GJ 581 Overview
GJ 581
0.32
R⦿
3490.39
K
GJ 581 e
GJ 581 b
GJ 581 c
- Other Data
- Bibliography 22
- Nearby Data 5
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| GJ 581 | GJ 581 e | Radial Velocity | 2009 | Mayor et al. 2009 | Confirmed Planet |
| GJ 581 | GJ 581 b | Radial Velocity | 2005 | Bonfils et al. 2005 | Confirmed Planet |
| GJ 581 | GJ 581 c | Radial Velocity | 2007 | Udry et al. 2007 | Confirmed Planet |
- RA
- 15h19m25.55s
- Dec
- -07d43m21.70s
- Distance
- 6.298100±0.002095 pc
- Parallax
- 158.7490000±0.0523245 mas
- Ecliptic Latitude
- 10.25477 deg
- Ecliptic Longitude
- 229.51271 deg
- Galactic Latitude
- 40.02208 deg
- Galactic Longitude
- 354.07234 deg
- Total Proper Motion
- 1225.3257121±0.0931385 mas/yr
- Proper Motion (RA)
- -1221.470000±0.093221 mas/yr
- Proper Motion (Dec)
- -97.1295000±0.0790061 mas/yr
- Photometry
-
mV10.57±0.10
-
mTESS8.2023800±0.0075119
-
mJ6.706±0.026
-
mH6.095±0.033
-
mKs5.837±0.023
-
mW15.743±0.094
-
mW25.420±0.028
-
mW35.478±0.014
-
mW45.350±0.038
-
mIc8.030±0.008
-
mGaia9.411000±0.001197
-
mB11.761±0.174
-
Abundances
(Hypatia Catalog) -
[Fe/H] -0.04±0.04 dex
-
[C/H] 0.05±0.09 dex
-
[O/H] 0.01±0.09 dex
-
[Mg/H] -0.04±0.07 dex
-
[Si/H] -0.17±0.05 dex
| Source | von Stauffenberg et al. 2024 | Rosenthal et al. 2021 | TICv8 | Gaia DR2 | Turnbull 2015 | Vogt et al. 2010 | Mayor et al. 2009 | Bonfils et al. 2005 | Wright et al. 2004 | Nidever et al. 2002 | Hawley et al. 1996 | Henry et al. 1994 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
3500±26 | 3490.38576532000±42.51060261295 | 3396.0±157.0 |
3660.255+293.065-179.750
|
3375 | --- | --- | --- | --- | --- | --- | --- |
|
Metallicity
(dex)
|
-0.080±0.070 [Fe/H] | -0.08813656588700000±0.07399858103365001 [Fe/H] | --- | --- | --- | --- | --- | -0.25 [Fe/H] | --- | --- | --- | --- |
|
M✶
(M⦿)
|
0.295±0.010 | 0.318714118173000±0.010054831054505 | 0.3107470±0.0202617 | --- | 0.33 | 0.31±0.02 | --- | 0.31±0.02 | --- | --- | --- | --- |
|
R✶
(R⦿)
|
0.302±0.005 | 0.31525372207400004±0.00732874517185000 | 0.3297020±0.0099343 | --- | 0.34 | 0.29 | --- | 0.29 | --- | --- | --- | --- |
|
log g
(log10(cm/s2))
|
4.97±0.11 | 4.94239662973000±0.01280471614215 | 4.8942300±0.0021782 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
L✶
(log10(L⦿))
|
-1.9078+0.0024-0.0024
|
--- |
-1.88519+0.09570-0.12293
|
--- |
-2.000 +1.000-0.903
|
-1.9 | --- | -1.886 | --- | --- | --- | --- |
|
γ
(km/s)
|
9.75±0.16 | --- | --- | --- | --- | --- | -9.2082±0.0002 | -9.212±0.001 | --- | -9.4 | --- | --- |
|
v sin i
(km/s)
|
<2.0 | --- | --- | --- | --- | --- | --- | <2.1 | --- | --- | --- | --- |
|
CAII LOG RHK
|
-5.48+0.17-0.12
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
Sp. T
|
M3.0 V | --- | --- | --- | M3.0V | M3 V | --- | M3 V | --- | --- | M3 | M2.5 V |
|
Prot
(days)
|
132.5±6.3 | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
|
S Index
|
