Listar por tema "astrometry"
Mostrando ítems 1-2 de 2
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Application of Vector Spherical Harmonics and Kernel Regression to the Computations of OMM Parameters
The American Astronomical Society (2015-04)The high quality of Hipparcos data in position, proper motion, and parallax has allowed for studies about stellar kinematics with the aim of achieving a better physical understanding of our galaxy, based on accurate ... -
Global and Local Three-dimensional Studies of The Residual Vector Field from 2MASS and Hipparcos-2 Catalog
Astronomical Society of the Pacific (2019-04)The Gaia mission will provide a six-parameter solution for millions of stars, including a tridimensional map of our Galaxy. The estimation of distances has been made for the Tycho-Gaia Astrometric Solution (TGAS), while ...