomoki, Murayama, Takashi, Sasaki, Shunji S., ...
We present our analysis on the clustering properties of star-forming galaxies selected by narrow-band excesses in the Subaru Deep Field. Specifically we focus on Halpha emitting galaxies at z = 0.24...
Star-Forming Galaxies at z=0.24 in the Subaru Deep Field and the Sloan Digital Sky Survey (2008)
Morioka, Taichi, Nakajima, Aki, Taniguchi, Yoshiaki, Shioya, Yasuhiro, Murayama, Takashi, Sasaki, Shunji S.
We make a search for Halpha emitting galaxies at z=0.24 in the Subaru Deep Field (SDF) using the archival data set obtained with the Subaru Telescope. We carefully select Halpha emitters in the...
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...
Zur Morphologie und Entwicklungsgeschichte der Pankreasanlage von Uroloncha domestica Flower (2007)
Uber die Entwicklungsgeschichte des Voegelpankreas liegen seit langem viele Untersuchungen vor ; in meiner neulich publizierten Abhandlung uber die Haustauben habe ich hieruber aufs eingehendste...
Uber die Morphogenese der Magenanlage von Columba (2007)
Der Magen der Vogel, der seiner Entstehung nach als ein einheitlicher aufzufassen und als solcher mit dem Magen der niederen und hoheren Vertebraten zu vergleichen ist, besteht aus dem Drusenmagen...
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...
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...
Nagao, Tohru, Kawabata, Koji S., Murayama, Takashi, Ohyama, Youichi, Taniguchi, Yoshiaki, Shioya, Yasuhiro, ...
We report on the result of our high quality spectropolarimetric observation for the narrow-line region in a nearby Seyfert 2 galaxy, Mrk 573, by the Subaru Telescope. The polarized flux spectrum of...
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...
Detection of Polarized Broad Emission in the Seyfert 2 Galaxy Mrk 573 (2004)
Nagao, Tohru, Kawabata, Koji S., Murayama, Takashi, Ohyama, Youichi, Taniguchi, Yoshiaki, Sumiya, Ryoko, ...
We report the discovery of the scattered emission from a hidden broad-line region (BLR) in a Seyfert 2 galaxy, Mrk 573, based on our recent spectropolarimetric observation performed at the Subaru...
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 ($B$, $R_{\rm...
Are Two z~6 Quasars Gravitationally Lensed ? (2003)
Yamada, Sanae F., Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Ajiki, Masaru, Nagao, Tohru, ...
Several high-z (z > 5.7) quasars have been found in the course of Sloan Digital Sky Survey. The presence of such very high-z quasars is expected to give constraints on early structure formation. On...
Subaru High-Dispersion Spectroscopy of Narrow-Line Region in the Seyfert Galaxy NGC 4151 (2003)
Nagao, Tohru, Murayama, Takashi, Shioya, Yasuhiro, Taniguchi, Yoshiaki
We report on a study of forbidden emission-line spectrum of nearby Seyfert 1.5 galaxy NGC 4151 based on the high-resolution (R ~ 45,000) optical spectrum obtained by using the High Dispersion...
The discovery of a very narrow line star-forming object at a redshift of 5.66 (2003)
Taniguchi, Yoshiaki, Ajiki, Masaru, Murayama, Takashi, Nagao, Tohru, Veilleux, Sylvain, Sanders, David B., ...
Nagao, Tohru, Murayama, Takashi, Shioya, Yasuhiro, Taniguchi, Yoshiaki
In order to examine whether or not high-ionization nuclear emission-line regions (HINERs) in narrow-line regions of active galactic nuclei are dusty, we focus on two high-ionization forbidden...
SDSSp J104433.04$-$012502.2 at $z=5.74$ is Gravitationally Magnified by an Intervening Galaxy (2002)
Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Ajki, Masaru, Nagao, Tohru, Fujita, Shinobu S., ...
During the course of our optical deep survey program on L$\alpha$ emitters at $z \approx 5.7$ in the sky area surrounding the quasar SDSSp J104433.04$-$012502.2 at $z=5.74$, we found that a faint...
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...
Effects of a burst of formation of first-generation stars on the evolution of galaxies (2002)
Shioya, Yasuhiro, Taniguchi, Yoshiaki, Murayama, Takashi, Nishiura, Shingo, Nagao, Tohru, Kakazu, Yuko
First-generation (Population III) stars in the universe play an important role inearly enrichment of heavy elements in galaxies and intergalactic medium and thus affect the history of galaxies. The...
