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GJ 1132 Overview

GJ 1132 0.22 R⦿ 3229.00 K
GJ 1132 b
0.106 RJup
GJ 1132 c

GJ 1132 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
GJ 1132
GJ 1132 b 1.63 d 1.19 R⨁ Transit 2015 Berta-Thompson et al. 2015 Confirmed Planet
GJ 1132 c 8.93 d > 2.91 M⨁ Radial Velocity 2018 Bonfils et al. 2018 Confirmed Planet
GJ 1132 b GJ 1132 c
RA
10h14m50.18s
Dec
-47d09m17.77s
Distance
12.613±0.007 pc
Parallax
79.2543000±0.0437672 mas
Ecliptic Latitude
-52.42012 deg
Ecliptic Longitude
181.43393 deg
Galactic Latitude
7.75911 deg
Galactic Longitude
277.25461 deg
Total Proper Motion
1132.4832583±0.0750929 mas/yr
Proper Motion (RA)
-1053.9800000±0.0738738 mas/yr
Proper Motion (Dec)
414.3000000±0.0825484 mas/yr
Photometry
mV
13.68±0.20
mTESS
10.8372000±0.0073203
mJ
9.245±0.026
mH
8.666±0.031
mKs
8.322±0.027
mW1
8.170±0.023
mW2
8.000±0.020
mW3
7.862±0.018
mW4
7.916±0.184
mIc
10.69±0.02
mGaia
12.138000±0.000387
mB
15.17±0.03
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Weisserman et al. 2026 Xue et al. 2024 Maxted et al. 2022 TICv8 Bonfils et al. 2018 Gaia DR2 Southworth et al. 2017 Cloutier et al. 2017 Berta-Thompson et al. 2015 Hawley et al. 1996 ExoFOP
Teff
(K)
---
3229+78-62
 3090±65 3261.0±157.0 3270±140
3631.1074+250.2460-281.4410
 --- --- 3270±140 --- 3202
L✶
(log10(L⦿))
---
-2.32+0.03-0.02
 ---
-2.2821+0.0989-0.1282
-2.36+0.03-0.04
 --- --- ---
-2.36+0.03-0.04
 --- ---
Metallicity
(dex)
-0.18±0.15 [Fe/H] -0.17±0.15 [Fe/H] -0.31±0.10 [Fe/H] --- --- --- --- --- -0.12±0.15 [Fe/H] --- ---
ρ✶
(g/cm3)
---
25.3+3.1-2.2
 --- 23.7846156±0.2576782 --- ---
15.4+4.8-3.4
 --- 29.6±6.0 --- ---
M✶
(M⦿)
0.198±0.005
0.1945+0.0048-0.0046
 0.192±0.022 0.1957940±0.0201573 0.181±0.019 --- 0.181±0.019 --- 0.181±0.019 --- ---
R✶
(R⦿)
0.226±0.007
0.2211+0.0069-0.0081
 0.207±0.016 0.2264070±0.0069743
0.2105+0.0102-0.0085
 --- 0.255±0.023 --- 0.207±0.016 --- 0.226407006382942±0.006974270000000
log g
(log10(cm/s2))
5.02±0.03
5.037+0.034-0.026
 5.07±0.06 5.0200900±0.0181057 --- --- 4.881±0.074 --- --- --- 4.86375
Sp. T
M4.5 V --- --- --- --- --- --- --- M4.5 V M3.5 ---
γ
(km/s)
--- --- --- --- 35.0788±0.0008 --- --- --- 35±1 --- ---
v sin i
(km/s)
--- --- --- --- --- --- --- --- <2 --- ---
Age
(Gyr)
--- --- --- --- --- --- --- --- >5 --- ---
Prot
(days)
--- --- --- ---
122.3+6.0-5.0
 --- ---
122.31+6.03-5.04
 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
NExoList: JWST
Atmospheric Spectroscopy
