GJ 581 Overview

GJ 581 0.34 R⦿ 3375.00 K
GJ 581 e
GJ 581 b
GJ 581 c
Architecture
GJ 581
GJ 581
GJ 581 e
GJ 581 b
GJ 581 c
Other Data
Bibliography 21
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
229.51658 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
mV
10.57±0.10
mTESS
8.2023800±0.0075119
mJ
6.706±0.026
mH
6.095±0.033
mKs
5.837±0.023
mW1
5.743±0.094
mW2
5.420±0.028
mW3
5.478±0.014
mW4
5.350±0.038
mIc
8.030±0.008
mGaia
9.411000±0.001197
mB
11.761±0.174
Source 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
S Index
--- --- --- --- --- --- --- 0.528±0.069 --- --- ---
Teff
(K)
3490.38576532000±42.51060261295 3396.0±157.0
3660.255+293.065-179.750
3375 --- --- --- --- --- --- ---
L
(log10(L⦿))
---
-1.88519+0.09570-0.12293
---
-2.000 +1.000-0.903
-1.9 --- -1.886 --- --- --- ---
M
(M⦿)
0.318714118173000±0.010054831054505 0.3107470±0.0202617 --- 0.33 0.31±0.02 --- 0.31±0.02 --- --- --- ---
R
(R⦿)
0.31525372207400004±0.00732874517185000 0.3297020±0.0099343 --- 0.34 0.29 --- 0.29 --- --- --- ---
Sp. T
--- --- --- M3.0V M3 V --- M3 V --- --- M3 M2.5 V
Metallicity
(dex)
-0.08813656588700000±0.07399858103365001 [Fe/H] --- --- --- --- --- -0.25 [Fe/H] --- --- --- ---
γ
(km/s)
--- --- --- --- --- -9.2082±0.0002 -9.212±0.001 --- -9.4 --- ---
v sin i
(km/s)
--- --- --- --- --- --- <2.1 --- --- --- ---
Age
(Gyr)
--- --- --- --- 4.3 --- >2 --- --- --- ---
ρ
(g/cm3)
--- 12.2238425±0.3069178 --- --- --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.94239662973000±0.01280471614215 4.8942300±0.0021782 --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Robertson et al. 2014 Trifonov et al. 2018 Vogt et al. 2010 Mayor et al. 2009
Mp sin i
(M)
1.7±0.2
1.657+0.240-0.161
1.7±0.2 1.94
Mp sin i
(MJup)
0.0053±0.0006
0.005213+0.000755-0.000507
0.0053±0.0006 0.006
e
0.00±0.06
0.125+0.078-0.015
0 0
P
(days)
3.1490±0.0002
3.153+0.001-0.006
3.14867±0.00039 3.14942±0.00045
K
(m/s)
1.7±0.2
1.55+0.22-0.13
1.66±0.19 1.85±0.23
a
(au)
0.02815±0.00006 0.029±0.001 0.0284533±0.0000023 0.03
Tp
(days)
2454752.33±0.05 --- --- 2454716.80±0.01
ω
(deg)
---
77.40+23.00-43.60
--- 0
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Robertson et al. 2014 Rosenthal et al. 2021 Trifonov et al. 2018 Vogt et al. 2010 Mayor et al. 2009 Bonfils et al. 2005
Tp
(days)
2454751.76±0.01
2454724.631+0.043-0.040
--- --- 2454712.62±0.02 2451004.30±0.06
ω
(deg)
---
9.20+54.00-69.00
118.3+27.4-22.9
--- 0 ---
Mp sin i
(M)
15.8±0.3 16.2±0.6
15.20+0.22-0.27
15.6±0.3 15.65 16.6
Mp sin i
(MJup)
0.0497±0.0009 0.0511±0.0019
0.04782+0.00069-0.00085
0.0491±0.0009 0.049 0.0522
e
0.00±0.03
0.020+0.022-0.014
0.022+0.027-0.005
0 0 0
P
(days)
5.3686±0.0001 5.36879±0.00015 5.368±0.001 5.36841±0.00026 5.36874±0.00019 5.366±0.001
K
(m/s)
12.6±0.2 12.71±0.40
12.35+0.18-0.20
12.45±0.21 12.48±0.23 13.2±0.4
a
(au)
0.04061±0.00003
0.04099+0.00042-0.00044
0.041±0.001 0.0406163±0.0000013 0.04 0.041
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Robertson et al. 2014 Rosenthal et al. 2021 Trifonov et al. 2018 Vogt et al. 2010 Mayor et al. 2009
Tp
(days)
2454759.2±0.1
2455183.69+0.46-0.57
--- --- 2454699.42±0.87
ω
(deg)
---
-10+69-50
148.7+71.5-33.0
--- -110±25
Mp sin i
(M)
5.5±0.3 5.05±0.70
5.652+0.386-0.239
5.6±0.3 5.36
Mp sin i
(MJup)
0.0173±0.0009 0.0159±0.0022
0.01778+0.00121-0.00075
0.018±0.001 0.017
e
0.00±0.06
0.120+0.120-0.084
0.0870+0.1500-0.0160
0 0.17±0.07
P
(days)
12.914±0.002
12.9144+0.0045-0.0048
12.919+0.003-0.002
12.9191±0.0058 12.9292±0.0047
K
(m/s)
3.3±0.2 3.0±0.4
3.28+0.22-0.12
3.30±0.19 3.24±0.24
a
(au)
0.0721±0.0003
0.07359+0.00076-0.00078
0.074±0.001 0.072993±0.000022 0.07
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
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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