K2-233 Overview
K2-233
0.71
R⦿
5033.00
K
K2-233 b
0.117
RJup
K2-233 c
0.113
RJup
K2-233 d
0.211
RJup
- Other Data
- Bibliography 9
- Exoplanet Archive Notes 6
- Nearby Data 6
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-233 | K2-233 b | Transit | 2018 | David et al. 2018 | Confirmed Planet |
| K2-233 | K2-233 c | Transit | 2018 | David et al. 2018 | Confirmed Planet |
| K2-233 | K2-233 d | Transit | 2018 | David et al. 2018 | Confirmed Planet |
K2-233 b
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (David et al. 2018)
- RV semi-amplitude, planet mass and density are two-sigma upper limits. (Lillo-Box et al. 2020)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (David et al. 2018)
- RV semi-amplitude, planet mass and density are two-sigma upper limits. (Lillo-Box et al. 2020)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (David et al. 2018)
- RV semi-amplitude, planet mass and density are two-sigma upper limits. (Lillo-Box et al. 2020)
- RA
- 15h21m55.18s
- Dec
- -20d13m54.47s
- Distance
-
67.5062+0.2799-0.2775pc
- Parallax
- 14.7849000±0.0606971 mas
- Ecliptic Latitude
- -1.68296 deg
- Ecliptic Longitude
- 233.31618 deg
- Galactic Latitude
- 30.24863 deg
- Galactic Longitude
- 344.46401 deg
- Total Proper Motion
- 36.9808715±0.1093552 mas/yr
- Proper Motion (RA)
- -19.871300±0.113766 mas/yr
- Proper Motion (Dec)
- -31.188400±0.107513 mas/yr
- Photometry
-
mV10.883±0.014
-
mTESS9.8125±0.0060
-
mJ8.968±0.020
-
mH8.501±0.026
-
mKs8.375±0.023
-
mKep10.422
-
mW18.318±0.023
-
mW28.381±0.021
-
mW38.332±0.025
-
mW48.278±0.322
-
mGaia10.419100±0.000343
-
mB11.813±0.182
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.06±0.04 dex
-
[C/H] 0.04±0.09 dex
-
[O/H] -0.15±0.09 dex
-
Mission
- K2 : Observed in Campaign 15
| Source | Barragán et al. 2023 | Lillo-Box et al. 2020 | TICv8 | Gaia DR2 | David et al. 2018 |
|---|---|---|---|---|---|
|
Teff
(K)
|
4796±66 |
5033+41-35
|
4814.000+105.466-144.128
|
4889.2300+62.0150-64.5796
|
4950±100 |
|
Metallicity
(dex)
|
-0.082±0.028 [Fe/H] | -0.090±0.030 [Fe/H] | --- | --- | 0.070±0.060 [Fe/H] |
|
γ
(km/s)
|
--- |
-9.6483+0.0055-0.0056
|
--- | -10.264443704601566±0.612279004052200 | -9.73±0.20 |
|
ρ✶
(g/cm3)
|
3.08±0.13 |
3.17+0.06-0.04
|
2.6888630+0.8082591-0.6419348
|
--- | --- |
|
M✶
(M⦿)
|
0.79±0.01 | 0.79±0.01 |
0.7800000+0.0894775-0.0894274
|
--- | 0.800±0.032 |
|
R✶
(R⦿)
|
0.71±0.01 | 0.71±0.01 |
0.7422740+0.0589427-0.0437457
|
0.71380436+0.01923690-0.01776910
|
