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XO-2 Overview

XO-2 N 1.48 R⦿ 5340.00 K
XO-2 N b
0.993 RJup
XO-2 S 1.00 R⦿ 5374.00 K
XO-2 S b
XO-2 S c
Architecture
XO-2
XO-2 N
XO-2 N b
XO-2 S
XO-2 S b
XO-2 S c
Other Data
Bibliography 29
Exoplanet Archive Notes 4
XO-2 N Nearby Data 4
XO-2 S Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
XO-2 N XO-2 N b Transit 2007 Burke et al. 2007 Confirmed Planet
XO-2 S XO-2 S b Radial Velocity 2014 Desidera et al. 2014 Confirmed Planet
XO-2 S XO-2 S c Radial Velocity 2014 Desidera et al. 2014 Confirmed Planet
XO-2
  • This reference contains discussion regarding the stellar multiplicity of this system. (Damasso et al. 2015)
  • This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
XO-2 N
  • The Iron-line-only with Solar Reference model is chosen since it includes uncertainties. (Ramírez et al. 2015)
XO-2 S
  • The Iron-line-only with Solar Reference model is chosen since it includes uncertainties. (Ramírez et al. 2015)
RA
07h48m06.42s
Dec
+50d13m30.53s
Distance
154.273+1.459-1.433
pc
Parallax
6.4539500±0.0602777 mas
Ecliptic Latitude
28.58414 deg
Ecliptic Longitude
109.32981 deg
Galactic Latitude
29.32831 deg
Galactic Longitude
168.28983 deg
Total Proper Motion
157.1107895±0.0516932 mas/yr
Proper Motion (RA)
-29.7313000±0.0825528 mas/yr
Proper Motion (Dec)
-154.2720000±0.0501829 mas/yr
Photometry
mV
11.246±0.011
mTESS
10.4467±0.0061
mJ
9.744±0.022
mH
9.340±0.026
mKs
9.308±0.021
mW1
9.240±0.022
mW2
9.310±0.019
mW3
9.236±0.038
mW4
8.833±0.443
mIc
10.243±0.012
mGaia
10.971800±0.000514
mB
11.947±0.161
mg
14.8008000±0.0100065
mi
10.8006000±0.0004149
mr
14.4984000±0.0114432
mu
14.9353000±0.0067085
mz
13.0957000±0.0152614
Abundances
(Hypatia Catalog)
[Fe/H] 0.40±0.02 dex
[C/H] 0.40±0.06 dex
[O/H] 0.29±0.03 dex
[Na/H] 0.35±0.03 dex
[Mg/H] 0.34±0.06 dex
[Al/H] 0.35±0.04 dex
[Si/H] 0.34±0.06 dex
[Ca/H] 0.40±0.02 dex
[Y/H] 0.26±0.08 dex
[BaII/H] 0.39±0.15 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Yalçınkaya et al. 2024
 TICv8
 Gaia DR2 Bonomo et al. 2017
 Zellem et al. 2015
 Ramírez et al. 2015 Damasso et al. 2015
 Knutson et al. 2014
 Mortier et al. 2013 Teske et al. 2013 Crouzet et al. 2012
 Southworth 2012
 Southworth 2010
 Fernandez et al. 2009
 Torres et al. 2008
 Burke et al. 2007 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5340±32
5267.000+190.150-115.327
5167.900+80.133-106.500
 5332±57 5343 5307±19 5332±57 --- 5350±72 5343±78 --- 5340±50 5340±50 --- 5340±80 --- 5267.0±152.7
L✶
(log10(L⦿))
---
-0.08823480+0.02141575-0.01451242
-0.10751163+0.00530122-0.00536674
 --- --- ---
-0.155 +0.024-0.026
--- --- --- --- --- --- --- -0.162±0.049 --- ---
Metallicity
(dex)
--- 0.38±0.10 [M/H] --- 0.430±0.050 0.39 [Fe/H] 0.41±0.02 [Fe/H] 0.43±0.05 [Fe/H] 0.35±0.08 [Fe/H] 0.42±0.07 [Fe/H] 0.39±0.14 [Fe/H] --- 0.45±0.05 [Fe/H] 0.45±0.05 [Fe/H] --- --- --- ---
ρ✶
(g/cm3)
---
0.99574060+0.29120950-0.27233610
 --- --- --- --- --- --- 1.03±0.09 ---
1.410+0.040-0.039
1.457+0.179-0.082
1.461+0.180-0.082
 --- --- --- ---
M✶
(M⦿)
---
0.9020000+0.1321010-0.0971225
 --- 0.960±0.050 --- --- 0.97±0.05 0.98±0.02 1.08±0.13 --- 0.971
0.9240+0.0930-0.1740
0.9460+0.0710-0.0770
 0.971±0.034 --- --- ---
R✶
(R⦿)
---
1.0849500+0.0869678-0.0690573
