Okada, Yoko, Kawada, Mitsunobu, Murakami, Noriko, Ootsubo, Takafumi, Takahashi, Hidenori, Yasuda, Akiko, ...
We investigate the structure of the interstellar medium (ISM) and identify the location of possible embedded excitation sources from far-infrared (FIR) line and mid-infrared continuum emission maps....
Shirahata, Mai, Matsuura, Shuji, Hasegawa, Sunao, Ootsubo, Takafumi, Makiuti, Sin'itirou, Yamamura, Issei, ...
We present the characterization and calibration of the Slow-Scan observation mode of the Far-Infrared Surveyor (FIS) onboard the AKARI satellite. The FIS, one of the two focal-plane instruments on...
Hot debris dust around HD 106797 (2009)
Fujiwara, Hideaki, Yamashita, Takuya, Ishihara, Daisuke, Onaka, Takashi, Kataza, Hirokazu, Ootsubo, Takafumi, ...
Photometry of the A0 V main-sequence star HD 106797 with AKARI and Gemini/T-ReCS is used to detect excess emission over the expected stellar photospheric emission between 10 and 20 micron, which is...
North Ecliptic Pole Wide Field Survey of AKARI: Survey Strategy and Data Characteristics (2009)
Lee, Hyung Mok, Kim, Seong Jin, Im, Myungshin, Matsuhara, Hideo, Oyabu, Shinki, Wada, Takehiko, ...
We present the survey strategy and the data characteristics of the North Ecliptic Pole (NEP) Wide Survey of AKARI. The survey was carried out for about one year starting from May 2006 with 9...
Motoji Ikeya, Chihiro Yamanaka, Tomonori Mattsuda, Hideki Sasaoka, Qinghua Huang, Nobuyo Ohtani, ...
Electromagnetic pulses generated by compression of granitic rocks and animal behavior
Kawada, Mitsunobu, Takahashi, Hidenori, Murakami, Noriko, Matsuo, Hiroshi, Okada, Yoko, Yasuda, Akiko, ...
We have developed an imaging Fourier transform spectrometer (FTS) for space-based far-infrared astronomical observations. The FTS employs a newly developed photoconductive detector arrays with a...
Goto, Tomotsugu, Hanami, Hitoshi, Im, Myungshin, Imai, Koji, Inami, Hanae, Ishigaki, Tsuyoshi, ...
There is a huge gap between properties of red-sequence selected massive galaxy clusters at z3. It is important to understand when and how the z>3 proto-clusters evolve into passive clusters at z1,...
Suzaku Observations of Local Ultraluminous Infrared Galaxies (2008)
Teng, Stacy H., Veilleux, Sylvain, Anabuki, Naohisa, Dermer, Charles D., Gallo, Luigi C., Nakagawa, Takao, ...
We report the results from our analysis of {\it Suzaku} XIS (0.5-10 keV) and HXD/PIN (15-40 keV) observations of five well-known local ULIRGs: {\em IRAS} F05189-2524, {\em IRAS} F08572+3915, Mrk 273,...
Imanishi, Masatoshi, Nakagawa, Takao, Ohyama, Yoichi, Shirahata, Mai, Wada, Takehiko, Onaka, Takashi, ...
We report on the results of systematic infrared 2.5-5 micron spectroscopy of 45 nearby ultraluminous infrared galaxies (ULIRGs) at z < 0.3 using IRC onboard the AKARI satellite. This paper...
Timeline analysis and wavelet multiscale analysis of the AKARI All-Sky Survey at 90 micron (2008)
Wang, Lingyu, Rowan-Robinson, Michael, Yamamura, Issei, Shibai, Hiroshi, Savage, Rich, Oliver, Seb, ...
We present a careful analysis of the point source detection limit of the AKARI All-Sky Survey in the WIDE-S 90 $\mu$m band near the North Ecliptic Pole (NEP). Timeline Analysis is used to detect IRAS...
Timeline analysis and wavelet multiscale analysis of the AKARI all-sky survey at 90 μm (2008)
Wang, Lingyu, Rowan-Robinson, Michael, Yamamura, Issei, Shibai, Hiroshi, Savage, Rich, Oliver, Seb, ...
Slow-scan performance of the Far-Infrared Surveyor (FIS) onboard AKARI (2008)
Shirahata, Mai, Matsuura, Shuji, Hasegawa, Sunao, Ootsubo, Takafumi, Makiuti, Sin'itirou, Yamamura, Issei, ...
The European contribution to the SPICA mission (2008)
Swinyard, Bruce, Nakagawa, Takao, Matsuhara, Hideo, Griffin, Doug, Ferlet, Marc, Eccleston, Paul, ...
