KELT-8 Overview
KELT-8
1.67
R⦿
5754.00
K
KELT-8 b
1.620
RJup
- Other Data
- Bibliography 12
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| KELT-8 | KELT-8 b | Transit | 2015 | Fulton et al. 2015 | Confirmed Planet |
- RA
- 18h53m13.31s
- Dec
- +24d07m38.09s
- Distance
-
197.572+1.005-0.995pc
- Parallax
- 5.0326700±0.0254286 mas
- Ecliptic Latitude
- 46.74545 deg
- Ecliptic Longitude
- 287.84551 deg
- Galactic Latitude
- 10.37371 deg
- Galactic Longitude
- 54.84095 deg
- Total Proper Motion
- 34.4369719±0.0396109 mas/yr
- Proper Motion (RA)
- -14.5826000±0.0301365 mas/yr
- Proper Motion (Dec)
- -31.1970000±0.0413933 mas/yr
- Photometry
-
mV10.845±0.006
-
mTESS10.2025±0.0060
-
mJ9.586±0.026
-
mH9.269±0.032
-
mKs9.177±0.021
-
mW18.981±0.021
-
mW28.983±0.019
-
mW38.928001±0.028000
-
mW48.533±0.339
-
mGaia10.669900±0.000253
-
mB11.551±0.090
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.27±0.02 dex
-
[C/H] 0.17±0.06 dex
-
[O/H] 0.14±0.09 dex
-
[Na/H] 0.14±0.04 dex
-
[Mg/H] 0.27±0.06 dex
-
[Al/H] 0.21±0.05 dex
-
[Si/H] 0.19±0.05 dex
-
[Ca/H] 0.26±0.04 dex
-
[Y/H] 0.25±0.08 dex
-
[BaII/H] 0.34±0.19 dex
| Source | TICv8 | Gaia DR2 | Bonomo et al. 2017 | Stassun et al. 2017 | Fulton et al. 2015 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5703.0000+90.1739-108.0830
|
5438.4500+81.8835-58.4050
|
5754+54-55
|
5754±54 |
5754+54-55
|
5703.0±99.1 | ||
|
Metallicity
(dex)
|
0.23±0.10 [M/H] | --- | 0.272±0.038 | 0.27 [Fe/H] | 0.272±0.038 [Fe/H] | --- | ||
|
γ
(km/s)
|
--- | -34.28381995998774±0.25410324995470 | --- | --- | -31.2±0.3 | --- | ||
|
v sin i
(km/s)
|
--- | --- | 3.7±1.5 | --- | 3.7±1.5 | --- | ||
|
Age
(Gyr)
|
--- | --- |
5.40+0.40-0.50
|
--- |
5.4+0.4-0.5
|
--- | ||
|
ρ✶
(g/cm3)
|
0.5339167+0.1240720-0.0921615
|
--- | --- | 0.37±0.07 |
0.369+0.073-0.067
|
--- | ||
|
M✶
(M⦿)
|
1.0160000+0.1701630-0.0892876
|
--- |
1.211+0.078-0.066
|
0.810±0.210 |
1.211+0.078-0.066
|
--- | ||
|
R✶
(R⦿)
|
1.3895100+0.0414749-0.0791281
|
1.4391740+0.0314168-0.0423779
|
1.67+0.14-0.12
|
1.46±0.08 |
1.67+0.14-0.12
|
1.38951003551483±0.06030150000000 | ||
|
log g
(log10(cm/s2))
|
4.1592400+0.0740621-0.0714159
|
--- | --- | 4.08±0.05 |
4.078+0.049-0.054
|
4.16±0.07 | ||
|
Sp. T
|
--- | --- | --- | --- | G2 V | --- | ||
|
L✶
(log10(L⦿))
|
0.26483198+0.01591388-0.02261618
|
0.21282201+0.00371430-0.00374634
|
--- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Stassun et al. 2017 | Kokori et al. 2023 | Patel & Espinoza 2022 | Ivshina & Winn 2022 | Mallonn et al. 2019 | Bonomo et al. 2017 | Fulton et al. 2015 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|---|
|
Mp
(M⨁)
|
210±38 | --- | --- | --- | --- |
273+17-16
|
276+21-19
|
--- | ||
|
Mp
(MJup)
|
0.66±0.12 | --- | --- | --- | --- |
0.858+0.053-0.051
|
0.867+0.065-0.061
|
