HD 168746 Overview
HD 168746
1.09
R⦿
5601.00
K
HD 168746 b
- Architecture
- HD 168746
- HD 168746
- Other Data
- Bibliography 21
- Exoplanet Archive Notes 1
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 168746 | HD 168746 b | Radial Velocity | 2002 | Pepe et al. 2002 | Confirmed Planet |
HD 168746
- Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
- RA
- 18h21m49.76s
- Dec
- -11d55m22.71s
- Distance
-
41.5681+0.1000-0.0995pc
- Parallax
- 24.0282000±0.0573033 mas
- Ecliptic Latitude
- 11.41317 deg
- Ecliptic Longitude
- 275.44728 deg
- Galactic Latitude
- 1.03031 deg
- Galactic Longitude
- 18.96358 deg
- Total Proper Motion
- 72.0994498±0.0865776 mas/yr
- Proper Motion (RA)
- -23.0987000±0.0929882 mas/yr
- Proper Motion (Dec)
- -68.2992000±0.0858139 mas/yr
- Photometry
-
mV7.95±0.03
-
mTESS7.3158±0.0060
-
mJ6.679±0.034
-
mH6.329±0.029
-
mKs6.253±0.024
-
mW15.766±0.069
-
mW26.213±0.024
-
mW36.256±0.022
-
mW45.632±0.063
-
mGaia7.771690±0.000427
-
mB8.664±0.027
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.06±0.15 dex
-
[C/H] 0.04±0.20 dex
-
[O/H] 0.02±0.20 dex
-
[Na/H] -0.06±0.22 dex
-
[Mg/H] 0.14±0.11 dex
-
[Al/H] 0.13±0.11 dex
-
[Si/H] 0.02±0.09 dex
-
[Ca/H] 0.06±0.12 dex
-
[Y/H] -0.03±0.16 dex
-
[BaII/H] -0.18±0.12 dex
| Source | Rosenthal et al. 2021 | TICv8 | Gaia DR2 | Stassun et al. 2017 | Ghezzi et al. 2010 | Sousa et al. 2008 | Takeda et al. 2007 | Butler et al. 2006 | Valenti & Fischer 2005 | Wright et al. 2004 | Nordstrom et al. 2004 | Santos et al. 2004 | Nidever et al. 2002 | Pepe et al. 2002 | Michigan Catalog, Vol. 5 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 0.155±0.020 | --- | --- | --- | --- | --- | --- |
|
CAII LOG RHK
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | -5.05 | --- | --- | --- | --- | --- | --- |
|
Teff
(K)
|
5618.8754669850014±59.6926384143250 |
5571.33+158.75-141.23
|
5641.500+74.500-82.175
|
5570±12 | 5625±25 | 5568±17 | --- | 5564 | --- | --- | --- | 5601±33 | --- | 5610±30 | --- | --- |
|
Metallicity
(dex)
|
-0.033977337751900±0.058032748960875 [Fe/H] | -0.09582710±0.00599230 [M/H] | --- | -0.08 [Fe/H] | -0.05±0.02 [Fe/H] | -0.10±0.01 [Fe/H] | --- | 0.078 [Fe/H] | --- | --- | --- | -0.08±0.05 [Fe/H] | --- | -0.060±0.050 [Fe/H] | --- | --- |
|
M✶
(M⦿)
|
0.894853831277000±0.022616081210875 |
0.98000000+0.16802100-0.07994720
|
--- | 1.07±0.06 | 0.950±0.100 | 0.852 |
0.916+0.020-0.016
|
0.93 | --- | --- | --- | 0.88 | --- | 0.88±0.01 | --- | --- |
|
log g
(log10(cm/s2))
|
4.3050928845600005±0.0209693412742000 |
4.3605800+0.0892193-0.0866129
|
--- | 4.39±0.02 | 4.36±0.11 | 4.33±0.03 |
4.38+0.03-0.04
|
4.518 | --- | --- | --- | 4.41±0.12 | --- | 4.50±0.15 | --- | --- |
|
R✶
(R⦿)
|
1.1014576827100±0.0244739259113 |
1.0823200+0.0603030-0.0707623
|
1.0538998+0.0313866-0.0272931
|
1.09±0.02 | 1.01±0.09 | --- |
1.04+0.05-0.04
|
--- | --- | --- | --- | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
0.0072445069+0.0107600641-0.0103689592
|
0.0058717006+0.0013849788-0.0013894097
|
--- | -0.0340±0.0700 |
0.02816+0.01441-0.01491
|
--- | --- | --- | --- | --- | --- | --- | 0.0414 | --- | --- |
|
γ
(km/s)
|
--- | --- | -25.52334457656234±0.13484355238505 | --- | --- | --- | --- | --- | -30.1 | --- | -26.1±0.1 | --- | -25.6 | -25.562±0.001 | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | --- |
8.0+3.0-4.0
|
--- | 12.40 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | --- | --- | 0.0±0.5 | --- | 2 | --- | --- | 1.0 | --- | --- |
|
Sp. T
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | G5 | G5 V | G5 |
|
ρ✶
(g/cm3)
|
--- |
1.0897337+0.3097699-0.2364095
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Stassun et al. 2017 | Rosenthal et al. 2021 | Butler et al. 2006 | Pepe et al. 2002 |
|---|---|---|---|---|
|
Tp
(days)
|
--- | --- | 2451757.83±0.47 | 2451994.7±0.4 |
|
ω
(deg)
|
--- |
62.5+15.0-22.0
|
17 | 16.30±20.88 |
|
Mp sin i
(M⨁)
|
86±6 |
72.91+2.45-2.38
|
78.819±7.310 | 73 |
|
Mp sin i
(MJup)
|
0.27±0.02 |
0.2294+0.0077-0.0075
|
0.248±0.023 | 0.23 |
|
e
|
0.11±0.08 | 0.0980±0.0260 | 0.107±0.080 | 0.081±0.029 |
|
P
(days)
|
6.40400±0.00140 |
6.40450+0.00010-0.00011
|
6.4040±0.0014 | 6.403±0.001 |
|
K
(m/s)
|
28.6±1.7 |
27.17+0.82-0.76
|
28.6±1.7 | 27±1 |
|
a
(au)
|
0.070±0.000 | 0.06504±0.00055 | 0.0659±0.0038 | 0.065 |
|
Teq
(K)
|
--- | --- | --- | 900 |
|
TC
(days)
|
--- | 2454986.880±0.061 | --- | --- |
Literature Time Series
(2 File Types, 3 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 65 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 16 | Optical Spectra | Butler et al. 2006 |
| Radial Velocity Curve | 154 | Optical Spectra | Pepe et al. 2002 |
- Known Objects
- 1 Confirmed Planets
- 17 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal 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 -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 | Reference Overview -
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
Sousa et al. 2008 | Reference Overview -
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 | Reference Overview -
Catalog of Nearby Exoplanets
Butler et al. 2006 | Reference Overview -
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 | 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 -
Spectroscopic [Fe/H] for 98 extra-solar planet-host stars. Exploring the probability of planet formation
Santos et al. 2004 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Radial Velocities of 889 late-type stars
Nidever et al. 2002 | Reference Overview -
The CORALIE survey for southern extra-solar planets VII. Two short-period Saturnian companions to HD 108147 and HD 168746
Pepe et al. 2002 | 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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