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GJ 436 Overview

GJ 436 0.45 R⦿ 3500.00 K
GJ 436 b
0.372 RJup
Architecture
GJ 436
GJ 436
GJ 436 b
Other Data
Bibliography 44
Nearby Data 5
Discovery Data
Host Planet Method Year Reference Disposition
GJ 436 GJ 436 b Radial Velocity 2004 Butler et al. 2004 Confirmed Planet
RA
11h42m12.13s
Dec
+26d42m11.04s
Distance
9.75321+0.00898-0.00896
pc
Parallax
102.5010000±0.0935902 mas
Ecliptic Latitude
22.62623 deg
Ecliptic Longitude
164.77523 deg
Galactic Latitude
74.57238 deg
Galactic Longitude
210.55638 deg
Total Proper Motion
1209.8576781±0.1257212 mas/yr
Proper Motion (RA)
895.047000±0.127887 mas/yr
Proper Motion (Dec)
-814.031000±0.123052 mas/yr
Photometry
mV
10.67±0.10
mTESS
8.4034600±0.0074853
mJ
6.900±0.024
mH
6.319±0.023
mKs
6.073±0.016
mW1
---
mW2
---
mW3
---
mW4
---
mIc
---
mGaia
9.571480±0.000934
mB
12.058±0.210
mg
11.8123000±0.0012887
mi
8.9218300±0.0007445
mr
10.0822000±0.0008513
mu
15.9785000±0.0088957
mz
8.6612000±0.0016192
Abundances
(Hypatia Catalog)
[Fe/H] 0.12±0.04 dex
[Na/H] -0.01±0.04 dex
[Mg/H] 0.32±0.07 dex
[Si/H] 0.07±0.05 dex
[Ca/H] 0.10±0.06 dex
Tools
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Rosenthal et al. 2021 TICv8 Gaia DR2 Bourrier et al. 2018 Turner et al. 2016 Turnbull 2015 Salz et al. 2015 Maciejewski et al. 2014 Lanotte et al. 2014 Knutson et al. 2014 Knutson et al. 2011 Southworth 2010 Sanz-Forcada et al. 2010 Caceres et al. 2009 Shporer et al. 2009 Pont et al. 2009 Torres et al. 2008 Maness et al. 2007 Butler et al. 2004 Butler et al. 2004 Wright et al. 2004 Nidever et al. 2002 Hawley et al. 1996 Kirkpatrick et al. 1991 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
S Index
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.726±0.094 --- --- --- ---
Teff
(K)
3586.10656129500±36.36721149728 3456.0±157.0
3660.420+136.913-131.420
 3479±60 3350 3431 --- --- 3416±100 --- 3585 3500±100 --- 3500 --- 3500 3350±300 3350±300 --- --- --- --- --- --- 3456±157
Metallicity
(dex)
0.09908018243005000±0.07845433388885001 [Fe/H] --- --- --- -0.15 [Fe/H] --- --- --- 0.02±0.20 [Fe/H] -0.030±0.200 [Fe/H] --- -0.030±0.200 [Fe/H] --- 0 [Fe/H] --- 0 [Fe/H] -0.03±0.20 [Fe/H] -0.03 [M/H] --- --- --- --- --- --- ---
log g
(log10(cm/s2))
4.840763583999999±0.009151914171620 4.8035200±0.0046894 --- --- 4.427 --- ---
4.792 +0.047-0.044
4.843±0.018 --- 4.843 4.787±0.030 --- 4.5 --- 5.0
4.843 +0.018-0.011
--- --- --- --- --- --- --- 4.8
ρ✶
(g/cm3)
--- 7.6875431±0.3094146 --- --- --- --- ---
7.00 +0.70-0.66
8.33 +0.24-0.25
--- --- 6.93±0.77 --- --- --- ---
6.43 +0.87-0.80
--- --- --- --- --- --- --- ---
M✶
(M⦿)
0.4411671425335000±0.0093869025567100 0.4198680±0.0201679 --- 0.445±0.044 --- 0.40 --- 0.47±0.07
0.556 +0.071-0.065
0.452±0.013 0.452±0.013 0.459±0.046 --- --- --- 0.452±0.013
0.452 +0.014-0.012
0.44±0.04 0.41±0.05 --- --- --- --- --- ---
R✶
(R⦿)
0.41684304009899997±0.00756258617250750 0.4254320±0.0125187 --- 0.449±0.019 --- 0.47 --- 0.455±0.018 0.455±0.018 --- 0.437±0.005 0.454±0.029 --- --- 0.45±0.02 0.446±0.011
0.464 +0.009-0.011
--- --- --- --- --- --- --- 0.425431996583939±0.012518700000000
L✶
(log10(L⦿))
---
-1.63335+0.09406-0.12023
 --- --- ---
-1.523 +0.669-0.426