0.745±0.025 |
|
log g
(log10(cm/s2))
|
4.53±0.22 | 4.64±0.01 |
4.5890300+0.0898054-0.0926286
|
--- | 4.71±0.10 |
|
v sin i
(km/s)
|
4.5±1.0 | --- | --- | --- | 4.5±1.0 |
|
Age
(Gyr)
|
0.36+0.49-0.14
|
--- | --- | --- |
0.360+0.490-0.140
|
|
Sp. T
|
K3 | --- | --- | --- | K3 |
|
Prot
(days)
|
9.754±0.038 | --- | --- | --- | 9.754±0.038 |
|
L✶
(log10(L⦿))
|
--- | --- |
-0.5741527+0.0181386-0.0127714
|
-0.58118499+0.00233685-0.00234954
|
-0.523+0.044-0.049
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Barragán et al. 2023 | Lillo-Box et al. 2020 | David et al. 2018 |
|---|---|---|---|
|
a/R✶
|
9.970±0.140 | 10.07±0.05 |
9.49+0.29-0.32
|
|
Teq
(K)
|
1127±14 |
1121+10-9
|
1040+28-26
|
|
b
|
0.20+0.11-0.12
|
0.13+0.13-0.09
|
0.20+0.15-0.14
|
|
S
(S⨁)
|
269±13 | --- | 273±30 |
|
e
|
0 |
0.0790+0.0480-0.0290
|
0 |
|
i
(deg)
|
88.86+0.72-0.66
|
89.3+0.5-0.7
|
88.79+0.82-0.94
|
|
P
(days)
|
2.467583+0.000062-0.000067
|
2.46750±0.00004 | 2.46746±0.00014 |
|
Rp
(R⨁)
|
1.315±0.036 |
1.343+0.018-0.016
|
1.398+0.062-0.060
|
|
Rp
(RJup)
|
0.1173±0.0032 |
0.1198+0.0016-0.0014
|
0.1247+0.0055-0.0054
|
|
Rp/R✶
|
0.01698+0.00041-0.00038
|
0.01743+0.00019-0.00016
|
0.01721+0.00049-0.00047
|
|
a
(au)
|
0.03293±0.00066 |
0.03308+0.00010-0.00009
|
0.03317+0.00044-0.00045
|
|
T14
(hours)
|
1.882+0.037-0.047
|
1.988±0.026 |
1.969+0.062-0.063
|
|
TC
(days)
|
2457991.6897±0.0013 |
2457991.69112+0.00083-0.00084
|
2457991.6910+0.0026-0.0025
|
|
ω
(deg)
|
90 |
248+53-35
|
--- |
|
Mp
(M⨁)
|
2.4+1.5-1.3
|
<11.26 | --- |
|
Mp
(MJup)
|
0.0076+0.0047-0.0041
|
<0.03543 | --- |
|
ρ
(g/cm3)
|
5.7+3.7-3.2
|
<26.26 | --- |
|
K
(m/s)
|
1.31+0.81-0.74
|
<6.27 | --- |
|
Tp
(days)
|
2457991.6897±0.0013 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Barragán et al. 2023 | Lillo-Box et al. 2020 | David et al. 2018 |
|---|---|---|---|
|
a/R✶
|
20.10±0.28 |
20.30+0.11-0.10
|
19.34+0.67-0.74
|
|
Teq
(K)
|
794±10 |
790+7-6
|
728+20-19
|
|
b
|
0.15+0.12-0.10
|
0.13+0.14-0.09
|
0.36+0.15-0.21
|
|
S
(S⨁)
|
66.2±3.3 | --- |
67.1+7.4-7.3
|
|
e
|
0 | <0.2002 | 0 |
|
i
(deg)
|
89.57+0.29-0.35
|
89.6+0.3-0.4
|
88.95+0.61-0.47
|
|
P
(days)
|
7.06024+0.00044-0.00043
|
7.06005+0.00024-0.00027
|
7.06142±0.00084 |
|
Rp
(R⨁)
|
1.272±0.038 |
1.281+0.022-0.021
|
1.335+0.083-0.077
|
|
Rp
(RJup)
|
0.1135±0.0034 |
0.1143+0.0020-0.0019
|
0.1191+0.0074-0.0069
|
|
Rp/R✶
|
0.01642±0.00044 |
0.01663+0.00026-0.00024
|
0.01643+0.00084-0.00078
|
|
a
(au)
|
0.0664±0.0013 |
0.06666+0.00020-0.00018
|
