K2-218 Overview
K2-218
1.10
R⦿
5490.44
K
K2-218 b
0.229
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| K2-218 | K2-218 b | 8.68 d | 2.57 R⨁ | Transit | 2018 | Mayo et al. 2018 | Confirmed Planet |
- RA
- 00h51m14.31s
- Dec
- +06d50m47.16s
- Distance
-
394.083+10.017-9.541pc
- Parallax
- 2.5099600±0.0624634 mas
- Ecliptic Latitude
- 1.24964 deg
- Ecliptic Longitude
- 14.44075 deg
- Galactic Latitude
- -56.02528 deg
- Galactic Longitude
- 122.84333 deg
- Total Proper Motion
- 13.9946533±0.0717915 mas/yr
- Proper Motion (RA)
- -11.449700±0.080797 mas/yr
- Proper Motion (Dec)
- -8.047030±0.048704 mas/yr
- Photometry
-
mV12.920±0.114
-
mTESS12.2418±0.0072
-
mJ11.563±0.026
-
mH11.267±0.026
-
mKs11.206±0.024
-
mKep12.713
-
mW111.088±0.022
-
mW211.14±0.02
-
mW311.063±0.145
-
mW48.923
-
mGaia12.713700±0.000266
-
mB13.581±0.048
-
mg13.5754000±0.0028694
-
mi12.6577000±0.0036551
-
mr12.7844000±0.0035088
-
mu14.9049000±0.0039277
-
mz12.802700±0.003791
-
Mission
- K2 : Observed in Campaign 8
| Source | TICv8 | Gaia DR2 | Mayo et al. 2018 | Kruse et al. 2019 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
5710.000+97.971-139.375
|
5490.440+341.835-30.440
|
5757.0±50.0 | --- | ||
|
L✶
(log10(L⦿))
|
0.030563293+0.026467219-0.025361496
|
-0.00283512732+0.01428433213-0.01477009139
|
--- | --- | ||
|
γ
(km/s)
|
--- | -0.33523170576379258±2.33509431795802458 | --- | --- | ||
|
R✶
(R⦿)
|
1.0584300+0.0652558-0.0466638
|
1.1015921+0.0123171-0.1253460
|
1.008231 +0.080038-0.045523
|
1.102 +0.125-0.012
|
||
|
Metallicity
(dex)
|
--- | --- | 0.25±0.08 [Fe/H] | --- | ||
|
M✶
(M⦿)
|
1.020000+0.142383-0.109772
|
--- |
1.047488 +0.030873-0.027589
|
--- | ||
|
log g
(log10(cm/s2))
|
4.3973400+0.0652467-0.0877686
|
--- | 4.45±0.1 | --- | ||
|
ρ✶
(g/cm3)
|
1.2127721+0.2270666-0.2861567
|
--- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Mayo et al. 2018 | Kruse et al. 2019 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
16.021068 +1.597134-3.752821
|
15.9 +3.9-1.8
|
||
|
P
(days)
|
8.679885 +0.000417-0.000430
|
8.68055 +0.00042-0.00043
|
||
|
Rp
(R⨁)
|
2.56948149159 +0.275257092992-0.152041460879
|
2.79 +0.34-0.29
|
||
|
Rp
(RJup)
|
0.2292337846 +0.0245567930-0.0135642306
|
0.249 +0.030-0.026
|
||
|
Rp/R✶
|
0.023364 +0.001681-0.000894
|
0.0232 +0.0011-0.0024
|
||
|
δ
(%)
|
--- |
0.0598 +0.002-0.0021
|
||
|
T14
(hours)
|
--- |
3.84000+0.09600-0.12000
|
||
|
TC
(days)
|
2457396.45914 +0.001941-0.001918
|
2457396.4588±0.0019
(BJD)
|
||
|
i
(deg)
|
88.452617 +1.079198-1.839922
|
--- |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 1 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 -
Gaia Data Release 2
Gaia DR2 | 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
