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I/196 Hipparcos Input Catalogue, Version 2 (Turon+ 1993)
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Hipparcos Input Catalogue, Version 2
Turon C., Egret D., Gomez A., Grenon M., Jahreiss H., Requieme Y.,
Argue A.N., Bec-Borsenberger A., Dommanget J., Mennessier M.-O.,
Arenou F., Chareton M., Crifo F., Mermilliod J.C., Morin D.,
Nicolet B., Nys O., Prevot L., Rousseau M., Perryman M.A.C
<Bull. Inf. CDS 43, 5 (1993)>
=1993BICDS..43....5T
<ESA SP-1136 (1993)>
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ADC_Keywords: Positional data ; Proper motions ; Photometry
Mission_Name: Hipparcos
Description:
The Hipparcos Input Catalogue was constructed as the observing program
for ESA's Hipparcos astrometry mission. This has resulted in a
catalogue of stellar data including up-to-date information on
positions, proper motions, magnitudes, colors, and when available,
spectral types, radial velocities, multiplicity and variability
information. The catalogue is complete to well-defined magnitude
limits, and includes a substantial sampling of the most important
stellar categories present in the solar neighbourhood beyond these
limits. The magnitude limits vary from 7.3 to 9 magnitudes as a
function of galactic latitude and spectral type, and there are no
stars fainter than about V = 13 mag.
118000 stars are included in the Hipparcos Input Catalogue, about half
of them have been selected within well-defined limits in V magnitude,
spectral type and galactic latitude (the "survey"), half of them
within proposed observing programs. The mean accuracies achieved, as
demonstrated by comparison with the Hipparcos results (Turon et al.
1995A&A...304...82T) are 0.3 arcsec for the positions and 0.25 mag for
the Hp magnitude, with accuracies of 0.02 mag or better for more than
a third of the catalogue.
The data set consists of the main catalogue, and the first supplement
which contains more detailed information for multiple system
components. Other supplements with identification charts can be found
in the published version.
A complete description is provided, either as a LaTeX file (intro.tex),
or as a plain ascii file (intro.cat).
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
main.dat 430 118209 Main Catalogue
annex1.dat 130 32290 Double and Multiple System Components
notes.dat 78 485 Notes to marked HIC stars.
intro.cat 80 2703 Ascii description
intro.tex 80 5915 LaTeX description
formats.tex 80 302 Formats in LaTeX
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See also:
I/211 : Components of Double and Multiple stars (Dommanget and Nys, 1994)
I/239 : The Hipparcos and Tycho Catalogues (ESA 1997), the resulting
catalogues of the Hipparcos mission.
Byte-by-byte Description of file: main.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HIC [1/120313]+ Hipparcos Input Catalogue
running number.
8- 11 A4 --- Comp Component(s) considered in this entry
13 A1 --- Target *[A-Hjg] Satellite target in case
of joint entry
15- 16 I2 h RAh Right ascension J2000 (hours), at Epoch
18- 19 I2 min RAm Right ascension (minutes)
21- 26 F6.3 s RAs Right ascension (seconds)
28 A1 --- DE- Declination J2000 (sign)
29- 30 I2 deg DEd Declination (degrees)
32- 33 I2 arcmin DEm Declination (minutes)
35- 39 F5.2 arcsec DEs Declination (seconds)
41- 44 I4 a Epoch *Epoch for the position, generally 2000
46- 49 F4.2 arcsec e_RAs *Mean error of the right ascension
51- 54 F4.2 arcsec e_DEs Mean error of the declination
56 A1 --- r_RAs *Source of position code (see Table B1)
58- 67 F10.6 deg RAdeg Right ascension J2000 (decimal degrees)
69- 78 F10.6 deg DEdeg Declination J2000 (decimal degrees)
80- 85 F6.2 deg GLON [0.0/360.0] Galactic longitude (decimal degs)
87- 92 F6.2 deg GLAT Galactic latitude (decimal degrees)
94- 99 F6.2 deg ELON [0.0/360.00] Ecliptic longitude (decimal deg)
101-106 F6.2 deg ELAT Ecliptic latitude (decimal degrees)
108-109 I2 h RAh1950 Right ascension B1950, epoch=1950.0 unless
Epoch differs from 2000 (hours)
111-112 I2 min RAm1950 Right ascension (minutes)
114-119 F6.3 s RAs1950 Right ascension (seconds)
121 A1 --- DE-1950 Declination sign, B1950
122-123 I2 deg DEd1950 Declination (degrees)
125-126 I2 arcmin DEm1950 Declination (minutes)
128-132 F5.2 arcsec DEs1950 Declination (seconds)
134-143 F10.6 deg RAdeg1950 Right ascension B1950 (decimal degrees)
145-154 F10.6 deg DEdeg1950 Declination B1950 (decimal degrees)
156-161 F6.3 arcsec/a pmRA *?Proper motion in RA, Equinox J2000.0
163-168 F6.3 arcsec/a pmDE ?Proper motion in dec, Equinox J2000.0
170-173 F4.3 arcsec/a e_pmRA ?Error of pmRA
175-178 F4.3 arcsec/a e_pmDE ?Error of pmDE
180 A1 --- r_pmRA *Source of proper motion (see Table B1)
182-186 F5.2 mag Hp Magnitude in the Hipparcos photometric system.
