88 citations · 480 across the 21 of their papers we have counts for
22 papers
ATT12: The Antarctic 12-m Terahertz Telescope for Studies of Dusty Galaxies. I. Instrument Sensitivity and Science Forecasts
Koki Wakasugi, Takuya Hashimoto, Nario Kuno +13
We present a feasibility study of the Antarctic 12m Terahertz Telescope (ATT12), a next-generation facility to be constructed at New Dome Fuji in Antarctica, designed to open up th…
ALMA Fragmented Source Catalogue in Orion (FraSCO) I. Outflow interaction within an embedded cluster in OMC-2/FIR3, FIR4, and FIR5
Asako Sato, Satoko Takahashi, Shun Ishii +6
We present a high angular resolution () and wide-field () image of the 1.3-mm continuum, CO( = 2--1) line, and SiO( = 5--4) line emissions toward an…
CARMA-NRO Orion Survey: unbiased survey of dense cores and core mass functions in Orion A
Hideaki Takemura, Fumitaka Nakamura, Héctor G. Arce +15
The mass distribution of dense cores is a potential key to understand the process of star formation. Applying dendrogram analysis to the CARMA-NRO Orion CO (=1--0) data,…
DESHIMA 2.0: development of an integrated superconducting spectrometer for science-grade astronomical observations
Akio Taniguchi, Tom J. L. C. Bakx, Jochem J. A. Baselmans +32
Integrated superconducting spectrometer (ISS) technology will enable ultra-wideband, integral-field spectroscopy for (sub)millimeter-wave astronomy, in particular, for uncovering t…
Super-fast Rotation in the OMC 2/FIR 6b Jet
Yuko Matsushita, Satoko Takahashi, Shun Ishii +4
We present ALMA CO (=2--1) and 1.3 mm continuum observations of the high-velocity jet associated with the FIR 6b protostar located in the Orion Molecular Cloud-2. We detect a ve…
Atomic Carbon [CI] Mapping of the Nearby Galaxy M83
Yusuke Miyamoto, Atsushi Yasuda, Yoshimasa Watanabe +6
Atomic carbon (CI) has been proposed to be a global tracer of the molecular gas as a substitute for CO, however, its utility remains unproven. To evaluate the suitability of CI as…
The Core Mass Function in the Orion Nebula Cluster Region: What Determines the Final Stellar Masses?
Hideaki Takemura, Fumitaka Nakamura, Shuo Kong +29
Applying dendrogram analysis to the CARMA-NRO CO (=1--0) data having an angular resolution of 8", we identified 692 dense cores in the Orion Nebula Cluster (ONC) r…
The CO core mass function toward Orion A: Single-dish observations
Hideaki Takemura, Fumitaka Nakamura, Shun Ishii +6
We have performed an unbiased dense core survey toward the Orion A Giant Molecular Cloud in the CO (=1--0) emission line taken with the Nobeyama Radio Observatory (NRO) 4…
DESHIMA on ASTE: On-sky Responsivity Calibration of the Integrated Superconducting Spectrometer
Tatsuya Takekoshi, Kenichi Karatsu, Junya Suzuki +36
We are developing an ultra-wideband spectroscopic instrument, DESHIMA (DEep Spectroscopic HIgh-redshift MApper), based on the technologies of an on-chip filter-bank and Microwave K…
Nobeyama 45-m Mapping Observations toward Orion A.I. Molecular Outflows
Yoshihiro Tanabe, Fumitaka Nakamura, Takashi Tsukagoshi +9
We conducted an exploration of 12CO molecular outflows in the Orion A giant molecular cloud to investigate outflow feedback using 12CO (J = 1-0) and 13CO (J = 1-0) data obtained by…
Nobeyama 45-m mapping observations toward nearby molecular clouds, Orion A, Aquila Rift, and M17: Project overview
Fumitaka Nakamura, Shun Ishii, Kazuhito Dobashi +16