--- --- --- --- --- --- --- --- --- --- -1.585±0.023 -1.620±0.067 --- --- --- --- --- --- ---
Sp. T
--- --- --- --- --- M3 M2.5 V --- --- --- --- --- --- --- --- --- --- --- M2.5 V --- --- --- M2.5 M3 V ---
γ
(km/s)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 9.6 --- --- ---
v sin i
(km/s)
--- --- ---
0.330+0.091-0.066
 --- --- --- ---
0.24 +0.38-0.17
--- --- --- --- --- --- --- --- --- 3 3 --- --- --- --- ---
Prot
(days)
--- --- --- 44.09±0.08 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- --- --- --- --- 15 --- --- ---
6.0 +4.0-5.0
--- >3 --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
TOI
Transit
Atmospheric Spectroscopy
Source Maciejewski et al. 2014 Kokori et al. 2023 Kokori et al. 2022 Rosenthal et al. 2021 Trifonov et al. 2018 Bourrier et al. 2018 Turner et al. 2016 Baluev et al. 2015 Salz et al. 2015 Lanotte et al. 2014 Knutson et al. 2014 Knutson et al. 2011 Southworth 2010 Caceres et al. 2009 Shporer et al. 2009 Pont et al. 2009 Torres et al. 2008 Wright et al. 2007 Maness et al. 2007 Butler et al. 2006 Butler et al. 2004 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
ω
(deg)
351.00±0.03 --- --- -25±13
325.8+5.4-5.7
327.2+1.8-2.2
 --- --- ---
327.2 +1.8-2.2
336+12-11
 --- --- --- --- --- --- 353±24 351±1.2 357±24 332±11 ---
Mp sin i
(M⨁)
--- --- --- 21.2±0.7
21.36+0.20-0.21
 --- --- --- --- --- --- --- --- --- --- --- --- 21.6751±2.0022 22.6603±1.9069 21.3891±2.0658 21.294±2.225 ---
Mp sin i
(MJup)
--- --- --- 0.0668±0.0022
0.06721+0.00063-0.00066
 --- --- --- --- --- --- --- --- --- --- --- --- 0.0682±0.0063 0.0713±0.006 0.0673±0.0065 0.067±0.007 ---
e
0.13827±0.00018 --- --- 0.145±0.027
0.152+0.009-0.008
 0.1616±0.0040 0.150±0.012 --- 0.2
0.1616 +0.0041-0.0032
0.1495+0.0160-0.0097
 --- --- --- --- --- --- 0.145±0.052 0.160±0.019 0.207±0.052 0.12±0.06 ---
P
(days)
2.64388312±0.00000057 2.643897621±0.000000096 2.64389751±0.00000012 2.643892±0.000025 2.644±0.001 2.64389803±0.00000026 2.64389788±0.00000010 2.64389846±0.00000044 2.6
2.64389803 +0.00000027-0.00000025
--- 2.6438979±0.0000003 2.64389524±0.00000076 2.6438986±0.0000016 2.64386±0.00003 2.6438904 2.64385 2.643859±0.000074 2.64385±0.00009 2.643943±0.000084 2.6441±0.0005 2.64388561055203±0.00003158837000
K
(m/s)
17.09±0.22 --- ---
17.12+0.52-0.51
 17.38±0.17 17.59±0.25 --- --- --- 17.59±0.25 17.01±0.54 --- 18.34±0.52 --- --- --- --- 18.35±0.80 18.34±0.52 18.3±1.0 18.10±1.2 ---
a
(au)
0.0291±0.0015 --- --- 0.02849±0.00020 0.028±0.001 --- 0.03109±0.00074 --- 0.029
0.0308 +0.0013-0.0012
--- 0.0287±0.0003 0.02887±0.00096 ---
0.02872 +0.00030-0.00025
---
0.02872 +0.00029-0.00026
0.0278±0.0016 0.0285 0.0278±0.0016 0.0278 ---
TC
(days)
2454510.80162±0.00007 2455290.751684±0.000052 2454873.01582±0.00004
2454428.848+0.029-0.028
 --- 2454865.084034±0.000035 2454238.479958±0.000039 2455280.17568±0.00017 ---
2454865.084034 +0.000035-0.000034
--- 2454865.083208±0.000042 --- 2454222.61588±0.00012 2454235.8355±0.0001 2454449.99141±0.00008 --- --- --- --- --- 2459639.96333200±0.00018953
a/R✶
13.73 +0.46-0.43
14.14+0.09-0.10
 --- --- --- 14.54±0.14 --- --- ---
14.54 +0.14-0.15
---
14.138+0.093-0.104
13.680+0.525-0.487
 --- 13.6±0.5 --- 13.34±0.58 --- --- --- --- ---
b
0.736 +0.042-0.041
--- --- --- --- --- --- 0.806±0.031 ---
0.7972 +0.0053-0.0055
