K2-290 Overview
K2-290 B
K2-290 C
0.25
R⦿
3437.00
K
K2-290
1.58
R⦿
5857.00
K
K2-290 b
0.273
RJup
K2-290 c
1.006
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| K2-290 | K2-290 b | 9.21 d | 3.06 R⨁ | Transit | 2019 | Hjorth et al. 2019 | Confirmed Planet |
| K2-290 | K2-290 c | 48.37 d | 11.28 R⨁ | Transit | 2019 | Hjorth et al. 2019 | Confirmed Planet |
K2-290
- This reference contains discussion regarding the stellar multiplicity of this system. (Hjorth et al. 2019)
- Planet density is a 3-sigma upper limit. (Hjorth et al. 2019)
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV---
-
mTESS---
-
mJ---
-
mH---
-
mKs---
-
mKep---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia---
-
mB---
-
mg---
-
mi---
-
mr---
-
mu---
-
mz---
- RA
- 15h39m25.89s
- Dec
- -20d12m07.28s
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- -.66309 deg
- Ecliptic Longitude
- 237.29671 deg
- Galactic Latitude
- 27.59715 deg
- Galactic Longitude
- 348.04999 deg
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
-
mV19.7021±0.0707
-
mTESS17.2226000±0.0140438
-
mJ15.40±0.06
-
mH14.806±0.067
-
mKs14.534±0.061
-
mKep---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia18.592000±0.002679
-
mB18.72±0.07
-
mg21.90420±0.10512
-
mi17.7711000±0.0084378
-
mr19.4881000±0.0187417
-
mu30.0±50.0
-
mz17.163300±0.016633
- RA
- 15h39m25.89s
- Dec
- -20d11m56.03s
- Distance
-
272.909+3.824-3.721pc
- Parallax
- 3.6364800±0.0502598 mas
- Ecliptic Latitude
- -.66005 deg
- Ecliptic Longitude
- 237.29599 deg
- Galactic Latitude
- 27.59946 deg
- Galactic Longitude
- 348.05236 deg
- Total Proper Motion
- 32.0401184±0.0914649 mas/yr
- Proper Motion (RA)
- 27.22460±0.09946 mas/yr
- Proper Motion (Dec)
- -16.8935000±0.0663436 mas/yr
- Photometry
-
mV11.114±0.013
-
mTESS10.3985±0.0112
-
mJ9.771±0.022
-
mH9.477±0.022
-
mKs9.420±0.019
-
mKep10.784
-
mW19.396±0.021
-
mW29.413±0.020
-
mW39.403±0.045
-
mW48.948
-
mGaia10.820400±0.000394
-
mB11.681±0.193
-
mg14.4527000±0.0076618
-
mi14.0960000±0.0096425
-
mr14.0103000±0.0085143
-
mu14.1110000±0.0065709
-
mz12.8079000±0.0109821
-
Mission
- K2 : Observed in Campaign 15
| Source | Hjorth et al. 2021 | TICv8 | Hjorth et al. 2019 | Gaia DR2 |
|---|---|---|---|---|
|
Teff
(K)
|
--- |
6207.000+151.532-135.523
|
6302±120 |
5857.0+312.6-41.0
|
|
L✶
(log10(L⦿))
|
--- |
0.5037236+0.0169957-0.0310265
|
--- |
0.42035432+0.00816169-0.00831801
|
|
γ
(km/s)
|
--- | --- | 19.7594±0.0014 | 19.700223329492523±0.374093971276358 |
|
R✶
(R⦿)
|
--- |
1.5443700+0.0530377-0.0928920
|
1.511+0.075-0.072
|
1.5757211+0.0222946-0.1556266
|
|
Metallicity
(dex)
|
--- | --- | -0.060±0.100 [Fe/H] | --- |
|
v sin i
(km/s)
|
6.9±0.5 | --- | 6.5±1.0 | --- |
|
Age
(Gyr)
|
--- | --- |
4.0+1.6-0.8
|
--- |
|
ρ✶
(g/cm3)
|
--- |
0.4554698+0.1274348-0.0779183
