Gl 686 Overview
Gl 686
0.42
R⦿
3689.00
K
Gl 686 b
- Other Data
- Bibliography 16
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| Gl 686 | Gl 686 b | Radial Velocity | 2018 | Affer et al. 2019 | Confirmed Planet |
- RA
- 17h37m54.36s
- Dec
- +18d35m45.42s
- Distance
- 8.15728±0.00232 pc
- Parallax
- 122.5610000±0.0345963 mas
- Ecliptic Latitude
- 41.90034 deg
- Ecliptic Longitude
- 262.95576 deg
- Galactic Latitude
- 24.29465 deg
- Galactic Longitude
- 42.24615 deg
- Total Proper Motion
- 1352.2119149±0.0618683 mas/yr
- Proper Motion (RA)
- 926.741000±0.049916 mas/yr
- Proper Motion (Dec)
- 984.6970000±0.0707893 mas/yr
- Photometry
-
mV9.62±0.10
-
mTESS7.6922400±0.0072709
-
mJ6.360±0.023
-
mH5.79±0.02
-
mKs5.572±0.020
-
mIc7.550±0.025
-
mGaia8.738990±0.000634
-
mB11.010±0.046
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.33±0.08 dex
-
[C/H] 0.11±0.09 dex
-
[O/H] 0.04±0.09 dex
-
[Mg/H] -0.34±0.07 dex
-
[Si/H] -0.59±0.05 dex
| Source | Burt et al. 2021 | TICv8 | Lalitha et al. 2019 | Affer et al. 2019 | Gaia DR2 | Turnbull 2015 | Wright et al. 2004 | Nidever et al. 2002 | Hawley et al. 1996 | Duncan et al. 1991 | Duncan et al. 1991 |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3656±51 | 3675.0±157.0 | 3654±51 | 3663±68 |
3990.8201+103.8147-96.7400
|
3689 | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
-1.530±0.011 |
-1.49312+0.09039-0.11428
|
-1.523+0.010-0.011
|
-1.6+0.1-0.1
|
--- |
-1.523 +0.637-0.368
|
--- | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.426±0.017 | 0.4381230±0.0202609 | 0.426±0.033 | 0.42±0.05 | --- | 0.41 | --- | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.427±0.013 | 0.4421570±0.0131257 | 0.427±0.017 | 0.42±0.05 | --- | 0.42 | --- | --- | --- | --- | --- |
|
Sp. T
|
--- | --- | M1.0 V | M1 | --- | M1 | --- | --- | M1 | --- | --- |
|
Metallicity
(dex)
|
-0.23±0.16 [Fe/H] | --- | -0.22±0.16 [Fe/H] | -0.30±0.09 [Fe/H] | --- | --- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
2.49 | --- | <2 | 1.01±0.80 | --- | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.87±0.07 | 4.788510±0.005694 | 4.88±0.07 | 4.83±0.04 | --- | --- | --- | --- | --- | --- | --- |
|
Prot
(days)
|
38.732±0.286 | --- |
38.4+1.6-1.3
|
--- | --- | --- | --- | --- | --- | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | --- | -10.092475144098101±0.232092790311695 | --- | --- | -9.5 | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | 7.1454931±0.3060352 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
S Index
|
--- | --- | --- | --- | --- | --- | 0.691±0.090 | --- | --- | 1.0651 | 1.0277 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | Burt et al. 2021 | Lalitha et al. 2019 | Affer et al. 2019 |
|---|---|---|---|
|
ω
(deg)
|
197.062±153.673 | --- | --- |
|
Mp sin i
(M⨁)
|
6.624±0.432 |
6.64+0.53-0.54
|
7.1±0.9 |
|
Mp sin i
(MJup)
|
0.02084±0.00136 |
0.0209+0.0017-0.0017
|
0.022±0.003 |
|
e
|
0.050±0.030 |
0.0770+0.0560-0.0580
|
0 |
|
P
(days)
|
15.5300±0.0011 |
15.5314+0.0015-0.0014
|
15.53209+0.00166-0.00167
|
|
K
(m/s)
|
3.004±0.180 |
3.02+0.18-0.20
|
3.29+0.31-0.32
|
|
a
(au)
|
0.091±0.001 |
0.0917+0.0024-0.0023
|
0.091±0.004 |
|
TC
(days)
|
--- |
2450606.8+1.8-2.3
|
--- |
|
Tp
(days)
|
--- | --- |
2457805.69+0.28-0.27
|
|
Teq
(K)
|
--- | --- |
379+24-25
|
Literature Stellar Spectra
(2 Files)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 138 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
A Collage of Small Planets from the Lick-Carnegie Exoplanet Survey: Exploring the Super-Earth and Sub-Neptune Mass Regime
Burt et al. 2021 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
The CARMENES search for exoplanets around M dwarfs. Detection of a mini-Neptune around LSPM J2116+0234 and refinement of orbital parameters of a super-Earth around GJ 686 (BD+18 3421)
Lalitha et al. 2019 | Reference Overview -
HADES RV program with HARPS-N at the TNG. IX. A super-Earth around the M dwarf Gl 686
Affer et al. 2019 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
CPS
California Planet Search -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright 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 -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | 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 Palomar/MSU nearby star spectroscopic survey. II. The southern M dwarfs and investigations of magnetic activity.
Hawley et al. 1996 | Reference Overview -
Photometry of Stars with Large Proper Motion
Weis 1996 | Reference Overview -
CA II H and K measurements made at Mount Wilson Observatory, 1966-1983
Duncan et al. 1991 | Reference Overview
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
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