1.1022209+0.0468730-0.0334030
 0.9980±0.0330 0.964 ---
1.01 +0.1-0.07
--- 1.48±0.51 --- 0.990±0.009
0.9620+0.0370-0.0700
0.9700+0.0330-0.0410
 0.976±0.024 --- --- 1.08±0.08
log g
(log10(cm/s2))
---
4.322460+0.106443-0.091619
 --- --- 4.49 4.30±0.05 4.44±0.08 --- 4.14±0.22 4.49±0.25 4.433±0.008
4.436+0.039-0.040
4.440+0.038-0.023
 --- --- --- 4.32±0.10
γ
(km/s)
--- --- 47.682192406248646±0.240100362850442 --- --- --- 46.9329±0.0017 --- --- --- --- --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- 1.070±0.090 --- --- 1.07±0.09 --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- ---
7.8+1.2-1.3
 --- ---
7.9 +2.3-3.0
--- --- --- ---
6.50+23.80-5.20
1.9+6.5-2.7
 --- --- --- ---
Prot
(days)
--- --- --- 28.6±1.3 --- --- --- --- --- --- --- --- --- --- --- --- ---
Sp. T
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- K0 V ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Crouzet et al. 2012
 Yalçınkaya et al. 2024
 Kokori et al. 2023
 Ivshina & Winn 2022 Kokori et al. 2022
 Bonomo et al. 2017
 Zellem et al. 2015
 Baluev et al. 2015
 Damasso et al. 2015
 Knutson et al. 2014
 Southworth 2012
 Southworth 2010
 Fernandez et al. 2009
 Torres et al. 2008
 ExoFOP-TESS TOI
 Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
7.986+0.074-0.073
 ---
7.93+0.10-0.09
 --- --- --- 7.986 --- --- ---
8.0841+0.3193-0.1539
8.0841+0.3193-0.1539
 ---
8.2+0.1-0.2
 ---
Teq
(K)
--- --- --- --- --- --- --- --- --- ---
1328+17-28
1328+17-28
 ---
1319+24-23
 1267
b
0.280+0.036-0.044
 --- --- --- --- --- --- 0.0894 --- --- --- --- ---
0.158+0.110-0.085
 ---
Mp
(M⨁)
180±8 --- --- --- ---
189+7-7
 --- --- 189.737±6.674 200±5
188+13-25
176+21-20
 179.566±17.162 180±17 ---
Mp
(MJup)
0.566±0.025 --- --- --- ---
0.595+0.022-0.021
 --- --- 0.597±0.021 0.629±0.017
0.593+0.041-0.079
0.555+0.065-0.062
 0.565±0.054 0.566±0.055 ---
i
(deg)
88.01+0.33-0.28
 ---
88.0+0.4-0.3
 --- ---
87.96+0.42-0.34
 88.01 --- --- --- 88.8±1.2 88.8±1.2 ---
88.90+0.60-0.75
 ---
P
(days)
2.61586178 2.615859462±0.000000054 2.61585982±0.00000017 2.61585906±0.00000025 2.61585978±0.00000019 2.61585922±0.00000028 2.61586178 2.61585779±0.00000043 2.61585922±0.00000028 --- 2.6158640±0.0000016 2.6158640±0.0000016 2.6158640±0.0000016 2.615857 2.6158597±0.0000009
ρ
(g/cm3)
0.715+0.041-0.040
 --- --- --- ---
0.698+0.073-0.066
 --- ---
0.70 +0.072-0.064
---
0.77406+0.15827-0.06517
0.75677+0.15960-0.09709
 ---
0.741+0.100-0.091
 ---
Rp
(R⨁)
11.13±0.13 --- --- --- --- 11.42±0.35 --- --- 11.422±0.347 ---
11.03+0.46-0.94
11.12+0.44-0.68
11.164 +0.347-0.202
11.02+0.33-0.31
 13.120400±0.946292
Rp
(RJup)
0.9930±0.0120 --- --- --- --- 1.019±0.031 --- --- 1.019±0.031 ---
0.9840+0.0410-0.0840
0.9920+0.0390-0.0610
0.996 +0.031-0.018
0.9830+0.0290-0.0280
 1.1705257±0.0844227
Rp/R✶
0.10304±0.00037 --- 0.1049±0.0006 --- --- --- --- 0.1036±0.0013 --- --- --- --- ---
0.10395+0.00090-0.00085
 ---
K
(m/s)
--- --- --- --- --- 90.17±0.82 --- --- 90.17±0.82
93.9+2.1-2.2
 92.2±1.7 85±8 --- 85±8 ---
a
(au)
0.0368 --- --- --- --- 0.03665±0.00064 --- --- 0.03673±0.00064 ---
0.03616+0.00119-0.00247
0.03647+0.00091-0.00100
 0.0368±0.0004
0.03684+0.00040-0.00043
 ---
T14
(hours)
2.6839+0.0066-0.0077
 --- --- --- --- --- --- 2.6712±0.0154 --- --- --- --- --- --- 2.517±0.060
