KELT-18 Overview
KELT-18
1.91
R⦿
6670.00
K
KELT-18 b
1.570
RJup
KELT-18 B
- Other Data
- Bibliography 12
- Exoplanet Archive Notes 1
- KELT-18 Nearby Data 4
- KELT-18 B Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| KELT-18 | KELT-18 b | Transit | 2017 | McLeod et al. 2017 | Confirmed Planet |
KELT-18
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- RA
- 14h26m05.72s
- Dec
- +59d26m39.38s
- Distance
-
321.376+2.509-2.470pc
- Parallax
- 3.0828400±0.0239248 mas
- Ecliptic Latitude
- 65.5647 deg
- Ecliptic Longitude
- 170.96367 deg
- Galactic Latitude
- 53.81036 deg
- Galactic Longitude
- 102.71473 deg
- Total Proper Motion
- 20.4082171±0.0438013 mas/yr
- Proper Motion (RA)
- -19.4503000±0.0439719 mas/yr
- Proper Motion (Dec)
- 6.1790900±0.0420736 mas/yr
- Photometry
-
mV10.160±0.005
-
mTESS9.8230±0.0076
-
mJ9.454001±0.031000
-
mH9.272±0.036
-
mKs9.210±0.022
-
mW19.135±0.023
-
mW29.154±0.020
-
mW39.170±0.029
-
mW49.085
-
mGaia10.10360±0.00034
-
mB10.620±0.066
-
mg10.595±0.106
-
mi10.031±0.021
-
mr10.043±0.016
-
mz10.2±0.1
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.12±0.04 dex
-
[C/H] 0.13±0.09 dex
| Source | Rubenzahl et al. 2024 | TICv8 | Gaia DR2 | McLeod et al. 2017 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
γ
(km/s)
|
-11.7±0.1 | --- | -10.830914800759846±0.462549062519371 | -11.6±0.1 | --- | ||
|
v sin i
(km/s)
|
10.2±1.0 | --- | --- | 12.3±0.3 | --- | ||
|
Prot
(days)
|
<8 | --- | --- | --- | --- | ||
|
Teff
(K)
|
--- |
6840.000+119.153-138.440
|
6767.6953+123.6830-92.1353
|
6670±120 | 6840.0±128.8 | ||
|
L✶
(log10(L⦿))
|
--- |
0.8565475+0.0219636-0.0178018
|
0.84373065+0.00581956-0.00589862
|
0.813+0.041-0.041
|
--- | ||
|
Metallicity
(dex)
|
--- | --- | --- | 0.090±0.130 [Fe/H] | --- | ||
|
Age
(Gyr)
|
--- | --- | --- | 1.9±0.2 | --- | ||
|
ρ✶
(g/cm3)
|
--- |
0.2999053+0.0707132-0.0662555
|
--- |
0.3111+0.0070-0.0140
|
--- | ||
|
M✶
(M⦿)
|
--- |
1.480000+0.318443-0.197887
|
--- |
1.524+0.069-0.068
|
--- | ||
|
R✶
(R⦿)
|
--- |
1.9090400+0.0849085-0.0724332
|
1.9214822+0.0534061-0.0683525
|
1.908+0.042-0.035
|
1.91±0.08 | ||
|
log g
(log10(cm/s2))
|
--- |
4.0467000+0.0946354-0.0843527
|
--- |
4.0599+0.0096-0.0140
|
4.05±0.09 | ||
|
Sp. T
|
--- | --- | --- | F4 V | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | McLeod et al. 2017 | Rubenzahl et al. 2024 | Kokori et al. 2023 | Ivshina & Winn 2022 | Kokori et al. 2022 | Maciejewski 2020 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|---|---|
|
a/R✶
|
5.138+0.038-0.078
|
--- |
5.14+0.04-0.08
|
--- | --- |
4.36+0.11-0.09
|
--- | ||
|
Teq
(K)
|
2085+39-38
|
--- | --- | --- | --- | --- | 2281 | ||
|
b
|
0.102+0.100-0.071
|
0.070±0.009 | --- | --- | --- | --- | --- | ||
|
S
(S⨁)
|
3152+242-220
|
--- | --- | --- | --- | --- | 4494.25 | ||
|
Mp
(M⨁)
|