|
0.485+0.074-0.064
|
--- |
|
M✶
(M⦿)
|
--- |
1.190000+0.177327-0.154418
|
1.194+0.067-0.077
|
--- |
|
log g
(log10(cm/s2))
|
--- |
4.1361100+0.0977444-0.0686877
|
4.23±0.10 | --- |
|
Prot
(days)
|
6.63±0.66 | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Hjorth et al. 2019 | Hjorth et al. 2021 |
|---|---|---|
|
λ
(deg)
|
--- |
173+45-53
|
|
a/R✶
|
13.15+0.69-0.66
|
--- |
|
Teq
(K)
|
1230±38 | --- |
|
b
|
0.438±0.023 | --- |
|
ω
(deg)
|
90 | --- |
|
Mp
(M⨁)
|
<10.9 | --- |
|
Mp
(MJup)
|
<0.0343 | --- |
|
e
|
0 | --- |
|
i
(deg)
|
88.14+0.62-0.50
|
--- |
|
P
(days)
|
9.21165+0.00033-0.00034
|
--- |
|
ρ
(g/cm3)
|
<4.1 | --- |
|
Rp
(R⨁)
|
3.06±0.16 | --- |
|
Rp
(RJup)
|
0.273±0.014 | --- |
|
Rp/R✶
|
0.01900±0.00028 | --- |
|
K
(m/s)
|
<3.3 | --- |
|
a
(au)
|
0.0923±0.0066 | --- |
|
T14
(hours)
|
4.96±0.31 | --- |
|
TC
(days)
|
2457994.7725+0.0016-0.0015
(BJD)
|
--- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Hjorth et al. 2019 | Saha 2025 | Hjorth et al. 2021 |
|---|---|---|---|
|
a/R✶
|
43.5±1.2 |
40.64+0.97-0.88
|
--- |
|
Teq
(K)
|
676±16 | 699±16 | --- |
|
b
|
0.474±0.012 |
0.557+0.029-0.035
|
--- |
|
Mp
(M⨁)
|
246±15 | 246±14 | --- |
|
Mp
(MJup)
|
0.774±0.047 |
0.774+0.045-0.044
|
--- |
|
i
(deg)
|
89.37+0.08-0.07
|
89.214+0.068-0.059
|
--- |
|
P
(days)
|
48.36685+0.00041-0.00040
|
48.367761±0.000042 | --- |
|
Rp
(R⨁)
|
11.28±0.56 | 11.32±0.55 | --- |
|
Rp
(RJup)
|
1.006±0.050 | 1.010±0.049 | --- |
|
Rp/R✶
|
0.06848+0.00042-0.00047
|
0.06875+0.00055-0.00067
|
--- |
|
a
(au)
|
0.305±0.017 | 0.286±0.015 | --- |
|
T14
(hours)
|
8.14±0.26 |
8.281+0.038-0.034
|
--- |
|
TC
(days)
|
2458019.17333±0.00029
(BJD)
|
2458019.17235±0.00034
(BJD-TDB)
|
--- |
|
λ
(deg)
|
--- | --- | 153±8 |
|
ψ
(deg)
|
--- | --- | 124±6 |
|
ω
(deg)
|
90 | --- | --- |
|
e
|
0 | --- | --- |
|
ρ
(g/cm3)
|
1.01±0.16 | --- | --- |
|
K
(m/s)
|
38.4±1.7 | --- | --- |
- Known Objects
- 2 Confirmed Planets
- 1 K2 Targets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 K2 Time Series
- 2 Associated Literature Data
- Known Objects
- 2 Confirmed Planets
- 1 K2 Targets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 K2 Time Series
- 2 Associated Literature Data
- Known Objects
- 2 Confirmed Planets
- 1 K2 Targets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 K2 Time Series
- 2 Associated Literature Data
-
Updating the ephemeris and physical properties of five long-period transiting exoplanets using TESS and CHEOPS
Saha 2025 | Reference Overview -
A backward-spinning star with two coplanar planets
Hjorth et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
K2-290: a warm Jupiter and a mini-Neptune in a triple-star system
Hjorth et al. 2019 | 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
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