353 citations · 2.5k across the 56 of their papers we have counts for
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astro-ph.GA2021★ 7 cited
A New Proper Motion Determination of Leo I
Dana I. Casetti-Dinescu, Caitlin K. Hansen, Terrence M. Girard +3
We measure the absolute proper motion of Leo I using a WFPC2/HST data set that spans up to 10 years, to date the longest time baseline utilized for this satellite. The measurement…
astro-ph.IM2021
A Comprehensive Astrometric Calibration of HST's WFPC2. I. Distortion Mapping
Dana I. Casetti-Dinescu, Terrence M. Girard, Vera Kozhurina-Platais +3
Wide field planetary camera 2 (WFPC2) exposures are already some 20 years older than Gaia epoch observations, or future JWST observations. As such, they offer an unprecedented time…