K2-287 Overview
K2-287
1.07
R⦿
5695.00
K
K2-287 b
0.847
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| K2-287 | K2-287 b | 14.89 d | 9.49 R⨁ | Transit | 2018 | Jordán et al. 2019 | Confirmed Planet |
- RA
- 15h32m17.84s
- Dec
- -22d21m30.04s
- Distance
-
158.335+1.297-1.277pc
- Parallax
- 6.2875000±0.0509509 mas
- Ecliptic Latitude
- -3.14854 deg
- Ecliptic Longitude
- 236.18525 deg
- Galactic Latitude
- 27.06963 deg
- Galactic Longitude
- 345.04347 deg
- Total Proper Motion
- 18.4786025±0.0764386 mas/yr
- Proper Motion (RA)
- -4.593740±0.107206 mas/yr
- Proper Motion (Dec)
- -17.898500±0.073964 mas/yr
- Photometry
-
mV11.410±0.018
-
mTESS10.4838±0.0061
-
mJ9.677±0.023
-
mH9.283±0.025
-
mKs9.188±0.021
-
mKep11.058
-
mW19.114±0.022
-
mW29.148±0.019
-
mW39.089±0.034
-
mW48.152
-
mGaia11.067000±0.000758
-
mB12.011±0.268
-
Mission
- K2 : Observed in Campaign 15
| Source | Knudstrup et al. 2024 | Borsato et al. 2021 | TICv8 | Jordán et al. 2019 | Gaia DR2 |
|---|---|---|---|---|---|
|
Teff
(K)
|
5695±58 | 5625±64 |
5709.500+107.645-138.609
|
5695±58 |
4994.1123+84.5610-87.1626
|
|
Metallicity
(dex)
|
0.20±0.04 [Fe/H] | 0.27±0.04 [Fe/H] | 0.21±0.10 [M/H] | 0.20±0.04 [Fe/H] | --- |
|
γ
(km/s)
|
--- | --- | --- | 32.93041±0.00010 | 33.496974062747867±0.376335624042333 |
|
v sin i
(km/s)
|
1.16±0.17 | --- | --- | 3.2±0.2 | --- |
|
Age
(Gyr)
|
4.5±1.0 | 6.6±1.5 | --- | 4.5±1.0 | --- |
|
ρ✶
(g/cm3)
|
--- | 1.0±0.4 |
1.3706966+0.4126266-0.3962458
|
1.217±0.045 | --- |
|
M✶
(M⦿)
|
1.06±0.02 | 1.03±0.04 |
1.018000+0.108874-0.146661
|
1.056±0.022 | --- |
|
R✶
(R⦿)
|
1.070±0.010 | 1.10±0.01 |
1.0154500+0.0910698-0.0751060
|
1.07±0.01 |
1.1792082+0.0422648-0.0389413
|
|
log g
(log10(cm/s2))
|
4.398±0.015 | 4.32±0.11 |
4.4325000+0.0947831-0.0947417
|
4.398±0.015 | --- |
|
L✶
(log10(L⦿))
|
--- | --- |
-0.0055983287+0.0378841506-0.1045023986
|
--- |
-0.1082911+0.0047959-0.0048495
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Jordán et al. 2019 | Knudstrup et al. 2024 | Borsato et al. 2021 |
|---|---|---|---|
|
a/R✶
|
23.87+0.30-0.31
|
23.9±0.3 | 23.6±0.6 |
|
Teq
(K)
|
804+8-7
|
--- | --- |
|
ω
(deg)
|
10.1+4.6-4.2
|
--- | 10.1±4.6 |
|
Mp
(M⨁)
|
100±9 | 102±10 | 99±10 |
|
Mp
(MJup)
|
0.315±0.027 | 0.32±0.03 | 0.31±0.03 |
|
e
|
0.478+0.025-0.026
|
0.48±0.03 | 0.478±0.026 |
|
i
(deg)
|
88.13+0.10-0.08
|
--- | 88.1±0.1 |
|
P
(days)
|
14.893291±0.000025 | 14.89329±0.00003 | 14.893289±0.000025 |
|
Rp
(R⨁)
|
9.49±0.15 | 9.34±0.15 | 9.9±0.1 |
|
Rp
(RJup)
|
0.847±0.013 | 0.833±0.013 | 0.88±0.01 |
|
Rp/R✶
|
0.08014+0.00086-0.00098
|
0.0801+0.0010-0.0009
|
0.0799±0.0006 |
|
K
(m/s)
|
28.8+2.3-2.2
|
--- | 28.8±2.3 |
|
a
(au)
|
0.1206±0.0008 | --- | --- |
|
TC
(days)
|
2458001.72138±0.00016
(BJD)
|
--- |
2458999.5651±0.0004
(BJD-TDB)
|
|
b
|
--- | 0.779 | 0.80±0.03 |
|
ρ
(g/cm3)
|
--- | --- | 0.63±0.07 |
|
δ
(%)
|
--- | --- | 0.64±0.01 |
|
T14
(hours)
|
--- | --- | 3.50±0.12 |
|
λ
(deg)
|
--- |
23+12-13
|
--- |
- Known Objects
- 1 Confirmed Planets
- 1 K2 Targets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 K2 Time Series
- 1 Associated Literature Data
-
Obliquities of exoplanet host stars: Nineteen new and updated measurements, and trends in the sample of 205 measurements
Knudstrup et al. 2024 | Reference Overview -
Exploiting timing capabilities of the CHEOPS mission with warm-Jupiter planets
Borsato et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
K2-287 b: An Eccentric Warm Saturn Transiting a G-dwarf
Jordán 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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