205 citations · 830 across the 41 of their papers we have counts for
41 papers
Molecular and Atomic Gas Associated with the Gamma Ray Supernova Remnant RCW 103
H. Inoue, Y. Asano, R. G. Bhuvana +15
We present a study of the interstellar molecular and atomic gas associated with the gamma-ray supernova remnant (SNR) RCW 103 using the Mopra CO( = 1-0), Atacama Large Mi…
Cosmic-ray-driven enhancement of the C/CO abundance ratio in W51C
Mitsuyoshi Yamagishi, Kenji Furuya, Hidetoshi Sano +5
We examine spatial variations of the C/CO abundance ratio () in the vicinity of the -ray supernova remnant W51C, based on [CI] (-), C…
Evidence for a gamma-ray molecular target in the enigmatic PeVatron candidate LHAASO J2108+5157
Eduardo de la Fuente, Ivan Toledano-Juárez, Kazumasa Kawata +11
To determine the nature of the PeVatron's emission (hadronic or leptonic), it is essential to characterize the physical parameters of the environment from where it originates. We u…
ALCHEMI finds a "shocking" carbon footprint in the starburst galaxy NGC~253
Nanase Harada, Sergio Martin, Jeff Mangum +15
Centers of starburst galaxies may be characterized by a specific gas and ice chemistry due to their gas dynamics and the presence of various ice desorption mechanisms. This may res…
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…
ALMA view of the Ophiuchi A PDR with a 360-au beam: the [CI] emission originates from the plane-parallel PDR and extended gas
Mitsuyoshi Yamagishi, Yoshito Shimajiri, Kazuki Tokuda +5
We present the results of data analysis of the [CI] (-) emission from the Ophiuchi A photon-dominated region (PDR) obtained in the ALMA ACA stand-alone mo…
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…
Nobeyama 45-m Cygnus X CO Survey: II Physical Properties of Clumps
Tatsuya Takekoshi, Shinji Fujita, Atsushi Nishimura +6
We report the statistical physical properties of the CO() clumps present in a prominent cluster-forming region, Cygnus X, using the dataset obtained by the Nobeyama 4…
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…
ALMA observations of layered structures due to CO selective dissociation in the Ophiuchi A plane-parallel PDR
M. Yamagishi, C. Hara, R. Kawabe +7
We analyze CO(=2-1), CO(=2-1), CO (=2-1), and 1.3 mm continuum maps of the Ophiuchi A photo-dissociation region (PDR) obtained with ALMA. Layered…
A systematic study of ULIRGs using near-infrared absorption bands reveals a strong UV environment in their star-forming regions
Ryosuke Doi, Takao Nakagawa, Naoki Isobe +3
We present a systematic study of the 3.0 um H2O ice and the 3.4 um aliphatic carbon absorption features toward 48 local ultraluminous infrared galaxies (ULIRGs) using spectra obtai…
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…
AKARI mid-infrared slit-less spectroscopic catalogue
Mitsuyoshi Yamagishi, Issei Yamamura, Toshiyuki Mizuki +4
AKARI/IRC has a capability of the slit-less spectroscopy in the mid-infrared (5--13 m) over a 10 arcmin10 arcmin area with a spectral resolution of 50, which is suitable…
Revised Wavelength and Spectral Response Calibrations for AKARI Near-Infrared Grism Spectroscopy: Post-Cryogenic Phase
Shunsuke Baba, Takao Nakagawa, Fumihiko Usui +2
We present a new calibration for the second-order light contamination in the near-infrared grism spectroscopy with the Infrared Camera aboard AKARI, specifically for the post-cryog…
Molecular gas in a Spitzer bubble N4: possible evidence for cloud-cloud collisions as a trigger of massive star formation
Shinji Fujita, Kazufumi Torii, Kengo Tachihara +18
Herein, we present the 12CO (J=1-0) and 13CO (J=1-0) emission line observations via the FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) towar…
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…
Nobeyama 45m Cygnus-X CO survey I: photodissociation of molecules revealed by the unbiased large-scale CN and CO maps
M. Yamagishi, A. Nishimura, S. Fujita +6
We present an unbiased large-scale (9 deg) CN (=1-0) and CO (=1-0) survey of Cygnus-X conducted with the Nobeyama 45m Cygnus-X CO survey. CN and CO are dete…
Massive star formation in W51A triggered by cloud-cloud collisions
Shinji Fujita, Kazufumi Torii, Nario Kuno +18
W51A is one of the most active star-forming region in our Galaxy, which contains giant molecular clouds with a total mass of 10^6 Msun. The molecular clouds have multiple velocity…
Unbiased large spectroscopic surveys of galaxies selected by SPICA using dust bands
H. Kaneda, D. Ishihara, S. Oyabu +27
The mid-infrared (IR) range contains many spectral features associated with large molecules and dust grains such as polycyclic aromatic hydrocarbons (PAHs) and silicates. These are…
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…
FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) I: Project Overview and Initial Results
Tomofumi Umemoto, Tetsuhiro Minamidani, Nario Kuno +41
The FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) project is one of the legacy projects using the new multi-beam FOREST receiver installed…
FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) 2: Possible evidence for formation of NGC~6618 cluster in M17 by cloud-cloud collision
Atsushi Nishimura, Tetsuhiro Minamidani, Tomofumi Umemoto +15
We present CO 1--0, CO 1--0 and CO 1--0 images of the M17 giant molecular clouds obtained as part of FUGIN (FOREST Ultra-wide Galactic Plane Survey…
FOREST Unbiased Galactic plane Imaging survey with the Nobeyama 45-m telescope (FUGIN) : Molecular clouds toward W33 ; possible evidence for a cloud-cloud collision triggering O star formation
Mikito Kohno, Kazufumi Torii, Kengo Tachihara +14
We observed molecular clouds in the W33 high-mass star-forming region associated with compact and extended HII regions using the NANTEN2 telescope as well as the Nobeyama 45-m tele…
RCW 36 in the Vela Molecular Ridge: Evidence for a high-mass star cluster formation triggered by Cloud-Cloud Collision
Hidetoshi Sano, Rei Enokiya, Katsuhiro Hayashi +21
A collision between two molecular clouds is one possible candidate for high-mass star formation. The HII region RCW 36, located in the Vela molecular ridge, contains a young star c…