GJ 1214 Overview
GJ 1214
0.22
R⦿
3101.00
K
GJ 1214 b
0.244
RJup
- Other Data
- Bibliography 26
- Exoplanet Archive Notes 3
- Nearby Data 3
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
GJ 1214 | GJ 1214 b | Transit | 2009 | Charbonneau et al. 2009 | Confirmed Planet |
GJ 1214 b
- Equilibrium temperature value drawn from Table 5 corresponding to Bond albedo = 0 in ref. (Kundurthy et al. 2011)
- Orbital eccentricity scaled to 1-sigma. (Charbonneau et al. 2009)
- Values drawn from Table 2, solution "LD Prior" in ref. (Berta et al. 2012)
- RA
- 17h15m19.54s
- Dec
- +04d57m38.45s
- Distance
- 14.6427±0.0372 pc
- Parallax
- 68.265300±0.172281 mas
- Ecliptic Latitude
- 27.91224 deg
- Ecliptic Longitude
- 257.38248 deg
- Galactic Latitude
- 23.60704 deg
- Galactic Longitude
- 26.16217 deg
- Total Proper Motion
- 948.0511007±0.3416955 mas/yr
- Proper Motion (RA)
- 580.447000±0.479398 mas/yr
- Proper Motion (Dec)
- -749.588000±0.221265 mas/yr
- Photometry
-
mV15.1±0.2
-
mTESS11.5810000±0.0074579
-
mJ9.750±0.024
-
mH9.094±0.024
-
mKs8.782±0.020
-
mW1---
-
mW2---
-
mW3---
-
mW4---
-
mIc11.52±0.1
-
mGaia13.008900±0.001061
Source | Yalçınkaya et al. 2024 | Mahajan et al. 2024 | Cloutier et al. 2021 | TICv8 | Gaia DR2 | Gillon et al. 2014 | Narita et al. 2013 | Harpsøe et al. 2013 | Berta et al. 2012 | Bean et al. 2011 | Croll et al. 2011 | Berta et al. 2011 | Carter et al. 2011 | Carter et al. 2011 | Kundurthy et al. 2011 | Sada et al. 2010 | Charbonneau et al. 2009 | Hawley et al. 1996 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Teff
(K)
|
3026±130 | 3101±43 | 3250±100 | 3074.0±157.0 |
3438.0525+437.5080-152.0520
|
3250±100 | 3000 | 3026±150 | 3026 | 3026 | 3000 | --- | --- | 3170±23 |
2949+27-32
|
--- | 3026±130 | --- |
L✶
(log10(L⦿))
|
--- |
-2.41+0.02-0.02
|
-2.3+0.1-0.1
|
-2.4313+0.1024-0.1343
|
--- |
-2.31+0.06-0.06
|
--- | --- | --- | --- | --- | --- | --- | --- |
-2.6+0.1-0.1
|
--- |
-2.484 +0.056-0.064
|
--- |
Metallicity
(dex)
|
--- | 0.24±0.11 [Fe/H] | 0.29±0.12 [Fe/H] | --- | --- | 0.1±0.1 [Fe/H] | --- | 0.39±0.15 [Fe/H] | 0 [M/H] | 0 [M/H] | --- | --- | --- | 0 [Fe/H] | --- | --- | --- | --- |
γ
(km/s)
|
--- | 20.91±0.66 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | -21.1±1.0 | --- |
ρ✶
(g/cm3)
|
--- |
25.41+0.62-0.71
|
25.4+3.5-3.0
|
26.2020447±0.5127087 | --- | 22.89±0.65 | --- | --- | --- | --- | --- | 25.2±1.2 | 24.1±1.7 | 38.4±2.1 |
23.29+0.92-1.55
|
--- | 23.9±2.1 | --- |
M✶
(M⦿)
|
--- |
0.1820+0.0042-0.0041
|
0.178±0.010 | 0.1836070±0.0200799 | --- | 0.176±0.009 | --- | 0.150±0.011 | --- | --- | --- | 0.157±0.019 | 0.157±0.012 | 0.156±0.006 |
0.153+0.010-0.009
|
--- | 0.157±0.019 | --- |
R✶
(R⦿)
|
--- |
0.2162+0.0025-0.0024
|
0.215±0.008 | 0.2145720±0.0064456 | --- | 0.2213±0.0043 | --- | 0.216±0.012 |
0.201+0.004-0.003
|
0.21 | --- |
0.2064 +0.0086-0.0096
|
