HD 118203 Overview
HD 118203
1.99
R⦿
5872.00
K
HD 118203 b
1.120
RJup
HD 118203 c
- Architecture
- HD 118203
- HD 118203
- Other Data
- Bibliography 17
- Exoplanet Archive Notes 2
- Nearby Data 3
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
HD 118203 | HD 118203 b | Radial Velocity | 2005 | da Silva et al. 2006 | Confirmed Planet |
HD 118203 | HD 118203 c | Radial Velocity | 2024 | Maciejewski et al. 2024 | Confirmed Planet |
HD 118203 b
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Maciejewski et al. 2024)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Maciejewski et al. 2024)
- RA
- 13h34m02.39s
- Dec
- +53d43m41.48s
- Distance
-
92.2589+0.2364-0.2352pc
- Parallax
- 10.8102000±0.0274972 mas
- Ecliptic Latitude
- 56.46699 deg
- Ecliptic Longitude
- 169.12683 deg
- Galactic Latitude
- 62.26188 deg
- Galactic Longitude
- 109.34478 deg
- Total Proper Motion
- 116.6279708±0.0462979 mas/yr
- Proper Motion (RA)
- -85.8766000±0.0522685 mas/yr
- Proper Motion (Dec)
- -78.9132000±0.0380336 mas/yr
- Photometry
-
mV8.05±0.03
-
mTESS7.4556±0.0060
-
mJ6.861±0.021
-
mH6.608±0.038
-
mKs6.543±0.023
-
mW16.472±0.078
-
mW26.450±0.023
-
mW36.501±0.016
-
mW46.438±0.054
-
mGaia7.89255±0.00031
-
mB8.746±0.025
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.22±0.05 dex
-
[C/H] 0.31±0.11 dex
-
[O/H] 0.30±0.08 dex
-
[Na/H] 0.26±0.14 dex
-
[Mg/H] 0.24±0.06 dex
-
[Al/H] 0.25±0.19 dex
-
[Si/H] 0.22±0.07 dex
-
[Ca/H] 0.22±0.08 dex
-
[Y/H] 0.23±0.08 dex
-
[BaII/H] 0.13±0.15 dex
Source | Knudstrup et al. 2024 | Maciejewski et al. 2024 | Castro-González et al. 2024 | Pepper et al. 2020 | TICv8 | Gaia DR2 | Stassun et al. 2017 | Sousa et al. 2015 | Santos et al. 2013 | da Silva et al. 2006 | Cannon & Pickering 1918 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teff
(K)
|
5683±85 | 5788±51 | 5872±20 |
5683+84-85
|
5836.950+127.493-152.093
|
5828.6665+64.8335-98.6665
|
5864±25 | 5890±41 | 5910±35 | 5600±150 | --- | 5828.7±80.0 | ||
L✶
(log10(L⦿))
|
--- |
0.700+0.080-0.080
|
0.6458±0.0018 |
0.618+0.035-0.036
|
0.6433965+0.0120006-0.0110920
|
0.6458690+0.0018256-0.0018333
|
--- | --- | --- | --- | --- | --- | ||
Metallicity
(dex)
|
0.223±0.076 [Fe/H] | 0.22±0.02 [Fe/H] | 0.27±0.02 [Fe/H] | 0.223±0.076 [Fe/H] | 0.2113670±0.0109545 [M/H] | --- | 0.23 [Fe/H] | 0.30±0.03 [Fe/H] | 0.25±0.03 [Fe/H] | 0.10±0.05 [Fe/H] | --- | --- | ||
γ
(km/s)
|
--- | -29.177±0.008 | -29.3643±0.0045 | -29.387±0.006 | --- | -29.33416648447401±0.17668502739392 | --- | --- | --- | -29.387±0.006 | --- | --- | ||
M✶
(M⦿)
|
1.13+0.05-0.06
|
1.220±0.021 | 1.353±0.006 |
1.251+0.053-0.059
|
1.050000+0.147724-0.124684
|
--- | 1.84±0.24 | 1.342±0.055 | 1.21±0.09 | 1.23±0.03 | --- | --- | ||
R✶
(R⦿)
|
2.10±0.05 | 2.03±0.16 | 1.993±0.065 |
2.102+0.052-0.051
|
2.051060+0.113549-0.109159
|
2.0627600+0.0716504-0.0451344
|
2.06±0.06 | 1.829±0.119 | --- | --- | --- | 2.05±0.11 | ||
log g
(log10(cm/s2))
|
3.889±0.018 | 3.99±0.12 | 4.05±0.04 |
3.889+0.017-0.018
|
3.8353000+0.0771018-0.0885478
|
--- | 4.08±0.05 | 4.10±0.06 | 4.18±0.07 | 3.87 | --- | 3.84±0.08 | ||
Age
(Gyr)
|
5.32+0.96-0.73
|
5.25+0.36-0.34
|
--- |
5.32+0.96-0.73
|
--- | --- | --- | 3.578±0.492 | --- | 4.6±0.8 | --- | --- | ||
ρ✶
(g/cm3)
|
--- |
0.2089+0.0089-0.0113
|
--- | 0.190±0.011 |
0.1715604+0.0413840-0.0380669
|
--- | --- | --- | --- | --- | --- | --- | ||
v sin i
(km/s)
|
4.9+0.4-0.5
|
3.23±0.77 | --- | --- | --- | --- | --- | --- | --- | 4.7 | --- | --- | ||
Sp. T
|
--- | K0 IV | --- | --- | --- | --- | --- | --- | --- | K0 | K0 | --- | ||
Prot
(days)
|
6.1±0.4 | <32±8 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Source | Maciejewski et al. 2024 | Knudstrup et al. 2024 | Castro-González et al. 2024 | Pepper et al. 2020 | Stassun et al. 2017 | da Silva et al. 2006 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|---|---|---|
Teq
(K)
|
1371+16-17
|
--- | 1360±23 | 1494±25 | --- | --- | 1509 | ||
S
(S⨁)
|
--- | --- | 593.4±8.2 |
755.3+51.0-48.0
|
--- | --- | 861.554 | ||
