27 citations · 191 across the 25 of their papers we have counts for
26 papers
AKARI near-infrared spectroscopy of circumstellar hydrocarbon dust associated with young stellar objects
Yuki Kuroda, Hidehiro Kaneda, Natsuko Izumi +2
We investigate the processing of the circumstellar polycyclic aromatic hydrocarbons (PAHs) associated with young stellar objects (YSOs) through their stellar activities. We analyze…
A systematic study of CO/SiO absorption features in early-type galaxies using AKARI/IRC near-infrared spectra
Eiko Kozaki, Takuma Kokusho, Keiji Nakayama +5
The origin of dust in early-type galaxies (ETGs) remains a long-standing question, with proposed sources being mass loss from evolved stars, galaxy mergers, or grain growth in the…
A systematic study on the aromatic and aliphatic hydrocarbon emission features of nearby galaxies using AKARI near-IR spectra
Tsubasa Kondo, Hidehiro Kaneda, Shinki Oyabu +7
Interstellar hydrocarbon dust containing aromatic and aliphatic hydrocarbons, like polycyclic aromatic hydrocarbons (PAHs), is believed to be processed by various factors including…
Near-infrared [P II] and [Fe II] line mapping of Galactic supernova remnants
Takuma Kokusho, Yuki Katsurada, Yong-Hyun Lee +7
Phosphorus (P) is one of the key ingredients for life, yet its origins in galaxies remain poorly understood. In order to investigate the production of P by supernovae, we performed…
A systematic study on the properties of aromatic and aliphatic hydrocarbon dust in active galactic nuclei with AKARI near-infrared spectroscopy
Risako Katayama, Hidehiro Kaneda, Takuma Kokusho +4
Recent near- and mid-infrared (IR) observations reveal the existence of appreciable amounts of aromatic and aliphatic hydrocarbon dust in the harsh environments of active galactic…
Processing of hydrocarbon dust in star-forming galaxies revealed with AKARI
Tsubasa Kondo, Akino Kondo, Katsuhiro L. Murata +5
Hydrocarbon dust is one of the dominant components of interstellar dust, which mainly consists of polycyclic aromatic hydrocarbons and aliphatic hydrocarbons. While hydrocarbon dus…
Properties of star formation of the Large Magellanic Cloud as probed by young stellar objects
Takuma Kokusho, Hiroki Torii, Hidehiro Kaneda +2
We perform a systematic study of evolutionary stages and stellar masses of young stellar objects (YSOs) in the Large Magellanic Cloud (LMC) to investigate properties of star format…
Spitzer/IRS full spectral modeling to characterize mineralogical properties of silicate dust in heavily obscured AGNs
T. Tsuchikawa, H. Kaneda, S. Oyabu +3
Mid-Infrared (IR) silicate dust bands observed in heavily obscured active galactic nuclei (AGNs) include information on the mineralogical properties of silicate dust. We aim to inv…
Three-dimensional geometry and dust/gas ratios in massive star forming regions over the entire LMC as revealed by IRSF/SIRIUS survey
Takuya Furuta, Hidehiro Kaneda, Takuma Kokusho +3
We derive the entire dust extinction (Av) map for the Large Magellanic Cloud (LMC) estimated from the color excess at near-infrared wavelengths. Using the percentile method we rece…
Infrared Absorption and its Sources of CdZnTe at Cryogenic Temperature
Hiroshi Maeshima, Kosei Matsumoto, Yasuhiro Hirahara +10
To reveal the infrared absorption causes in the wavelength region between electronic and lattice absorptions, we measured the temperature dependence of the absorption coefficient o…
Investigation of the Physical Origin of Overionized Recombining Plasma in the Supernova Remnant IC 443 with XMM-Newton
Hiromichi Okon, Takaaki Tanaka, Hiroyuki Uchida +4
The physical origin of the overionized recombining plasmas (RPs) in supernova remnants (SNRs) has been attracting attention because its understanding provides new insight into SNR…
Three-dimensional dust geometry of the LMC HI ridge region as revealed by the IRSF/SIRIUS survey
Takuya Furuta, Hidehiro Kaneda, Takuma Kokusho +3
We present a new method to evaluate the dust extinction (AV) along the line of sight using the InfraRed Survey Facility (IRSF) near-infrared (NIR) data of the Large Magellanic Clou…