188 A1 --- Var *Variability code (range 1-5; see Table V1)
189 A1 --- Std *[CS] Standard star code
191-196 F6.3 mag Vmag V magnitude
198-201 F4.3 mag e_Vmag Error of V magnitude
203-208 F6.3 mag B-V ?B-V colour index
210-213 F4.3 mag e_B-V ?Error of B-V
215 A1 --- r_B-V *Source of photometry (see Table B2)
217-227 A11 --- Sp *Spectral type and luminosity class
229 A1 --- r_Sp *Source of the spectral type (see Table B3)
231-235 I5 mas Plx ?Parallax (milli-arcsec)
237-238 I2 mas e_Plx ?Probable error of parallax (milli-arcsec)
240 A1 --- n_Plx *[TD] Type of parallax
242-247 F6.1 km/s RV ?Radial velocity
249 A1 --- q_RV *[a-e] Quality of RV, a=best
250 A1 --- r_RV *Source of RV (see Table B4)
252-260 A9 --- Vname Variable star name (GCVS or NSV)
262-264 A3 --- VarType *Type of variability (see Table V2)
266-271 F6.1 d Period ?Period of variation (days)
273-276 F4.1 mag Vmax ?V magnitude at maximum luminosity.
278-281 F4.1 mag Vmin ?V magnitude at minimum luminosity.
283 A1 --- q_Vmax *[1-4] Coded error of Vmax and Vmin, 1=best
284 A1 --- MagCode *[1-5] Code specifying magnitudes and colour
286-295 A10 --- CCDM *CCDM number (details in annex1)
297-298 A2 --- CCDMcomp Components considered
300-302 A3 deg PA *[ 0-9.EFPNS] Position angle components
304-309 F6.1 arcsec Sep ?Separation between the components considered.
311-314 F4.1 mag Dmag ?Magnitude difference between the components
316 A1 --- n_CCDM *[OA*] Information on orbital systems
318-330 A13 --- BD BD number. Last char: suffix to BD
332-344 A13 --- CD CD number.
346-358 A13 --- CPD CPD number.
360-365 I6 --- HD [1/358431]? HD/HDE number.
367-373 A7 --- FK *FK5/FK5 Ext/FK4 Sup or IRS (AGK3R/SRS) number
375-384 A10 --- AG *AGK3/CPC number (see Table I2)
386-391 I6 --- SAO [1/258997]? SAO number
393-401 A9 --- Ident1 *First of two selected identifiers
403-413 A11 --- Ident2 *Second of the two selected identifiers
415-427 A13 --- Ident3 *Other identifiers
429 A1 --- Status *[SCT] Miscellaneous information
430 A1 --- Notes *[N] additional notes, detailed in file "notes"
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Note on Target:
Satellite target in case of joint entry (i.e.,multiple systems)
: the brighter component (designated by the corresponding
letter)
j : the photocenter
g : the geometric center (i.e., the midpoint between two
components)
Note on Epoch:
The Epoch for the position (years) is J2000 unless only a single
epoch position is available.
Note on e_RAs:
Mean error (in arcsec) of the right ascension value was multiplied
by a factor 15.cos(delta) where delta is the declination, i.e.,
e_RA = 15.cos(delta)*m.e.(seconds)
Note on r_RAs, r_pmRA:
Source of positions and proper motions
B : General Catalogue (Boss)
C : Cape Photographic Catalogue for 1950.0
D : Catalogue of Components of Double and Multiple Stars (*)
F : FK5 and FK5 extension
G : Guide Star Catalog
K : FK4 Supplement
M : Bordeaux and/or Carlsberg automatic meridian circles
N : New plate measurements or new proper motions
P : Catalogue of Positions and Proper Motions (*)
R : International Reference Stars (AGK3RN, SRS (*))
S : Smithsonian Astrophysical Observatory Star Catalogue
T : Cape Catalogue of Faint Stars
X : Miscellaneous
Y : Sydney Southern Star Catalogue
2 : Second Cape Photographic Catalogue
3 : Catalogue of Standard Stars Based on the N30 System
5 : Second Cape Photographic Catalogue for 1950.0
(*) preliminary version
For further details, see Table B1 of the full documentation.
