HD 81688 Overview
HD 81688
13.00
R⦿
4753.00
K
HD 81688 b
- Architecture
- HD 81688
- HD 81688
- Other Data
- Bibliography 13
- Exoplanet Archive Notes 1
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| HD 81688 | HD 81688 b | Radial Velocity | 2007 | Sato et al. 2008 | Confirmed Planet |
HD 81688
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- RA
- 09h28m39.98s
- Dec
- +45d36m03.33s
- Distance
- 85.71830±0.78695 pc
- Parallax
- 11.638800±0.106286 mas
- Ecliptic Latitude
- 29.00086 deg
- Ecliptic Longitude
- 129.17943 deg
- Galactic Latitude
- 46.07492 deg
- Galactic Longitude
- 174.22741 deg
- Total Proper Motion
- 129.7872894±0.1304399 mas/yr
- Proper Motion (RA)
- -7.296970±0.139538 mas/yr
- Proper Motion (Dec)
- -129.58200±0.13041 mas/yr
- Photometry
-
mV5.39755±0.02300
-
mTESS4.5458±0.0068
-
mJ3.799±0.294
-
mH3.269±0.218
-
mKs3.056±0.352
-
mW12.213
-
mW22.805±0.449
-
mW33.034±0.014
-
mW42.968±0.022
-
mGaia5.1259800±0.0027257
-
mB6.388±0.017
-
mg10.9213000±0.0039214
-
mi8.7183400±0.0069218
-
mr9.3190600±0.0061369
-
mu13.0932000±0.0039422
-
mz7.8516900±0.0015327
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.26±0.16 dex
-
[C/H] -0.29±0.14 dex
-
[O/H] -0.16±0.14 dex
-
[Na/H] -0.22±0.11 dex
-
[Mg/H] -0.01±0.06 dex
-
[Al/H] -0.05±0.08 dex
-
[Si/H] -0.12±0.05 dex
-
[Ca/H] -0.17±0.06 dex
-
[Y/H] -0.44±0.08 dex
-
[BaII/H] -0.30±0.14 dex
| Source |
Teng et al. 2023 |
TICv8 | Gaia DR2 | Jofré et al. 2015 |
Kunitomo et al. 2011 |
Sato et al. 2008 |
Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
4797 | 4799.96000±5.80163 |
4919.0000+99.0000-50.6665
|
4919±22 | --- | 4753±15 | --- |
|
L✶
(log10(L⦿))
|
1.780+0.095-0.057
|
--- |
1.7555149+0.0047748-0.0048278
|
1.78±0.10 | --- | 1.9 | --- |
|
Metallicity
(dex)
|
-0.32±0.10 [Fe/H] | -0.3013330±0.0154919 [M/H] | --- | 0.20±0.03 [Fe/H] | --- | -0.359±0.020 [Fe/H] | --- |
|
M✶
(M⦿)
|
1.07+0.27-0.16
|
--- | --- | 1.76±0.12 |
1.1 +0.3-0.2
|
2.1 | --- |
|
R✶
(R⦿)
|
11.13+1.58-0.68
|
10.8706 |
10.390978+0.217411-0.405962
|
10.08±0.49 | --- | 13 | --- |
|
log g
(log10(cm/s2))
|
2.37+0.05-0.07
|
--- | --- | 2.86±0.09 | --- | 2.223±0.050 | --- |
|
γ
(km/s)
|
--- | --- | 38.56968383454803±0.13655865999257 | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | 1.21±0.45 | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | 1.48±0.21 | --- | --- | --- |
|
Sp. T
|
K0 III-IV | --- | --- | --- | --- | --- | G5 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Teng et al. 2023 |
Kunitomo et al. 2011 |
Sato et al. 2008 |
|---|---|---|---|
|
Tp
(days)
|
2454354.4+80.2-16.9
|
--- | 2452335.4±1.1 |
|
ω
(deg)
|
-14.40+66.35-62.97
|
--- | 0 |
|
Mp sin i
(M⨁)
|
525.7+17.2-17.5
|
562.5 +95.3-63.6
|
858.1 |
|
Mp sin i
(MJup)
|
1.654+0.054-0.055
|
1.77 +0.3-0.2
|
2.7 |
|
e
|
0.040+0.022-0.031
|
--- | 0 |
|
P
(days)
|
183.93±0.09 | --- | 184.02±0.18 |
|
K
(m/s)
|
56.42+1.87-1.88
|
--- | 58.58±0.97 |
|
a
(au)
|
0.648±0.000 | 0.66±0.05 | 0.81 |
Literature Time Series
(2 File Types, 2 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 111 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 81 | Optical Spectra | Sato et al. 2008 |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
Revisiting Planetary Systems in Okayama Planet Search Program: A new long-period planet, RV astrometry joint analysis, and multiplicity-metallicity trend around evolved stars
Teng et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
Stellar parameters and chemical abundances of 223 evolved stars with and without planets
Jofré et al. 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Planet Engulfment by ~1.5-3 M sun Red Giants
Kunitomo et al. 2011 | Reference Overview -
Planetary Companions around Three Intermediate-Mass G and K Giants: 18 Del, xi Aql, and HD 81688
Sato et al. 2008 | 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 Washington Double Star Catalog (WDS, 1996.0)
WDS 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
- Search
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- Download
