International Celestial Reference System

Results: 55



#Item
31Astrology / Astronomy / International Celestial Reference Frame / International Celestial Reference System / Hipparcos / Equinox / Earth Orientation Parameters / Epoch / Catalogues of Fundamental Stars / Astrometry / Measurement / Celestial coordinate system

2 Conventional celestial reference system and frame The celestial reference system is based on a kinematical definition, yielding fixed axis directions with respect to the distant matter of the universe. The system is m

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Source URL: maia.usno.navy.mil

Language: English - Date: 2011-07-15 10:06:58
32Celestial mechanics / Science / Avionics / Navigation / Satellite navigation systems / International Earth Rotation and Reference Systems Service / Global Positioning System / UNAVCO / Orbit / Technology / Measurement / Geodesy

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Source URL: igscb.jpl.nasa.gov

Language: English - Date: 1999-12-22 19:56:45
33Geodesy / Time scales / Celestial mechanics / Navigation / Command and control / Global Positioning System / International Earth Rotation and Reference Systems Service / Universal Time / Ephemeris / Measurement / Astrology / Technology

Table 4. GFZ pole solution (from June 21 to October 29, [removed][removed][removed]

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Source URL: igscb.jpl.nasa.gov

Language: English - Date: 1999-12-22 20:04:30
34Astrometry / Celestial coordinate system / International Celestial Reference Frame / European Southern Observatory / Optical telescope / Robotic telescope / Ritchey–Chrétien telescope / Telescope / Space / Telescope types / Astronomy / Science

Optical monitoring of extragalactic sources for the link between the ICRF and the future Gaia celestial reference frame Taris, F., Andrei, A., Klotz, A., Vachier, F., Côte, R., Souchay, J.

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Source URL: info.tuwien.ac.at

Language: English - Date: 2011-09-19 06:11:22
35Astronomy / International Celestial Reference Frame / Very Long Baseline Interferometry / Proper motion / Space / Astrometry / Measurement / Celestial coordinate system

CCD MEASUREMENTS IN OPTICAL DOMAIN AND ASTROMETRIC POSITIONS OF ICRF2 RADIO SOURCES G. Damljanović and I. S. Milić Astronomical Observatory, Belgrade, Serbia [removed], [removed]

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Source URL: info.tuwien.ac.at

Language: English - Date: 2011-10-05 05:52:00
36Astrology / Astronomy / International Celestial Reference Frame / International Celestial Reference System / Hipparcos / Equinox / Earth Orientation Parameters / Epoch / Catalogues of Fundamental Stars / Astrometry / Measurement / Celestial coordinate system

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Source URL: maia.usno.navy.mil

Language: English - Date: 2010-12-17 09:46:32
37Astronomy / Precession / Geodesy / Celestial mechanics / Time scales / Sidereal time / Axial precession / Nutation / International Earth Rotation and Reference Systems Service / Measurement / Astrology / Celestial coordinate system

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Source URL: maia.usno.navy.mil

Language: English - Date: 2010-12-17 09:46:32
38Cartography / Geodesy / Navigation / Astrometry / Celestial mechanics / Longitude / International Celestial Reference System / International Celestial Reference Frame / Epoch / Astrology / Measurement / Celestial coordinate system

Draft: v. 4.3, [removed]Chapter 2. Cartographic Standards 2.1 Introduction

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Source URL: pds.jpl.nasa.gov

Language: English - Date: 2013-02-28 12:08:39
39Astrometry / Celestial coordinate system / Geodesy / Interferometry / Radio astronomy / Very Long Baseline Interferometry / International Celestial Reference Frame / Microwave / X band / Electromagnetic radiation / Technology / Telecommunications engineering

USNO Analysis Center for Source Structure Report Alan L. Fey, David A. Boboltz, Ralph A. Gaume, Kerry A. Kingham Abstract This report summarizes the activities of the United States Naval Observatory Analysis Center for S

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Source URL: www.usno.navy.mil

Language: English - Date: 2012-01-18 13:28:27
40International Celestial Reference System / Spherical astronomy / Proper motion / Equinox / Epoch / Apparent places / Ecliptic coordinate system / SOFA / Parallax / Astrology / Celestial coordinate system / Astrometry

International Astronomical Union Standards Of Fundamental Astronomy SOFA Astrometry Tools

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Source URL: www.iausofa.org

Language: English - Date: 2014-04-15 11:47:58
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