GJ 414 Overview
GJ 414 A
0.72
R⦿
4085.00
K
GJ 414 A b
0.235
RJup
GJ 414 A c
0.749
RJup
GJ 414 B
0.55
R⦿
3860.00
K
- Other Data
- Bibliography 20
- Exoplanet Archive Notes 5
- GJ 414 A Nearby Data 5
- GJ 414 B Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 414 A | GJ 414 A b | Radial Velocity | 2021 | Dedrick et al. 2021 | Confirmed Planet |
| GJ 414 A | GJ 414 A c | Radial Velocity | 2021 | Dedrick et al. 2021 | Confirmed Planet |
GJ 414
- This reference contains discussion regarding the stellar multiplicity of this system. (Dedrick et al. 2021)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Some stellar parameter values may be biased due to companion blend (WDS Catalog)
- Typo in semi-major axis in Table 3. See literature discrepancies page. (Dedrick et al. 2021)
- Typo in semi-major axis in Table 3. See literature discrepancies page. (Dedrick et al. 2021)
- RA
- 11h11m05.88s
- Dec
- +30d26m42.61s
- Distance
- 11.8893±0.0067 pc
- Parallax
- 84.0803000±0.0470722 mas
- Ecliptic Latitude
- 23.09657 deg
- Ecliptic Longitude
- 156.34585 deg
- Galactic Latitude
- 67.81292 deg
- Galactic Longitude
- 198.37152 deg
- Total Proper Motion
- 623.6368895±0.0822184 mas/yr
- Proper Motion (RA)
- 591.622000±0.081171 mas/yr
- Proper Motion (Dec)
- -197.2470000±0.0911013 mas/yr
- Photometry
-
mV8.31±0.03
-
mTESS6.9190±0.0061
-
mJ5.764±0.020
-
mH5.13±0.02
-
mKs4.979±0.018
-
mW14.853±0.253
-
mW24.661±0.109
-
mW34.940±0.016
-
mW44.881±0.028
-
mIc---
-
mGaia7.728080±0.000672
-
mB9.690±0.029
-
mg---
-
mi---
-
mr---
-
mu---
-
mz---
| Source |
Rosenthal et al. 2021 |
Dedrick et al. 2021 |
TICv8 | Gaia DR2 | Turnbull 2015 | Wright et al. 2004 | Nordstrom et al. 2004 | Gray et al. 2003 | Nidever et al. 2002 |
|---|---|---|---|---|---|---|---|---|---|
|
S Index
|
--- | --- | --- | --- | --- | 1.192±0.155 | --- | --- | --- |
|
Teff
(K)
|
4205.92670223000±39.60396866415 | 4120±109 |
4060.000+143.785-116.191
|
4135.71+104.29-114.90
|
4085 | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-0.924+0.045-0.050
|
-0.8629195+0.0243363-0.0410149
|
-0.882649+0.000434-0.000431
|
-0.886 +0.187-0.336
|
--- | --- | --- | --- |
|
M✶
(M⦿)
|
0.6947212437190001±0.0147657181092000 | 0.650±0.080 |
0.6400000+0.0847913-0.0847610
|
--- | 0.59 | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.669922299085000±0.008087421441815 | 0.680±0.140 |
0.7484120+0.0611653-0.0881161
|
0.705064+0.040872-0.034258
|
0.72 | --- | --- | --- | --- |
|
Sp. T
|
--- | K7 V | --- | --- | K8V | --- | --- | K7 V | --- |
|
γ
(km/s)
|
--- | --- | --- | -16.312224825800±0.210172309611 | --- | --- | -17.2±0.1 | --- | -16.4 |
|
Metallicity
(dex)
|
0.2433954045780000±0.0722676256019000 [Fe/H] | 0.24±0.10 [Fe/H] | --- | --- | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
--- | 12.4±5.2 | --- | --- | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.62493784406000±0.01197293396835 | 4.65±0.04 |
4.495970+0.128484-0.107676
|
--- | --- | --- | --- | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | 3 | --- | --- |
|
ρ✶
(g/cm3)
|
--- | --- |
2.1523959+0.8234076-0.7204086
|
--- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Dedrick et al. 2021 |
Rosenthal et al. 2021 |
|---|---|---|
|
Tp
(days)
|
2454203.07+13.06-6.61
|
--- |
|
Teq
(K)
|
308.6±33.5 | --- |
|
ω
(deg)
|
111+36-52
|
-49+44-20
|
|
Mp sin i
(M⨁)
|
7.600+2.440-2.190
|
10.2+1.3-1.2
|
|
Mp sin i
(MJup)
|
0.02391+0.00768-0.00689
|
0.0322+0.0042-0.0038
|
|
e
|
0.45+0.19-0.22
|
0.28±0.13 |
|
P
(days)
|
50.80+0.10-0.26
