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Nobeyama Millimeter Array Observations of the Nuclear Starburst of M83: A GMA Scale Correlation between Dense Gas Fraction and Star Formation Efficiency
Kazuyuki Muraoka, Kotaro Kohno, Tomoka Tosaki +6
We present aperture synthesis high-resolution (~ 7" x 3") observations in CO(J=1-0) line, HCN(J=1-0) line, and 95 GHz continuum emission toward the central (~ 1.5 kpc) region of th…
A New 100-GHz Band Front-End System with a Waveguide-Type Dual-Polarization Sideband-Separating SIS Receiver for the NRO 45-m Radio Telescope
Taku Nakajima, Masayuki Kawamura, Kimihiro Kimura +8
We developed a waveguide-type dual-polarization sideband-separating SIS receiver system of the 100-GHz band for the 45-m radio telescope at the Nobeyama Radio Observatory, Japan. T…
On-The-Fly Observing System of the Nobeyama 45-m and ASTE 10-m Telescopes
Tsuyoshi Sawada, Norio Ikeda, Kazuyoshi Sunada +10
We have developed spectral line On-The-Fly (OTF) observing mode for the Nobeyama Radio Observatory 45-m and the Atacama Submillimeter Telescope Experiment 10-m telescopes. Sets of…
Central Spiral Structure of Molecular Gas in Maffei 2
Nario Kuno, Kouichiro Nakanishi, Kazuo Sorai +1
Distribution and kinematics of molecular gas in the central region of the barred spiral galaxy Maffei 2 were investigated using a data set of 12CO(1-0), 12CO(2-1), CS(2-1) lines an…
The 2006 Radio Outburst of a Microquasar Cyg X-3: Observation and Data
M. Tsuboi, T. Tosaki, N. Kuno +22
We present the results of the multi-frequency observations of radio outburst of the microquasar Cyg X-3 in February and March 2006 with the Nobeyama 45-m telescope, the Nobeyama Mi…
Arc-like distribution of high CO(J=3-2)/CO(J=1-0) ratio gas surrounding the central star cluster of the supergiant HII region NGC 604
T. Tosaki, R. Miura, T. Sawada +5
We report the discovery of a high CO(J=3-2)/CO(J=1-0) ratio gas with an arc-like distribution (``high-ratio gas arc'') surrounding the central star cluster of the supergiant HII re…