TC
(days)
2454508.73829+0.00014-0.00016
 2458843.218463±0.000069 2457417.57469±0.00013 2456737.45107±0.00020 2456923.17711±0.00015 2455565.546480±0.000054 --- 2455139.16092±0.00013 2455565.546480±0.000054 --- --- --- 2454466.88467±0.00012 --- 2459957.5744120±0.0002035
S
(S⨁)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- 428.036
δ
(%)
--- --- --- --- --- --- --- --- --- --- --- ---
1.099 +0.015-0.013
 --- 1.3363000±0.0135919
ω
(deg)
--- --- --- --- --- --- --- --- ---
261+11-71
 --- --- --- --- ---
e
--- --- --- --- --- <0.0060 0 --- <0.006
0.028+0.038-0.022
 --- --- --- --- ---
λ
(deg)
--- --- --- --- --- --- --- --- 7±11 --- --- --- --- --- ---
ψ
(deg)
--- --- --- --- --- --- --- ---
27 +12-27
 --- --- --- --- --- ---
Print
RA
07h48m07.43s
Dec
+50d13m00.86s
Distance
151.398+0.955-0.944
pc
Parallax
6.5765500±0.0411226 mas
Ecliptic Latitude
28.57663 deg
Ecliptic Longitude
109.33474 deg
Galactic Latitude
29.3298 deg
Galactic Longitude
168.29963 deg
Total Proper Motion
157.1566271±0.0445912 mas/yr
Proper Motion (RA)
-29.3166000±0.0627735 mas/yr
Proper Motion (Dec)
-154.3980000±0.0437949 mas/yr
Photometry
mV
11.196±0.012
mTESS
10.4164±0.0061
mJ
9.742±0.022
mH
9.371±0.027
mKs
9.272±0.021
mW1
9.239±0.022
mW2
9.306±0.019
mW3
9.272±0.041
mW4
8.256
mIc
10.216±0.013
mGaia
10.927800±0.000421
mB
12.051±0.162
mg
10.9208000±0.0003161
mi
14.5936000±0.0125255
mr
10.9759000±0.0005358
mu
14.7371000±0.0062489
mz
11.0220000±0.0021831
Abundances
(Hypatia Catalog)
[Fe/H] 0.32±0.02 dex
[C/H] 0.31±0.06 dex
[O/H] 0.24±0.08 dex
[Na/H] 0.34±0.02 dex
[Mg/H] 0.36±0.06 dex
[Al/H] 0.30±0.04 dex
[Si/H] 0.35±0.08 dex
[Ca/H] 0.34±0.02 dex
[Y/H] 0.19±0.08 dex
[BaII/H] 0.31±0.15 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source TICv8 Gaia DR2 Stassun et al. 2017
 Ramírez et al. 2015 Damasso et al. 2015 Desidera et al. 2014
 Teske et al. 2013
Teff
(K)
5547.000+118.141-114.646
5444.175+102.825-179.725
 5399±55 5374±16 --- 5399±55 5547±59
Metallicity
(dex)
0.28±0.14 [M/H] --- 0.39 [Fe/H] 0.35±0.02 [Fe/H] --- 0.39±0.05 [Fe/H] 0.28±0.14 [Fe/H]
log g
(log10(cm/s2))
4.4606600+0.0796017-0.0721716
 --- 4.43±0.08 4.33±0.04 --- 4.43±0.08 4.22±0.24
M✶
(M⦿)
0.9770000+0.1184070-0.1184690
 --- 0.980±0.200 --- --- 0.982±0.054 ---
R✶
(R⦿)
0.96305000+0.05062060-0.04593720
0.975617650+0.067750900-0.035835000
 1.00±0.04 --- ---
1.02 +0.09-0.07
---
L✶
(log10(L⦿))
-0.1017747+0.0142648-0.0142618
-0.1230177+0.0039235-0.0039593
 --- --- --- --- ---
γ
(km/s)
--- 46.84828798172646±0.44187266439643 --- --- --- 46.543±0.001 ---
v sin i
(km/s)
--- --- --- --- 1.5±0.3 1.7±0.4 ---
Age
(Gyr)
--- --- --- --- ---
7.1 +2.5-2.9
---
ρ✶
(g/cm3)
1.5420962+0.3580479-0.2909473
 --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Stassun et al. 2017
 Desidera et al. 2014
Tp
(days)
---
2456413.11 +0.82-0.86
ω
(deg)
--- 311.9±9.5
Mp sin i
(M⨁)
83±13 82.315±4.449
Mp sin i
(MJup)
0.26±0.04 0.259±0.014
e
0.18±0.04 0.180±0.035
P
(days)
18.15700±0.03400 18.157±0.034
K
(m/s)
20.6±0.9 20.64±0.85
a
(au)
0.13±0.00 0.1344±0.0025
Print
XO-2 S c Planetary Parameters (1 Solutions)
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Desidera et al. 2014
Tp
(days)
2456408.1 +1.8-1.9
ω
(deg)
264.5±4.9
Mp sin i
(M⨁)
435.409±16.844
Mp sin i
