Marcelo Assafin
0000-0002-8211-0777
Universidade Federal do Rio de Janeiro
75 papers found
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Connection between the ICRF and the dynamical reference frame for the outer planets
Astrometric representation of the Gaia extragalactic reference frame from ground observations
Probabilistic representation of the Gaia extragalactic reference frame
Investigation on the southern part of the high density astrometric catalogs USNO B1.0, 2MASS and UCAC2
Optical Positions of ICRF Sources Using UCAC Reference Stars
A Pattern of Noncoincidence between Radio and Optical Positions of International Celestial Reference Frame Sources
Investigation of USNO‐A2.0 Catalog Positions
Optical positions for a sample of ICRF sources
Early radio positions of stars
Observations of radio stars at the Valinhos CCD Meridian Circle
A method to improve guide star catalogue positions with astrometric catalogues
Astrometric CCD positions for extragalactic radio sources
Astrometric CCD positions for extragalactic radiosources
Optical positions of radio emitting stars
Positions of Neptunian satellites
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