The SPICA Consortium, Swinyard, Bruce, Nakagawa, Takao, Merken, Patrick, Royer, Pierre, Souverijns, Tim, ...
Type I Ultraluminous Infrared Galaxies: Transition Stage from ULIRGs to QSOs (2007)
Kawakatu, Nozomu, Anabuki, Naohisa, Nagao, Tohru, Umemura, Masayuki, Nakagawa, Takao
We examine whether the ultraluminous infrared galaxies that contain a type I Seyfert nucleus (a type I ULIRG) are in the transition stage from ULIRGs to quasi-stellar objects (QSOs). To inspect this...
Matsuhara, Hideo, Wada, Takehiko, Pearson, Chris P., Oyabu, Shinki, Im, Myungshin, Imai, Koji, ...
We present the results of optical identifications for 257 mid-infrared sources detected with a deep 15um survey over approximately 80 arcmin^2 area in the AKARI performance verification field near...
The Far-Infrared Surveyor (FIS) for AKARI (2007)
Kawada, Mitsunobu, Baba, Hajime, Barthel, Peter D., Clements, David, Cohen, Martin, Doi, Yasuo, ...
The Far-Infrared Surveyor (FIS) is one of two focal plane instruments on the AKARI satellite. FIS has four photometric bands at 65, 90, 140, and 160 um, and uses two kinds of array detectors. The FIS...
Flight Performance of the AKARI Cryogenic System (2007)
Nakagawa, Takao, Enya, Keigo, Hirabayashi, Masayuki, Kaneda, Hidehiro, Kii, Tsuneo, Kimura, Yoshiyuki, ...
We describe the flight performance of the cryogenic system of the infrared astronomical satellite AKARI, which was successfully launched on 2006 February 21 (UT). AKARI carries a 68.5 cm telescope...
AKARI infrared imaging of reflection nebulae IC4954 and IC4955 (2007)
Ishihara, Daisuke, Onaka, Takashi, Kaneda, Hidehiro, Suzuki, Toyoaki, Kataza, Hirokazu, Sakon, Itsuki, ...
We present the observations of the reflection nebulae IC4954 and IC4955 region with the Infrared Camera (IRC) and the Far-Infrared Surveyor (FIS) on board the infrared astronomical satellite AKARI...
The Far-Infrared Properties of Spatially Resolved AKARI Observations (2007)
Jeong, Woong-Seob, Nakagawa, Takao, Yamamura, Issei, Pearson, Chris P., Savage, Richard S., Lee, Hyung Mok, ...
We present the spatially resolved observations of IRAS sources from the Japanese infrared astronomy satellite AKARI All-Sky Survey during the performance verification (PV) phase of the mission. We...
Microscopic surface structure of C/SiC composite mirrors for space cryogenic telescopes (2007)
Enya, Keigo, Nakagawa, Takao, Kaneda, Hidehiro, Onaka, Takashi, Ozaki, Tuyoshi, Kume, Masami
We report on the microscopic surface structure of carbon-fiber-reinforced silicon carbide (C/SiC) composite mirrors that have been improved for the Space Infrared Telescope for Cosmology and...
AKARI Far-Infrared Source Counts in the Lockman Hole (2007)
Matsuura, Shuji, Shirahata, Mai, Kawada, Mitsunobu, Doi, Yasuo, Nakagawa, Takao, Shibai, Hiroshi, ...
We report initial results of far-infrared observations of the Lockman hole with Far-Infrared Surveyor (FIS) onboard the AKARI infrared satellite. On the basis of slow scan observations of a 0.6 deg x...
Detection of an H-alpha Emission Line on a Quasar, RX J1759.4+6638, at z=4.3 with AKARI (2007)
Oyabu, Shinki, Wada, Takehiko, Ohyama, Youichi, Matsuhara, Hideo, Takagi, Toshinobu, Nakagawa, Takao, ...
We report the detection of an H-alpha emission line in the low resolution spectrum of a quasar, RX J1759.4+6638, at a redshift of 4.3 with the InfraRed Camera (IRC) onboard the AKARI. This is the...
Detection of CFIRB with AKARI/FIS Deep Observations (2007)
Jeong, Woong-Seob, Pearson, Chris P., Lee, Hyung Mok, Matsuura, Shuji, Kawada, Mitsunobu, Nakagawa, Takao, ...
The Cosmic Far-Infrared Background (CFIRB) contains information about the number and distribution of contributing sources and thus gives us an important key to understand the evolution of galaxies....
Lee, Hyung Mok, Im, Myungshin, Wada, Takehiko, Shim, Hyunjin, Kim, Seong Jin, Lee, Myung Gyoon, ...
