HD 203030 Overview
HD 203030
0.86
R⦿
5472.33
K
HD 203030 b
1.290
RJup
- Architecture
- HD 203030
- HD 203030
- Other Data
- Bibliography 14
- Exoplanet Archive Notes 2
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 203030 | HD 203030 b | Imaging | 2006 | Metchev & Hillenbrand 2006 | Confirmed Planet |
HD 203030 b
- The Exoplanet Archive adopts lower-case letters for planetary mass companions. (Metchev & Hillenbrand 2006)
- Effective temperature entered under equilibrium temperature. (Miles-Páez et al. 2017)
- RA
- 21h18m58.37s
- Dec
- +26d13m50.10s
- Distance
-
39.2503+0.0949-0.0944pc
- Parallax
- 25.4488000±0.0609562 mas
- Ecliptic Latitude
- 39.50102 deg
- Ecliptic Longitude
- 332.51848 deg
- Galactic Latitude
- -16.11822 deg
- Galactic Longitude
- 74.61404 deg
- Total Proper Motion
- 133.9348194±0.1075451 mas/yr
- Proper Motion (RA)
- 133.593000±0.107532 mas/yr
- Proper Motion (Dec)
- 9.56275±0.11007 mas/yr
- Photometry
-
mV8.45±0.03
-
mTESS7.7663±0.0062
-
mJ7.068±0.019
-
mH6.737±0.018
-
mKs6.653±0.023
-
mW16.658±0.071
-
mW26.627±0.021
-
mW36.655±0.015
-
mW46.611±0.068
-
mGaia8.246630±0.000542
-
mB9.09±0.12
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.08±0.02 dex
-
[C/H] -0.04±0.09 dex
-
[O/H] -0.04±0.09 dex
-
[Na/H] -0.12±0.12 dex
-
[Mg/H] 0.08±0.12 dex
-
[Al/H] -0.03±0.09 dex
-
[Si/H] 0.03±0.04 dex
-
[Ca/H] 0.16±0.03 dex
-
[Y/H] 0.26±0.16 dex
-
[BaII/H] 0.34±0.19 dex
| Source | Swastik et al. 2021 | TICv8 | Gaia DR2 | Miles-Páez et al. 2017 | Metchev & Hillenbrand 2006 | Wright et al. 2004 | Nordstrom et al. 2004 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
γ
(km/s)
|
--- | --- | -16.915321208254774±0.257663325043770 | --- | --- | --- | -17.0±0.2 | --- |
|
v sin i
(km/s)
|
5.62+0.13-0.14
|
--- | --- | --- | --- | --- | 6 | --- |
|
Sp. T
|
--- | --- | --- | G8 V | G8 V | --- | --- | G5 |
|
Age
(Gyr)
|
--- | --- | --- |
0.100+0.050-0.070
|
0.22 +0.14-0.09
|
--- | --- | --- |
|
Teff
(K)
|
5603+10-8
|
5418.300+114.565-162.591
|
5472.3335+83.6665-60.8435
|
--- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-0.2253660+0.0078091-0.0134504
|
-0.22720325+0.00137845-0.00138282
|
--- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
--- |
0.8754750+0.0570508-0.0477834
|
0.8564577+0.0193672-0.0256002
|
--- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
1.9749834+0.5773746-0.4057170
|
--- | --- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
--- |
0.9400000+0.1298110-0.1217310
|
--- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.64+0.03-0.01
|
4.5267100+0.0760881-0.0997586
|
--- | --- | --- | --- | --- | --- |
|
S Index
|
--- | --- | --- | --- | --- | 0.450±0.059 | --- | --- |
|
CAII LOG RHK
|
--- | --- | --- | --- | --- | -4.37 | --- | --- |
|
Metallicity
(dex)
|
0.30+0.02-0.01
[Fe/H]
|
--- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Imaging
- Tools
- Direct Imaging
| Source | Miles-Páez et al. 2017 | Metchev & Hillenbrand 2006 |
|---|---|---|
|
Teq
(K)
|
1040±50 |
1206 +74-116
|
|
Mp
(M⨁)
|
3496+1271-953
|
7656.097 +2662.991-3661.612
|
|
Mp
(MJup)
|
11+4-3
|
24.090 +8.379-11.521
|
|
Rp
(R⨁)
|
14.5+0.7-0.4
|
--- |
|
Rp
(RJup)
|
1.29+0.06-0.04
|
--- |
|
a
(au)
|
--- | 487.1±1.8 |
Literature Stellar Spectra
(1 File)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | Infrared | Carpenter et al. 2008 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 119 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
Host Star Metallicity of Directly Imaged Wide-orbit Planets: Implications for Planet Formation
Swastik et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
The Prototypical Young L/T-Transition Dwarf HD 203030B Likely Has Planetary Mass
Miles-Páez et al. 2017 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
The Formation and Evolution of Planetary Systems: Description of the Spitzer Legacy Science Database
Carpenter et al. 2008 | Reference Overview -
HD 203030B: An Unusually Cool Young Substellar Companion near the L/T Transition
Metchev & Hillenbrand 2006 | Reference Overview -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | 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 -
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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