We carried out mapping observations toward three nearby molecular clouds, Orion A, Aquila Rift, and M17, using a new 100 GHz receiver, FOREST, on the Nobeyama 45-m telescope. In th…
Nobeyama 45 m Mapping Observations toward Orion A. II. Classification of cloud structures and variation of the CO/CO abundance ratio due to far-UV Radiation
Shun Ishii, Fumitaka Nakamura, Yoshito Shimajiri +4
We present results of the classification of cloud structures toward the Orion A Giant Molecular Cloud based on wide-field CO ( = 1--0), CO ( = 1-0), and C$^{18}…
Nobeyama 45-m Mapping Observations toward Orion A. III. Multi-Line Observations toward an Outflow-shocked Region, OMC-2 FIR
Fumitaka Nakamura, Shuri Oyamada, Sachiko Okumura +13
We present the results of mapping observations toward an outflow-shocked region, OMC-2 FIR 4 using the Nobeyama 45-m telescope. We observed the area in CO (), C$^{18}…
First light demonstration of the integrated superconducting spectrometer
Akira Endo, Kenichi Karatsu, Yoichi Tamura +36
Ultra-wideband 3D imaging spectrometry in the millimeter-submillimeter (mm-submm) band is an essential tool for uncovering the dust-enshrouded portion of the cosmic history of star…
The CARMA-NRO Orion Survey: The filamentary structure as seen in CO emission
S. T. Suri, A. Sanchez-Monge, P. Schilke +18
We present an initial overview of the filamentary structure in the Orion A molecular cloud utilizing a high angular and velocity resolution CO(1-0) emission map that was rec…
Expanding CO Shells in the Orion A Molecular Cloud
Jesse R. Feddersen, Héctor G. Arce, Shuo Kong +6
We present the discovery of expanding spherical shells around low to intermediate-mass young stars in the Orion A giant molecular cloud using observations of CO (1-0) and $^…
The CARMA-NRO Orion Survey
Shuo Kong, Héctor G. Arce, Jesse R. Feddersen +35
We present the first results from a new, high resolution, CO(1-0), CO(1-0), and CO(1-0) molecular line survey of the Orion A cloud, hereafter referred to as th…
ALMA [CI] observations toward the central region of a Seyfert galaxy NGC 613
Yusuke Miyamoto, Masumichi Seta, Naomasa Nakai +3
We report ALMA observations of [CI](), CO, and CO () toward the central region of a nearby Seyfert galaxy NGC 613. The very high resolutions of $0…
New 50-m-class single-dish telescope: Large Submillimeter Telescope (LST)
Ryohei Kawabe, Kotaro Kohno, Yoichi Tamura +4
We report on a plan to construct a 50-m-class single-dish telescope, the Large Submillimeter Telescope (LST). The conceptual design and key science behind the LST are presented, to…
A Multi-Line Ammonia Survey of the Galactic Center Region with the Tsukuba 32-m Telescope - I. Observations and Data
Hitoshi Arai, Makoto Nagai, Shinji Fujita +22
We present survey data of the NH3 (J, K) = (1, 1)--(6, 6) lines, simultaneously observed with the Tsukuba 32-m telescope, in the main part of the central molecular zone of the Gala…
Large-scale CO (J=4-3) Mapping toward the Orion-A Giant Molecular Cloud
Shun Ishii, Masumichi Seta, Makoto Nagai +10
We have mapped the Orion-A Giant Molecular Cloud in the CO (J=4-3) line with the Tsukuba 30-cm submillimeter telescope.The map covered a 7.125 deg^2 area with a 9' resolution, incl…
Hot Ammonia in the Center of the Seyfert 2 galaxy NGC 3079
Yusuke Miyamoto, Naomasa Nakai, Masumichi Seta +5
We present the results of ammonia observations toward the center of NGC 3079. The NH3(J, K) = (1, 1) and (2, 2) inversion lines were detected in absorption with the Tsukuba 32-m te…