0.210±0.007 | 0.179±0.006 |
0.210+0.005-0.004
|
0.201+0.010-0.005
|
0.2110±0.0097 | --- |
log g
(log10(cm/s2))
|
--- |
5.0286+0.0078-0.0088
|
5.026±0.040 | 5.038810±0.021587 | --- | 4.994±0.012 | 5.0 | 4.944±0.013 | 5 | 5.0 | 5.0 | --- | 4.99±0.04 | 5.12±0.01 |
4.94+0.22-0.26
|
--- | 4.991±0.029 | --- |
Sp. T
|
--- | --- | M4 V | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | M4.5 |
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | 2.0 | --- | --- | <2.0 | --- |
Age
(Gyr)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | >3 | --- | --- | --- | --- | --- | --- |
Prot
(days)
|
--- | --- |
124.7+5.0-4.8
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Orbital Brightness Modulation, Radial Velocity, Transit
Source | Mahajan et al. 2024 | Yalçınkaya et al. 2024 | Kokori et al. 2023 | Kokori et al. 2022 | Cloutier et al. 2021 | Cáceres et al. 2014 | Gillon et al. 2014 | Kreidberg et al. 2014 | Narita et al. 2013 | Harpsøe et al. 2013 | Berta et al. 2012 | de Mooij et al. 2012 | Bean et al. 2011 | Berta et al. 2011 | Carter et al. 2011 | Carter et al. 2011 | Kundurthy et al. 2011 | Sada et al. 2010 | Charbonneau et al. 2009 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
P
(days)
|
1.580404531+0.000000018-0.000000017
|
1.580404418±0.000000058 | 1.580404571±0.000000042 | 1.58040454±0.00000004 | 1.58040433±0.00000013 | 1.580404938±0.000000090 | 1.58040417±0.00000022 | 1.58040464894 | 1.58040481 | 1.58040456±0.00000016 | --- | 1.580408346 | 1.58040481±0.00000012 | 1.58040490±0.00000033 | 1.58040482±0.00000024 | 1.58040482±0.00000024 | 1.58040487±0.00000067 | 1.5804043±0.0000005 | 1.5803925±0.0000117 |
TC
(days)
|
2459639.7812619+0.0000090-0.0000089
|
2455799.398485±0.000019 | 2455886.320526±0.000023 | 2455881.579310±0.000022 |
2455701.413328+0.000066-0.000059
|
2454934.916934±0.000027 | 2454980.74900±0.00010 | 2454966.52488 | 2454966.525227±0.000067 | 2455320.535733±0.000021 | --- | 2455426.42274 | 2454966.525123±0.000032 | 2454966.525042±0.000065 | 2454980.7487955±0.000045 | 2454980.7487955±0.000045 | --- | 2454964.94390±0.00006 | 2454964.944208±0.000403 |
Teq
(K)
|
567.0±7.6 | --- | --- | --- | 596±19 | --- | 604±19 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
547+7-8
|
--- | 555 |
b
|
0.264+0.020-0.023
|
--- | --- | --- | 0.325±0.025 | --- | 0.385±0.022 | --- | --- | --- |
0.19+0.08-0.11
|
0.27729 | --- |
0.313 +0.046-0.061
|
--- | --- |
0.41+0.04-0.03
|
0.175+0.181-0.175
|
0.354 +0.061-0.082
|
a/R✶
|
14.97+0.12-0.14
|
--- |
15.31+0.21-0.29
|
--- | 14.85±0.16 | 14.9749 | --- | 15.23 | 14.9749 |
14.0+0.8-0.7
|
15.31+0.21-0.29
|
14.9749 | 14.9749 | 14.93±0.24 |
14.71 +0.37-0.33
|
14.71 +0.37-0.33
|
14.54+0.19-0.33
|
--- | 14.66±0.41 |
Mp
(M⨁)
|
8.41+0.36-0.35
|
--- | --- | --- | 8.17±0.43 | --- | --- | --- | --- | 6.26±0.86 | --- | --- | --- | --- | 6.45±0.91 | 6.43±0.86 | 6.37±0.87 | --- | 6.55±0.98 |
