GJ 238 Overview
GJ 238
0.43
R⦿
3445.00
K
GJ 238 b
0.050
RJup
- Other Data
- Bibliography 9
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 238 | GJ 238 b | Transit | 2024 | Tey et al. 2024 | Confirmed Planet |
- RA
- 06h33m49.17s
- Dec
- -58d31m30.11s
- Distance
-
15.2142+0.0071-0.0072pc
- Parallax
- 65.6992000±0.0305741 mas
- Ecliptic Latitude
- -81.08673 deg
- Ecliptic Longitude
- 119.69723 deg
- Galactic Latitude
- -25.12418 deg
- Galactic Longitude
- 267.83346 deg
- Total Proper Motion
- 892.6796479±0.0682143 mas/yr
- Proper Motion (RA)
- -404.3510000±0.0689181 mas/yr
- Proper Motion (Dec)
- 795.8500000±0.0680314 mas/yr
- Photometry
-
mV11.62±0.10
-
mTESS9.3685400±0.0073252
-
mJ7.898±0.023
-
mH7.312±0.034
-
mKs7.030±0.023
-
mIc9.200±0.010
-
mGaia10.529400±0.000463
-
mB12.872±0.289
| Source | Tey et al. 2024 | TICv8 | Turnbull 2015 | Hawley et al. 1996 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3485±140 | 3470.0±157.0 | 3433 | --- | 3445±87 | ||
|
R✶
(R⦿)
|
0.4314+0.0075-0.0071
|
0.4266760±0.0127833 | 0.49 | --- | 0.43±0.01 | ||
|
log g
(log10(cm/s2))
|
--- | 4.8024000±0.0050429 | --- | --- | 4.852430±0.061474 | ||
|
L✶
(log10(L⦿))
|
-1.62+0.05-0.05
|
-1.62379+0.09418-0.12043
|
-1.523 +0.699-0.477
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
--- | 7.645375±0.318050 | --- | --- | --- | ||
|
M✶
(M⦿)
|
0.4193+0.0095-0.0098
|
0.4212380±0.0203412 | 0.41 | --- | --- | ||
|
Metallicity
(dex)
|
0.15±0.10 [Fe/H] | --- | --- | --- | --- | ||
|
Sp. T
|
M2.5 V | --- | M | M2.5 | --- | ||
|
Prot
(days)
|
44±2 | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Tey et al. 2024 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
Teq
(K)
|
758+16-15
|
896 | ||
|
b
|
0.202+0.075-0.072
|
--- | ||
|
i
(deg)
|
89.99+0.80-0.79
|
--- | ||
|
P
(days)
|
1.7446999+0.0000019-0.0000018
|
1.7447031±0.0000030 | ||
|
Rp
(R⨁)
|
0.566±0.014 | 0.5918150±0.0344566 | ||
|
Rp
(RJup)
|
0.0505±0.0012 | 0.05279829±0.00307402 | ||
|
Rp/R✶
|
0.01204±0.00023 | --- | ||
|
a
(au)
|
0.02123+0.00016-0.00017
|
--- | ||
|
T14
(hours)
|
1.239±0.018 | 1.066±0.320 | ||
|
TC
(days)
|
2458326.98222+0.00064-0.00070
|
2460204.2818970±0.0018266 | ||
|
S
(S⨁)
|
--- | 107.262 | ||
|
δ
(%)
|
--- | 0.01600000±0.00158749 |
Literature Time Series
(1 File Type, 1 File)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 106 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 Associated Literature Data
-
GJ 238 b: A 0.57 Earth Radius Planet Orbiting an M2.5 Dwarf Star at 15.2 pc
Tey et al. 2024 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI -
ExoCat-1: The Nearby Stellar Systems Catalog for Exoplanet Imaging Missions
Turnbull 2015 | Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog | Reference Overview -
Revised Coordinates and Proper Motions of the Stars in the Luyten Half-Second Catalog
Bakos et al. 2002 | 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 -
UBV(RI)_c photometry of faint nearby stars
Laing 1989 | 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
