/ftp/cats/I/264



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I/264          Sixth Catalogue of Fundamental Stars (FK6)        (Wielen+ 2000)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
	fk6_1.dat fk6_3.dat notes1.dat notes3.dat tabnote3.dat
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Query from: http://vizier.cds.unistra.fr/cgi-bin/VizieR?-source=I/264
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drwxr-xr-x 317 cats archive 8192 Feb 28 11:16 [Up] drwxr-xr-x 2 cats archive 4096 Jul 25 2023 [TAR file] -rw-r--r-- 1 cats archive 506 Dec 19 2022 .message -r--r--r-- 1 cats archive 29586 Apr 16 2002 ReadMe -rw-r--r-- 1 cats archive 805 Sep 19 2007 +footg5.gif -rw-r--r-- 1 cats archive 14745 Mar 5 2008 +footg8.gif -r--r--r-- 1 cats archive 181018 Apr 15 2002 fk6_1.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 352094 Apr 15 2002 fk6_3.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 19824 Jan 14 2002 notes1.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 1379 Jul 7 2001 notes3.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 10193 Jul 7 2001 tabnote3.dat.gz [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : I/264 Sixth Catalogue of Fundamental Stars (FK6) (Wielen+ 2000) ================================================================================ Sixth Catalogue of Fundamental Stars (FK6). Part I: Basic Fundamental Stars with Direct Solutions Sixth Catalogue of Fundamental Stars (FK6) , Parts I and III Wielen R., Schwan H., Dettbarn C., Lenhardt H., Jahreiss H., Jahrling R. <Veroeff. Astron. Rechen-Inst. Heidelberg 35, 1 (1999)> =1999VeARI..35....1W Part III: Additional Fundamental Stars with Direct Solutions Wielen R., Schwan H., Dettbarn C., Lenhardt H., Jahreiss H., Jahrling R. Khalisi E. <Veroeff. Astron. Rechen-Inst. Heidelberg 37, 1 (2000)> =2000VeARI..37....1W ================================================================================ ADC_Keywords: Positional data ; Proper motions ; Stars, fundamental Description: The FK6 is a suitable combination of the results of the HIPPARCOS (Cat. I/239) astrometry satellite with ground-based data, measured over more than two centuries. The FK6 gives other solutions than the classical `single-star mode' (SI mode), which take into account the fact that hidden astrometric binaries among `apparently single-stars' introduce sizable `cosmic errors' into the quasi-instantaneously measured HIPPARCOS proper motions and positions. The FK6 gives in addition to the SI mode the `long-term prediction (LTP) mode' and the `short-term prediction (STP) mode'. These LTP and STP modes are on average the most precise solutions for apparently single stars, depending on the epoch difference with respect to the HIPPARCOS epoch of about 1991. The FK6(I) results from the combination of FK5(I) (Cat. I/149) with Hipparcos results. Among its 878 stars, it contains 340 objects classified as `astrometrically excellent stars', most suited for high-precision astrometry. The typical mean error of an FK6(I) proper motion is 0.35 mas/year in the single-star mode (about two times better than Hipparcos), and 0.50 mas/year in the long-term prediction mode (about four times better than Hipparcos). The FK6(III) results from the combination of stars from FK5 extension (Cat. I/175) with Hipparcos. Among its 3272 stars, it contains 1928 objects classified as `astrometrically excellent stars'. The typical mean error of an FK6(III) proper motion is 0.59 mas/year in the single-star mode, and 0.93 mas/year in the long-term prediction mode.