We present the properties of 11 $\mu$m selected sources detected in the early data of the North Ecliptic Pole Deep (NEP-Deep) Survey of AKARI. The data set covers 6 wavelength bands from 2.5 to 11...
An Optical Source Catalog of the North Ecliptic Pole Region (2007)
Hwang, Narae, Lee, Myung Gyoon, Lee, Hyung Mok, Im, Myungshin, Kim, Taehyun, Matsuhara, Hideo, ...
We present a five (u*,g',r',i',z') band optical photometry catalog of the sources in the North Ecliptic Pole (NEP) region based on deep observations made with MegaCam at CFHT. The source catalog...
Koo, Bon-Chul, Lee, Ho-Gyu, Moon, Dae-Sik, Lee, Jae-Joon, Seok, Ji Yeon, Lee, Hyung Mok, ...
We present a serendipitous detection of the infrared-bright supernova remnant (SNR) B0104-72.3 in the Small Magellanic Cloud by the Infrared Camera (IRC) onboard AKARI. An elongated, partially...
Imanishi, Masatoshi, Dudley, C. C., Maiolino, Roberto, Maloney, Philip R., Nakagawa, Takao, Risaliti, Guido
We present the results of Spitzer IRS low-resolution infrared 5-35 micron spectroscopy of nearby ultraluminous infrared galaxies (ULIRGs) at z < 0.15. We focus on the search for the signatures of...
The Far-Infrared Surveyor (FIS) for AKARI (2007)
Kawada, Mitsunobu, Baba, Hajime, Barthel, Peter D., Clements, David, Cohen, Martin, Doi, Yasuo, ...
The infrared astronomical mission AKARI (2007)
Murakami, Hiroshi, Baba, Hajime, Barthel, Peter D., Clements, David L., Cohen, Martin, Doi, Yasuo, ...
Deep extragalactic surveys around the Ecliptic Poles with AKARI (ASTRO-F) (2006)
Matsuhara, Hideo, Wada, Takehiko, Matsuura, Shuji, Nakagawa, Takao, Kawada, Mitsunobu, Ohyama, Youichi, ...
AKARI (formerly ASTRO-F) is an infrared space telescope designed for an all-sky survey at 10-180 mum, and deep pointed surveys of selected areas at 2-180 mum. The deep pointed surveys with AKARI will...
Deep Extragalactic Surveys around the Ecliptic Poles with AKARI (ASTRO-F) (2006)
Matsuhara, Hideo, Wada, Takehiko, Matsuura, Shuji, Nakagawa, Takao, Kawada, Mitsunobu, Oyama, Youichi, ...
AKARI (formerly ASTRO-F) is an infrared space telescope designed for an all-sky survey at 10-180 (mu)m, and deep pointed surveys of selected areas at 2-180 (mu)m. The deep pointed surveys with AKARI...
Deep Extragalactic Surveys around the Ecliptic Poles with AKARI (ASTRO-F) (2006)
Matsuhara, Hideo, Wada, Takehiko, Matsuura, Shuji, Nakagawa, Takao, Kawada, Mitsunobu, Oyama, Youichi, ...
AKARI (formerly ASTRO-F) is an infrared space telescope designed for an all-sky survey at 10-180 (mu)m, and deep pointed surveys of selected areas at 2-180 (mu)m. The deep pointed surveys with AKARI...
Far-IR Detection Limits II: Probing Confusion including Source Confusion (2006)
Jeong, Woong-Seob, Pearson, Chris P., Lee, Hyung Mok, Pak, Soojong, Nakagawa, Takao
We present a comprehensive analysis for the determination of the confusion levels for the current and the next generation of far-infrared surveys assuming three different cosmological evolutionary...
Deep Extragalactic Surveys around the Ecliptic Poles with AKARI (ASTRO-F) (2006)
Matsuhara, Hideo, Wada, Takehiko, Matsuura, Shuji, Nakagawa, Takao, Kawada, Mitsunobu, Oyama, Youichi, ...
AKARI (formerly ASTRO-F) is an infrared space telescope designed for an all-sky survey at 10-180 (mu)m, and deep pointed surveys of selected areas at 2-180 (mu)m. The deep pointed surveys with AKARI...
Deep Extragalactic Surveys around the Ecliptic Poles with AKARI (ASTRO-F) (2006)
Matsuhara, Hideo, Wada, Takehiko, Matsuura, Shuji, Nakagawa, Takao, Kawada, Mitsunobu, Oyama, Youichi, ...
AKARI (formerly ASTRO-F) is an infrared space telescope designed for an all-sky survey at 10-180 (mu)m, and deep pointed surveys of selected areas at 2-180 (mu)m. The deep pointed surveys with AKARI...