Note on pmRA:
The proper motion mu_alpha in RA is in arcsec per year. The Equinox
is J2000.0. The value in the table is 15.mu_alpha*cos(delta).
Note on Var:
The variability code provides information on known or suspected
variable stars (all amplitudes are in Hp):
(blank): the star is not a known or suspected
1 : suspected variable, with a suspected amplitude variation
smaller than 2 mag
2 : suspected variable, with a suspected amplitude variation
larger than 2 mag
3 : known variable, with an amplitude variation larger than
0.2 mag
4 : known variable, with large amplitude (> 2 mag), for which
an ephemeris was necessary
5 : known variable, with an amplitude variation smaller than
0.2 mag
Note on Std:
Standard code:
C : Photoelectric standard star with confirmed long-term stability
S : Secondary photoelectric standard star.
Note on r_B-V:
Source of photometry
A : Photographic B or V from SIMBAD or proposers; colour from
spectral type
C : V magnitude derived from CAMC; colour from spectral type
D : Joint systems with combined or joint magnitude and colour
P : Photoelectric photometry
V : Variable stars (amplitude larger than 0.2 mag)
X : Miscellaneous
For further details, see Table B2 of the full documentation.
Note on Sp:
The spectral type and luminosity class are from various sources and
follow various classification schemes. The following signs are also
used:
: indicates some doubt about the given values
/,- between two spectral types or luminosity classes:
/ indicates Survey
- indicates that the parameter is intermediate between those
given
+... indicates composite spectra
... indicates truncated spectra (see the source catalogue for more
details, such as peculiarities)
Note on r_Sp:
Source of Spectral Type and Luminosity Class
1 : Michigan Spectral Survey, Vol. 1
2 : Michigan Spectral Survey, Vol. 2
3 : Michigan Spectral Survey, Vol. 3
4 : Michigan Spectral Survey, Vol. 4
K : Fourth Edition of GCVS
S : SIMBAD
X : Miscellaneous
For further details, see Table B3 of the full documentation.
Note on n_Plx:
Type of parallax:
T : trigonometric
D : dynamical
Note on q_RV:
Quality of Radial Velocity (based on the number of observation,
spectrograph dispersion, and interagreement of separate
determinations)
a : 0.5 km/s
b : 1.3 km/s
c : 2.5 km/s
d : 5 km/s
e : not given
Note on r_RV:
Source of Radial Velocity
B : Barbier-Brossat (1989)
E : Evans (1978)
W : GCRV (Wilson 1953)
X : Miscellaneous
For further details, see Table B4 of the full documentation.
Note for VarType:
For further details, see Table V2 of the full documentation.
Note on q_Vmax:
This code gives an estimation of the accuracy of the V magnitudes at
maximum and minimum luminosity given in fields 42 and 43. This
estimate includes the errors of individual measurements and the
possible variability of the maxima and minima. This information is
given for stars with a variability code of 3 or 4 (as specified by the
first char of field 26), whenever the necessary information on the
luminosity curve was available. The code can take the following
values:
1 : <= 0.2 mag
2 : 0.2 - 0.5 mag
3 : 0.5 - 1.0 mag
4 : >= 1.0 mag
Note on MagCode:
Code specifying the magnitudes and colour given in fields Hp, V, and
B-V. This information is given for stars with a variability code of 3
or 4 (as specified by the first character of field 26), whenever the
necessary information on the luminosity curve was available.
1 : magnitude at minimum luminosity
2 : magnitude at maximum luminosity
3 : mean magnitude
4 : weighted magnitude (0.33 max + 0.67 min) for most pulsating
stars
5 : weighted magnitude (0.85 max + 0.15 min) for eclipsing systems
Note on CCDM:
Provisional version of the Catalogue of the Components of Doubles and
Multiple Stars (See <I/211>)
Note on PA:
Position angle between components considered is defined with the
origin at the North and increasing through increasing right ascension.
For some stars only a rough indication of the position angle is given
and not a value in degrees: 'F' : following, 'P' : preceding, 'N' :
North, 'S' : South, or a combination of these letters.
Note on n_CCDM:
O : system with know orbit
A : system is a known astrometric binary
* : the astrometric binary is also a member of an orbital system
Note on FK:
The FK5, FK5 Extension, FK4 Supplement, or IRS (which comprises the
AGK3R/SRS) number are given.