Nagao, Tohru, Murayama, Takashi, Shioya, Yasuhiro, Taniguchi, Yoshiaki
We investigate gas metallicity of narrow-line regions in narrow-line Seyfert 1 galaxies (NLS1s) and broad-line ones (BLS1s) in order to examine whether or not there is a difference in the gas...
Nagao, Tohru, Murayama, Takashi, Shioya, Yasuhiro, Taniguchi, Yoshiaki
In order to examine the prediction that the broad-line radio galaxies (BLRGs) with double-peaked Balmer lines harbor an accretion disk characterized by an advection-dominated accretion flow (ADAF) in...
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$-$244 at redshift of 2.429. We find that the two extensions toward NW and SE probed in the rest-frame...
Nagao, Tohru, Murayama, Takashi, Taniguchi, Yoshiaki
In order to examine how narrow emission-line flux ratios depend on the Seyfert type, we compiled various narrow emission-line flux ratios of 355 Seyfert galaxies from the literature. We present in...
The [O III]4363 Emitting Region Obscured by Dusty Tori (2001)
Nagao, Tohru, Murayama, Takashi, Taniguchi, Yoshiaki
The emission-line flux ratio of [O III]4363/[O III]5007 is a useful diagnostic for the ionization mechanism and physical properties of narrow-line regions in active galactic nuclei. However, it is...
Where is the [O III]4363 emitting region in active galactic nuclei? (2000)
Nagao, Tohru, Murayama, Takashi, Taniguchi, Yoshiaki
The emission-line flux ratio of [O III]4363/[O III]5007 (R_OIII)is a useful diagnostic for the ionization mechanism and physical properties of emission-line regions in active galactic nuclei (AGNs)....
LRG J0239-0134: A Ring Galaxy or a Pair of Superbubbles at z=1 ? (2000)
Taniguchi, Yoshiaki, Murayama, Takashi
The unusual morphology of LRG J0239$-$0134 at $z$ =1.062 has been interpreted as a ring galaxy. Here we propose an alternative idea that the ring-like morphology is attributed to a pair of...
Poststarburst Models of LINERs (2000)
Taniguchi, Yoshiaki, Shioya, Yasuhiro, Murayama, Takashi
Since the discovery of low-ionization nuclear emission-line regions in many galaxies (LINERs), it has been recognized that they constitute a class of active galactic nuclei (AGNs) which are thought...
The High-Ionization Nuclear Emission-Line Region of Seyfert Galaxies (2000)
Nagao, Tohru, Taniguchi, Yoshiaki, Murayama, Takashi
Recently Murayama & Taniguchi proposed that a significant part of the high-ionization nuclear emission-line region (HINER) in Seyfert nuclei arises from the inner wall of dusty tori because type 1...
The Nuclear Activity of the Galaxies in the Hickson Compact Groups (2000)
Shimada, Masashi, Ohyama, Youichi, Nishiura, Shingo, Murayama, Takashi, Taniguchi, Yoshiaki
In order to investigate the nuclear activity of galaxies residing in compact groups of galaxies, we present results of our optical spectroscopic program made at Okayama Astrophysical Observatory. We...
Dusty Tori of Seyfert Nuclei (2000)
Taniguchi, Yoshiaki, Murayama, Takashi, Mouri, Hideaki
Dusty tori around active galactic nuclei (AGNs) play an important role in the classification of Seyfert galaxies. Therefore, physical properties of dusty tori are of great interest. We briefly...
Discovery of a Low Surface Brightness Object near Seyfert's Sextet (2000)
Murayama, Takashi, Nishiura, Shingo, Nagao, Tohru, Sato, Yasunori, Taniguchi, Yoshiaki, Sanders, D. B.
We report the discovery of a low surface brightness (LSB) object serendipitously found during deep CCD imaging of a compact group of galaxies, Seyfert's Sextet, in VR and I bands. The LSB object is...
Extended High-Ionization Nuclear Emission-Line Region in the Seyfert Galaxy NGC 4051 (1999)
Nagao, Tohru, Murayama, Takashi, Taniguchi, Yoshiaki, Yoshida, Michitoshi
We present an optical spectroscopic analysis of the well-known Seyfert galaxy NGC 4051. The high-ionization nuclear emission-line region (HINER) traced by [Fe X]6374 is found to be spatially extended...
