output
19962026
most citedGW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

9.8k citations

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99 papers · 1 filter

astro-ph.IM2026

AO3k + SCExAO: on-sky wavefront quality and demonstration of novel WFS techniques with the double XAO system

Julien Lozi, Kyohoon Ahn, Vincent Deo +5

The Subaru Coronagraphic Extreme Adaptive Optics (SCExAO) system, fed by its upstream 3000-actuator "woofer" (AO3k), serves both as a platform for high contrast imaging (HCI) techn…

astro-ph.IM2026★ 1 cited

A High-frequency Geodetic VLBI Experiment for Optical Clock Comparison

Monia Negusini, Myoung-Sun Heo, Cecilia Clivati +40

An intercontinental metrological clock comparison between Italy and the Republic of Korea was performed by means of geodetic K-band VLBI observations. The comparison involved the h…

astro-ph.IM2026

Spectral Map Making with SPHEREx

Ari J. Cukierman, Shuang-Shuang Chen, Jae Hwan Kang +24

We present map-making methodologies and preliminary spectral data cubes for SPHEREx, a NASA Explorer mission that launched in March 2025 and has been performing an all-sky near-inf…

astro-ph.IM2026★ 4 cited

Spectral response of SPHEREx

Howard Hui, Jamie Bock, Samuel Condon +31

The Spectro Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer (SPHEREx) is conducting the first all-sky near infrared spectral survey spanning 0.…

astro-ph.IM2025★ 33 cited

The SPHEREx Satellite Mission

James J. Bock, Asad M. Aboobaker, Joseph Adamo +111

SPHEREx, a NASA explorer satellite launched on 11 March 2025, is carrying out the first all-sky near-infrared spectral survey. The satellite observes in 102 spectral bands from 0.7…

astro-ph.IM2025★ 7 cited

Experimental and on-sky demonstration of spectrally dispersed wavefront sensing using a photonic lantern

Jonathan Lin, Michael P. Fitzgerald, Yinzi Xin +12

Adaptive optics systems are critical in any application where highly resolved imaging or beam control must be performed through a dynamic medium. Such applications include astronom…

astro-ph.IM2025★ 9 cited

Square Kilometre Array Science Data Challenge 3a: foreground removal for an EoR experiment

A. Bonaldi, P. Hartley, R. Braun +179

We present and analyse the results of the Science data challenge 3a (SDC3a, https://sdc3.skao.int/challenges/foregrounds), an EoR foreground-removal community-wide exercise organis…

astro-ph.IM2025★ 8 cited

10 Years of Archival High-Resolution NIR Spectra: The Raw and Reduced IGRINS Spectral Archive (RRISA)

Erica Sawczynec, Kyle F. Kaplan, Gregory N. Mace +20

The Immersion GRating INfrared Spectrometer (IGRINS) is a compact, high-resolution (R~45,000) near-infrared spectrograph spanning 1.45 to 2.45 um in a single exposure. We introduce…

astro-ph.IM2025★ 1 cited

Enhanced imaging of M87*: Simulations with the EHT and extended-KVN

Ilje Cho, Jongho Park, Do-Young Byun +16

The Event Horizon Telescope (EHT) has successfully revealed the shadow of the supermassive black hole, M87*, with an unprecedented angular resolution of approximately 20 uas at 230…

astro-ph.IM2025★ 1 cited

Optical frequency comb integration in radio telescopes: advancing signal generation and phase calibration

Minji Hyun, Changmin Ahn, Junyong Choi +8

Very long baseline interferometry (VLBI) enables high-angular-resolution observations in astronomy and geodesy by synthesizing a virtual telescope with baselines spanning hundreds…

astro-ph.IM2024★ 30 cited

First Very Long Baseline Interferometry Detections at 870μm

Alexander W. Raymond, Sheperd S. Doeleman, Keiichi Asada +276

The first very long baseline interferometry (VLBI) detections at 870m wavelength (345GHz frequency) are reported, achieving the highest diffraction-limited angular resolutio…

astro-ph.IM2024★ 33 cited

Selective Dynamical Imaging of Interferometric Data

Joseph Farah, Peter Galison, Kazunori Akiyama +16

Recent developments in very long baseline interferometry (VLBI) have made it possible for the Event Horizon Telescope (EHT) to resolve the innermost accretion flows of the largest…

astro-ph.IM2024★ 4 cited

Spectroscopy using a visible photonic lantern at the Subaru telescope: Laboratory characterization and first on-sky demonstration on Ikiiki (α Leo) and `Aua (α Ori)