--- | --- | --- | --- | --- | --- | --- | --- | 0.528±0.069 | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | --- | --- | 4.3 | --- | >2 | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- | --- | 12.2238425±0.3069178 | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | von Stauffenberg et al. 2024 | Trifonov et al. 2018 | Robertson et al. 2014 | Vogt et al. 2010 | Mayor et al. 2009 |
|---|---|---|---|---|---|
|
ω
(deg)
|
226+91-55
|
77.40+23.00-43.60
|
--- | --- | 0 |
|
Mp
(M⨁)
|
2.48+0.70-0.42
|
--- | --- | --- | --- |
|
Mp
(MJup)
|
0.00780+0.00220-0.00132
|
--- | --- | --- | --- |
|
e
|
0.012+0.015-0.008
|
0.125+0.078-0.015
|
0.00±0.06 | 0 | 0 |
|
i
(deg)
|
47+15-13
|
--- | --- | --- | --- |
|
P
(days)
|
3.1481±0.0004 |
3.153+0.001-0.006
|
3.1490±0.0002 | 3.14867±0.00039 | 3.14942±0.00045 |
|
K
(m/s)
|
1.8±0.1 |
1.55+0.22-0.13
|
1.7±0.2 | 1.66±0.19 | 1.85±0.23 |
|
a
(au)
|
0.02799±0.00030 | 0.029±0.001 | 0.02815±0.00006 | 0.0284533±0.0000023 | 0.03 |
|
Tp
(days)
|
--- | --- | 2454752.33±0.05 | --- | 2454716.80±0.01 |
|
Mp sin i
(M⨁)
|
--- |
1.657+0.240-0.161
|
1.7±0.2 | 1.7±0.2 | 1.94 |
|
Mp sin i
(MJup)
|
--- |
0.005213+0.000755-0.000507
|
0.0053±0.0006 | 0.0053±0.0006 | 0.006 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | von Stauffenberg et al. 2024 | Rosenthal et al. 2021 | Trifonov et al. 2018 | Robertson et al. 2014 | Vogt et al. 2010 | Mayor et al. 2009 | Bonfils et al. 2005 |
|---|---|---|---|---|---|---|---|
|
ω
(deg)
|
54+13-14
|
9.20+54.00-69.00
|
118.3+27.4-22.9
|
--- | --- | 0 | --- |
|
Mp
(M⨁)
|
20.5+6.2-3.5
|
--- | --- | --- | --- | --- | --- |
|
Mp
(MJup)
|
0.0645+0.0195-0.0110
|
--- | --- | --- | --- | --- | --- |
|
e
|
0.0342+0.0090-0.0100
|
0.020+0.022-0.014
|
0.022+0.027-0.005
|
0.00±0.03 | 0 | 0 | 0 |
|
i
(deg)
|
47+15-13
|
--- | --- | --- | --- | --- | --- |
|
P
(days)
|
5.3686±0.0001 | 5.36879±0.00015 | 5.368±0.001 | 5.3686±0.0001 | 5.36841±0.00026 | 5.36874±0.00019 | 5.366±0.001 |
|
K
(m/s)
|
12.3±0.1 | 12.71±0.40 |
12.35+0.18-0.20
|
12.6±0.2 | 12.45±0.21 | 12.48±0.23 | 13.2±0.4 |
|
a
(au)
|
0.0399±0.0005 |
0.04099+0.00042-0.00044
|
0.041±0.001 | 0.04061±0.00003 | 0.0406163±0.0000013 | 0.04 | 0.041 |
|
Mp sin i
(M⨁)
|
--- | 16.2±0.6 |
15.20+0.22-0.27
|
15.8±0.3 | 15.6±0.3 | 15.65 | 16.6 |
|
Mp sin i
(MJup)
|
--- | 0.0511±0.0019 |
0.04782+0.00069-0.00085
|
0.0497±0.0009 | 0.0491±0.0009 | 0.049 | 0.0522 |
|
TC
(days)
|
--- |
2454724.631+0.043-0.040
|
--- | --- | --- | --- | --- |
|
Tp
(days)
|
--- | --- | --- | 2454751.76±0.01 | --- | 2454712.62±0.02 | 2451004.30±0.06 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
| Source | von Stauffenberg et al. 2024 | Rosenthal et al. 2021 | Trifonov et al. 2018 | Robertson et al. 2014 | Vogt et al. 2010 | Mayor et al. 2009 |
|---|---|---|---|---|---|---|
|
ω
(deg)
|
16.0+61.0-89.0
|
-10+69-50
|
148.7+71.5-33.0
|
--- | --- | -110±25 |
|
Mp
(M⨁)
|
6.81+0.21-1.16
|
--- | --- | --- | --- | --- |
|
Mp
(MJup)
|
0.0214+0.0007-0.0036
|
--- | --- | --- | --- | --- |
|
e
|
0.032+0.027-0.021
|
0.120+0.120-0.084
|
0.0870+0.1500-0.0160
|
0.00±0.06 | 0 | 0.17±0.07 |
|
i
(deg)
|
47.0+15.0-89.0
|
--- | --- | --- | --- | --- |
