II/322 OGLE-III. Magellanic Clouds stellar proper motions (Poleski+, 2012)
The Optical Gravitational Lensing Experiment.
The catalog of stellar proper motions toward the Magellanic Clouds.
Poleski R., Soszynski I., Udalski A., Szymanski M.K., Kubiak M.,
Pietrzynski G., Wyrzykowski L., Ulaczyk K.
<Acta Astron., 62, 1-22 (2012)>
=2012AcA....62....1P 2012AcA....62....1P
ADC_Keywords: Surveys ; Magellanic Clouds ; Proper motions
Keywords: Astrometry - Catalogs - Stars: kinematics and dynamics -
binaries: visual - globular clusters: individual: 47 Tuc
Abstract:
We present a catalog of over 6.2million stars with measured proper
motions. All these stars are observed in the direction of the
Magellanic Clouds within the brightness range 12<I<19mag. Based on
these proper motions about 440000 Galactic foreground stars can be
selected. Because the proper motions are based on a few hundred epochs
collected during eight years, their statistical uncertainties are
below 0.5mas/yr for stars brighter than I=18.5mag. The parallaxes
are derived with uncertainties down to 1.6mas. For above 13000
objects parallaxes are derived with significance above 3σ, which
allows selecting about 270 white dwarfs (WDs). The search for common
proper motion binaries among stars presented was performed resulting
in over 500 candidate systems. The most interesting ones are candidate
halo main sequence star-WD and WD-WD systems. The application of the
catalog to the empirically bound Cepheid instability strip is also
discussed.
Description:
The OGLE-III project observed the Large Magellanic Cloud, the Small
Magellanic Cloud, and the globular cluster 47 Tuc between 2001 and
2009 with the 1.3-m Warsaw telescope, which is situated at the Las
Campanas Observatory, Chile. The telescope was equipped with an
eight-chip mosaic CCD camera. The field of view was 36'x36' and the
pixel scale was 0.26"/pix. I-band filter was used.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
catalog.dat 146 6265781 OGLE-III Catalog of proper motions and parallaxes
catalog/* . 1256 *Catalog of 6,265,781 stars in 1256 subfields
variable.dat 98 237 Proper motions of variable stars
cpm.dat 69 530 List of common proper motion binaries
remarks.dat 170 77 Individual notes
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Note on catalog/*: Data for stars with proper motions higher than 100mas/yr
were copied from Poleski et al. 2011 (J/AcA/61/199).
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See also:
J/MNRAS/327/601 : OGLE-II High proper motion stars (Eyer+, 2001)
J/AcA/52/143 : OGLE high proper motion stars towards MC (Soszynski+, 2002)
J/AcA/59/1 : LMC RR Lyrae stars VI light curves (Soszynski+, 2009)
J/AcA/59/239 : LMC long-period variables VI light curves (Soszynski+, 2009)
J/AcA/60/1 : LMC delta Scuti stars VI light curves (Poleski+, 2010)
J/AcA/60/17 : SMC classical Cepheids VI light curves (Soszynski+, 2010)
J/AcA/60/165 : SMC RR Lyrae VI light curves (Soszynski+, 2010)
J/AcA/61/103 : LMC eclipsing binaries VI light curves (Szymanski+, 2011)
J/AcA/61/199 : OGLE3 Magellanic Clouds high pm stars (Poleski+, 2011)
J/AcA/61/217 : SMC long-period variables VI light curves (Soszynski+, 2011)
ftp://ftp.astrouw.edu.pl/ogle/ogle3/pm/mcs/ : Original OGLE files
Byte-by-byte Description of file: catalog.dat catalog/*
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Bytes Format Units Label Explanations
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1- 15 A15 --- Name OGLE-III star ID (G1)
17- 18 I2 h RAh Right ascension, (Equinoxr,Epoch=J2000) (hours)
19 A1 --- --- [:]
20- 21 I2 min RAm Right ascension, (Equinox,Epoch=J2000) (minutes)
22 A1 --- --- [:]
23- 27 F5.2 s RAs Right ascension, (Equinox,Epoch=J2000) (seconds)
29 A1 --- DE- Declination, (Equinox,Epoch=J2000) (sign)
30- 31 I2 deg DEd Declination, (Equinox,Epoch=J2000) (degrees)
32 A1 --- --- [:]
33- 34 I2 arcmin DEm Declination, (Equinox,Epoch=J2000) (arc minutes)
35 A1 --- --- [:]
36- 39 F4.1 arcsec DEs Declination, (Equinox,Epoch=J2000) (arc seconds)
41- 46 F6.3 mag Imag [11.6/21.1] I-band magnitude
48- 53 F6.3 mag V-I [-4.3/8.0]?=9.999 V-I color index (1)
55- 61 F7.2 mas/yr pmRA Proper motion in RA (µαcosδ)
63- 67 F5.2 mas/yr e_pmRA Statistical uncertainty of proper motion in RA
69- 72 F4.2 mas/yr s_pmRA Systematic uncertainty of proper motion in RA
74- 80 F7.2 mas/yr pmDE Proper motion in Ceclination (µδ)
82- 86 F5.2 mas/yr e_pmDE Statistical uncertainty of proper motion in DE
88- 91 F4.2 mas/yr s_pmDE Systematic uncertainty of proper motion in DE
93- 98 F6.2 mas/yr pm [0/723] Total proper motion (µ)
100-105 F6.2 mas plx [-91/92]?=0 Parallax π (2)
107-111 F5.2 mas e_plx [1.5/10.6]?=0 Uncertainty of parallax (2)
113-119 F7.2 mas r [-554/254] Differential refraction coefficient
121-125 F5.2 mas e_r [0.2/81] Uncertainty of r
127-132 F6.2 --- chi2 [0.2/321] Reduced χ2 of proper motion fit
134-137 F4.2 --- chi2l [1.1/7.7] χ2lim(I) limit for high
reliability of the proper motion fit
(see section 3)
139-142 I4 --- N [20/1228] Number of points used in the fit
144 I1 --- fv [0/1] Visual inspection flag (1=inspected)
146 I1 --- fi [0/1] Images used in the fit flag: 0=all,
1=best seeing images only.
