1.9k citations · 2.4k across the 19 of their papers we have counts for
19 papers
First Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way
The Event Horizon Telescope Collaboration
We present the first Event Horizon Telescope (EHT) observations of Sagittarius A* (Sgr A), the Galactic center source associated with a supermassive black hole. These observati…
The Greenland Telescope: Construction, Commissioning, and Operations in Pituffik
Ming-Tang Chen, Keiichi Asada, Satoki Matsushita +51
In 2018, the Greenland Telescope (GLT) started scientific observation in Greenland. Since then, we have completed several significant improvements and added new capabilities to the…
A ring-like accretion structure in M87 connecting its black hole and jet
Ru-Sen Lu, Keiichi Asada, Thomas P. Krichbaum +118
The nearby radio galaxy M87 is a prime target for studying black hole accretion and jet formation^{1,2}. Event Horizon Telescope observations of M87 in 2017, at a wavelength of 1.3…
Metal Mesh IR Filter for wSMA
Chao-Te Li, C. -Y. E. Tong, Ming-Jye Wang +6
Since the start of full science operations from 2004, the Submillimeter Array has been implementing plans to expand IF bandwidths and upgrade receivers and cryostats. Metal mesh lo…
Development of digital sideband separating down-conversion for Yuan-Tseh Lee Array
Chao-Te Li, Derek Kubo, Jen-Chieh Cheng +5
This report presents a down-conversion method involving digital sideband separation for the Yuan Tseh Lee Array to double the processing bandwidth. The receiver consists of a MMIC…
BURSTT: Bustling Universe Radio Survey Telescope in Taiwan
Hsiu-Hsien Lin, Kai-yang Lin, Chao-Te Li +44
Fast Radio Bursts (FRBs) are bright millisecond-duration radio transients that appear about 1,000 times per day, all-sky, for a fluence threshold 5 Jy ms at 600 MHz. The FRB radio-…
AMiBA: Cluster Sunyaev-Zel'dovich Effect Observations with the Expanded 13-Element Array
Kai-Yang Lin, Hiroaki Nishioka, Fu-Cheng Wang +35
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is a co-planar interferometer array operating at a wavelength of 3mm to measure the Sunyaev-Zeldovich effect (SZ…
Platform Deformation Phase Correction for the AMiBA-13 Co-planar Interferometer
Yu-Wei Liao, Kai-Yang Lin, Yau-De Huang +17
We present a new way to solve the platform deformation problem of co-planar interferometers. The platform of a co-planar interferometer can be deformed due to driving forces and gr…
1.2 Meter Shielded Cassegrain Antenna for Close-Packed Radio Interferometer
Patrick M. Koch, Philippe Raffin, Yau-De Huang +17
Interferometric millimeter observations of the cosmic microwave background and clusters of galaxies with arcmin resolutions require antenna arrays with short spacings. Having all a…
Contamination of the Central Sunyaev--Zel'dovich Decrements in AMiBA Galaxy Cluster Observations
Guo-Chin Liu, Mark Birkinshaw, Jiun-Huei Proty Wu +26
We investigate the contamination of the Sunyaev--Zel'dovich (SZ) effect for six galaxy clusters, A1689, A1995, A2142, A2163, A2261, and A2390, observed by the Y. T. Lee Array for M…
AMiBA Wideband Analog Correlator
Chao-Te Li, Derek Y. Kubo, Warwick Wilson +27
A wideband analog correlator has been constructed for the Yuan-Tseh Lee Array for Microwave Background Anisotropy. Lag correlators using analog multipliers provide large bandwidth…
AMiBA: Sunyaev-Zel'dovich effect derived properties and scaling relations of massive galaxy clusters
Yu-Wei Liao, Jiun-Huei Proty Wu, Paul T. P. Ho +27
The Sunyaev-Zel'dovich Effect (SZE) has been observed toward six massive galaxy clusters, at redshifts 0.091 \leq z \leq 0.322 in the 86-102 GHz band with the Y. T. Lee Array for M…
AMiBA: scaling relations between the integrated Compton-y and X-ray derived temperature, mass, and luminosity
Chih-Wei Locutus Huang, Jiun-Huei Proty Wu, Paul T. P. Ho +27
We investigate the scaling relations between the X-ray and the thermal Sunyaev-Zel'dovich Effect (SZE) properties of clusters of galaxies, using data taken during 2007 by the Y.T.…
AMiBA: Broadband Heterodyne CMB Interferometry
Ming-Tang Chen, Chao-Te Li, Yuh-Jing Hwang +28
The Y. T. Lee Array for Microwave Background (AMiBA) has reported the first science results on the detection of galaxy clusters via the Sunyaev Zel'dovich effect. The science objec…
AMiBA: System Performance
Kai-Yang Lin, Chao-Te Li, Paul T. P. Ho +29
The Y.T. Lee Array for Microwave Background Anisotropy (AMiBA) started scientific operation in early 2007. This work describes the optimization of the system performance for the me…
The AMiBA Hexapod Telescope Mount
Patrick M. Koch, Michael Kesteven, Hiroaki Nishioka +35
AMiBA is the largest hexapod astronomical telescope in current operation. We present a description of this novel hexapod mount with its main mechanical components -- the support co…
Tests of AMiBA Data Integrity
Hiroaki Nishioka, Fu-Cheng Wang, Jiun-Huei Proty Wu +26
We describe methods used to validate data from the Y.T. Lee Array for Microwave Background Anisotropy (AMiBA), an interferometric array designed to measure the Sunyaev-Zel'dovich e…
The Yuan-Tseh Lee Array for Microwave Background Anisotropy
Paul T. P. Ho, Pablo Altamirano, Chia-Hao Chang +52
The Yuan-Tseh Lee Array for Microwave Background Anisotropy (AMiBA) is the first interferometer dedicated to studying the cosmic microwave background (CMB) radiation at 3mm wavelen…
Mass and Hot Baryons in Massive Galaxy Clusters from Subaru Weak Lensing and AMiBA SZE Observations
Keiichi Umetsu, Mark Birkinshaw, Guo-Chin Liu +30
We present a multiwavelength analysis of a sample of four hot (T_X>8keV) X-ray galaxy clusters (A1689, A2261, A2142, and A2390) using joint AMiBA Sunyaev-Zel'dovich effect (SZE) an…