HAT-P-18 Overview
HAT-P-18
0.72
R⦿
4870.00
K
HAT-P-18 b
0.995
RJup
- Architecture
- HAT-P-18
- HAT-P-18
- Other Data
- Bibliography 15
- Exoplanet Archive Notes 1
- Nearby Data 5
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
HAT-P-18 | HAT-P-18 b | Transit | 2010 | Hartman et al. 2011 | Confirmed Planet |
HAT-P-18 b
- Value for Stellar Surface Gravity drawn from Table 2, solution "Derived parameters" in ref. Value for Rot. Velocity drawn from Table 2, solution "RV and photometric data fit" in ref. (Esposito et al. 2014)
- RA
- 17h05m23.13s
- Dec
- +33d00m44.37s
- Distance
-
161.400+0.610-0.605pc
- Parallax
- 6.1669300±0.0231329 mas
- Ecliptic Latitude
- 55.48655 deg
- Ecliptic Longitude
- 249.54854 deg
- Galactic Latitude
- 35.56176 deg
- Galactic Longitude
- 55.652 deg
- Total Proper Motion
- 39.2955032±0.0410087 mas/yr
- Proper Motion (RA)
- -14.0729000±0.0337627 mas/yr
- Proper Motion (Dec)
- -36.6891000±0.0419694 mas/yr
- Photometry
-
mV12.597±0.069
-
mTESS11.7330±0.0061
-
mJ10.822±0.020
-
mH10.340±0.019
-
mKs10.234±0.017
-
mW110.195±0.023
-
mW210.253±0.019
-
mW310.154±0.052
-
mW48.915
-
mGaia12.368200±0.000283
-
mB13.662±0.053
-
mg13.5205000±0.0022484
-
mi12.1300000±0.0010789
-
mr12.420100±0.001168
-
mu15.8651000±0.0066004
-
mz13.2403000±0.0079283
Source | TICv8 | Gaia DR2 | Bonomo et al. 2017 | Esposito et al. 2014 | Knutson et al. 2014 | Hartman et al. 2011 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|
Teff
(K)
|
4790.000+107.643-127.605
|
4804.1704+146.4800-49.1054
|
4803±80 | 4870±50 | --- | 4803±80 | 4790.000±117.624 | ||
Metallicity
(dex)
|
0.14±0.08 [M/H] | --- | 0.100±0.080 | 0.10±0.06 [Fe/H] | 0.14±0.08 [Fe/H] | 0.10±0.08 [Fe/H] | --- | ||
v sin i
(km/s)
|
--- | --- | 0.50±0.50 | 1.58±0.18 | --- | 0.5±0.5 | --- | ||
ρ✶
(g/cm3)
|
2.6881299+0.5599999-0.8398660
|
--- | --- | 2.94±0.30 | --- | --- | --- | ||
M✶
(M⦿)
|
0.7730000+0.0759889-0.1052010
|
--- | 0.770±0.031 | 0.770±0.027 | 0.77±0.03 | 0.770±0.031 | --- | ||
R✶
(R⦿)
|
0.7401130+0.0603302-0.0390065
|
0.7305036+0.0151658-0.0425886
|
0.749±0.037 | 0.717±0.026 | --- | 0.749±0.037 | 0.7401130±0.0496683 | ||
log g
(log10(cm/s2))
|
4.5876500+0.0674392-0.1094610
|
--- | --- | 4.613±0.031 | --- | 4.57±0.04 | 4.5876500±0.0884501 | ||
L✶
(log10(L⦿))
|
-0.5853674+0.0191334-0.0123049
|
-0.59158686+0.00285967-0.00287865
|
--- | --- | --- |
-0.569 +0.060-0.070
|
--- | ||
γ
(km/s)
|
--- | -11.834511252635906±1.156579315342083 | --- | --- | --- | -11.92±0.28 | --- | ||
Age
(Gyr)
|
--- | --- |
12.4+1.4-6.4
|
--- | --- |
12.4 +4.4-6.4
|
--- | ||
Sp. T
|
--- | --- | --- | --- | --- | K2 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
Source | Hartman et al. 2011 | Fu et al. 2022 | Patel & Espinoza 2022 | Ivshina & Winn 2022 | Kokori et al. 2022 | Kirk et al. 2017 | Bonomo et al. 2017 | Seeliger et al. 2015 | Knutson et al. 2014 | Esposito et al. 2014 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
a/R✶
|
16.04±0.75 | 16.52±0.06 |
17.25+0.27-0.41
|
--- | --- | 16.39±0.24 | --- | 17.09±0.71 | --- | --- | --- | ||
i
(deg)
|
88.8±0.3 | 88.66±0.03 | --- | --- | --- | 88.53±0.16 | 88.80±0.30 | 88.79±0.21 | --- | 88.79±0.25 | --- | ||
P
(days)
|
5.508023±0.000006 | --- | 5.5080232±0.0000056 | 5.5080287±0.0000014 | 5.5080300±0.0000008 | --- | 5.5080230±0.0000060 | 5.5080291±0.0000042 | --- | 5.507978±0.000043 | 5.50806821746442±0.00007165837500 | ||
Rp/R✶
|
0.1365±0.0015 | --- |
0.1324+0.0021-0.0016
|
--- | --- |
0.1356+0.0028-0.0024
|
--- | 0.1362±0.0011 | --- | --- | --- | ||
TC
(days)
|
2454715.02174±0.00020 | 2459743.853395±0.000023 |