(MJup)
1.370±0.053
e
0.1528 +0.0094-0.0098
P
(days)
120.80±0.34
K
(m/s)
57.68±0.69
a
(au)
0.4756±0.0087
Print
Literature Time Series (3 File Types, 45 Files)
File Type Data Points Filter Reference
Photometric Light Curve     593 Clear, no filter Fernandez et al. 2009
Photometric Light Curve     516 z (Sloan) Fernandez et al. 2009
Photometric Light Curve     465 z (Sloan) Fernandez et al. 2009
Photometric Light Curve     450 z (Sloan) Fernandez et al. 2009
Photometric Light Curve     425 z (Sloan) Fernandez et al. 2009
Photometric Light Curve     181 z (Sloan) Fernandez et al. 2009
Photometric Light Curve     76 B (Johnson) Burke et al. 2007
Photometric Light Curve     13 B (Johnson) Burke et al. 2007
Photometric Light Curve     499 BB (XO) Burke et al. 2007
Photometric Light Curve     229 Clear, no filter Burke et al. 2007
Photometric Light Curve     45 Clear, no filter Burke et al. 2007
Photometric Light Curve     163 Ic (Cousins) Burke et al. 2007
Photometric Light Curve     13 Ic (Cousins) Burke et al. 2007
Photometric Light Curve     734 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     715 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     675 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     519 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     392 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     222 Rc (Cousins) Burke et al. 2007
Photometric Light Curve     344 V (Johnson) Burke et al. 2007
Photometric Light Curve     162 V (Johnson) Burke et al. 2007
Photometric Light Curve     13 V (Johnson) Burke et al. 2007
Photometric Light Curve     1619 W (XO) Burke et al. 2007
Photometric Light Curve     1404 W (XO) Burke et al. 2007
Photometric Light Curve     7936 Clear, no filter SuperWASP Consortium
Radial Velocity Curve     30 Optical Spectra Thomas et al. 2016
Radial Velocity Curve     30 Optical Spectra Thomas et al. 2016
Radial Velocity Curve     16 Optical Spectra Burke et al. 2007
Amateur Light Curve     464 B (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     568 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     352 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     269 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     217 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     216 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     165 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     519 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     439 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     275 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     194 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     190 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     180 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     148 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     65 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     53 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     36 R (Generic) Amateur-Contributed Light Curves
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 SuperWASP Time Series
1 Associated Literature Data
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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