activity
20092026
most citedChemical evolution of the Galactic bulge as traced by microlensed dwarf and subgiant stars. V. Evidence for a wide age distribution and a complex MDF

494 citations · 6.3k across the 209 of their papers we have counts for

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6 papers · 1 filter

astro-ph.IM2026

Nonlinearity in H4RG-10 Near-Infrared Detectors at Elevated Temperatures: Characterization and Data-Driven Correction Method

Ryusei Hamada, Gregory Mosby, Shota Miyazaki +5

We report a newly identified nonlinearity in H4RG-10 near-infrared detectors operating under moderately elevated-temperature conditions (114 K). This component, that potentially ar…

astro-ph.IM2025

Four binary microlenses with directly measured masses

Cheongho Han, Andrzej Udalski, Chung-Uk Lee +58

We investigated binary lens events from the 2022-2024 microlensing surveys, aiming to identify events suitable for lens mass measurements. We focused on two key light curve feature…

astro-ph.IM2023

Roman CCS White Paper: Characterizing the Galactic population of isolated black holes

Casey Y. Lam, Natasha Abrams, Jeff Andrews +34

Although there are estimated to be 100 million isolated black holes (BHs) in the Milky Way, only one has been found so far, resulting in significant uncertainty about their propert…

astro-ph.IM2023★ 1 cited

The Galactic Center with Roman

Sean K. Terry, Matthew W. Hosek, Jessica R. Lu +31

We advocate for a Galactic center (GC) field to be added to the Galactic Bulge Time Domain Survey (GBTDS). The new field would yield high-cadence photometric and astrometric measur…

astro-ph.IM2023★ 17 cited

Optical Alignment Method for the PRIME Telescope

Hibiki Yama, Daisuke Suzuki, Shota Miyazaki +7

We describe the optical alignment method for the Prime-focus Infrared Microlensing Experiment (PRIME) telescope which is a prime-focus near-infrared (NIR) telescope with a wide fie…

astro-ph.IM2019

Community Involvement in the WFIRST Exoplanet Microlensing Survey

David P. Bennett, Rachel Akeson, Thomas Barclay +22

WFIRST is NASA's first flagship mission with pre-defined core science programs to study dark energy and perform a statistical census of wide orbit exoplanets with a gravitational m…