K2-228 Overview
K2-228
0.65
R⦿
4927.60
K
K2-228 b
0.108
RJup
- Other Data
- Bibliography 7
- Exoplanet Archive Notes 1
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-228 | K2-228 b | Transit | 2018 | Mayo et al. 2018 | Confirmed Planet |
K2-228 b
- Transit depth value for EPIC 228798746.01 published in the wrong units. (Livingston et al. 2018)
- RA
- 12h29m10.73s
- Dec
- -06d50m03.13s
- Distance
-
129.460+4.091-3.852pc
- Parallax
- 7.707900±0.234812 mas
- Ecliptic Latitude
- -3.38409 deg
- Ecliptic Longitude
- 189.39384 deg
- Galactic Latitude
- 55.61276 deg
- Galactic Longitude
- 293.11643 deg
- Total Proper Motion
- 18.7947027±0.3859489 mas/yr
- Proper Motion (RA)
- -12.741800±0.461246 mas/yr
- Proper Motion (Dec)
- 13.816200±0.307735 mas/yr
- Photometry
-
mV13.028±0.092
-
mTESS11.9808±0.0061
-
mJ10.978±0.026
-
mH10.439±0.022
-
mKs10.324±0.024
-
mKep12.660
-
mW110.237±0.023
-
mW210.303±0.022
-
mW310.201±0.074
-
mW48.971
-
mGaia12.652700±0.000446
-
mB14.112±0.055
-
Mission
- K2 : Observed in Campaign 10
| Source | TICv8 | Gaia DR2 | Livingston et al. 2018 | Mayo et al. 2018 |
|---|---|---|---|---|
|
Teff
(K)
|
4522.690+113.408-112.825
|
4927.5996+105.4000-154.4100
|
4715+48-46
|
4764.0±50.0 |
|
γ
(km/s)
|
--- | -2.8557059805744593±1.0213105768528521 | --- | --- |
|
Metallicity
(dex)
|
-0.175±0.054 [M/H] | --- | -0.25±0.06 [Fe/H] | -0.13±0.08 [Fe/H] |
|
M✶
(M⦿)
|
0.7110000+0.0967000-0.0773841
|
--- | 0.71±0.02 |
0.742115 +0.025326-0.023093
|
|
R✶
(R⦿)
|
0.6129880+0.0551990-0.0428915
|
--- | 0.65±0.01 |
0.699017 +0.021771-0.019910
|
|
log g
(log10(cm/s2))
|
4.7150300+0.1017870-0.0931423
|
--- | 4.66±0.01 | 4.67±0.1 |
|
L✶
(log10(L⦿))
|
-0.8488141+0.0258259-0.0412198
|
--- | --- | --- |
|
ρ✶
(g/cm3)
|
4.3519082+1.3389402-1.2051181
|
--- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Livingston et al. 2018 | Mayo et al. 2018 |
|---|---|---|
|
a/R✶
|
12.2+1.3-2.7
|
11.406625 +1.788363-3.554565
|
|
Teq
(K)
|
914+14-13
|
--- |
|
b
|
0.42+0.30-0.29
|
--- |
|
P
(days)
|
2.69828±0.00022 |
2.698368 +0.000128-0.000136
|
|
Rp
(R⨁)
|
1.21+0.10-0.06
|
1.3843433587 +0.101602535619-0.0863125406614
|
|
Rp
(RJup)
|
0.108+0.009-0.005
|
0.1235028422 +0.0090643711-0.0077002891
|
|
Rp/R✶
|
0.0170+0.0013-0.0008
|
0.018156 +0.001207-0.001007
|
|
a
(au)
|
0.0338±0.0003 | --- |
|
δ
(%)
|
0.02587 | --- |
|
T14
(hours)
|
1.5 | --- |
|
TC
(days)
|
2457583.1943+0.0039-0.0041
|
2457583.19285 +0.002164-0.002212
|
|
i
(deg)
|
--- |
87.465002 +1.768232-3.426574
|
- Known Objects
- 1 Confirmed Planets
- 3 K2 Targets
- 3 2MASS Point Source Catalog
- Data Files
- 3 K2 Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
44 Validated Planets from K2 Campaign 10
Livingston et al. 2018 | Reference Overview -
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo 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
- External Link
- Search
- Browse
- Download
