LHS 1140 Overview

LHS 1140 0.22 R⦿ 3096.00 K
LHS 1140 c
0.113 RJup
LHS 1140 b
0.154 RJup
Architecture
LHS 1140
LHS 1140
LHS 1140 c
LHS 1140 b
Discovery Data
Host Planet Method Year Reference Disposition
LHS 1140 LHS 1140 c Transit 2018 Ment et al. 2019 Confirmed Planet
LHS 1140 LHS 1140 b Transit 2017 Dittmann et al. 2017 Confirmed Planet
RA
00h44m59.67s
Dec
-15d16m26.79s
Distance
14.9861+0.0153-0.0152
pc
Parallax
66.6996000±0.0673611 mas
Ecliptic Latitude
-18.45449 deg
Ecliptic Longitude
4.09847 deg
Galactic Latitude
-78.05159 deg
Galactic Longitude
115.40542 deg
Total Proper Motion
675.8787442±0.0942503 mas/yr
Proper Motion (RA)
317.585000±0.120648 mas/yr
Proper Motion (Dec)
-596.6170000±0.0852977 mas/yr
Photometry
mV
14.150±0.062
mTESS
11.2991000±0.0073288
mJ
9.612001±0.023000
mH
9.092±0.026
mKs
8.821±0.024
mW1
8.606±0.022
mW2
8.391±0.019
mW3
8.235±0.022
mW4
8.133±0.265
mIc
---
mGaia
12.670600±0.000356
mB
15.881±0.091
Source Cadieux et al. 2024 Lillo-Box et al. 2020 TICv8 Ment et al. 2019 Gaia DR2 Dittmann et al. 2017 Hawley et al. 1996 ExoFOP-TESS TOI ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
3096±48 2988±67 3166.0±157.0 3216±39
3837.4475+467.8520-348.4480
3131±100 --- 3131 3131
L
(log10(L⦿))
-2.4+0.0-0.0
-2.49+0.01-0.01
-2.3762+0.1006-0.1312
-2.36+0.01-0.01
---
-2.526+0.030-0.032
--- --- ---
Metallicity
(dex)
-0.15±0.09 [Fe/H] -0.262±0.104 [Fe/H] --- -0.24±0.10 [Fe/H] --- -0.24±0.14 [Fe/H] --- --- ---
Age
(Gyr)
>5 --- --- >5 --- >5 --- --- ---
ρ
(g/cm3)
25.8±1.0 --- 25.9907118±0.4673645 --- --- --- --- --- ---
M
(M⦿)
0.1844±0.0045
0.191+0.012-0.011
0.1845890±0.0201091 0.179±0.014 --- 0.146±0.019 --- --- ---
R
(R⦿)
0.2159±0.0030
0.2134+0.0036-0.0034
0.2155350±0.0065582 0.2139±0.0041 --- 0.186±0.013 --- 0.215534999966621±0.006558170000000 0.215534999966621±0.006558170000000
log g
(log10(cm/s2))
5.041±0.016 --- 5.0372400±0.0210634 --- --- --- --- 5.05701 5.05701
Sp. T
M4.5 V --- --- --- --- M4.5 V M4.5 --- ---
Prot
(days)
131±5 --- --- 131±5 --- 131 --- --- ---
γ
(km/s)
--- --- --- --- --- -13.23±0.60 --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Cadieux et al. 2024 Kokori et al. 2023 Lillo-Box et al. 2020 Ment et al. 2019 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
--- 26.57±0.05
27.53+0.62-0.61
26.57±0.05 ---
Teq
(K)
422±7 ---
708.9+8.0-7.8
438±9 394.384409708834
Mp
(M)
1.91±0.06 ---
1.76+0.17-0.16
1.81±0.39 ---
Mp
(MJup)
0.00601±0.00019 ---
0.00554+0.00053-0.00050
0.00569±0.00123 ---
Mp sin i
(M)
--- --- 1.71±0.18 --- ---
Mp sin i
(MJup)
--- --- 0.00538±0.00057 --- ---
e
<0.050 --- <0.274 <0.31 ---
i
(deg)
89.80+0.14-0.19
89.92+0.06-0.09
89.913+0.046-0.049
89.92+0.06-0.09
---
P
(days)