--- 0.8521±0.0021 --- --- 0.85±0.01 0.850±0.007 0.848±0.010 --- --- --- --- ---
Mp
(M⨁)
22.1±2.3 --- --- --- ---
25.4+2.1-2.0
 23.1±0.8 --- 23.201
25.4 +2.1-2.0
21.7±0.8 --- 23.4±1.7 --- 23.1±0.9 --- 23.1688±0.7945 --- --- --- --- ---
Mp
(MJup)
0.070±0.007 --- --- --- ---
0.0799+0.0066-0.0063
 0.0728±0.0024 --- 0.073
0.080 +0.007-0.006
0.0682±0.0025 --- 0.0737±0.0054 --- 0.073±0.003 --- 0.0729±0.0025 --- --- --- --- ---
Rp
(R⨁)
4.170±0.168 --- --- --- --- --- 4.191±0.109 --- 4.26 4.10±0.16 --- 3.96±0.05 4.09±0.20 --- 4.2±0.2 4.04±0.10
4.2224 +0.0919-0.1031
--- --- --- --- 3.81211402798575±0.11891983000000
Rp
(RJup)
0.372±0.015 --- --- --- --- --- 0.3739±0.0097 --- 0.38 0.366±0.014 --- 0.353±0.004 0.365±0.018 --- 0.37±0.02 0.360±0.009
0.3767 +0.0082-0.0092
--- --- --- --- 0.340094619663833±0.010609334888051
Rp/R✶
0.0822 +0.0010-0.0011
0.0831±0.0003 --- --- --- --- 0.08310±0.00027 0.088±0.010 --- --- --- 0.08311±0.00026 --- 0.082±0.002 0.085±0.001 0.0831±0.0005 0.0834±0.0007 --- --- --- --- ---
Tp
(days)
2455959 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 2451551.72±0.12 2451551.716±0.01 2451551.69±0.11 2451551.507±0.03 ---
T14
(hours)
--- --- --- --- --- --- --- 1.009±0.034 --- 1.00536±0.00336 --- 1.014±0.004 --- --- --- 0.761±0.010 --- --- --- --- --- 0.968928896407807±0.014879419500000
Teq
(K)
--- --- --- --- --- --- 686±10 --- 650 --- --- --- 669±22 --- --- --- 649±60 --- --- --- --- 594.053359297008
S
(S⨁)
--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 29.4322067883771
δ
(%)
--- --- --- --- --- 0.6819±0.0028 --- --- --- --- --- --- --- 0.64±0.03 --- --- 0.5969 --- --- --- --- 0.640470514713927±0.006444643400000
i
(deg)
86.44 +0.17-0.16
86.70±0.03 --- --- ---
86.858+0.049-0.052
 86.774±0.030 --- ---
86.858 +0.049-0.052
---
86.699+0.034-0.030
 86.43±0.18 --- --- ---
86.36 +0.16-0.17
--- --- --- --- ---
ρ
(g/cm3)
1.80±0.29 --- --- --- --- --- 1.73±0.15 --- 1.7 --- --- --- 2.01±0.25 --- --- ---
1.69 +0.14-0.12
--- --- --- --- ---
λ
(deg)
--- --- --- --- ---
72 +33-24
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
ψ
(deg)
--- --- --- --- ---
80 +21-18
 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
Print
Literature Stellar Spectra (4 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
Literature Time Series (3 File Types, 65 Files)
File Type Data Points Filter Reference
Photometric Light Curve     35266 Ks (VLT-ISAAC) Caceres et al. 2009
Photometric Light Curve     394 Clear, no filter Coughlin et al. 2008
Photometric Light Curve     1220 Ic (Cousins) Coughlin et al. 2008
Photometric Light Curve     290 Ic (Cousins) Coughlin et al. 2008
Photometric Light Curve     274 Ic (Cousins) Coughlin et al. 2008
Photometric Light Curve     257 Ic (Cousins) Coughlin et al. 2008
Photometric Light Curve     795 V (Johnson) Coughlin et al. 2008
Photometric Light Curve     685 V (Johnson) Coughlin et al. 2008
Photometric Light Curve     483 V (Johnson) Coughlin et al. 2008
Photometric Light Curve     433 V (Johnson) Coughlin et al. 2008
Photometric Light Curve     287 V (Johnson) Coughlin et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     30 F583W (HST FGS) Bean et al. 2008
Photometric Light Curve     669 IRAC4 (Spitzer) Demory et al. 2007