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Note (1): V-I color of "9.999" indicates V-band brightness is unknown.
Note (2): Parallax and its uncertainty equal to "0.00" indicate
that it was not possible to measure it. Negative parallaxes are
included to allow statistical modeling of the Galaxy kinematics
without selection effects.
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Byte-by-byte Description of file: variable.dat
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Bytes Format Units Label Explanations
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1- 5 A5 --- --- [OGLE-]
6- 20 A15 --- OGLE OGLE-III Variable ID (1)
22- 36 A15 --- Name OGLE-III star ID (G1)
38- 39 I2 h RAh Right ascension, equinox J2000.0 (hours)
41- 42 I2 min RAm Right ascension, equinox J2000.0 (minutes)
44- 48 F5.2 s RAs Right ascension, equinox J2000.0 (seconds)
50 A1 --- DE- Declination, equinox J2000.0 (sign)
51- 52 I2 deg DEd Declination, equinox J2000.0 (degrees)
54- 55 I2 arcmin DEm Declination, equinox J2000.0 (arc minutes)
57- 60 F4.1 arcsec DEs Declination, equinox J2000.0 (arc seconds)
62- 67 F6.3 mag Imag [12/19] I-band brightness (1)
69- 74 F6.3 mag V-I [-1.3/3.8]?=9.999 V-I color index (1)
76- 81 F6.2 mas/yr pmRA Proper motion in RA (µαcosδ)
83- 88 F6.2 mas/yr pmDE Proper motion in Declination (µδ)
90- 94 F5.2 mas/yr pm [3.9/62] Total proper motion µ
96- 98 I3 --- o_pm [80/983] Number of points used in the fit
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Note (1): All OGLE-III Catalog of Variable Stars IDs, I-band brightness and
V-I colors were taken from the papers:
* OGLE-LMC-DSCT-NNNN (Poleski et al., 2010, Cat. J/AcA/60/1),
* OGLE-LMC-ECL-NNNNN (Graczyk et al., 2011, Cat. J/AcA/61/103),
* OGLE-LMC-LPV-NNNNN (Soszynski et al., 2009, Cat. J/AcA/59/239),
* OGLE-LMC-RRLYR-NNNNN (Soszynski et al., 2009, Cat. J/AcA/59/1),
* OGLE-SMC-CEP-NNNN (Soszynski et al., 2010, Cat. J/AcA/60/17),
* OGLE-SMC-LPV-NNNNN (Soszynski et al., 2011, Cat. J/AcA/61/217),
* OGLE-SMC-RRLYR-NNNN (Soszynski et al., 2010, Cat. J/AcA/60/165).
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Byte-by-byte Description of file: cpm.dat
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Bytes Format Units Label Explanations
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1- 15 A15 --- Name1 OGLE-III ID of first star (G1)
17- 31 A15 --- Name2 OGLE-III ID of second star (G1)
33- 37 F5.2 [-] logN [-7.2/-0.1] Expected number of unrelated pairs (2)
39- 45 F7.2 arcsec Sep [0.3/1490] Angular separation Δθ
47- 51 F5.2 mas/yr Dpm [0/30] Vector proper motion difference Δµ
53- 59 A7 --- Pop1 Population to which the first star belongs (3)
61- 67 A7 --- Pop2 Population to which the second star belongs (3)
69 I1 --- Flag [1/5] Reduced proper motion diagram
verification flag, 1=positive (1)
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Note (1): Reduced proper motion diagram verification flag as follows:
1 = positively verified
2 = negatively verified
3 = questionable case
4 = verification not possible because of proximity of star on the
sky or on the reduced proper motion diagram
5 = verification not possible because at least one of the components
lacks color information
Note (2): Expected number of unrelated pairs NUP having an angular
separation Δθ greater than the Sep value, the vector proper
motion difference Δµ smaller than the Dpm value, and which are
found among stars with proper motion µ larger than the common proper
motion (see section 6.2)
Note (3): population according the the reduced proper motion diagram:
DISK, HALO, WD, or NOCOLOR.
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Byte-by-byte Description of file: remarks.dat
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Bytes Format Units Label Explanations
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1- 15 A15 --- Name OGLE-III star ID (G1)
17-170 A154 --- Note Text of the note
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Global notes:
Note (G1): Fields are LMC100.1-LMC100.8 to LMC215.1-LMC215.8,
and SMC100.1-SMC100.8 to SMC140.1-SMC140.8.
Stars are identified as <LMCNNN.N.NNNNN> or <SMCNNN.N.NNNNN>.
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History:
* 04-Jun-2012: Copied at ftp://ftp.astrouw.edu.pl/ogle/ogle3/pm/mcs/
* 14-Jul-2015: ReadMe and data prepared by Radoslaw Poleski
(End) Patricia Vannier [CDS], Radoslaw Poleski [OGLE, OSU] 14-Jul-2015