HD 171238 Overview
HD 171238
0.92
R⦿
5467.00
K
HD 171238 b
- Architecture
- HD 171238
- HD 171238
- Other Data
- Bibliography 14
- Exoplanet Archive Notes 1
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 171238 | HD 171238 b | Radial Velocity | 2009 | Ségransan et al. 2010 | Confirmed Planet |
HD 171238 b
- The authors note that the data is equally well fit by a retrograde orbital inclination of 162.9 +5.0 -3.1. (Li et al. 2021)
- RA
- 18h34m43.64s
- Dec
- -28d04m22.03s
- Distance
-
44.8113+0.1117-0.1112pc
- Parallax
- 22.2871000±0.0550862 mas
- Ecliptic Latitude
- -4.86472 deg
- Ecliptic Longitude
- 277.68173 deg
- Galactic Latitude
- -9.05461 deg
- Galactic Longitude
- 5.94504 deg
- Total Proper Motion
- 113.0479471±0.0865541 mas/yr
- Proper Motion (RA)
- -29.577800±0.104961 mas/yr
- Proper Motion (Dec)
- -109.1100000±0.0850445 mas/yr
- Photometry
-
mV8.61±0.03
-
mTESS7.9202±0.0061
-
mJ7.244±0.019
-
mH6.868±0.023
-
mKs6.831±0.017
-
mW16.781±0.076
-
mW26.835±0.021
-
mW36.831±0.018
-
mW46.618±0.077
-
mGaia8.410990±0.000971
-
mB9.410±0.041
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.22±0.03 dex
-
[C/H] 0.12±0.09 dex
-
[O/H] -0.03±0.12 dex
-
[Na/H] 0.09±0.04 dex
-
[Mg/H] 0.12±0.07 dex
-
[Al/H] 0.08±0.06 dex
-
[Si/H] 0.16±0.05 dex
-
[Ca/H] 0.21±0.06 dex
-
[Y/H] 0.16±0.08 dex
-
| Source | Li et al. 2021 | TICv8 | Ment et al. 2018 | Gaia DR2 | Segransan et al. 2010 | Nordstrom et al. 2004 | Michigan Catalog, Vol. 3 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
--- |
5440.0000+117.2160-93.8141
|
5440 |
5436.3335+91.9165-59.3335
|
5467±55 | --- | --- | --- |
|
Metallicity
(dex)
|
0.20±0.10 [Fe/H] | 0.17±0.10 [M/H] | 0.20 [Fe/H] | --- | 0.17±0.07 [Fe/H] | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | 21.107165379866800±0.172337517403243 | 21.641±0.002 | 21.1±0.1 | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | 1.48 | 1 | --- | --- |
|
Age
(Gyr)
|
7.0+6.0-1.6
|
--- | 7.560±2.960 | --- | 4.92±4.11 | --- | --- | --- |
|
M✶
(M⦿)
|
0.92±0.03 |
0.95000000+0.14529700-0.08721340
|
0.960±0.170 | --- | 0.943±0.033 | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- |
4.4901000+0.0765027-0.0765631
|
--- | --- | 4.43±0.04 | --- | --- | --- |
|
Sp. T
|
G8 V | --- | G8 V | --- | K0 V | --- | G8 V | G5 |
|
L✶
(log10(L⦿))
|
-0.203+0.012-0.013
|
-0.1772209+0.0092668-0.0098120
|
-0.090±0.050 |
-0.1760060+0.0014890-0.0014941
|
--- | --- | --- | --- |
|
R✶
(R⦿)
|
--- |
0.9180040+0.0344699-0.0509774
|
1.01±0.07 |
0.92052895+0.02042760-0.03035620
|
--- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
1.7312385+0.3934769-0.3319450
|
--- | --- | --- | --- | --- | --- |
|
CAII LOG RHK
|
-4.96 | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
| Source | Ment et al. 2018 | Li et al. 2021 | Segransan et al. 2010 |
|---|---|---|---|
|
Tp
(days)
|
2463101±45 | 2455905±20 | 2455062±20 |
|
ω
(deg)
|
97.0±11.0 |
46.9+3.9-3.7
|
47.0 +9.9-9.8
|
|
Mp sin i
(M⨁)
|
864±156 |
826.0+28.6-28.0
|
826.32±47.67 |
|
Mp sin i
(MJup)
|
2.72±0.49 |
2.599+0.090-0.088
|
2.60±0.15 |
|
e
|
0.234±0.028 |
0.358+0.028-0.026
|
0.400 +0.061-0.065
|
|
P
(days)
|
1532±12 |
1515+16-17
|
1523 +40-45
|
|
K
(m/s)
|
50.7±2.6 | --- | 52.2±1.8 |
|
a
(au)
|
2.57±0.16 |
2.518+0.032-0.033
|
2.54±0.06 |
|
Mp
(M⨁)
|
--- |
2797+1144-413
|
--- |
|
Mp
(MJup)
|
--- |
8.80+3.60-1.30
|
--- |
|
i
(deg)
|
--- |
19.1+7.9-8.5
|
--- |
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 Confirmed Planets
- 9 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Precise Masses and Orbits for Nine Radial-velocity Exoplanets
Li et al. 2021 | 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 CORALIE survey for southern extrasolar planets. XVI. Discovery of a planetary system around HD 147018 and of two long period and massive planets orbiting HD 171238 and HD 204313
Segransan et al. 2010 | 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 -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs | Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 3
Michigan Catalog, Vol. 3 | 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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