2459033.31735+0.00021-0.00022
|
2456411.49556±0.00053 | 2457276.25646±0.00010 |
2457507.59219566+0.00019400-0.00018100
|
2454715.02249±0.00020 | 2454715.02254±0.00039 | --- | --- | 2458983.74499200±0.00038474 | ||
ω
(deg)
|
120.0±56.0 | --- | --- | --- | --- | --- | --- | --- |
12+22-21
|
104±50 | --- | ||
Mp
(M⨁)
|
62.610±4.132 | --- | --- | --- | --- | --- | 63.6±6.0 | --- |
58.2+10.8-10.2
|
62.3±2.5 | --- | ||
Mp
(MJup)
|
0.197±0.013 | --- | --- | --- | --- | --- | 0.200±0.019 | --- |
0.183+0.034-0.032
|
0.196±0.008 | --- | ||
e
|
0.084±0.048 | --- | --- | --- | --- | --- | <0.087 | --- |
0.106+0.150-0.084
|
0.0090+0.0300-0.0090
|
--- | ||
K
(m/s)
|
27.1±1.6 | --- | --- | --- | --- | --- | 27.5±2.5 | --- |
25.4+5.8-4.5
|
26.9±1.1 | --- | ||
b
|
0.324 +0.055-0.078
|
--- |
0.148+0.127-0.095
|
--- | --- | --- | --- | --- | --- | 0.352±0.057 | --- | ||
Tp
(days)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 2455706.7±0.7 | --- | ||
Teq
(K)
|
852±28 | --- | --- | --- | --- | --- | --- | --- | --- | 841±15 | 768.053368932309 | ||
ρ
(g/cm3)
|
0.25±0.04 | --- | --- | --- | --- | --- |
0.251+0.052-0.042
|
--- | --- | 0.286±0.042 | --- | ||
Rp
(R⨁)
|
11.153±0.583 | --- | --- | --- | --- | --- | 11.15±0.58 | --- | --- | 10.6±0.5 | 10.7299795003944±0.7361982000000 | ||
Rp
(RJup)
|
0.995±0.052 | --- | --- | --- | --- | --- | 0.9950±0.0520 | --- | --- | 0.947±0.044 | 0.957266301689180±0.065679317299565 | ||
a
(au)
|
0.0559±0.0007 | --- | --- | --- | --- | --- | 0.05596±0.00074 | --- | --- | 0.0559±0.0007 | --- | ||
δ
(%)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 2.179±0.048 | 2.15847573167274±0.01938142700000 | ||
T14
(hours)
|
2.7144±0.0216 | --- | --- | --- | --- | --- | --- | --- | --- | 2.69±0.06 | 2.63999947014186±0.03443654300000 | ||
λ
(deg)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 132±15 | --- | ||
S
(S⨁)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 82.2406616223352 |
Literature Time Series
(1 File Type, 1 File)
File Type | Data Points | Filter | Reference |
---|---|---|---|
Radial Velocity Curve | 24 | Optical Spectra | Hartman et al. 2011 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
Water and an escaping helium tail detected in the hazy and methane-depleted atmosphere of HAT-P-18b from JWST NIRISS/SOSS
Fu et al. 2022 -
Empirical Limb-darkening Coefficients and Transit Parameters of Known Exoplanets from TESS
Patel & Espinoza 2022 -
TESS Transit Timing of Hundreds of Hot Jupiters
Ivshina & Winn 2022 -
ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides
Kokori et al. 2022 -
The Revised TESS Input Catalog and Candidate Target List
TICv8 -
Gaia Data Release 2
Gaia DR2 -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
Rayleigh scattering in the transmission spectrum of HAT-P-18b
Kirk et al. 2017 -
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 -
Ground-based transit observations of the HAT-P-18, HAT-P-19, HAT-P-27/WASP40 and WASP-21 systems
Seeliger et al. 2015 -
Friends of Hot Jupiters I: A Radial Velocity Search for Massive, Long-Period Companions to Close-In Gas Giant Planets
Knutson et al. 2014 -
The GAPS Programme with HARPS-N at TNG. III: The retrograde orbit of HAT-P-18b
Esposito et al. 2014 -
All WISE Data Release
Cutri et al. 2014 -
HAT-P-18b and HAT-P-19b: Two Low-Density Saturn-Mass Planets Transiting Metal-Rich K Stars
Hartman et al. 2011 -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog
- 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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