|
51.625+0.038-0.037
|
|
Rp
(R⨁)
|
2.63+1.22-0.85
|
--- |
|
Rp
(RJup)
|
0.235+0.109-0.076
|
--- |
|
K
(m/s)
|
2.05+0.62-0.58
|
2.36+0.34-0.30
|
|
a
(au)
|
0.2324+0.0092-0.0099
|
0.2403±0.0017 |
|
TC
(days)
|
--- |
2455179.9+2.1-2.3
|
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Dedrick et al. 2021 |
Rosenthal et al. 2021 |
|---|---|---|
|
Tp
(days)
|
2454210.36+18.31-26.44
|
--- |
|
Teq
(K)
|
124.7±13.5 | --- |
|
ω
(deg)
|
74.0+74.0-200.0
|
20+17-20
|
|
Mp sin i
(M⨁)
|
53.83+9.18-8.58
|
58.5+3.2-3.5
|
|
Mp sin i
(MJup)
|
0.1694+0.0289-0.0270
|
0.184+0.010-0.011
|
|
e
|
0.105+0.110-0.703
|
0.185+0.069-0.073
|
|
P
(days)
|
749.83+4.35-3.63
|
744.7+3.9-3.5
|
|
Rp
(R⨁)
|
8.40+3.60-2.50
|
--- |
|
Rp
(RJup)
|
0.749+0.321-0.223
|
--- |
|
K
(m/s)
|
5.14+0.74-0.72
|
5.36+0.29-0.32
|
|
a
(au)
|
1.400+0.055-0.060
|
1.424±0.011 |
|
TC
(days)
|
--- | 2457228±18 |
- RA
- 11h11m03.26s
- Dec
- +30d26m38.12s
- Distance
- 11.87280±0.00825 pc
- Parallax
- 84.1971000±0.0579164 mas
- Ecliptic Latitude
- 23.09147 deg
- Ecliptic Longitude
- 156.33715 deg
- Galactic Latitude
- 67.80357 deg
- Galactic Longitude
- 198.37582 deg
- Total Proper Motion
- 639.0921983±0.0800129 mas/yr
- Proper Motion (RA)
- 604.8310000±0.0805652 mas/yr
- Proper Motion (Dec)
- -206.4420000±0.0751049 mas/yr
- Photometry
-
mV10.82±0.20
-
mTESS7.9686300±0.0075463
-
mJ6.592±0.019
-
mH5.975±0.018
-
mKs5.734±0.020
-
mW15.729±0.052
-
mW25.425±0.023
-
mW35.550±0.013
-
mW45.442±0.037
-
mIc---
-
mGaia9.047080±0.001123
-
mB12.457±0.304
-
mg14.0347000±0.0085369
-
mi12.445000±0.008407
-
mr13.7025000±0.0091139
-
mu14.920600±0.006496
-
mz11.6561000±0.0096093
| Source | Dedrick et al. 2021 | TICv8 | Gaia DR2 | Hawley et al. 1996 |
|---|---|---|---|---|
|
Teff
(K)
|
3663±70 | 3606.0±157.0 |
3860.0+123.9-277.0
|
--- |
|
γ
(km/s)
|
--- | --- | -16.11092680250±0.36472173831 | --- |
|
L✶
(log10(L⦿))
|
-1.3+0.0-0.0
|
-1.34087+0.09148-0.11604
|
--- | --- |
|
Metallicity
(dex)
|
0.080±0.090 [Fe/H] | --- | --- | --- |
|
Age
(Gyr)
|
11.2±5.9 | --- | --- | --- |
|
M✶
(M⦿)
|
0.542±0.022 | 0.5427530±0.0202415 | --- | --- |
|
R✶
(R⦿)
|
0.548±0.017 | 0.5472260±0.0161861 | --- | --- |
|
Sp. T
|
M2 V | --- | --- | M1.5 |
|
ρ✶
(g/cm3)
|
--- | 4.6694716±0.2404980 | --- | --- |
|
log g
(log10(cm/s2))
|
--- | 4.6963400±0.0094949 | --- | --- |
Literature Stellar Spectra
(2 Files)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | Infrared | Lawler et al. 2009 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 89 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 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 -
Two Planets Straddling the Habitable Zone of the Nearby K Dwarf Gl 414A
Dedrick 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 -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
Explorations Beyond the Snow Line: Spitzer/IRS Spectra of Debris Disks Around Solar-Type Stars
Lawler et al. 2009 | Reference Overview -
CPS
California Planet Search -
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 -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Northern Sample I
Gray et al. 2003 | 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 -
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 | 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 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
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
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- Time Series
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