/ftp/cats/aliases/V//VCS1



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J/ApJS/141/13       VLBA calibrator Survey - VCS1 catalog    (Beasley+, 2002)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
	table2.dat table4.dat table3.dat
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Query from: http://vizier.u-strasbg.fr/viz-bin/VizieR?-source=J/ApJS/141/13
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drwxr-xr-x 9 cats archive 4096 Jan 29 2012 [Up] drwxr-xr-x 2 cats archive 4096 Dec 15 2013 [TAR file] -rw-r--r-- 1 cats archive 488 Jul 14 2013 .message -r--r--r-- 1 cats archive 5137 Dec 5 2008 ReadMe -rw-r--r-- 1 cats archive 805 Jul 14 2013 +footg5.gif -rw-r--r-- 1 cats archive 7538 Jul 14 2013 +footg8.gif -r--r--r-- 1 cats archive 133200 Jul 30 2003 table2.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 1386 Jul 10 2002 table3.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 7488 Jul 30 2003 table4.dat [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : J/ApJS/141/13 VLBA calibrator survey: VCS1 catalog (Beasley+, 2002) ================================================================================ The VLBA calibrator Survey - VCS1. Beasley A.J., Gordon D., Peck A.B., Petrov L., MacMillan D.S., Fomalont E.B., Ma C. <Astrophys. J. Suppl. Ser. 141, 13 (2002)> =2002ApJS..141...13B ================================================================================ ADC_Keywords: Radio sources ; Surveys ; Positional data Keywords: astrometry - radio continuum: general - reference systems - surveys - techniques: interferometric Abstract: A catalog containing milli-arcsecond-accurate positions of 1332 extragalactic radio sources distributed over the northern sky is presented - the Very Long Baseline Array Calibrator Survey (VCS1). The positions have been derived from astrometric analysis of dual-frequency 2.3 and 8.4 GHz VLBA snapshot observations; in a majority of cases, images of the sources are also available. These radio sources are suitable for use in geodetic and astrometric experiments, and as phase-reference calibrators in high-sensitivity astronomical imaging. The VCS1 is the largest high-resolution radio survey ever undertaken and triples the number of sources available to the radio astronomy community for VLBI applications. In addition to the astrometric role, this survey can be used in active galactic nuclei, Galactic, gravitational lens, and cosmological studies.

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