375±35 | --- | --- | --- | --- | --- | --- | ||
|
Mp
(MJup)
|
1.18±0.11 | --- | --- | --- | --- | --- | --- | ||
|
Mp sin i
(M⨁)
|
375±35 | --- | --- | --- | --- | --- | --- | ||
|
Mp sin i
(MJup)
|
1.18±0.11 | --- | --- | --- | --- | --- | --- | ||
|
e
|
0 | --- | --- | --- | --- | --- | --- | ||
|
i
(deg)
|
88.86+0.79-1.20
|
--- |
88.9+0.8-1.2
|
--- | --- |
82.90+0.62-0.54
|
--- | ||
|
P
(days)
|
2.8717518±0.0000028 | --- | 2.8716995±0.0000012 | 2.87169867±0.00000085 | 2.8717023±0.0000019 | 2.8716992±0.0000013 | 2.8716983±0.0000067 | ||
|
ρ
(g/cm3)
|
0.377±0.040 | --- | --- | --- | --- | --- | --- | ||
|
Rp
(R⨁)
|
17.60+0.47-0.40
|
--- | --- | --- | --- | --- | 18.126700±0.784303 | ||
|
Rp
(RJup)
|
1.570+0.042-0.036
|
--- | --- | --- | --- | --- | 1.6171586±0.0699709 | ||
|
Rp/R✶
|
0.08462±0.00091 | --- | 0.0846±0.0009 | --- | --- | 0.0845±0.0005 | --- | ||
|
K
(m/s)
|
127±11 | --- | --- | --- | --- | --- | --- | ||
|
a
(au)
|
0.04550+0.00067-0.00069
|
--- | --- | --- | --- | --- | --- | ||
|
δ
(%)
|
0.716±0.015 | --- | --- | --- | --- | 0.715±0.008 | 0.8568000±0.0196503 | ||
|
T14
(hours)
|
4.644+0.026-0.024
|
--- | --- | --- | --- |
4.735+0.152-0.133
|
4.668±0.361 | ||
|
TC
(days)
|
2457542.52504±0.00039 | --- | 2458676.84596±0.00024 | 2458714.17773±0.00011 | 2457838.3101±0.0004 | 2457542.52463±0.00057 | 2460419.9673320±0.0012422 | ||
|
λ
(deg)
|
--- | -94.8±0.7 | --- | --- | --- | --- | --- | ||
|
ψ
(deg)
|
--- |
91.7+2.2-1.8
|
--- | --- | --- | --- | --- |
- RA
- 14h26m06.13s
- Dec
- +59d26m40.65s
- Distance
-
310.286+4.665-4.532pc
- Parallax
- 3.1947200±0.0473945 mas
- Ecliptic Latitude
- 65.56561 deg
- Ecliptic Longitude
- 170.96436 deg
- Galactic Latitude
- 53.80955 deg
- Galactic Longitude
- 102.7139 deg
- Total Proper Motion
- 20.7321859±0.0925839 mas/yr
- Proper Motion (RA)
- -19.6361000±0.0918005 mas/yr
- Proper Motion (Dec)
- 6.6518500±0.0991491 mas/yr
- Photometry
-
mV---
-
mTESS15.0429±0.6000
-
mJ---
-
mH---
-
mKs---
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mGaia15.472900±0.004003
-
mB---
-
mg---
-
mi---
-
mr---
-
mz---
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
KPF Confirms a Polar Orbit for KELT-18 b
Rubenzahl et al. 2024 | Reference Overview -
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 | Reference Overview -
ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides
Kokori et al. 2022 | Reference Overview -
Search for Planets in Hot Jupiter Systems with Multi-Sector TESS Photometry. I. No Companions in Planetary Systems KELT-18, KELT-23, KELT-24, Qatar-8, WASP-62, WASP-100, WASP-119, and WASP-126
Maciejewski 2020 | Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
KELT-18b: Puffy Planet, Hot Host, Probably Perturbed
McLeod et al. 2017 | 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
