Index of /ogle/ogle4/planets/wide_orbit_rate
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Wide-Orbit Exoplanets are Common.
Analysis of Nearly 20 Years of OGLE Microlensing Survey Data
R. Poleski, J. Skowron, P. Mr�z, A. Udalski,
M.K. Szymanski, P. Pietrukowicz, K. Ulaczyk, K. Rybicki,
P. Iwanek, M.Wrona and M. Gromadzki
Acta Astronomica 71, 1 (2021); arXiv: 2104.02079
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rpoleski@astrouw.edu.pl
This directory presents results of analysis of occurrence of wide-orbit
microlensing planets.
The directory structure is as follows:
README - this file,
fields.dat - information on fields studied,
events.dat - list of microlensing events analyzed,
detection_eff.dat - detection efficiency
post_def.dat - posterior samples for default selection criteria,
post_ext.dat - posterior samples for extended selection criteria,
post_def_add_ob170114.dat - posterior samples for default selection
criteria and assuming wide-orbit solution for
OGLE-2017-BLG-0114,
post_ext_add_ob170114.dat - posterior samples for extended selection
criteria and assuming wide-orbit solution for
OGLE-2017-BLG-0114.
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Byte-by-byte Description of file: fields.dat
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Bytes Format Units Label Explanations
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1- 6 A6 --- Name Name of the field
8- 9 I2 h RAh Right Ascension J2000 (hours)
11- 12 I2 min RAm Right Ascension J2000 (minutes)
14- 17 F4.1 s RAs Right Ascension J2000 (seconds)
19- 21 I3 deg DEd Declination J2000 (degrees)
23- 24 I2 arcmin DEm Declination J2000 (arcminutes)
26- 27 I2 arcsec DEs Declination J2000 (arcseconds)
29 A1 --- OGLEphase OGLE phase: 3 or 4
31- 37 F7.2 d DeltaTime Total time of observations
39- 43 I5 --- Nepochs Number of epochs
45- 50 F6.4 d MedianDT Median time difference between consecutive epochs
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Byte-by-byte Description of file: events.dat
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Bytes Format Units Label Explanations
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1- 16 A16 --- Name Event name
18- 19 I2 h RAh Right Ascension J2000 (hours)
21- 22 I2 min RAm Right Ascension J2000 (minutes)
24- 28 F5.2 s RAs Right Ascension J2000 (seconds)
30- 32 I3 deg DEd Declination J2000 (degrees)
34- 35 I2 arcmin DEm Declination J2000 (arcminutes)
37- 40 F4.1 arcsec DEs Declination J2000 (arcseconds)
42- 42 I1 --- OGLEphase Phase of OGLE project: 3 or 4
44- 61 A18 --- EWSid ID on EWS website or "-" if not announced there
63- 67 I5 --- Nepochs Number of epochs
69- 76 F8.5 --- chi2dof Chi^2 per number of degrees of freedom
78- 90 F13.5 --- t0 HJD of minimum separation
92-100 F9.6 --- u0 Impact parameter relative to theta_E
102-111 F10.6 d tE Einstein ring crossing time
113-120 F8.5 --- piEN North component of microlensing parallax
122-129 F8.5 --- piEE East component of microlensing parallax
131-137 I7 --- t0par HJD of parameter reference epoch
139-144 F6.3 mag Ibase Baseline brightness in I band
146-151 F6.3 mag Isource Source brightness in I band
153-158 F6.3 mag IRC Red clump brightness in I band
160-160 A1 --- f_IRC Flag for IRC (1)
162-169 F8.6 --- rho Source radius relative to theta_E
171-178 F8.6 --- e_rho Error on rho (lower value)
180-187 F8.6 --- E_rho Error on rho (upper value)
189-189 A1 --- f_rho Flag for rho (2)
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Note (1):
N = value from Nataf et al. (2013; ApJ 769, 88)
f = value fitted by the authors
- = no data
Note (2):
m = value from Galactic model
f = value from microlensing fit
- = no data
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Byte-by-byte Description of file: detection_eff.dat
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Bytes Format Units Label Explanations
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1- 3 F3.1 --- s Projected separation relative to Einstein ring radius
5- 12 F8.6 --- q Mass-ratio
14- 20 F7.3 --- SensitivityDefault Survey sensitivity for default detection criteria (Fig. 6 of the paper)
22- 28 F7.3 --- SensitivityExtend Survey sensitivity for extended detection criteria
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Byte-by-byte Description of files: post_def.dat, post_ext.dat,
post_def_add_ob170114.dat, and post_ext_add_ob170114.dat
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1- 8 F8.6 --- A Multiplicative constant
10- 18 F9.6 --- n Exponent of s
20- 28 F9.6 --- m Exponent of q
30- 38 F9.6 --- log10(prior) Log10 of prior probability
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Any presentation of the scientific analysis or usage of the data from this
directory should include appropriate reference to the paper.
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