|
P
(days)
|
12.9211+0.0008-0.0007
|
12.9144+0.0045-0.0048
|
12.919+0.003-0.002
|
12.914±0.002 | 12.9191±0.0058 | 12.9292±0.0047 |
|
K
(m/s)
|
3.1±0.1 | 3.0±0.4 |
3.28+0.22-0.12
|
3.3±0.2 | 3.30±0.19 | 3.24±0.24 |
|
a
(au)
|
0.0718+0.0008-0.0009
|
0.07359+0.00076-0.00078
|
0.074±0.001 | 0.0721±0.0003 | 0.072993±0.000022 | 0.07 |
|
Mp sin i
(M⨁)
|
--- | 5.05±0.70 |
5.652+0.386-0.239
|
5.5±0.3 | 5.6±0.3 | 5.36 |
|
Mp sin i
(MJup)
|
--- | 0.0159±0.0022 |
0.01778+0.00121-0.00075
|
0.0173±0.0009 | 0.018±0.001 | 0.017 |
|
TC
(days)
|
--- |
2455183.69+0.46-0.57
|
--- | --- | --- | --- |
|
Tp
(days)
|
--- | --- | --- | 2454759.2±0.1 | --- | 2454699.42±0.87 |
Literature Stellar Spectra
(5 Files)
| File Type | Spectrum Type | Wavelength Category | Reference |
|---|---|---|---|
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
| Spectra | echelle grating | Optical | California Planet Search |
Literature Time Series
(2 File Types, 6 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 132 | B (Johnson) | Lopez-Morales et al. 2006 |
| Photometric Light Curve | 82 | B (Johnson) | Lopez-Morales et al. 2006 |
| Photometric Light Curve | 59 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 119 | Optical Spectra | Mayor et al. 2009 |
| Radial Velocity Curve | 50 | Optical Spectra | Udry et al. 2007 |
| Radial Velocity Curve | 20 | Optical Spectra | Bonfils et al. 2005 |
- Known Objects
- 3 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 3 Associated Literature Data
-
The CARMENES search for exoplanets around M dwarfs. Revisiting the GJ 581 multi-planetary system with new Doppler measurements from CARMENES, HARPS, and HIRES
von Stauffenberg et al. 2024 | Reference Overview -
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 -
Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581
Robertson et al. 2014 | Reference Overview -
All WISE Data Release
Cutri et al. 2014 | Reference Overview -
The Lick-Carnegie Exoplanet Survey: A 3.1 M ⊕ Planet in the Habitable Zone of the Nearby M3V Star Gliese 581
Vogt et al. 2010 | Reference Overview -
The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system
Mayor et al. 2009 | Reference Overview -
CPS
California Planet Search -
The HARPS search for southern extra-solar planets. XI. Super-Earths (5 and 8 earth masses) in a 3-planet system
Udry et al. 2007 | Reference Overview -
Limits to Transits of the Neptune-Mass Planet Orbiting GJ 581
Lopez-Morales et al. 2006 | Reference Overview -
The HARPS search for southern extra-solar planets. VI. A Neptune-mass planet around the nearby M dwarf Gl 581
Bonfils et al. 2005 | Reference Overview -
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 | 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 -
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 solar neighborhood. I. Standard spectral types (K5-M8) fornorthern dwarfs within eight parsecs
Henry et al. 1994 | 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
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