--- | ||
|
e
|
0.04±0.05 |
0.04+0.05-0.03
|
--- | --- | --- | <0.047 |
0.035+0.050-0.025
|
--- | ||
|
i
(deg)
|
82.65±0.90 |
82.7+0.8-1.0
|
--- | --- | --- |
82.65+0.81-1.00
|
82.65+0.81-1.00
|
--- | ||
|
P
(days)
|
3.24406±0.00016 | 3.24408156±0.00000100 |
3.2440440+0.0001010-0.0000920
|
3.2440788±0.0000033 | 3.2440796±0.0000048 | 3.24406±0.00016 | 3.24406±0.00016 | 3.24404536626308±0.00000539871830 | ||
|
ρ
(g/cm3)
|
--- | --- | --- | --- | --- |
0.165+0.054-0.039
|
0.167+0.047-0.038
|
--- | ||
|
Rp
(R⨁)
|
18.2±1.1 | --- | --- | --- | --- |
20.8+2.0-1.8
|
20.8+2.0-1.8
|
21.049846605203±1.284811300000 | ||
|
Rp
(RJup)
|
1.62±0.10 | --- | --- | --- | --- |
1.86+0.18-0.16
|
1.86+0.18-0.16
|
1.8779447630955±0.1146233840870 | ||
|
K
(m/s)
|
104.0±6.4 | --- | --- | --- | --- |
104.2+5.2-5.3
|
104.0±6.4 | --- | ||
|
a
(au)
|
--- | --- | --- | --- | --- |
0.04550+0.00083-0.00088
|
0.04571+0.00096-0.00084
|
--- | ||
|
TC
(days)
|
--- | 2457986.46737±0.00026 |
2459021.32978+0.00031-0.00029
|
2457574.46926±0.00070 | 2457396.04496±0.00055 | 2456883.4803±0.0007 | 2456883.4803±0.0007 | 2459391.15418400±0.00045708 | ||
|
a/R✶
|
5.90±0.38 | 5.9±0.4 |
6.96+0.21-0.17
|
--- | --- | --- |
5.90+0.37-0.38
|
--- | ||
|
ω
(deg)
|
--- |
85.0+87.0-97.0
|
--- | --- | --- | --- |
85.0+87.0-97.0
|
--- | ||
|
Rp/R✶
|
--- | 0.115±0.003 |
0.1115+0.0025-0.0024
|
--- | --- | --- | 0.1145±0.0026 | --- | ||
|
δ
(%)
|
1.30±0.06 | --- | --- | --- | --- | --- | 1.311±0.059 | 1.50119381968929±0.02353968000000 | ||
|
b
|
--- | --- |
0.614+0.028-0.040
|
--- | --- | --- |
0.741+0.027-0.033
|
--- | ||
|
Tp
(days)
|
--- | --- | --- | --- | --- | --- |
2456870.47+0.75-0.86
|
--- | ||
|
Teq
(K)
|
--- | --- | --- | --- | --- | --- |
1675+61-55
|
1428.21087790916 | ||
|
T14
(hours)
|
--- | --- | --- | --- | --- | --- |
3.466+0.082-0.079
|
3.6774272145435±0.0339990900000 | ||
|
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | --- | 983.309755560016 |
- Known Objects
- 1 Confirmed Planets
- 9 2MASS Point Source Catalog
- Data Files
- 3 SuperWASP Time Series
- 1 Associated Literature Data
-
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Ephemeris refinement of 21 hot Jupiter exoplanets with high timing uncertainties
Mallonn et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
The GAPS Programme with HARPS-N at TNG . XIV. Investigating giant planet migration history via improved eccentricity and mass determination for 231 transiting planets
Bonomo et al. 2017 | Reference Overview -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 | Reference Overview -
KELT-8b: A Highly Inflated Transiting Hot Jupiter and a New Technique for Extracting High-precision Radial Velocities from Noisy Spectra
Fulton et al. 2015 | 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
