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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
A radio reference frame
Astronomical Journal, Volume 110, No. 2, Year 1995
Notification
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Description
A catalogue is presented based on the radio positions of 436 extragalactic sources distributed over the entire sky. The positional accuracy of the sources is better than 3 milliarcsec (mas) in both coordinates, with the majority of the sources having errors better than 1 mas. This catalogue is based upon a general solution of all applicable dual frequency 2.3 and 8.4 GHz Mark-III VLBI data available through the end of 1993 consisting of 1,015,292 pairs of group delay and phase delay rate observations. Details and positions are also given for an additional 124 objects that either need further observation or are currently unsuitable for the definition of a reference frame. The final orientation of the catalogue has been obtained by a rotation of the positions into the system of the International Earth Rotation Service and is consistent with the FK5 J2000.0 optical system, within the limits of the link accuracy. © 1995 American Astronomical Society.
Authors & Co-Authors
Johnston, K. J.
United States, Washington, D.c.
U.s. Naval Research Laboratory
United States, Washington, D.c.
U.s. Naval Observatory
Fey, Alan L.
United States, Washington, D.c.
U.s. Naval Research Laboratory
United States, Washington, D.c.
U.s. Naval Observatory
Zacharias, N.
United States, Washington, D.c.
Association of Universities for Research in Astronomy
Russell, J. L.
United States, Landover
Applied Research Corporation
Ma, Chopo
United States, Greenbelt
Nasa Goddard Space Flight Center
De Vegt, C.
Germany, Hamburg
Universität Hamburg
Reynolds, John E.
Australia, Sydney
Australia Telescope National Facility
Jauncey, David L.
Australia, Sydney
Australia Telescope National Facility
Archinal, Brent A.
United States, Washington, D.c.
U.s. Naval Observatory
Carter, Merri Sue
United States, Washington, D.c.
U.s. Naval Observatory
Corbin, Thomas E.
United States, Washington, D.c.
U.s. Naval Observatory
Eubanks, T. Marshall
United States, Washington, D.c.
U.s. Naval Observatory
Florkowski, David R.
United States, Washington, D.c.
U.s. Naval Observatory
Hall, David M.
United States, Washington, D.c.
U.s. Naval Observatory
Mccarthy, Dennis D.
United States, Washington, D.c.
U.s. Naval Observatory
McCulloch, Peter M.
Australia, Hobart
University of Tasmania
King, Edward A.
Australia, Hobart
University of Tasmania
Nicolson, George D.
South Africa, Krugersdorp
Hartebeesthoek Radio Astronomy Observatory
Shaffer, David B.
United States, Henderson
Radiometrics Incorporated
Statistics
Citations: 19
Authors: 19
Affiliations: 10
Identifiers
Doi:
10.1086/117571
ISSN:
00046256