GJ 849 Overview

GJ 849 0.53 R⦿ 3241.00 K
GJ 849 b
GJ 849 c
Architecture
GJ 849
GJ 849
GJ 849 b
GJ 849 c
Other Data
Bibliography 20
Nearby Data 4
Discovery Data
Host Planet Method Year Reference Disposition
GJ 849 GJ 849 b Radial Velocity 2006 Butler et al. 2006 Confirmed Planet
GJ 849 GJ 849 c Radial Velocity 2014 Montet et al. 2014 Confirmed Planet
RA
22h09m41.52s
Dec
-04d38m26.99s
Distance
8.800580±0.003615 pc
Parallax
113.6000000±0.0463143 mas
Ecliptic Latitude
6.27556 deg
Ecliptic Longitude
332.72402 deg
Galactic Latitude
-45.40318 deg
Galactic Longitude
55.89444 deg
Total Proper Motion
1132.7461051±0.0811619 mas/yr
Proper Motion (RA)
1132.5300000±0.0811613 mas/yr
Proper Motion (Dec)
-22.1255000±0.0826078 mas/yr
Photometry
mV
10.41±0.10
mTESS
8.021980±0.007385
mJ
6.510±0.024
mH
5.899±0.044
mKs
5.594±0.017
mW1
5.570±0.116
mW2
5.183±0.064
mW3
5.307±0.015
mW4
5.177±0.036
mIc
7.870±0.008
mGaia
9.224500±0.000651
mB
11.582±0.115
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Stassun et al. 2017 Turnbull 2015 Montet et al. 2014 Bonfils et al. 2013 Butler et al. 2006 Wright et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Walker 1983
S Index
--- --- --- --- --- --- --- --- 1.042±0.135 --- --- ---
Teff
(K)
3562.6792580500±30.5018743829 3407.0±157.0
3856.5325+225.4930-233.9820
3241±150 3343 --- --- --- --- --- --- ---
Metallicity
(dex)
0.39603023958200±0.06161336876375 [Fe/H] --- --- 0.24 [Fe/H] --- 0.22±0.17 [Fe/H] --- 0.16±0.2 [Fe/H] --- --- --- ---
M
(M⦿)
0.4958586505210000±0.0088135718362900 0.4612860±0.0201897 --- 0.65±0.24 0.42 0.490±0.049 0.49 0.49±0.05 --- --- --- ---
R
(R⦿)
0.46845750841300010±0.00682867310487500 0.4639120±0.0136633 --- 0.53±0.05 0.55 --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.7906277386800005±0.0088220593490750 4.7691700±0.0065689 --- 4.80±0.14 --- --- --- --- --- --- --- ---
L
(log10(L⦿))
---
-1.58295+0.09501-0.12178
--- ---
-1.523 +0.637-0.368
--- -1.553 --- --- --- --- ---
Sp. T
--- --- --- --- M3 M3.5 M3 V M3.5 V --- --- M3.5 M3 V
γ
(km/s)
--- --- --- --- --- --- --- --- --- -15.3 --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- 1.0±0.6 --- --- --- ---
Age
(Gyr)
--- --- --- --- --- --- --- >3 --- --- --- ---
ρ
(g/cm3)
--- 6.5137218±0.2906188 --- --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Montet et al. 2014 Rosenthal et al. 2021 Stassun et al. 2017 Feng et al. 2015 Bonfils et al. 2013 Butler et al. 2006
Mp sin i
(M)
286+14-14
283±11 318±99 289.531±11.441 289.21 260.61
Mp sin i
(MJup)
0.900+0.043-0.045
0.891±0.036 1.00±0.31 0.911±0.036 0.91 0.82
P
(days)
1915+23-24
1940±12 1882.00000±250.00000 1924±15 1845±15 1890±130
Tp
(days)
---
2453873+21-24
--- 2453770±150 2454000±150 2451462±540
ω
(deg)
---
23+32-36
--- 66±28 298±29 351±60
e
---
0.050+0.029-0.030
0.04±0.02 0.038±0.019 0.05±0.03 0.06±0.09
K
(m/s)
---
23.21+0.88-0.89
22.0±4.0 23.96±0.94 24.4±0.7 22±2
a
(au)
---
2.409+0.018-0.017
2.35±0.22 2.39±0.082 2.32 2.35
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Source Montet et al. 2014 Rosenthal et al. 2021
Tp
(days)
---
2458970+140-120
ω
(deg)
---
-36+28-24
Mp sin i
(M)
223.1+109.3-64.5
342.9±16.8
Mp sin i
(MJup)
0.7020+0.3440-0.2030
1.079±0.053
e
---
0.0990+0.0410-0.0400
P
(days)
7068+6282-2166
5750+130-120
K
(m/s)
---
19.64+0.93-0.95
a
(au)
---
4.974+0.083-0.074
Literature Stellar Spectra (3 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
Literature Time Series (2 File Types, 2 Files)
File Type Data Points Filter Reference
Photometric Light Curve     50 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     29 Optical Spectra Butler et al. 2006
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
Refuted
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
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