Yutaka Hasegawa

发表

First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

S. T. Timmer, Chih-Wei L. Huang, Alexander W. Raymond, 2019, 1906.11238.

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Kevin A. Dudevoir, Daniel C. M. Palumbo, S. T. Timmer, 2019, 1906.11239.

High-mass star formation in Orion B triggered by cloud–cloud collision: Merging molecular clouds in NGC 2024

Y. Fukui, K. Torii, Yutaka Hasegawa, 2017, Publications of the Astronomical Society of Japan.

Developing 230 GHz Dual Circular Polarization and Sideband Separation Cartridge Receiver for submillimeter band VLBI Observations

Yutaka Hasegawa, 2019 .

A balloon-borne very long baseline interferometry experiment in the stratosphere: Systems design and developments

M. Narita, H. Shibai, Kazuya Saito, 2018, Advances in Space Research.

Mars submillimeter sensor on microsatellite: sensor feasibility study

S. Nakasuka, H. Maezawa, P. Hartogh, 2018, Geoscientific Instrumentation, Methods and Data Systems.

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

Daniel C. M. Palumbo, S. T. Timmer, Chih-Wei L. Huang, 2020 .

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

Development of a new wideband heterodyne receiver system for the Osaka 1.85 m mm–submm telescope: Receiver development and the first light of simultaneous observations in 230 GHz and 345 GHz bands with an SIS-mixer with 4–21 GHz IF output

S. Masui, Alvaro Gonzalez, K. Uemizu, 2021, 2105.07786.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Marcos Emir Moreno Nolasco, Chih-Wei L. Huang, P. K. Leung, 2022, The Astrophysical Journal Letters.

High-mass star formation possibly triggered by cloud-cloud collision in the H II region RCW 34

K. Hayashi, Y. Fukui, K. Torii, 2017, 1706.05871.

RCW 36 in the Vela Molecular Ridge: Evidence for high-mass star-cluster formation triggered by cloud-cloud collision

K. Hayashi, Y. Fukui, S. Yoshiike, 2017, 1706.05763.

A new view of the giant molecular cloud M16 (Eagle Nebula) in 12CO J=1-0 and 2-1 transitions with NANTEN2

Y. Fukui, K. Torii, Yutaka Hasegawa, 2017, 1706.06002.

Event Horizon Telescope Results . I . the Shadow of the Supermassive Black Hole

Kevin A. Dudevoir, Alexander W. Raymond, B. Benson, 2019 .

210–365 GHz 90° Differential Phase Shifter for Wideband Circular Polarizer

Toshikazu Onishi, Yutaka Hasegawa, H. Ogawa, 2022, IEEE Transactions on Terahertz Science and Technology.

Experimental demonstration of deformable reflector antenna system with high accuracy deformation measurement

M. Fujigaki, T. Iwasa, N. Kogiso, 2022, Acta Astronautica.

The Hitachi and Takahagi 32 m radio telescopes: Upgrade of the antennas from satellite communication to radio astronomy

A. Miyazaki, H. Kobayashi, Y. Murata, 2016 .

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

D. Iono, S. Kameno, R. Kawabe, 2015, 1509.02631.

CLUSTER FORMATION TRIGGERED BY FILAMENT COLLISIONS IN SERPENS SOUTH

D. Iono, S. Kameno, H. Maezawa, 2014, 1407.1235.

Detailed CO ($J$ = 1--0, 2--1 and 3--2) observations toward an H{\sc ii} region RCW~32 in the Vela Molecular Ridge

K. Hayashi, Y. Fukui, K. Torii, 2017, 1711.00722.

The Greenland telescope: Thule operations

Yutaka Hasegawa, Masanori Nakamura, Geoffrey Bower, 2018, Astronomical Telescopes + Instrumentation.

Development of the new multi-beam 100 GHz band SIS receiver FOREST for the Nobeyama 45-m Telescope

Yutaka Hasegawa, Masao Saito, Yasunori Fujii, 2016, Astronomical Telescopes + Instrumentation.

Novel 500-GHz Band Waveguide Stepped Septum-Type Circular Polarizer with a New High-Accuracy and Very Small Waveguide Flange

Hiroyuki Maezawa, Hideo Ogawa, Yutaka Hasegawa, 2020, Journal of Infrared, Millimeter, and Terahertz Waves.

A New Approach to Suppress the Effect of Machining Error for Waveguide Septum Circular Polarizer at 230 GHz Band in Radio Astronomy

Kimihiro Kimura, Atsushi Nishimura, Hideo Ogawa, 2017 .

Current status and future plan of Osaka Prefecture University 1.85-m mm-submm telescope project

Hiroshi Kondo, Hiroyuki Maezawa, Atsushi Nishimura, 2020, Astronomical Telescopes + Instrumentation.

A ring-like accretion structure in M87 connecting its black hole and jet

Chih-Wei L. Huang, P. Koch, Y. Huang, 2023, Nature.

First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

Daniel C. M. Palumbo, Marcos Emir Moreno Nolasco, Michael F. Wondrak, 2023, 2311.08680.

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019 .

First M87 Event Horizon Telescope Results. II. Array and Instrumentation

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2019, 1906.11239.

Event Horizon Telescope imaging of the archetypal blazar 3C 279 at an extreme 20 microarcsecond resolution

Daniel C. M. Palumbo, Chih-Wei L. Huang, Alexander W. Raymond, 2020 .

Observational demonstration of a high image rejection SIS mixer receiver using a new waveguide filter at 230 GHz

Kimihiro Kimura, Hideo Ogawa, Yutaka Hasegawa, 2017 .

A Novel Compact Low Loss Waveguide Image Rejection Filter Based on a Backward Coupler with Band Pass Filters for 100 GHz Band

S. Asayama, Yutaka Hasegawa, H. Ogawa, 2015 .