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J/A+AS/135/231 Mining in the Hipparcos raw data (Falin+, 1999)
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Mining in the Hipparcos raw data
Falin J.L., Mignard F.
<Astron. Astrophys. Suppl. Ser. 135, 231 (1999)>
=1999A&AS..135..231F (SIMBAD/NED BibCode)
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ADC_Keywords: Stars, double and multiple ; Proper motions ;
Parallaxes, trigonometric
Keywords: stars: fundamental parameters - binaries: visual - astrometry
Description:
We give 139 reprocessed problem double stars using Hipparcos data
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1.dat 124 13 Stars with no Hipparcos solutions
table2.dat 124 30 New component solutions (Stars flagged C)
table3.dat 124 8 Hipparcos solution with time dependent proper
motion (Stars flagged G)
table4.dat 124 34 Suspected doubles (Stars flagged S, HIP<60000)
table5.dat 124 56 Suspected doubles (Stars flagged S, HIP>60000)
table6.dat 124 60 Stochastic solutions (Stars flagged X, HIP<60000)
table7.dat 124 64 Stochastic solutions (Stars flagged X, HIP>60000)
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See also:
I/239 : The Hipparcos and Tycho Catalogues (ESA 1997)
Byte-by-byte Description of file: table*.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HIP Hipparcos identifier
8- 19 F12.8 deg RAdeg Right ascension (ICRS, Epoch=1991.25)
21- 32 F12.8 deg DEdeg Declination (ICRS, Epoch=1991.25)
34- 39 F6.2 mas Plx Parallax
41- 47 F7.2 mas/yr pmRA Proper motion in RA (mu_alpha_*cos(delta))
49- 55 F7.2 mas/yr pmDE Proper motion in DE
57- 60 F4.1 mas e_RAdeg Standard error in RA
62- 65 F4.1 mas e_DEdeg Standard error in DE
67- 70 F4.1 mas e_Plx Standard error in Parallax
72- 75 F4.1 mas/yr e_pmRA Standard error in Proper motion in RA
(e_mu*cos(DE))
77- 80 F4.1 mas/yr e_pmDE Standard error in Proper motion in DE
82- 84 I3 % F1 Percentage of rejected Data
86- 90 F5.2 --- F2 Goodness-of-fit statistic (1)
92- 94 A3 --- Source Origin of the information on the
new double (2)
96- 98 I3 deg Theta ? Position angle relative to primary
100-105 F6.3 arcsec Sep ? Separation primary-secondary
107-112 F6.3 arcsec e_Sep ? Standard error of separation
114-118 F5.2 mag Dmag ? Difference of magnitude
120-124 F5.2 mag e_Dmag ? Standard error of Dmag
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Note (1): Values exceeding +3 indicate a bad fit to the data.
Note (2): HIC: Hipparcos Input Catalogue, Version 2 (Turon+ 1993), Cat. <I/196>
SS1: Digitalized Sky Survey first epoch
SS2: Digitalized Sky Survey second epoch
TYC: Tycho Catalogue (ESA 1997), Cat. <I/239>
LAM: Lampens & Oblak (1998, A&A, in prep.)
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Acknowledgements: Jean-Louis Falin <falinjl@obs-azur.fr>
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(End) Jean-Louis Falin [OCA/CERGA], Patricia Bauer [CDS] 12-Jan-1999