Mp
(MJup)
|
0.0265+0.0011-0.0011
|
--- | --- | --- | 0.0257±0.0014 | --- | --- | --- | --- | 0.0197±0.0027 | --- | --- | --- | --- | 0.020±0.003 | 0.020±0.003 | 0.0200±0.0027 | --- | 0.021±0.003 |
e
|
0.00620+0.00790-0.00440
|
--- | --- | --- | <0.063 | 0 | --- | 0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | <0.14 |
i
(deg)
|
88.980+0.094-0.085
|
--- |
89.3+0.4-0.3
|
--- | 88.7±0.1 | 88.94 | --- | 89.1 | 88.94 | 88.17±0.54 |
89.3+0.4-0.3
|
--- | 88.94 |
88.80 +0.25-0.20
|
90 +0.0-1.5
|
90 +0.0-1.5
|
88.39+0.14-0.21
|
--- |
88.62 +0.35-0.28
|
ρ
(g/cm3)
|
2.26±0.11 | --- | --- | --- |
2.20+0.17-0.16
|
--- | --- | --- | --- | 1.49±0.33 | --- | --- | --- | --- | 1.89±0.33 | 3.03±0.50 | 1.68±0.23 | --- | 1.870±0.400 |
Rp
(R⨁)
|
2.733+0.033-0.031
|
--- | --- | --- |
2.742+0.050-0.053
|
--- | --- | --- | --- | 2.85±0.20 | --- | --- | --- | 2.64±0.13 | 2.65±0.09 | 2.27±0.08 |
2.74+0.06-0.05
|
2.61+0.30-0.11
|
2.678±0.13 |
Rp
(RJup)
|
0.2438+0.0029-0.0028
|
--- | --- | --- |
0.2446+0.0045-0.0047
|
--- | --- | --- | --- | 0.254±0.018 | --- | --- | --- | 0.24±0.01 | 0.236±0.008 | 0.203±0.007 |
0.244+0.005-0.004
|
0.233+0.027-0.010
|
0.239±0.012 |
Rp/R✶
|
0.11589±0.00016 | --- | 0.1160±0.0005 | --- | --- | --- | --- | --- | --- | --- | 0.1160±0.0005 | --- | --- | 0.1171±0.0010 | 0.1161±0.0048 | 0.1161±0.0048 |
0.1195+0.0008-0.0004
|
--- | 0.1162±0.00067 |
K
(m/s)
|
14.38+0.57-0.56
|
--- | --- | --- | 14.36±0.53 | --- | --- | --- | --- | 12.2±1.6 | --- | --- | --- | --- | 12.2±1.6 | 12.2±1.6 | --- | --- | 12.2±1.6 |
T14
(hours)
|
0.86966±0.00110 | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.8688±0.0029 | --- | --- | 0.869±0.004 |
0.8788 +0.0082-0.0058
|
0.8788 +0.0082-0.0058
|
--- | --- | --- |
ω
(deg)
|
77.0+7.5-61.0
|
--- | --- | --- | --- | 0 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
a
(au)
|
0.01505±0.00011 | --- | --- | --- | 0.01490±0.00026 | --- | --- | --- | --- | 0.01411±0.00032 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
S
(S⨁)
|
17.2+1.0-0.9
|
--- | --- | --- |
21.0+2.7-2.5
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Tp
(days)
|
2459639.725+0.033-0.270
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Mp sin i
(M⨁)
|
2673+114-111
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Mp sin i
(MJup)
|
8.41+0.36-0.35
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
δ
(%)
|
1.3430+0.0037-0.0038
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
Literature Stellar Spectra
(2 Files)
File Type | Spectrum Type | Wavelength Category | Reference |
---|---|---|---|
Spectra | echelle grating | Infrared | Crossfield et al. 2011 |
Spectra | echelle grating | Infrared | Crossfield et al. 2011 |
Literature Time Series
(1 File Type, 1 File)
File Type | Data Points | Filter | Reference |
---|---|---|---|
