Engineering · Physical Sciences
10h-index2.1kcitations36works0.02yr avg
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Research Topics
Astronomical Observations and Instrumentation(30), Stellar, planetary, and galactic studies(15), Historical Geography and Cartography(7), Calibration and Measurement Techniques(6), Astronomy and Astrophysical Research(6)
Publications36 total
Optical Positions of ICRF Sources from CTIO 1.0M Data
Redalyc (Universidad Autónoma del Estado de México)·2015
VizieR Online Data Catalog: Radio-optical reference frame link (Zacharias+ 2013)
VizieR Online Data Catalog·2013
The Astronomical Journal·2013· 1.1k citedOpen Access
Radio-optical reference frame offsets from CTIO and UCAC4 data
IAUJD·2012
Proceedings of the International Astronomical Union·2007· 1 citedOpen Access
Extragalactic Optical-Radio Link Research at USNO
Defense Technical Information Center (DTIC)·2007· 1 cited
Radio-Optical Reference Frame Link: First results using dedicated astrograph reference stars
ASPC·2005· 3 cited
The Astronomical Journal·2004· 569 citedOpen Access
The U. S. Naval Observatory CCD Astrograph Catalog project.
2003
A Joint Collaboration Between USNO and Brazil on the Astrometry of ICRF Sources.
2003
The Astronomical Journal·2003· 14 citedOpen Access
The USNO Extragalactic Reference Frame Link Program
Highlights of Astronomy·2003
UCAC2: a new high precision catalog of positions and proper motions
American Astronomical Society Meeting Abstracts·2001
VizieR Online Data Catalog: UCAC1 Catalogue (Zacharias+ 2000)
VizieR Online Data Catalog·2001· 4 cited
Extragalactic reference frame link of the UCAC project
NOAO Proposal·2001
Possible Nova in Puppis
IAUC·2001
USNO CCD Astrograph Catalog: Southern Hemisphere complete
American Astronomical Society Meeting Abstracts·2000
The Astronomical Journal·2000· 149 citedOpen Access
The Astronomical Journal·2000· 19 citedOpen Access
The first US Naval Observatory CCD Astrograph Catalog
DDA·2000· 11 cited
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Frequent Co-authors
N. Zacharias(32), T. J. Rafferty(10), G. L. Wycoff(9), S. E. Urban(8), David Hall(5), D. G. Monet(4), C. de Vegt(4), G. G. Douglass(4), T. E. Corbin(3), Terrence M. Girard(2), Jennifer Bartlett(2), M. E. Germain(2), E. R. Holdenried(2), Lukas Winter(2), K. J. Johnston(2), M. Assafin(2), D. N. da Silva Neto(2), A. H. Andrei(2), N. Zacharias(2), G. S. Hennessy(2)