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Keywords

astrometry
open clusters and associations: general
stars: kinematics and dynamics

How to Cite

Diffracto-Astrometry Measurements: Kinematics of the Orion Trapezium. (2014). Revista Mexicana De Astrofísica Y Astronomía Serie De Conferencias, 43(1), 83-84. https://astronomia.unam.mx/journals/rmxac/article/view/2014rmxac..43...83o
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Abstract

Using the historical database of the Washington Double Star Catalog (WDS) and astrometric data obtained by applying the Diffracto-Astrometry (DiAs) technique to Hubble Space Telescope Wide Field Planetary Camera 2 (HST/WFPC2) public images, the relative kinematics of the Orion Trapezium (OT) stellar components is obtained with a precision of ~1 km s^-1.