3.777940±0.000002 3.7779329±0.0000028 3.77792±0.00003 3.777931±0.000003 3.77794175247263±0.00000851805500
ρ
(g/cm3)
5.1±0.4 ---
6.07+0.81-0.74
4.7±1.1 ---
Rp
(R)
1.272±0.026 ---
1.169+0.037-0.038
1.282±0.024 1.56599371757261±0.20743896000000
Rp
(RJup)
0.1135±0.0023 ---
0.1043+0.0033-0.0034
0.1144±0.0021 0.139708842354650±0.018506496313264
K
(m/s)
2.42±0.07 --- 2.22±0.20 2.35±0.49 ---
a
(au)
0.0270±0.0005 --- 0.02734±0.00054 0.02675±0.00070 ---
δ
(%)
0.290±0.009 ---
0.252+0.016-0.015
--- 0.346945073899104±0.043044000000000
T14
(hours)
1.13±0.02 ---
1.100+0.025-0.024
--- 1.47593251726274±0.09515379000000
TC
(days)
2458389.2939±0.0002 2458226.843969±0.000018
2458389.29383+0.00081-0.00082
2458226.843169±0.000026 2459141.1004880±0.0017719
S
(S)
5.3±0.4 --- --- 6.16±0.37 5.71741815401029
Rp/R
--- 0.05486±0.00013 --- 0.05486±0.00013 ---
b
0.090+0.090-0.060
--- --- --- ---
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Source Cadieux et al. 2024 Kokori et al. 2023 Lillo-Box et al. 2020 Ment et al. 2019 Dittmann et al. 2017 ExoFOP-TESS TOI Show Candidate Solutions >> << Hide Candidate Solutions
a/R
--- 95.3±1.1
96.4+2.2-2.1
95.34±1.06 101.0±6.0 ---
Teq
(K)
226±4 ---
378.9+4.3-4.2
235±5 230±20 157.089889569672
Mp
(M)
5.60±0.19 ---
6.38+0.46-0.44
6.98±0.89 6.65±1.82 ---
Mp
(MJup)
0.0176±0.0006 ---
0.0201+0.0014-0.0014
0.0220±0.0028 0.0209±0.0057 ---
Mp sin i
(M)
--- ---
6.09+0.48-0.47
--- --- ---
Mp sin i
(MJup)
--- ---
0.0192+0.0015-0.0015
--- --- ---
e
<0.043 --- <0.096 <0.06 <0.29 ---
i
(deg)
89.86±0.04
89.89+0.05-0.03
89.877+0.049-0.045
89.89+0.05-0.03
89.912±0.071 ---
P
(days)
24.73723±0.00002 24.737210±0.000017
24.73694+0.00041-0.00040
24.736959±0.000080 24.73712±0.00025 24.7373411600±0.0001405365
ρ
(g/cm3)
5.9±0.3 ---
8.04+0.84-0.80
7.5±1.0 12.5±3.4 ---
Rp
(R)
1.730±0.025 --- 1.635±0.046 1.727±0.032 1.43±0.10 1.84394530919894±0.11457296500000
Rp
(RJup)
0.1543±0.0022 --- 0.1459±0.0041 0.1541±0.0029 0.128±0.009 0.164506065141047±0.010221532899954
K
(m/s)
3.80±0.11 --- 4.21±0.24 4.85±0.55 5.34±1.10 ---
a
(au)
0.0946±0.0017 --- 0.0957±0.0019 0.0936±0.0024 0.0875±0.0041 ---
δ
(%)
0.538±0.006 --- 0.493±0.027 --- --- 0.6560492087026±0.0296415740000
T14
(hours)
2.15±0.05 ---
2.055+0.048-0.049
--- --- 2.06905097692685±0.12742876000000
TC
(days)
2458399.9300±0.0003 2458103.084207±0.000043
2458399.9303+0.0012-0.0013
2456915.71154±0.00004 2456915.6997±0.0054 2458399.92864300±0.00112076
S
(S)
0.43±0.03 --- --- 0.503±0.030 0.46 0.143917610380433
Rp/R
--- 0.07390±0.00008 --- 0.07390±0.00008 0.0708±0.0013 ---
b
0.23+0.05-0.07
--- --- --- --- ---
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
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Time Series
Kepler | K2
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