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20012026
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 32.9k across the 303 of their papers we have counts for

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Showing 2025 · astro-ph.IMShow all

10 papers · 2 filters

astro-ph.IM2025

A Novel Comb Generator for Frequency Phase Transfer

Gabriella Montano, Cheukyu Edward Tong, Dan Marrone

This paper presents the design and testing of a millimeter-wave frequency comb generator developed for the Black Hole Explorer (BHEX) mission, a space Very-Long-Baseline Interferom…

astro-ph.IM2025

A Direct Calibration Algorithm for ADC Interleaving

Chi-kwan Chan, Hina Suzuki, David Forbes +4

We introduce a novel direct calibration algorithm to address phase delay, gain, and offset mismatches in Analog-to-Digital Converter (ADC) time interleaving systems. These mismatch…

astro-ph.IM2025

TIME Commissioning Observations: I. Mapping Dust and Molecular Gas in the Sgr A Molecular Cloud Complex at the Galactic Center

Selina F. Yang, Sophie M. McAtee, Benjamin J. Vaughan +24

We present the processing of an observation of Sagittarius A (Sgr A) with the Tomographic Ionized-carbon Mapping Experiment (TIME), part of the 2021-2022 commissioning run to verif…

astro-ph.IM2025

Development of a planar cable-driven parallel robot for submillimeter and terahertz beam mapping measurements

Evan C. Mayer, Ian N. Lowe, Daniel P. Marrone +20

The spatial sensitivity pattern of millimeter-wavelength receivers is an important diagnostic of performance and is affected by the alignment of coupling optics. Characterization c…

astro-ph.IM2025

An On-Sky Atmospheric Calibration of SPT-SLIM

K. R. Dibert, M. Adamic, A. J. Anderson +26

We present the methodology and results of the on-sky responsivity calibration of the South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM). SPT-SLIM is a pathfinder line…

astro-ph.IM2025

Design and Performance of the SPT-SLIM Receiver Cryostat

M. R. Young, M. Adamic, A. J. Anderson +28

The South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM) is a millimeter-wavelength line-intensity mapping experiment, which was deployed on the South Pole Telescope (SP…

astro-ph.IM2025

Dual Band Receiver Design for the Black Hole Explorer (BHEX) Mission

Cheukyu Edward Tong, Keara Carter, Paul Grimes +6

A dual band receiver has been designed for the Black Hole Explorer (BHEX) mission, which is a space Very-Long Baseline Interferometry (VLBI) mission concept, aimed at unveiling the…

astro-ph.IM2025

TES Bolometer Design and Testing for the Tomographic Ionized-carbon Mapping Experiment Millimeter Array

Victoria L. Butler, James J. Bock, Dongwoo T. Chung +7

Transition Edge Sensor (TES) bolometers are a well-established technology with a strong track record in experimental cosmology, making them ideal for current and future radio astro…

astro-ph.IM2025

Spectral characterization and performance of SPT-SLIM on-chip filterbank spectrometers

C. S. Benson, K. Fichman, M. Adamic +26

The South Pole Telescope Shirokoff Line Intensity Mapper (SPT-SLIM) experiment is a pathfinder for demonstrating the use of on-chip spectrometers for millimeter (mm) Line Intensity…

astro-ph.IM2025

Antenna Technology Readiness for the Black Hole Explorer (BHEX) Mission

T. K. Sridharan, R. Lehmensiek, S. Schwarz +1

The Black Hole Explorer (BHEX) will be the first sub-mm wavelength Space Very-Long-Baseline Interferometry (VLBI) mission. It targets astronomical imaging with the highest ever spa…