0.06687+0.00088-0.00090
|
|
T14
(hours)
|
2.687+0.051-0.064
|
2.796+0.057-0.053
|
2.65+0.13-0.15
|
|
TC
(days)
|
2457586.862+0.027-0.028
|
2457586.87653+0.01769-0.01567
|
2457996.3522+0.0056-0.0057
|
|
ω
(deg)
|
90 |
261+52-44
|
--- |
|
Mp
(M⨁)
|
4.6+1.8-1.7
|
<12.81 | --- |
|
Mp
(MJup)
|
0.014+0.006-0.005
|
<0.04030 | --- |
|
ρ
(g/cm3)
|
12.4+5.1-4.6
|
<33.91 | --- |
|
K
(m/s)
|
1.81+0.71-0.67
|
<5.02 | --- |
|
Tp
(days)
|
2457586.862+0.027-0.028
|
--- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Barragán et al. 2023 | Kokori et al. 2023 | Lillo-Box et al. 2020 | David et al. 2018 |
|---|---|---|---|---|
|
a/R✶
|
45.91±0.65 |
44.2+1.6-1.8
|
46.36±0.24 |
44.2+1.6-1.8
|
|
Teq
(K)
|
525±6 | --- |
523+5-4
|
482+14-13
|
|
b
|
0.28+0.16-0.18
|
--- |
0.32+0.11-0.20
|
0.500+0.065-0.079
|
|
S
(S⨁)
|
12.7±0.6 | --- | --- | 12.9±1.4 |
|
e
|
0.18±0.09 | --- | <0.1999 | 0 |
|
i
(deg)
|
89.62+0.24-0.18
|
89.35+0.12-0.11
|
89.6+0.2-0.1
|
89.35+0.12-0.11
|
|
P
(days)
|
24.3681+0.0013-0.0014
|
24.365430±0.000021 | 24.36450±0.00068 | 24.3662±0.0021 |
|
Rp
(R⨁)
|
2.363±0.062 | --- |
2.358+0.043-0.036
|
2.64±0.11 |
|
Rp
(RJup)
|
0.2108±0.0055 | --- |
0.2104+0.0038-0.0032
|
0.236±0.010 |
|
Rp/R✶
|
0.03051+0.00069-0.00065
|
0.0325±0.0008 |
0.03062+0.00048-0.00040
|
0.03254+0.00080-0.00079
|
|
a
(au)
|
0.1516±0.0030 | --- |
0.15224+0.00046-0.00042
|
0.1527+0.0020-0.0021
|
|
T14
(hours)
|
3.791+0.102-0.085
|
--- | 3.838±0.033 |
3.808+0.089-0.088
|
|
TC
(days)
|
2458005.5802+0.0016-0.0014
|
2458151.77395±0.00034 |
2458005.58237+0.00092-0.00088
|
2458005.5801+0.0025-0.0024
|
|
ω
(deg)
|
168+20-25
|
--- |
139+100-82
|
--- |
|
Mp
(M⨁)
|
10.3+2.4-2.6
|
--- | <21.14 | --- |
|
Mp
(MJup)
|
0.0324+0.0076-0.0082
|
--- | <0.06651 | --- |
|
ρ
(g/cm3)
|
4.3±1.1 | --- | <8.85 | --- |
|
K
(m/s)
|
2.72+0.66-0.70
|
--- | <5.45 | --- |
|
Tp
(days)
|
2458009.27+1.43-0.86
|
--- | --- | --- |
- Known Objects
- 3 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 K2 Time Series
- 3 Associated Literature Data
-
Revisiting K2-233 spectroscopic time-series with multidimensional Gaussian processes
Barragán et al. 2023 | Reference Overview -
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
Lillo-Box et al. 2020 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Three Small Planets Transiting the Bright Young Field Star K2-233
David et al. 2018 | Reference Overview -
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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