GJ 422 Overview
GJ 422
0.38
R⦿
3419.00
K
GJ 422 b
- Other Data
- Bibliography 12
- Nearby Data 4
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 422 | GJ 422 b | Radial Velocity | 2014 | Tuomi et al. 2014 | Confirmed Planet |
- RA
- 11h15m55.45s
- Dec
- -57d32m33.23s
- Distance
-
12.6631+0.0072-0.0073pc
- Parallax
- 78.9409000±0.0448214 mas
- Ecliptic Latitude
- -54.5839 deg
- Ecliptic Longitude
- 204.63149 deg
- Galactic Latitude
- 2.98047 deg
- Galactic Longitude
- 290.36745 deg
- Total Proper Motion
- 2737.7064120±0.0801733 mas/yr
- Proper Motion (RA)
- -2468.4800000±0.0781543 mas/yr
- Proper Motion (Dec)
- 1183.9100000±0.0884164 mas/yr
- Photometry
-
mV11.66±0.10
-
mTESS9.2885800±0.0073001
-
mJ7.811±0.020
-
mH7.304±0.053
-
mKs7.035±0.031
-
mIc---
-
mGaia10.477100±0.000603
-
mB---
| Source |
Feng et al. 2020 |
TICv8 | Gaia DR2 | Turnbull 2015 |
Tuomi et al. 2014 |
Hawley et al. 1996 | Nesterov et al. 1995 |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
--- | 3428.0±157.0 |
3816.0+265.7-212.9
|
3419 | 3323 | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-1.76797+0.09568-0.12290
|
--- |
-1.699 +0.845-0.699
|
-2.0 | --- | --- |
|
M✶
(M⦿)
|
0.35 | 0.3576460±0.0205534 | --- | 0.36 | 0.35 | --- | --- |
|
R✶
(R⦿)
|
--- | 0.3703280±0.0114687 | --- | 0.38 | --- | --- | --- |
|
Sp. T
|
--- | --- | --- | M | M3.5 V | M3.5 | A0 |
|
ρ✶
(g/cm3)
|
--- | 9.92794040±0.35149510 | --- | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
--- | 4.8543500±0.0019222 | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source |
Feng et al. 2020 |
Tuomi et al. 2014 |
|---|---|---|
|
ω
(deg)
|
265±18 | 250 |
|
Mp sin i
(M⨁)
|
11.07±1.12 |
9.90+5.60-4.00
|
|
Mp sin i
(MJup)
|
0.03483±0.00352 |
0.0311+0.0176-0.0126
|
|
e
|
0.11±0.04 |
0.050+0.210-0.050
|
|
P
(days)
|
20.129±0.005 |
26.161+0.082-0.098
|
|
K
(m/s)
|
4.47±0.34 |
4.49+1.96-1.79
|
|
a
(au)
|
0.111±0.004 |
0.119+0.014-0.011
|
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 113 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 18 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
-
Search for Nearby Earth Analogs. II. Detection of Five New Planets, Eight Planet Candidates, and Confirmation of Three Planets around Nine Nearby M Dwarfs
Feng et al. 2020 | 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 -
Bayesian search for low-mass planets around nearby M dwarfs - estimates for occurrence rate based on global detectability statistics
Tuomi et al. 2014 | Reference Overview -
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source 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 -
The Henry Draper Extension Charts: A catalogue of accurate positions, proper motions, magnitudes and spectral types of 86933 stars
Nesterov et al. 1995 | Reference Overview -
UBV(RI)_c photometry of faint nearby stars
Laing 1989 | Reference Overview -
LHS catalogue. A catalogue of stars with proper motions exceeding 0.5 arcsec annually
Luyten 1979 | 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
- Browse
- Download