Taniguchi, Yoshiaki, Murayama, Takashi, Nagao, Tohru
Recently growing evidence has been accumulated that the NLS1s are viewed from nearly pole-on viewing angles. However, there has been no theoretical model which explains the following important...
New Mid-Infrared Diagnostic of the Dusty Torus Model for Seyfert Nuclei (1999)
Murayama, Takashi, Mouri, Hideaki, Taniguchi, Yoshiaki
We propose a new diagnostic of the ``dusty torus'' model for Seyfert nuclei. Dust grains in the torus are heated by the nuclear continuum, and reradiate mostly in the mid-infrared wavelengths. From...
Murayama, Takashi, Taniguchi, Yoshiaki
Having found that type 1 Seyfert nuclei have excess [FeVII]6087 emission with respect to type 2s, Murayama & Taniguchi have proposed that the high-ionization nuclear emission-line region (HINER)...
Taniguchi, Yoshiaki, Murayama, Takashi
Geometrical and physical properties of dusty tori of Seyfert nuclei probed by the water vapor maser emission at 22 GHz are discussed. We assume that the dusty torus has a simple cylindrical form and...
Near-Infrared Spectroscopy of the High Redshift Quasar S4 0636+68 at z=3.2 (1998)
Murayama, Takashi, Taniguchi, Yoshiaki, Evans, Aaron S., Sanders, D. B., Ohyama, Youichi, Kawara, Kimiaki, ...
We present near-infrared (observed frame) spectra of the high-redshift quasar S4 0636+68 at z=3.2 which was previously thought to be one of a group of ``strong'' Fe II emitters [i.e., F(Fe II...
Where is the coronal line region in active galactic nuclei? (1998)
Murayama, Takashi, Taniguchi, Yoshiaki
We report the new finding that type 1 Seyfert nuclei (S1s) have excess [FeVII]6087 emission with respect to type 2s (S2s). The S1s exhibit broad emission lines which are attributed to ionized gas...
The Epoch of Major Star Formation in High-z Quasar Hosts (1997)
Taniguchi, Yoshiaki, Arimoto, Nobuo, Murayama, Takashi, Evans, Aaron S., Sanders, David B., Kawara, Kimiaki
We present the results of our observing program on near infrared spectroscopy of high-redshift quasars which have been undertaken both at Kitt Peak National Observatory and at Mauna Kea Observatory,...
The most Distant [OIII]-emitting Quasar PKS 1937-101 at redshift 3.8 (1997)
Taniguchi, Yoshiaki, Murayama, Takashi, Kawara, Kimiaki, Arimoto, Nobuo
We report the discovery of a high-z quasar with unambiguous [OIII]5007 emission; PKS 1937-101 at redshift 3.8. This quasar, however, shows little evidence for rest-frame ultraviolet and optical FeII...
Why Does NGC 1068 Have a More Powerful Active Galactic Nucleus than NGC 4258 ? (1997)
Murayama, Takashi, Taniguchi, Yoshiaki
The nuclear gas kinematics probed by water vapor maser emission has shown that two nearby active galaxies, NGC 1068 and NGC 4258, have a supermassive object in their nuclei and their masses are...
Ou, Guangshuo, Koga, Makato, Blacque, Oliver E., Murayama, Takashi, Ohshima, Yasumi, Schafer, Jenny C., ...
Sensory cilium biogenesis within Caenorhabditis elegans neurons depends on the kinesin-2–dependent intraflagellar transport (IFT) of ciliary precursors associated with IFT particles to the axoneme...
Bannister, Mark L., Hamada, Tomoyo, Murayama, Takashi, Harvey, Peta J., Casarotto, Marco G., Dulhunty, Angela F., ...
To explain the mechanism of pathogenesis of channel disorder in MH (malignant hyperthermia), we have proposed a model in which tight interactions between the N-terminal and central domains of RyR1...
Murayama, Takashi, Oba, Toshiharu, Hara, Hiroshi, Wakebe, Kikuo, Ikemoto, Noriaki, Ogawa, Yasuo
We have demonstrated recently that CICR (Ca2+-induced Ca2+ release) activity of RyR1 (ryanodine receptor 1) is held to a low level in mammalian skeletal muscle (‘suppression’ of the channel) and...