Radial Velocity Curve | 27 | Optical Spectra | Charbonneau et al. 2009 |
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
-
Looking for timing variations in the transits of 16 exoplanets
Yalçınkaya et al. 2024 | Reference Overview -
Using JWST Transits and Occultations to Determine ∼1% Stellar Radii and Temperatures of Low-mass Stars
Mahajan et al. 2024 | Reference Overview -
ExoClock Project. III. 450 New Exoplanet Ephemerides from Ground and Space Observations
Kokori et al. 2023 | Reference Overview -
ExoClock Project. II. A Large-scale Integrated Study with 180 Updated Exoplanet Ephemerides
Kokori et al. 2022 | Reference Overview -
A More Precise Mass for GJ 1214 b and the Frequency of Multiplanet Systems Around Mid-M Dwarfs
Cloutier 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 -
Ground-based transit observations of the super-Earth GJ 1214 b
Cáceres et al. 2014 | Reference Overview -
Search for a habitable terrestrial planet transiting the nearby red dwarf GJ 1214
Gillon et al. 2014 | Reference Overview -
Clouds in the atmosphere of the super-Earth exoplanet GJ1214b
Kreidberg et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
IRSF SIRIUS JHKs Simultaneous Transit Photometry of GJ 1214b
Narita et al. 2013 | Reference Overview -
The transiting system GJ1214: high-precision defocused transit observations and a search for evidence of transit timing variation
Harpsøe et al. 2013 | Reference Overview -
The Flat Transmission Spectrum of the Super-Earth GJ1214b from Wide Field Camera 3 on the Hubble Space Telescope
Berta et al. 2012 | Reference Overview -
Optical to near-infrared transit observations of super-Earth GJ 1214b: water-world or mini-Neptune?
de Mooij et al. 2012 | Reference Overview -
The Optical and Near-infrared Transmission Spectrum of the Super-Earth GJ 1214b: Further Evidence for a Metal-rich Atmosphere
Bean et al. 2011 | Reference Overview -
Broadband Transmission Spectroscopy of the Super-Earth GJ 1214b Suggests a Low Mean Molecular Weight Atmosphere
Croll et al. 2011 | Reference Overview -
High-resolution, Differential, Near-infrared Transmission Spectroscopy of GJ 1214b
Crossfield et al. 2011 | Reference Overview -
The GJ1214 Super-Earth System: Stellar Variability, New Transits, and a Search for Additional Planets
Berta et al. 2011 | Reference Overview -
APOSTLE Observations of GJ 1214b: System Parameters and Evidence for Stellar Activity
Kundurthy et al. 2011 | Reference Overview -
The Transit Light Curve Project. XIII. Sixteen Transits of theSuper-Earth GJ 1214b
Carter et al. 2011 | Reference Overview -
Recent Transits of the Super-Earth Exoplanet GJ 1214b
Sada et al. 2010 | Reference Overview -
A super-Earth transiting a nearby low-mass star
Charbonneau et al. 2009 | 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 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