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Near-infrared astrometry of star clusters with different flavors of adaptive optics and HST

Lu, Jessica; Neichel, Benoit; Anderson, Jay; Sinukoff, Evan; Hosek Jr., Matthew W.; Ghez, Andrea M.; Rigaut, Francois


High-precision infrared astrometry is a powerful tool for the study of resolved stellar populations throughout our Galaxy. We highlight two particular science cases that require precise infrared astrometry: (1) measuring the initial mass function in massive young clusters throughout the MilkyWay and (2) finding isolated black holes that photometrically and astrometrically lens background bulge stars. Using astrometric results from these science cases, we perform a comparative analysis of the...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Conference paper
Source: Proceedings of SPIE - The International Society for Optical Engineering, vol 9148
DOI: 10.1117/12.2057241


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