K2-280 Overview
K2-280
1.37
R⦿
5351.00
K
K2-280 b
0.669
RJup
- Other Data
- Bibliography 10
- Nearby Data 6
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| K2-280 | K2-280 b | Transit | 2018 | Livingston et al. 2018 | Confirmed Planet |
- RA
- 19h26m22.89s
- Dec
- -22d14m51.75s
- Distance
-
391.537+7.494-7.223pc
- Parallax
- 2.5266300±0.0476123 mas
- Ecliptic Latitude
- -0.2892 deg
- Ecliptic Longitude
- 289.91675 deg
- Galactic Latitude
- -17.32247 deg
- Galactic Longitude
- 16.32379 deg
- Total Proper Motion
- 13.2692359±0.0667622 mas/yr
- Proper Motion (RA)
- 4.4421400±0.0788832 mas/yr
- Proper Motion (Dec)
- -12.5036000±0.0650721 mas/yr
- Photometry
-
mV12.524±0.080
-
mTESS11.8657±0.0061
-
mJ11.141±0.021
-
mH10.854±0.024
-
mKs10.765±0.019
-
mKep12.302
-
mW110.726±0.023
-
mW210.779±0.021
-
mW310.537±0.122
-
mW48.579001
-
mGaia12.360400±0.000193
-
mB13.269±0.006
-
Mission
- K2 : Observed in Campaign 7
| Source | Nowak et al. 2020 | TICv8 | Livingston et al. 2018 | Gaia DR2 | Kruse et al. 2019 | Mayo et al. 2018 | Petigura et al. 2018 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5500±100 |
5556.000+164.538-112.270
|
5742±90 |
5351.0+131.5-87.0
|
--- | 5767.0±50.0 | --- | ||
|
L✶
(log10(L⦿))
|
--- |
0.16842323+0.02234521-0.02859837
|
--- |
0.13976099+0.01124454-0.01154340
|
--- | --- | --- | ||
|
γ
(km/s)
|
--- | --- | --- | -0.14744915061274355±1.59445624250222107 | --- | --- | --- | ||
|
R✶
(R⦿)
|
1.28±0.07 |
1.3102100+0.0782332-0.0604100
|
1.28±0.03 |
1.3666687+0.0455482-0.0647739
|
1.367 +0.065-0.046
|
1.064140 +0.069371-0.046771
|
1.45 | ||
|
Metallicity
(dex)
|
0.33±0.08 [Fe/H] | --- | 0.30±0.05 [Fe/H] | --- | --- | 0.44±0.08 [Fe/H] | --- | ||
|
ρ✶
(g/cm3)
|
0.80+0.16-0.13
|
0.6136621+0.1748805-0.1016145
|
0.259+0.086-0.070
|
--- | --- | --- | --- | ||
|
M✶
(M⦿)
|
1.03±0.03 |
0.9790000+0.1189560-0.1308190
|
1.11±0.04 | --- | --- | --- | --- | ||
|
log g
(log10(cm/s2))
|
4.21±0.05 |
4.1941700+0.0860460-0.0775125
|
4.26±0.03 | --- | --- | 4.47±0.1 | --- | ||
|
v sin i
(km/s)
|
3.0±1.0 | --- | --- | --- | --- | --- | --- | ||
|
Age
(Gyr)
|
8.960±1.700 | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Nowak et al. 2020 | Livingston et al. 2018 | Kruse et al. 2019 | Mayo et al. 2018 | Petigura et al. 2018 | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
b
|
0.27+0.16-0.17
|
0.45+0.17-0.24
|
--- | --- |
0.37 +0.19-0.25
|
||
|
P
(days)
|
19.89526±0.00028 |
19.895202+0.000774-0.000753
|
19.89531 +0.00028-0.00027
|
19.894641 +0.002717-0.002898
|
19.895268 +0.000676-0.000686
|
||
|
Rp
(R⨁)
|
7.50±0.44 | 7.67±0.26 |
8.01 +0.39-0.37
|
5.55493873974 +0.447637132962-0.330177735587
|
8.5 +1.2-1.0
|
||
|
Rp
(RJup)
|
0.669±0.039 | 0.684±0.023 |
0.715 +0.035-0.033
|
0.50 +0.04-0.03
|
0.76 +0.11-0.09
|
||
|
Rp/R✶
|
0.05354+0.00094-0.00056
|
0.0547+0.0017-0.0011
|
0.05374 +0.00070-0.00168
|
0.047857 +0.002267-0.001915
|
0.0537 +0.0014-0.0008
|
||
|
T14
(hours)
|
8.267+0.063-0.054
|
--- |
8.27760+0.05280-0.06000
|
--- |
8.18880+0.12000-0.06960
|
||
|
TC
(days)
|
2457307.58114±0.00056 |
2457327.47592+0.00099-0.00100
|
2457307.58121 +0.00052-0.00054
|
2457307.58339 +0.005997-0.005575
|
2457327.47573 +0.000940-0.000912
|
||
|
a/R✶
|
25.79+0.87-0.90
|
17.56+1.59-1.99
|
18.88 +1.11-0.48
|
17.474504 +1.733386-3.730135
|
--- | ||
|
i
(deg)
|
89.53+0.30-0.26
|
--- | --- |
88.588442 +1.001116-1.545009
|
--- | ||
|
Tp
(days)
|
2457315.06+0.38-0.44
|
--- | --- | --- | --- | ||
|
Teq
(K)
|
787±17 | 744±15 | --- | --- | --- | ||
|
ω
(deg)
|
246.77+4.54-5.28
|
--- | --- | --- | --- | ||
|
Mp
(M⨁)
|
37.1±5.6 | --- | --- | --- | --- | ||
|
Mp
(MJup)
|
0.117±0.018 | --- | --- | --- | --- | ||
|
e
|
0.35+0.05-0.04
|
--- | --- | --- | --- | ||
|
ρ
(g/cm3)
|
0.48+0.13-0.10
|
--- | --- | --- | --- | ||
|
K
(m/s)
|
9.180±1.270 | --- | --- | --- | --- | ||
|
a
(au)
|
0.1461+0.0099-0.0097
|
0.1488+0.0019-0.0020
|
--- | --- | --- | ||
|
δ
(%)
|
--- | --- | 0.3463±0.002 | --- | --- |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 3 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 K2 Time Series
- 1 Associated Literature Data
-
K2-280 b - a low density warm sub-Saturn around a mildly evolved star
Nowak et al. 2020 | Reference Overview -
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 -
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 | Reference Overview -
Planet Candidates from K2 Campaigns 5─8 and Follow-up Optical Spectroscopy
Petigura 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
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