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Catalogue Format Range No. Stars
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A : AGK3R NNNNN 1-21499 19777
F : FK5 NNNN 1- 1670 1535
F : FK5 Ext NNNN 2001- 6125 3103
K : FK4 Sup NNNN 2001- 3997 995
S : SRS NNNNN 1-20495 15472
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Note on AG:
The AGK3 and CPC number are given.
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AGK3 +/- DD NNNN
CPC VV NNNNN
or VV.v NNNNN
Other(*) 0 NNNNN
------------------------
(*) given in the zone -52 to -40deg, following the system adopted
within SIMBAD, with cross-identifications made with the Cape Zone
Catalogue.
For further details, see Table I2 of the full documentation.
Note on Ident1, Ident2:
Up to two identifiers are given in these two fields:
GL, GJ, G, LHS, LTT, LP, L, BPM, CF, McC ( according to this hierarchy).
For further details, see Table I3 of the full documentation.
Note on Ident3:
Identifier for stars in:
- galactic open clusters (see Table B5)
- Large and Small Magellanic Clouds
Sk : Large Magellanic Cloud (Sanduleak, 1969a) -DD NNN
Sk : Small Magellanic Cloud (Sanduleak, 1968, 1969b) NNN
For further details, see Table I4 of the full documentation.
- Stars in following catalogues:
C* : Cool Carbon Stars (Stephensen, 1973)
IRC : Caltech 2 micron Survey (Neugebauer et al. 1969)
PK : Planetary Nebulae (Perek and Kohoutek, 1967)
WD : White Dwarfs (McCook and Sion, 1977)
For further details, see Table I5 of the full documentation.
Note on Status:
S : Survey star
C : Identification chart provided within the faint star Atlas
(annex 2 of the printed version)
T = S+C
Note on Notes:
N : Note explained in the "notes" section of the accompanying full
documentation (section 17), and also in file "notes".
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Byte-by-byte Description of file: annex1.dat
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Bytes Format Units Label Explanations
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1- 10 A10 --- CCDM CCDM number (Catalogue <I/211>)
11 A1 --- rComp Reference component when different from A
12 A1 --- Comp Component considered
14- 19 I6 --- HIC [1/120313]? HIC number as in 'main' file
21- 22 I2 h RAh Right Ascension J2000 (hours)
24- 25 I2 min RAm Right Ascension J2000 (minutes)
27- 31 F5.2 s RAs Right Ascension J2000 (seconds)
33 A1 --- DE- Declination J2000 (sign)
34- 35 I2 deg DEd Declination J2000 (degrees)
37- 38 I2 arcmin DEm Declination J2000 (minutes)
40- 43 F4.1 arcsec DEs Declination J2000 (seconds)
45- 48 F4.1 mag Mag ?Magnitude (generally V, sometimes
photographic for the faintest systems)
50- 53 I4 a Obs ?Year of observation of the relative position
55- 57 A3 deg PA [ 0-9.EFPNS]Position angle
58- 63 F6.1 arcsec Sep ?Separation (arcsec)
65 A1 --- Note1 [O] O=system with known orbit
66 A1 --- Note2 [A] A=astrometric binary
68- 73 F6.3 arcsec/a pmRA ?Proper motion in right ascension
=15.mu_alpha*cos(delta)
75- 80 F6.3 arcsec/a pmDE ?Proper motion in declination
82- 94 A13 --- DM DM number. Last char is a suffix to DM,
or "*" if HD convention is not followed.
96-101 I6 --- HD [1/359083]? HD/HDE number
103-111 A9 --- AG AGK3 or SAO number
113-124 A12 --- IDS IDS number (equinox B1900), with
component indication.
126-130 I5 --- ADS [1/17180]? ADS number
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Byte-by-byte Description of file: notes.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HIC Hipparcos Number
9- 78 A70 --- Text Text of note
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Historical Notes:
* Version 1 of HIC was numbered I/191, and announced in the
Bull. Inf. CDS, 9 (1992)
* 30-Jun-1993: original version ReadMe file [CDS]
* 08-Nov-1994: This ReadMe file rewritten by N. P. Kuin [ADC]
* 23-Oct-1996: This ReadMe file revisited by C. Turon, Paris-Meudon
(catherine.turon@obspm.fr)
* 06-Oct-1997: Added the "notes" file (extracted from intro.cat)
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(End) N. P. Kuin [ADC] (04-Nov-1995); rev. C. Turon [Meudon] 22-Oct-1996