HD 203473 Overview
HD 203473
1.33
R⦿
5780.00
K
Χ
HD 203473 b
- Architecture
- HD 203473
- HD 203473
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 1
- Nearby Data 1
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 203473 | HD 203473 b | Radial Velocity | 2018 | Ment et al. 2018 | False Positive Planet |
HD 203473 b
- Confirmed planet demoted after planet mass revised >30 MJup in ref. (Xiao et al. 2023)
- RA
- 21h22m19.06s
- Dec
- +05d01m24.91s
- Distance
-
72.6402+0.3044-0.3018pc
- Parallax
- 13.7379000±0.0570083 mas
- Ecliptic Latitude
- 19.38786 deg
- Ecliptic Longitude
- 324.66265 deg
- Galactic Latitude
- -30.16399 deg
- Galactic Longitude
- 57.23494 deg
- Total Proper Motion
- 179.9016948±0.0805942 mas/yr
- Proper Motion (RA)
- 179.9010000±0.0805941 mas/yr
- Proper Motion (Dec)
- -0.4999990±0.0897656 mas/yr
- Photometry
-
mV8.23±0.03
-
mTESS7.6479±0.0060
-
mJ7.074±0.023
-
mH6.768±0.029
-
mKs6.718±0.017
-
mW16.662±0.076
-
mW26.698±0.021
-
mW36.731±0.016
-
mW46.637±0.064
-
mGaia8.076910±0.000438
-
mB8.881±0.000
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.22±0.05 dex
-
[C/H] 0.22±0.07 dex
-
[O/H] 0.14±0.10 dex
-
[Na/H] 0.21±0.07 dex
-
[Mg/H] 0.27±0.10 dex
-
[Al/H] 0.20±0.06 dex
-
[Si/H] 0.22±0.04 dex
-
[Ca/H] 0.19±0.01 dex
-
[Y/H] 0.17±0.07 dex
-
[BaII/H] 0.23±0.08 dex
| Source | Xiao et al. 2023 | TICv8 | Ment et al. 2018 | Gaia DR2 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 5 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5780±25 |
5780.000+133.664-178.598
|
5780 |
5846.75+35.00-93.50
|
--- | --- | --- |
|
Metallicity
(dex)
|
0.19±0.01 [Fe/H] | 0.18±0.10 [M/H] | 0.19 [Fe/H] | --- | --- | --- | --- |
|
M✶
(M⦿)
|
1.12±0.21 |
1.040000+0.141978-0.132783
|
1.12±0.21 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.110±0.028 |
4.0943200+0.0969376-0.0812177
|
--- | --- | --- | --- | --- |
|
Sp. T
|
G6 V | --- | G5 | --- | --- | G6 V | G5 |
|
L✶
(log10(L⦿))
|
--- |
0.36319008+0.01058355-0.01483702
|
0.25±0.06 |
0.36352011+0.00239799-0.00241130
|
--- | --- | --- |
|
Age
(Gyr)
|
--- | --- | 5.22±0.98 | --- | --- | --- | --- |
|
R✶
(R⦿)
|
--- |
1.5149300+0.1108320-0.0748563
|
1.33±0.10 |
1.4810975+0.0485318-0.0175745
|
--- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | -61.777616211125775±0.223768914337421 | -61.7±0.2 | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | 1 | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
0.4217185+0.1190027-0.0924374
|
--- | --- | --- | --- | --- |
- Status
- False Positive Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
| Source | Ment et al. 2018 | Xiao et al. 2023 |
|---|---|---|
|
Tp
(days)
|
2463333.6±9.1 |
2455911.0+16.0-17.0
|
|
ω
(deg)
|
18.0±1.1 |
20.9+1.7-1.8
|
|
Mp
(M⨁)
|
--- | 33690±4132 |
|
Mp
(MJup)
|
--- | 106.0±13.0 |
|
Mp sin i
(M⨁)
|
2479±350 |
19801+2543-2479
|
|
Mp sin i
(MJup)
|
7.8±1.1 |
62.3+8.0-7.8
|
|
e
|
0.289±0.010 |
0.3965+0.0110-0.0091
|
|
i
(deg)
|
--- |
36.1+1.4-1.3
|
|
P
(days)
|
1552.9±3.4 |
2962.7+3.1-3.4
|
|
a
(au)
|
2.73±0.17 |
4.32+0.24-0.27
|
|
K
(m/s)
|
133.6±2.4 | --- |
Literature Stellar Spectra
(1 File)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | N2K Consortium |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 58 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 2MASS Point Source Catalog
-
The Masses of a Sample of Radial-velocity Exoplanets with Astrometric Measurements
Xiao et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Radial Velocities from the N2K Project: Six New Cold Gas Giant Planets Orbiting HD 55696, HD 98736, HD 148164, HD 203473, and HD 211810
Ment et al. 2018 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 | Reference Overview -
N2K
N2K Consortium -
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 -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 | 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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