Sébastien Vievard, Manon Lallement, Sergio Leon-Saval +23

Photonic lanterns are waveguide devices enabling high throughput single mode spectroscopy and high angular resolution. We aim to present the first on-sky demonstration of a photoni…

astro-ph.IM2024

Commissioning the CMB polarization telescope GroundBIRD with the full set of detectors

Miku Tsujii, Jochem J. A. Baselmans, Jihoon Choi +39

GroundBIRD is a ground-based cosmic microwave background (CMB) experiment for observing the polarization pattern imprinted on large angular scales ( ) from the Teide Obse…

astro-ph.IM2024

Telescope control software and proto-model siderostat for the SDSS-V Local Volume Mapper

Hojae Ahn, Florian Briegel, Jimin Han +19

The fifth Sloan Digital Sky Survey (SDSS-V) Local Volume Mapper (LVM) is a wide-field integral field unit (IFU) survey that uses an array of four 160 mm fixed telescopes with sider…

astro-ph.IM2024★ 6 cited

Detecting unresolved lensed SNe Ia in LSST using blended light curves

Satadru Bag, Simon Huber, Sherry H. Suyu +10

Strongly gravitationally lensed supernovae (LSNe) are promising probes for providing absolute distance measurements using gravitational-lens time delays. Spatially unresolved LSNe…

astro-ph.IM2024★ 5 cited

VLBI Astrometry of Radio Stars to Link Radio and Optical Celestial Reference Frames: Observing Strategies

Jingdong Zhang, Bo Zhang, Shuangjing Xu +12

The Gaia celestial reference frame (Gaia-CRF) will benefit from a close assessment with independent methods, such as Very Long Baseline Interferometry (VLBI) measurements of radio…

astro-ph.IM2024

Maunakea Spectroscopic Explorer exposure time calculator for end-to-end simulator: to optimizing spectrograph design and observing simulation

Tae-Geun Ji, Jennifer Sobeck, Changgon Kim +8

The Maunakea Spectroscopic Explorer (MSE) project will provide multi-object spectroscopy in the optical and near-infrared bands using an 11.25-m aperture telescope, repurposing the…

astro-ph.IM2024★ 32 cited

EUSO-SPB1 Mission and Science

EUSO Collaboration, G. Abdellaoui, S. Abe +292

The Extreme Universe Space Observatory on a Super Pressure Balloon 1 (EUSO-SPB1) was launched in 2017 April from Wanaka, New Zealand. The plan of this mission of opportunity on a N…

astro-ph.IM2023

The Data Processor of the SPB2 Fluorescence Telescope: in flight performance

Valentina Scotti, Antonio Anastasio, Alfonso Boiano +8

EUSO-SPB2 (Extreme Universe Space Observatory on a Super Pressure Balloon II) is a precursor mission for a future space observatory for multi-messenger astrophysics, planned to be…

astro-ph.IM2023★ 2 cited

Machine Learning for Mini-EUSO Telescope Data Analysis

Mario Bertaina, Mikhail Zotov, Dmitry Anzhiganov +6

Neural networks as well as other methods of machine learning (ML) are known to be highly efficient in different classification tasks, including classification of images and videos.…

astro-ph.IM2023★ 3 cited

Implications of Mini-EUSO measurements for a space-based observation of UHECRs

M. Bertaina, M. Battisti, M. Bianciotto +2

Mini-EUSO is the first mission of the JEM-EUSO program on board the International Space Station. It was launched in August 2019 and it is operating since October 2019 being located…

astro-ph.IM2023★ 1 cited

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…

astro-ph.IM2023★ 1 cited

Radio Astronomy with Multiband Receivers and Frequency Phase Transfer: Scientific Perspectives

Richard Dodson, Cristina García-Miró, Marcello Giroletti +9

The technique of frequency phase transfer (FPT), enabled by multiband receivers with shared optical path (SOP), is set to become a true backbone of VLBI operations at frequencies a…