activity
19942026
most citedParallactic Motion for Companion Discovery: An M-Dwarf Orbiting Alcor

228 citations · 3.6k across the 92 of their papers we have counts for

collaborators

94 papers

astro-ph.IM2026

Sub-Pixel Calibration of CMOS Sensors for Precision Astrometry

M. Shao, I. Hahn

Many sources of systematic error are important to centroid the position of a star below the level of of the FWHM of the stellar image. One of the more important sources o…

astro-ph.IM2022★ 4 cited

Micro-arcsecond Astrometry Technology: Detector and Field Distortion Calibration

Michael Shao, Chengxing Zhai, Bijan Nemati +3

Microarcsecond (uas) astrometry is an indispensable technique to detect earth-like exoplanets, fully characterize exoplanetary orbits, and measure their masses --information critic…

astro-ph.IM2022

Theia : science cases and mission profiles for high precision astrometry in the future

Fabien Malbet, Lucas Labadie, Alessandro Sozzetti +11

High-precision astrometry well beyond the capacities of Gaia will provide a unique way to achieve astrophysical breakthroughs, in particular on the nature of dark matter, and a com…

astro-ph.IM2021★ 34 cited

Faint objects in motion: the new frontier of high precision astrometry

Fabien Malbet, Céline Boehm, Alberto Krone-Martins +83

Sky survey telescopes and powerful targeted telescopes play complementary roles in astronomy. In order to investigate the nature and characteristics of the motions of very faint ob…

astro-ph.EP2021★ 18 cited

Time-series and Phasecurve Photometry of Episodically-Active Asteroid (6478) Gault in a Quiescent State Using APO, GROWTH, P200 and ZTF

Josiah N. Purdum, Zhong-Yi Lin, Bryce T. Bolin +49

We observed Episodically Active Asteroid (6478) Gault in 2020 with multiple telescopes in Asia and North America and have found that it is no longer active after its recent outburs…

astro-ph.IM2020★ 76 cited

Performance Verification of the EXtreme PREcision Spectrograph

Ryan T. Blackman, Debra A. Fischer, Colby A. Jurgenson +25

The EXtreme PREcision Spectrograph (EXPRES) is a new Doppler spectrograph designed to reach a radial velocity measurement precision sufficient to detect Earth-like exoplanets orbit…