GJ 1148 Overview
GJ 1148
0.40
R⦿
3698.49
K
GJ 1148 b
GJ 1148 c
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| GJ 1148 | GJ 1148 b | 41.38 d | > 96.7 M⨁ | Radial Velocity | 2010 | Haghighipour et al. 2010 | Confirmed Planet |
| GJ 1148 | GJ 1148 c | 532.58 d | > 68.06 M⨁ | Radial Velocity | 2017 | Trifonov et al. 2018 | Confirmed Planet |
- RA
- 11h41m43.83s
- Dec
- +42d45m05.71s
- Distance
-
11.0143+0.0064-0.0065pc
- Parallax
- 90.7623000±0.0527079 mas
- Ecliptic Latitude
- 36.83744 deg
- Ecliptic Longitude
- 156.14176 deg
- Galactic Latitude
- 68.91636 deg
- Galactic Longitude
- 160.61794 deg
- Total Proper Motion
- 582.6429082±0.0663192 mas/yr
- Proper Motion (RA)
- -575.6540000±0.0662138 mas/yr
- Proper Motion (Dec)
- -89.9735000±0.0704988 mas/yr
- Photometry
-
mV11.939±0.048
-
mTESS9.2957300±0.0074084
-
mJ7.608±0.018
-
mH7.069±0.023
-
mKs6.822±0.016
-
mW16.672±0.078
-
mW26.443±0.024
-
mW36.446±0.015
-
mW46.254±0.047
-
mIc9.180±0.025
-
mGaia10.576900±0.000593
-
mB13.343±0.107
-
mg13.0181000±0.0012658
-
mi9.9557600±0.0004924
-
mr11.3972000±0.0005751
-
mu15.8989000±0.0075382
-
mz10.3189000±0.0018118
-
Abundances
(Hypatia Catalog) -
[Fe/H] 0.05±0.12 dex
-
[C/H] 0.30±0.09 dex
-
[O/H] -0.09±0.09 dex
-
[Na/H] 0.15±0.04 dex
-
[Mg/H] 0.14±0.34 dex
-
[Al/H] 0.29±0.06 dex
-
[Si/H] 0.00±0.08 dex
-
[Ca/H] -0.07±0.06 dex
| Source | Rosenthal et al. 2021 | TICv8 | Gaia DR2 | Turnbull 2015 | Nidever et al. 2002 | Hawley et al. 1996 |
|---|---|---|---|---|---|---|
|
Teff
(K)
|
3357.5685551400002±48.4128781224000 | 3287.0±157.0 |
3698.4927+231.3950-321.4930
|
3264 | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-1.86908+0.09740-0.12576
|
--- |
-1.699 +0.845-0.699
|
--- | --- |
|
M✶
(M⦿)
|
0.37358535265200±0.00914700520811 | 0.344045±0.020144 | --- | 0.35 | --- | --- |
|
R✶
(R⦿)
|
0.36663951471300±0.00772439109891 | 0.3585190±0.0105687 | --- | 0.40 | --- | --- |
|
Sp. T
|
--- | --- | --- | M5 | --- | M4 |
|
γ
(km/s)
|
--- | --- | --- | --- | -9.1 | --- |
|
ρ✶
(g/cm3)
|
--- | 10.5255376±0.3140459 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.8802255780000001±0.0104815215341000 | 4.8656600±0.0003681 | --- | --- | --- | --- |
|
Metallicity
(dex)
|
0.1595551008090±0.0657358416862 [Fe/H] | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Trifonov et al. 2018 | Rosenthal et al. 2021 | Haghighipour et al. 2010 |
|---|---|---|---|
|
ω
(deg)
|
258.1+2.0-1.8
|
81.90+5.00-160.00
|
238.1±23.2 |
|
Mp sin i
(M⨁)
|
96.70+1.41-1.02
|
108±4 | 94.7094±7.94542 |
|
Mp sin i
(MJup)
|
0.3043+0.0044-0.0032
|
0.339±0.014 | 0.298±0.025 |
|
e
|
0.380+0.010-0.012
|
0.366+0.027-0.028
|
0.314±0.086 |
|
P
(days)
|
41.380+0.002-0.001
|
41.375+0.011-0.010
|
41.397±0.016 |
|
a
(au)
|
0.166±0.001 | 0.1686±0.0014 | 0.163506±0.000042 |
|
K
(m/s)
|
38.37+0.59-0.49
|
41.3±1.5 | --- |
|
TC
(days)
|
--- |
2454796.92+0.89-0.85
(BJD)
|
--- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Trifonov et al. 2018 | Rosenthal et al. 2021 |
|---|---|---|
|
ω
(deg)
|
210.4+12.0-9.1
|
16+23-22
|
|
Mp sin i
(M⨁)
|
68.06+4.91-2.19
|
82.6+9.5-9.2
|
|
Mp sin i
(MJup)
|
0.2141+0.0154-0.0069
|
0.260+0.030-0.029
|
|
e
|
0.342+0.050-0.062
|
0.27+0.14-0.17
|
|
P
(days)
|
532.58+4.14-2.52
|
535.9+4.0-3.3
|
|
K
(m/s)
|
11.34+0.79-0.36
|
13.1+1.8-1.6
|
|
a
(au)
|
0.912+0.005-0.002
|
0.9302+0.0090-0.0088
|
|
TC
(days)
|
--- |
2454769+29-40
(BJD)
|
Literature Time Series
(2 File Types, 2 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 169 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 37 | Optical Spectra | Haghighipour et al. 2010 |
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 HATNet 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 -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
Gaia Data Release 2
Gaia DR2 | Reference Overview -
The CARMENES search for exoplanets around M dwarfs . First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems
Trifonov et al. 2018 | 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 -
The Lick-Carnegie Exoplanet Survey: A Saturn-Mass Planet in theHabitable Zone of the Nearby M4V Star HIP 57050
Haghighipour et al. 2010 | 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 -
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
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
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