Photometric Light Curve     24 V (Generic) Demory et al. 2007
Photometric Light Curve     445 IRAC4 (Spitzer) Deming et al. 2007
Photometric Light Curve     99 B (Johnson) Gillon et al. 2007
Photometric Light Curve     239 Clear, no filter Gillon et al. 2007
Photometric Light Curve     1063 Rc (Cousins) Gillon et al. 2007
Photometric Light Curve     191 Rc (Cousins) Gillon et al. 2007
Photometric Light Curve     115 V (Johnson) Gillon et al. 2007
Photometric Light Curve     103 V (Johnson) Gillon et al. 2007
Photometric Light Curve     4173 Clear, no filter Pollacco et al. 2006
Photometric Light Curve     52 Hp (Hipparcos) Hipparcos and Tycho Catalogs
Radial Velocity Curve     28 Optical Spectra Thomas et al. 2016
Radial Velocity Curve     28 Optical Spectra Thomas et al. 2016
Radial Velocity Curve     59 Optical Spectra Maness et al. 2007
Radial Velocity Curve     55 Optical Spectra Butler et al. 2006
Radial Velocity Curve     42 Optical Spectra Butler et al. 2004
Amateur Light Curve     154 B (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     159 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     145 Clear, no filter Amateur-Contributed Light Curves
Amateur Light Curve     299 I (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     166 I (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     98 I (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     44 I (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     590 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     279 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     268 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     254 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     212 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     179 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     175 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     171 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     167 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     162 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     155 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     132 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     128 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     124 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     117 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     101 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     93 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     91 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     90 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     82 R (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     447 V (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     243 V (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     162 V (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     129 V (Generic) Amateur-Contributed Light Curves
Amateur Light Curve     113 V (Generic) Amateur-Contributed Light Curves
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
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Aliases
Data Access
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Time Series
Kepler | K2
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