Large Silicon Abundance in Photodissociation Regions (2005)
Okada, Yoko, Onaka, Takashi, Nakagawa, Takao, Shibai, Hiroshi, Tomono, Daigo, Yui, Yukari Y.
We have made one-dimensional raster-scan observations of the rho Oph and sigma Sco star-forming regions with two spectrometers (SWS and LWS) on board the ISO. In the rho Oph region, [SiII] 35um, [OI]...
Type I ULIRGs: Transition Stage from ULIRGs to QSOs (2005)
Kawakatu, Nozomu, Anabuki, Naohisa, Nagao, Tohru, Umemura, Masayuki, Nakagawa, Takao
We examine whether the ultraluminous infrared galaxies that contain a type I Seyfert nucleus (a type I ULIRG) are in the transition stage from ULIRGs to quasi-stellar objects (QSOs). To inspect this...
Far-IR Detection Limits I: Sky Confusion Due to Galactic Cirrus (2004)
Jeong, Woong-Seob, Lee, Hyung Mok, Pak, Soojong, Nakagawa, Takao, Kwon, Suk Minn, Pearson, Chris P., ...
Fluctuations in the brightness of the background radiation can lead to confusion with real point sources. Such background emission confusion will be important for infrared observations with...
Cryogenic Capacitive Transimpedance Amplifier for Astronomical Infrared Detectors (2004)
Nagata, Hirohisa, Shibai, Hiroshi, Hirao, Takanori, Watabe, Toyoki, Noda, Manabu, Hibi, Yasunori, ...
We have developed a new capacitive transimpedance amplifier (CTIA) that can be operated at 2 K, and have good performance as readout circuits of astronomical far-infrared array detectors. The circuit...
X-ray Evidence for a Buried Active Galactic Nucleus in UGC 5101 (2003)
Imanishi, Masatoshi, Terashima, Yuichi, Anabuki, Naohisa, Nakagawa, Takao
We present X-ray observations of the ultraluminous infrared galaxy, UGC 5101, thought to contain a buried active galactic nucleus (AGN) based on observations in other wavebands. We detected an...
ASTRO-F/FIS Observing Simulation: Detection Limits for Point Sources (2002)
Jeong, Woong-Seob, Pak, Soojong, Lee, Hyung Mok, Nakagawa, Takao, Sohn, Jungjoo, Ahn, Insun, ...
We describe the observing simulation software FISVI (FIS Virtual Instrument), which was developed for the Far-Infrared Surveyor (FIS) that will be on the Japanese infrared astronomy mission ASTRO-F....
ASTRO-F Survey as Input Catalogues for FIRST (2001)
ASTRO-F is the second Japanese space mission for infrared astronomy and is scheduled to be launched into a sun-synchronous polar orbit by the Japanese M-V rocket in February 2004. ASTRO-F has a...
RXTE observation of NGC 6240: a search for the obscured active nucleus (2000)
Ikebe, Yasushi, Leighly, Karen, Tanaka, Yasuo, Nakagawa, Takao, Terashima, Yuichi, Komossa, Stefanie
The wide-band energy spectrum of NGC6240 over the range 0.5-200keV is investigated using the RXTE and ASCA data. The RXTE data provide the spectrum beyond the ASCA range (0.5-10 keV) with significant...
Far-Infrared [C II] Line Survey Observations of the Galactic Plane (1997)
Nakagawa, Takao, Yui, Yukari Yamashita, Doi, Yasuo, Okuda, Haruyuki, Shibai, Hiroshi, Mochizuki, Kenji, ...
We present results of our survey observations of the [C II] 158 micron line emission from the Galactic plane using the Balloon-borne Infrared Carbon Explorer (BICE). Our survey covers a wide area...
Deficit of Far-Infrared [CII] Line Emission toward the Galactic Center (1995)
Nakagawa, Takao, Doi, Yasuo, Yui, Yukari Yamashita, Okuda, Haruyuki, Mochizuki, Kenji, Shibai, Hiroshi, ...
We have observed the [CII] 158 micron line emission from the Galactic plane (-10 deg < l < 25 deg, |b|
Sakurai, Takeshi, Nakagawa, Takao, Mitsuno, Hidefumi, Mori, Hajime, Endo, Yasuhisa, Tanoue, Shintarou, ...
Sex pheromones released by female moths are detected with high specificity and sensitivity in the olfactory sensilla of antennae of conspecific males. Bombykol in the silkmoth Bombyx mori was the...
Sakurai, Takeshi, Nakagawa, Takao, Mitsuno, Hidefumi, Mori, Hajime, Endo, Yasuhisa, Tanoue, Shintarou, ...
Sex pheromones released by female moths are detected with high specificity and sensitivity in the olfactory sensilla of antennae of conspecific males. Bombykol in the silkmoth Bombyx mori was the...