activity
20072026
most citedSubmillimeter ALMA Observations of the Dense Gas in the Low-Luminosity Type-1 Active Nucleus of NGC 1097

89 citations · 851 across the 29 of their papers we have counts for

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8 papers · 1 filter

astro-ph.IM2026

A Wideband Millimeter-wave Receiver at 210-350 GHz for LMT-FINER

Haoran Kang, Takafumi Kojima, Takeshi Sakai +9

The Far-Infrared Nebular Emission Receiver (FINER) project is developing two wideband dual-polarization sideband-separating receivers covering 120-210 GHz and 210-350 GHz to effici…

astro-ph.IM2026

FINER: development of the wideband millimeter-wave receiver system and preparations for first light on the Large Millimeter Telescope

Akio Taniguchi, Yoichi Tamura, Takeshi Sakai +38

The recent discovery of an excess of luminous galaxies in the early Universe necessitates sensitive and wideband millimeter spectroscopy to understand their rapid growth. To addres…

astro-ph.IM2024

A 10.24-GHz-wide digital spectrometer array system for LMT-FINER: system design and laboratory performance verification

Masato Hagimoto, Akio Taniguchi, Yoichi Tamura +10

For efficient spectroscopic redshift identification of early galaxies in the northern hemisphere, we aim to combine the Large Millimeter Telescope (LMT) with a wide-band heterodyne…

astro-ph.IM2024

FINER: Far-Infrared Nebular Emission Receiver for the Large Millimeter Telescope

Yoichi Tamura, Takeshi Sakai, Ryohei Kawabe +34

Unveiling the emergence and prevalence of massive/bright galaxies during the epoch of reionization and beyond, within the first 600 million years of the Universe, stands as a pivot…

astro-ph.IM2020★ 6 cited

Waveguide-Type Multiplexer for Multiline Observation of Atmospheric Molecules using Millimeter-Wave Spectroradiometer

Taku Nakajima, Kohei Haratani, Akira Mizuno +5

In order to better understand the variation mechanism of ozone abundance in the middle atmosphere, the simultaneous monitoring of ozone and other minor molecular species, which are…

astro-ph.IM2018★ 11 cited

Series-connected array of superconductor-insulator-superconductor junctions in the 100-GHz band heterodyne mixer for FOREST on the Nobeyama 45-m telescope

Taku Nakajima, Hirofumi Inoue, Yumi Fujii +5

In this study, we designed and experimentally evaluated a series-connected array of superconductor-insulator-superconductor (SIS) junctions in the 100-GHz band mixer for the multi-…

astro-ph.IM2015★ 21 cited

Z45: A New 45-GHz Band Dual-Polarization HEMT Receiver for the NRO 45-m Radio Telescope

Fumitaka Nakamura, Hideo Ogawa, Yoshinori Yonekura +20

We developed a dual-linear-polarization HEMT (High Electron Mobility Transistor) amplifier receiver system of the 45-GHz band (hereafter Z45), and installed it in the Nobeyama 45-m…

astro-ph.IM2013★ 45 cited

A New 100-GHz Band Two-Beam Sideband-Separating SIS Receiver for Z-Machine on the NRO 45-m Radio Telescope

Taku Nakajima, Kimihiro Kimura, Atsushi Nishimura +11

We have developed a two-beam waveguide-type dual-polarization sideband-separating SIS receiver system in the 100-GHz band for {\it z}-machine on the 45-m radio telescope at the Nob…