K2-239 Overview
-
Star:
K2-239
- Stellar Radius: 0.36 Solar Radius
- Stellar Effective Temperature: 3720.77 K
-
Planet:
K2-239 b
- Disposition Confirmed
- Planet Radius 0.098 Jupiter Radius
-
Planet:
K2-239 c
- Disposition Confirmed
- Planet Radius 0.089 Jupiter Radius
-
Planet:
K2-239 d
- Disposition Confirmed
- Planet Radius 0.098 Jupiter Radius
K2-239 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| K2-239 | ||||||
| K2-239 b | 5.24 d | 1.1 R⨁ | Transit | 2018 | Díez Alonso et al. 2018 | Confirmed Planet |
| K2-239 c | 7.78 d | 1 R⨁ | Transit | 2018 | Díez Alonso et al. 2018 | Confirmed Planet |
| K2-239 d | 10.12 d | 1.1 R⨁ | Transit | 2018 | Díez Alonso et al. 2018 | Confirmed Planet |
- RA
- 10h42m22.59s
- Dec
- +04d26m28.95s
- Distance
-
31.0849+0.0831-0.0826pc
- Parallax
- 32.1414000±0.0851176 mas
- Ecliptic Latitude
- -3.48106 deg
- Ecliptic Longitude
- 160.40247 deg
- Galactic Latitude
- 51.77727 deg
- Galactic Longitude
- 243.59017 deg
- Total Proper Motion
- 42.4516694±0.1550037 mas/yr
- Proper Motion (RA)
- -42.265100±0.154269 mas/yr
- Proper Motion (Dec)
- 3.975620±0.222951 mas/yr
- Photometry
- mV 14.632±0.126
- mTESS 12.235200±0.007632
- mJ 10.781±0.026
- mH 10.192±0.021
- mKs 9.971±0.021
- mKep 13.545
- mW1 9.774±0.022
- mW2 9.634±0.020
- mW3 9.513±0.042
- mW4 8.765
- mIc ---
- mGaia 13.436700±0.000696
- mB 16.206±0.061
- mg 15.6965000±0.0046656
- mi 16.0683000±0.0146256
- mr 15.7609000±0.0129255
- mu 18.1529000±0.0151057
- mz 12.3650000±0.0053804
-
Abundances
(Hypatia Catalog) - [Fe/H] -0.70±0.04 dex
- [Al/H] -0.90±0.06 dex
- [Si/H] 0.34±0.05 dex
- [Ca/H] -0.36±0.06 dex
- Mission
- K2: Observed in Campaign 14
| Source | TICv8 | Díez Alonso et al. 2018 | Gaia DR2 |
|---|---|---|---|
|
Teff
(K)
|
3435.0±157.0 | 3420±18 |
3720.7734+324.4370-363.4400
|
|
L✶
(log10(L⦿))
|
-2.08622+0.09495-0.12169
|
-1.8+0.0-0.0
|
--- |
|
Metallicity
(dex)
|
--- | -0.1±0.1 [Fe/H] | --- |
|
M✶
(M⦿)
|
0.22703±0.02014 | 0.40±0.01 | --- |
|
R✶
(R⦿)
|
0.2556760±0.0077017 | 0.36±0.01 | --- |
|
log g
(log10(cm/s2))
|
4.9787700±0.0124557 | 4.9±0.1 | --- |
|
Sp. T
|
--- | M3.0 V | --- |
|
ρ✶
(g/cm3)
|
19.1505165±0.0494896 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Díez Alonso et al. 2018 |
|---|---|
|
a/R✶
|
24.6+1.9-2.0
|
|
Teq
(K)
|
502+22-18
|
|
b
|
0.44+0.33-0.29
|
|
i
(deg)
|
88.99+0.68-0.87
|
|
P
(days)
|
5.240±0.001 |
|
Rp
(R⨁)
|
1.1±0.1 |
|
Rp
(RJup)
|
0.098±0.009 |
|
Rp/R✶
|
0.0259+0.0013-0.0012
|
|
a
(au)
|
0.0441±0.0008 |
|
δ
(%)
|
0.067+0.007-0.006
|
|
T14
(hours)
|
1.47+0.16-0.31
|
|
TC
(days)
|
2457908.191
(BJD)
|
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Díez Alonso et al. 2018 |
|---|---|
|
a/R✶
|
34.0+3.3-3.5
|
|
Teq
(K)
|
427+24-19
|
|
b
|
0.730+0.240-0.390
|
|
i
(deg)
|
88.77+0.70-0.57
|
|
P
(days)
|
7.775±0.001 |
|
Rp
(R⨁)
|
1.0±0.1 |
|
Rp
(RJup)
|
0.089±0.009 |
|
Rp/R✶
|
0.0241+0.0016-0.0014
|
|
a
(au)
|
0.0576±0.0009 |
|
δ
(%)
|
0.058+0.008-0.006
|
|
T14
(hours)
|
1.2+0.3-0.6
|
|
TC
(days)
|
2457916.86
(BJD)
|
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Díez Alonso et al. 2018 |
|---|---|
|
a/R✶
|
38.8+2.9-3.3
|
|
Teq
(K)
|
399+18-15
|
|
b
|
0.39±0.25 |
|
i
(deg)
|
89.43+0.38-0.45
|
|
P
(days)
|
10.115±0.001 |
|
Rp
(R⨁)
|
1.1±0.1 |
|
Rp
(RJup)
|
0.098±0.009 |
|
Rp/R✶
|
0.0255±0.0012 |
|
a
(au)
|
0.0685±0.0012 |
|
δ
(%)
|
0.065±0.006 |
|
T14
(hours)
|
1.84+0.14-0.18
|
|
TC
(days)
|
2457908.381
(BJD)
|
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 3 Confirmed Planets
- 1 K2 Targets
- 2 2MASS Point Source Catalog
- Data Files
- 1 K2 Time Series
- 3 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Two planetary systems with transiting Earth-sized and super-Earth planets orbiting late-type dwarf stars
Díez Alonso et al. 2018 Reference Overview -
Gaia Data Release 2
Gaia DR2 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
- External Link
- Search
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