P
(days)
|
6.1349890±0.0000013 | 6.13499±0.00003 | 6.1349847±0.0000020 |
6.134985+0.000029-0.000030
|
6.13350±0.00060 | 6.1335±0.0006 | 6.1349783±0.0000165 | ||
Rp
(R⨁)
|
12.6±1.0 | 12.8±0.3 | 12.06±0.39 |
12.73+0.33-0.31
|
--- | --- | 13.138300±0.760486 | ||
Rp
(RJup)
|
1.12±0.09 | 1.14±0.03 | 1.076±0.035 |
1.136+0.029-0.028
|
--- | --- | 1.1721226±0.0678461 | ||
δ
(%)
|
0.3564+0.0023-0.0024
|
--- | 0.3075±0.0025 |
0.3083+0.0021-0.0018
|
--- | --- | 0.386000000±0.000136645 | ||
T14
(hours)
|
5.638+0.013-0.011
|
--- | --- |
5.6503+0.0130-0.0120
|
--- | --- | 5.661±0.775 | ||
TC
(days)
|
2458712.66178+0.00020-0.00019
|
--- | 2459663.58480±0.00025 |
2458737.20142+0.00017-0.00019
|
--- | --- | 2459657.4494610±0.0012213 | ||
a/R✶
|
7.46+0.11-0.14
|
7.23+0.13-0.14
|
9.32±0.31 |
7.23+0.13-0.14
|
--- | --- | --- | ||
b
|
0.12+0.10-0.08
|
0.111+0.076-0.095
|
0.14±0.10 |
0.111+0.095-0.076
|
--- | --- | --- | ||
Mp
(M⨁)
|
693.5±10.5 |
690+22-25
|
725.3±14.3 |
688.4+23.5-25.1
|
--- | --- | --- | ||
Mp
(MJup)
|
2.182±0.033 |
2.17+0.07-0.08
|
2.282±0.045 |
2.166+0.074-0.079
|
--- | --- | --- | ||
e
|
0.301±0.006 | 0.314±0.017 | 0.316±0.020 | 0.314±0.017 | 0.31±0.01 | 0.309±0.014 | --- | ||
i
(deg)
|
88.9+0.8-1.0
|
17±2 |
89.16+0.57-0.65
|
88.88+0.77-0.97
|
--- | --- | --- | ||
Rp/R✶
|
0.05541+0.00025-0.00017
|
0.05552+0.00017-0.00019
|
0.05546+0.00024-0.00022
|
0.05552+0.00019-0.00017
|
--- | --- | --- | ||
λ
(deg)
|
--- |
-23+25-38
|
--- | --- | --- | --- | --- | ||
ψ
(deg)
|
--- |
75+3-5
|
--- | --- | --- | --- | --- | ||
Mp sin i
(M⨁)
|
--- | --- | --- |
688.1+23.5-25.1
|
887±79 | 677 | --- | ||
Mp sin i
(MJup)
|
--- | --- | --- |
2.165+0.074-0.079
|
2.79±0.25 | 2.13 | --- | ||
K
(m/s)
|
222.2±2.1 | --- |
218.0+4.0-3.9
|
218.0+4.4-4.3
|
217.0±3.0 | --- | --- | ||
a
(au)
|
0.0701±0.0004 | --- | 0.08635±0.00057 |
0.07071+0.00099-0.00110
|
0.070±0.000 | 0.07 | --- | ||
ω
(deg)
|
157.4±1.9 | --- | 152.5±2.7 | 152.8±3.1 | --- | 155.7±2.4 | --- | ||
ρ
(g/cm3)
|
2.1±0.5 | --- | 2.27±0.23 | 1.83±0.12 | --- | --- | --- | ||
Tp
(days)
|
--- | --- | --- |
2458707.110+0.042-0.039
|
--- | 2453394.23±0.03 | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
Source | Maciejewski et al. 2024 |
---|---|
Teq
(K)
|
146±3 |
ω
(deg)
|
175.4+4.3-4.6
|
Mp
(M⨁)
|
3528+413-318
|
Mp
(MJup)
|
11.1+1.3-1.0
|
e
|
0.257±0.034 |
i
(deg)
|
95.0+15.0-19.0
|
P
(days)
|
5070+240-230
|
K
(m/s)
|
118+11-10
|
a
(au)
|
6.20±0.20 |
TC
(days)
|
2456825+68-63
|
Literature Time Series
(2 File Types, 2 Files)
File Type | Data Points | Filter | Reference |
---|---|---|---|
Photometric Light Curve | 133 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Radial Velocity Curve | 43 | Optical Spectra | da Silva et al. 2006 |
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 2 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 -
Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
Maciejewski et al. 2024 | Reference Overview -
Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion
Castro-González et al. 2024 | Reference Overview -
TESS Reveals HD 118203 b to be a Transiting Planet
Pepper et al. 2020 | 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 -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 | Reference Overview -
Homogeneous spectroscopic parameters for bright planet host stars from the northern hemisphere . The impact on stellar and planetary mass
Sousa et al. 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
SWEET-Cat: A catalogue of parameters for Stars With ExoplanETs. I. New atmospheric parameters and masses for 48 stars with planets
Santos et al. 2013 | Reference Overview -
Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143
da Silva et al. 2006 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 | Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog | Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 | 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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