A systematic study of silicate absorption features in heavily obscured AGNs observed by Spitzer/IRS
T. Tsuchikawa, H. Kaneda, S. Oyabu +4
Heavily obscured active galactic nuclei (AGNs) are known to show deep silicate absorption features in the mid-infrared (IR) wavelength range of 10--20~m. The detailed profiles o…
Hydrogen recombination near-infrared line mapping of Centaurus A with IRSF/SIRIUS
R. Katayama, H. Kaneda, T. Kokusho +5
Centaurus A (Cen A) is one of the most famous galaxies hosting an active galactic nucleus (AGN), where the interaction between AGN activities and surrounding interstellar and inter…
Near-infrared [FeII] and H2 line mapping of the supernova remnant IC443 with the IRSF/SIRIUS
Takuma Kokusho, Hiroki Torii, Takahiro Nagayama +4
We investigate properties of the interstellar medium (ISM) interacting with shocks around the Galactic supernova remnant IC443, using the results of near-infrared [FeII] and H2 lin…
Pixel-based spectral characterization of mid-infrared Si array detectors for astronomical observations in space
Takuro Tsuchikawa, Hidehiro Kaneda, Daisuke Ishihara +2
Mid-infrared (IR) array detectors have been used for astronomical observations in space. However, the uniformities of their spectral response curves have not been investigated in d…
A systematic study of Galactic infrared bubbles along the Galactic plane with AKARI and Herschel. II. Spatial distributions of dust components around the bubbles
Misaki Hanaoka, Hidehiro Kaneda, Toyoaki Suzuki +7
Galactic infrared (IR) bubbles, which can be seen as shell-like structures at mid-IR wavelengths, are known to possess massive stars within their shell boundaries. In our previous…
Extinction and dust/gas ratio in the H I ridge region of the LMC based on the IRSF/SIRIUS near-infrared survey
Takuya Furuta, Hidehiro Kaneda, Takuma kokusho +4
We present a dust extinction AV map of the Large Magellanic Cloud (LMC) in the H I ridge region using the IRSF near-infrared (IR) data, and compare the AV map with the total hydrog…
Near- to mid-infrared spectroscopy of the heavily obscured AGN LEDA 1712304 with AKARI/IRC
T. Tsuchikawa, H. Kaneda, S. Oyabu +5
Context. Although heavily obscured active galactic nuclei (AGNs) have been found by many observational studies, the properties of the surrounding dust are poorly understood. Using…
Dust properties in the cold and hot gas phases of the ATLAS3D early-type galaxies as revealed by AKARI
T. Kokusho, H. Kaneda, M. Bureau +6
The properties of the dust in the cold and hot gas phases of early-type galaxies (ETGs) are key to understand ETG evolution. We thus conducted a systematic study of the dust in a l…
A systematic study of Galactic infrared bubbles along the Galactic plane with AKARI and Herschel
Misaki Hanaoka, Hidehiro Kaneda, Toyoaki Suzuki +7
Galactic infrared (IR) bubbles, which have shell-like structures in the mid-IR wavelengths, are known to contain massive stars near their centers. IR bubbles in inner Galactic regi…
Enhanced dust emissivity power-law index along the western H filament of NGC 1569
Toyoaki Suzuki, Hidehiro Kaneda, Takashi Onaka +4
We used a data set from AKARI and Herschel images at wavelengths from 7 m to 500 m to catch the evidence of dust processing in galactic winds in NGC 1569. Images show a diffu…
A Relationship of Polycyclic Aromatic Hydrocarbon Features with Galaxy Merger in Star-forming Galaxies at
Katsuhiro L. Murata, Rika Yamada, Shinki Oyabu +5
Using the AKARI, Wide-field Infrared Survey Explorer (WISE), Infrared Astronomical Satellite (IRAS), Sloan Digital Sky Survey (SDSS) and Hubble Space Telescope (HST) data, we inves…
A star formation study of the ATLAS3D early-type galaxies with the AKARI all-sky survey
Takuma Kokusho, Hidehiro Kaneda, Martin Bureau +4
The star formation properties of early-type galaxies (ETGs) are currently the subject of considerable interest, particularly whether they differ from those of gas-rich spirals. We…