GJ 3942 Overview
GJ 3942
0.61
R⦿
3867.00
K
GJ 3942 b
GJ 3942 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| GJ 3942 | ||||||
| GJ 3942 b | 6.91 d | > 7.14 M⨁ | Radial Velocity | 2017 | Perger et al. 2017 | Confirmed Planet |
- RA
- 16h09m03.49s
- Dec
- +52d56m38.92s
- Distance
- 16.92870±0.00635 pc
- Parallax
- 59.0421000±0.0218984 mas
- Ecliptic Latitude
- 70.79594 deg
- Ecliptic Longitude
- 211.5032 deg
- Galactic Latitude
- 45.46907 deg
- Galactic Longitude
- 82.20459 deg
- Total Proper Motion
- 213.1474524±0.0453419 mas/yr
- Proper Motion (RA)
- 203.9340000±0.0453876 mas/yr
- Proper Motion (Dec)
- 61.9900000±0.0448444 mas/yr
- Photometry
-
mV10.166±0.035
-
mTESS8.4245700±0.0073587
-
mJ7.185±0.020
-
mH6.525±0.020
-
mKs6.331±0.018
-
mW16.262±0.081
-
mW26.166±0.028
-
mW36.166±0.015
-
mW46.054±0.036
-
mGaia9.40765±0.00050
-
mB11.746±0.053
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.21±0.04 dex
| Source | TICv8 | Gaia DR2 | Perger et al. 2017 | Turnbull 2015 | Hawley et al. 1996 |
|---|---|---|---|---|---|
|
Teff
(K)
|
3795.0±157.0 |
3873.5732+152.4770-73.5732
|
3867±69 | 3758 | --- |
|
L✶
(log10(L⦿))
|
-1.20532+0.08827-0.11090
|
-1.1747396+0.0003516-0.0003519
|
-1.12±0.10 |
-1.155 +0.553-0.196
|
--- |
|
Metallicity
(dex)
|
--- | --- | -0.040±0.090 [Fe/H] | --- | --- |
|
v sin i
(km/s)
|
--- | --- | 1.67±0.30 | --- | --- |
|
M✶
(M⦿)
|
0.5693510±0.0201852 | --- | 0.63±0.07 | 0.50 | --- |
|
R✶
(R⦿)
|
0.5775240±0.0169947 |
0.57419485+0.02244960-0.04266890
|
0.61±0.06 | 0.61 | --- |
|
log g
(log10(cm/s2))
|
4.6703100±0.0101637 | --- | 4.65±0.06 | --- | --- |
|
Sp. T
|
--- | --- | M0 | M0 | M0 |
|
γ
(km/s)
|
--- | -19.372828990371957±0.484978790703370 | --- | --- | --- |
|
ρ✶
(g/cm3)
|
4.1671223±0.2204334 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Perger et al. 2017 |
|---|---|
|
Teq
(K)
|
590 |
|
ω
(deg)
|
112.7±0.1 |
|
Mp sin i
(M⨁)
|
7.14±0.59 |
|
Mp sin i
(MJup)
|
0.0225±0.0019 |
|
e
|
0.121±0.118 |
|
P
(days)
|
6.905±0.040 |
|
K
(m/s)
|
3.29±0.12 |
|
a
(au)
|
0.0608±0.0068 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 116 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 3 SuperWASP Time Series
- 1 Associated Literature Data
-
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
HADES RV Programme with HARPS-N at TNG. VI. GJ 3942 b behind dominant activity signals
Perger et al. 2017 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 -
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 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
- 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
