/ftp/cats/3/185



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III/185        Search for Jupiter-Mass Companions        (Walker+, 1995)
The following files can be converted to FITS (extension .fit .fgz or .fiZ)
	stars.dat table1.dat
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Query from: http://vizier.cds.unistra.fr/viz-bin/VizieR?-source=III/185
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drwxr-xr-x 259 cats archive 8192 Dec 5 19:00 [Up] drwxr-xr-x 2 cats archive 4096 Jan 13 2023 [TAR file] -rw-r--r-- 1 cats archive 467 Dec 19 2022 .message -r--r--r-- 1 cats archive 4776 Mar 14 2005 ReadMe -rw-r--r-- 1 cats archive 295 Sep 19 2007 +footg5.gif -rw-r--r-- 1 cats archive 2379 Mar 5 2008 +footg8.gif -r--r--r-- 1 cats archive 1449 Mar 14 2005 stars.dat [txt] [txt.gz] [fits] [fits.gz] [html] -r--r--r-- 1 cats archive 31378 Mar 14 2005 table1.dat [txt] [txt.gz] [fits] [fits.gz] [html]
Beginning of ReadMe : III/185 Search for Jupiter-Mass Companions (Walker+, 1995) ================================================================================ A Search for Jupiter-Mass Companions to Near-By Stars Walker G.A.H., Walker A.R., Irwin A.W., Larson A.M., Yang S.L.S., Richardson D.C. <Icarus, 116, 359-375 (1995)> =1995Icar..116..359W ================================================================================ ADC_Keywords: Radial velocities; Planets Abstract: From 1980 to 1992, the radial velocities of 17 bright solar-type dwarf and 4 subgiant stars were monitored at the Canada-France-Hawaii 3.6-m telescope (CFHT). Introduction: The experimental technique, in which lines of the 870 nm 3-0 vibration-rotation band of hydrogen fluoride are imposed in absorption on the stellar spectra to act as wavelength fiducials, is capable of measuring long-term changes in the velocity of a star with a precision near 15 m/s from a single spectrum. For comparison, the orbit of the Sun about the barycentre, which is dominated by the motion of Jupiter, has a period of 11.9 years with an amplitude of some 13 m/s. Thus, by making several observations per year, we could have detected the reflex motion caused by a Jupiter-mass planet orbiting a nearby star provided the orbital plane was close to the line of sight. To date, this planetary search has been the only long-term program on the CFHT. Between three and six pairs of nights per year were allocated over twelve years, apart from a single gap of six months in 1983. The 15 m/s precision per observation was achieved to a limiting I magnitude of 4 for exposures of typically less than half an hour. The program was completed in 1992. In the published paper the analysis of the 1082 individual differential velocities that are catalogued here is presented.