K2-123 Overview
-
Star:
K2-123
- Stellar Radius: 0.59 Solar Radius
- Stellar Effective Temperature: 3880.00 K
-
Planet:
K2-123 b
- Disposition Confirmed
- Planet Radius 0.246 Jupiter Radius
K2-123 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-123 | ||||||
| K2-123 b | 30.95 d | 2.76 R⨁ | Transit | 2017 | Dressing et al. 2017 | Confirmed Planet |
- RA
- 08h57m46.59s
- Dec
- +21d27m11.79s
- Distance
- 161.555±0.652 pc
- Parallax
- 6.1609900±0.0248026 mas
- Ecliptic Latitude
- 4.08587 deg
- Ecliptic Longitude
- 130.79159 deg
- Galactic Latitude
- 36.91396 deg
- Galactic Longitude
- 205.51379 deg
- Total Proper Motion
- 59.9782225±0.0291520 mas/yr
- Proper Motion (RA)
- -11.4801000±0.0435134 mas/yr
- Proper Motion (Dec)
- -58.8693000±0.0284632 mas/yr
- Photometry
- mV 14.781±0.034
- mTESS 13.1214000±0.0073636
- mJ 11.907±0.020
- mH 11.250±0.023
- mKs 11.055±0.022
- mKep 14.102
- mW1 10.961±0.023
- mW2 10.981±0.021
- mW3 10.919±0.129
- mW4 8.525
- mGaia 14.091600±0.000306
- mB 16.292±0.101
- Mission
- K2: Observed in Campaigns 5, 16, 18
| Source | TICv8 | Livingston et al. 2018 | Gaia DR2 | Hirano et al. 2018 | Dressing et al. 2017 | Kruse et al. 2019 | Yu et al. 2018 | Petigura et al. 2018 | Pope et al. 2016 | Barros et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3856.0±157.0 | 4035±52 |
3872.37+611.21-123.37
|
3880±70 |
4075.669434+82.799957-81.137497
|
--- | 4040±80 | --- | --- | --- | ||
|
L✶
(log10(L⦿))
|
-1.13147+0.08757-0.10981
|
--- |
-1.0849253+0.0044366-0.0044824
|
-1.1+0.1-0.1
|
--- | --- | --- | --- | --- | --- | ||
|
Metallicity
(dex)
|
--- | 0.030±0.110 [Fe/H] | --- | -0.020±0.120 [Fe/H] | --- | --- | --- | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.5954010±0.0203018 | 0.62±0.01 | --- | 0.615±0.060 | 0.649093±0.064909 | --- | --- | --- | --- | --- | ||
|
R✶
(R⦿)
|
0.609039±0.018130 | 0.59±0.01 |
0.6371420+0.0426235-0.1618720
|
0.592±0.059 |
0.571015+0.027528-0.027586
|
0.637 +0.162-0.043
|
0.598±0.007 | 0.64 | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.6435900±0.0110498 | 4.69±0.01 | --- | 4.686±0.049 | --- | --- | 4.671±0.013 | --- | --- | --- | ||
|
ρ✶
(g/cm3)
|
3.7156959±0.2054385 |
4.511+2.213-1.647
|
--- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Livingston et al. 2018 | Hirano et al. 2018 | Dressing et al. 2017 | Kruse et al. 2019 | Yu et al. 2018 | Petigura et al. 2018 | Barros et al. 2016 | Pope et al. 2016 | ||
|---|---|---|---|---|---|---|---|---|---|---|
|
b
|
0.39+0.30-0.27
|
--- | --- | --- | --- | 0.43±0.29 | --- | 0.152 | ||
|
P
(days)
|
30.951524+0.003625-0.003320
|
30.9542±0.0022 |
30.956763+0.002589-0.002720
|
30.9540±0.0018 | 30.954222 |
30.952606 +0.003195-0.002888
|
30.96028326 | 30.953 | ||
|
Rp
(R⨁)
|
2.76±0.16 |
2.66+0.33-0.28
|
2.65±0.15 |
3.07 +0.80-0.45
|
2.5 |
3.0 +0.6-0.5
|
--- | --- | ||
|
Rp
(RJup)
|
0.246±0.014 |
0.237+0.029-0.025
|
0.236±0.013 |
0.274 +0.07-0.040
|
.22 |
0.27 +0.05-0.04
|
--- | --- | ||
|
Rp/R✶
|
0.0427+0.0030-0.0021
|
0.0413+0.0031-0.0015
|
0.042536+0.001350-0.001147
|
0.0442 +0.0028-0.0057
|
--- |
0.0429 +0.0052-0.0022
|
--- | 0.040566 | ||
|
T14
(hours)
|
--- | --- | --- |
3.76800+0.16800-0.26400
|
3.28320 |
3.76080+0.19920-0.16080
|
4.11700+0.32600-0.32600
|
3.23592 | ||
|
TC
(days)
|
2457147.49734+0.00438-0.00489
(BJD)
|
2457116.53953±0.00476
(BJD)
|
2457147.492±0.003
(BJD)
|
2457147.4926 +0.0023-0.0024
(BJD)
|
2458107.10848
(BJD)
|
2457147.49591 +0.004017-0.004360
(BJD)
|
2457147.486657
(BJD)
|
2457147.496
(BJD)
|
||
|
a/R✶
|
61.21+5.96-12.59
|
61.6+6.4-15.3
|
61.89+2.70-2.69
|
57.2 +16.6-8.9
|
--- | --- | --- | --- | ||
|
Teq
(K)
|
338±5 | --- | --- | --- | --- | --- | --- | --- | ||
|
a
(au)
|
0.1649±0.0008 | 0.1641±0.0053 |
0.167+0.005-0.006
|
--- | --- | --- | --- | --- | ||
|
S
(S⨁)
|
--- | 2.7±0.6 |
2.9+0.5-0.4
|
--- | --- | --- | --- | --- | ||
|
ω
(deg)
|
--- | --- |
-33.5300000+134.1328280-109.3743350
|
--- | --- | --- | --- | --- | ||
|
e
|
--- | --- |
0.0600000+0.1444150-0.0514580
|
--- | --- | --- | --- | --- | ||
|
i
(deg)
|
--- | --- |
89.79+0.14-0.17
|
--- | --- | --- | --- | --- | ||
|
δ
(%)
|
--- | --- | --- |
0.2117 +0.0087-0.009
|
0.1496 | --- | 0.202±0.013 | 0.1646 |
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 3 K2 Targets
- 2 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 KELT Praesepe Time Series
- 2 K2 Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview -
Sixty Validated Planets from K2 Campaigns 5-8
Livingston et al. 2018 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
Planetary Candidates from K2 Campaign 16
Yu et al. 2018 Reference Overview -
Exoplanets around Low-mass Stars Unveiled by K2
Hirano et al. 2018 Reference Overview -
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura et al. 2018 Reference Overview -
Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7
Dressing et al. 2017 Reference Overview -
New planetary and eclipsing binary candidates from campaigns 1-6 of the K2 mission
Barros et al. 2016 Reference Overview -
Transiting exoplanet candidates from K2 Campaigns 5 and 6
Pope et al. 2016 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
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- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
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- Time Series
- Kepler | K2
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