Source Xue et al. 2024 Weisserman et al. 2026 Kokori et al. 2023 Maxted et al. 2022 Bonfils et al. 2018 Southworth et al. 2017 Cloutier et al. 2017 Berta-Thompson et al. 2015 ExoFOP
a/R✶
15.26+0.59-0.45
 --- 16.0±1.1 16.3±1.1 --- --- --- 16.0±1.1 ---
Teq
(K)
583.8+11.0-8.5
 591±11 --- --- 529±9 644±38 --- 409±11 545.712674611976
b
0.504+0.032-0.038
 --- --- 0.43±0.16 --- --- --- 0.38±0.14 ---
Mp
(M⨁)
1.84+0.19-0.19
 1.69±0.15 --- 1.74±0.25 1.66±0.23 1.63±0.54
1.58+0.49-0.48
 1.62±0.55 ---
Mp
(MJup)
0.00578+0.00060-0.00059
 0.00532±0.00047 --- 0.00547±0.00079 0.00522±0.00072 0.00513±0.00170
0.00497+0.00154-0.00151
 0.00510±0.00173 ---
e
0.0118+0.0470-0.0099
 0 --- --- <0.22 --- --- 0 ---
P
(days)
1.62892911+0.00000029-0.00000030
 1.62893±0.00001 1.6289304±0.0000013 1.6289287 1.628931±0.000027 1.6289287±0.0000018 --- 1.628930±0.000031 1.6289321997705±0.0000037834750
ρ
(g/cm3)
5.97+0.96-0.79
 --- --- 7.0±1.9 6.3±1.3
3.1+1.7-1.2
 --- 6.0±2.5 ---
Rp
(R⨁)
1.192+0.038-0.045
 1.22±0.04 --- 1.11±0.10 1.130±0.056 1.43±0.16 --- 1.16±0.11 1.21456642396614±0.15818869000000
Rp
(RJup)
0.1063+0.0034-0.0040
 0.109±0.004 --- 0.0990±0.0089 0.1008±0.0050 0.128±0.014 --- 0.103±0.010 0.108356545208981±0.014112673956161
Rp/R✶
0.04943±0.00015 --- 0.051±0.003 0.0494±0.0021 --- 0.05041±0.00086 --- 0.0512±0.0025 ---
K
(m/s)
2.98±0.30 2.75±0.24 --- 2.85±0.34 2.85±0.34 ---
2.69+0.81-0.79
 2.76±0.92 ---
TC
(days)
2459280.98988±0.00013
(BJD-TDB)
2457184.5579±0.0003
(BJD)
2458031.60114±0.00011
(BJD-TDB)
2458938.91419±0.00044
(BJD-TDB)
--- 2457184.55759±0.00030
(BJD-TDB)
--- 2457184.55786±0.00032
(BJD-TDB)
2459280.9894040±0.0008845
(BJD)
S
(S⨁)
19.3+1.5-1.1
 --- --- --- --- --- --- --- 20.9593188562353
δ
(%)
0.2443+0.0014-0.0015
 --- --- --- --- --- --- --- 0.251211924470605±0.009733358000000
T14
(hours)
0.76646+0.00214-0.00216
 --- --- --- --- --- --- --- 0.809275952968085±0.096365620000000
i
(deg)
88.16+0.19-0.18
 --- 88.6±0.5 88.50±0.66 --- 86.58±0.63 --- --- ---
Tp
(days)
2459280.149+0.025-0.600
(BJD-TDB)
--- --- --- --- --- --- --- ---
ω
(deg)
-95.80+5.50-130.00
 --- --- --- --- --- --- --- ---
Mp sin i
(M⨁)
1.84+0.19-0.19
 --- --- --- 1.66±0.23 --- --- --- ---
Mp sin i
(MJup)
0.00578+0.00060-0.00059
 --- --- --- 0.00522±0.00072 --- --- --- ---
a
(au)
0.01570±0.00013 --- --- --- 0.0153±0.0005 0.01533±0.00053 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Weisserman et al. 2026 Bonfils et al. 2018
Mp sin i
(M⨁)
2.91±0.27 2.64±0.44
Mp sin i
(MJup)
0.00916±0.00085 0.00831±0.00138
e
<0.19 <0.27
P
(days)
8.9290±0.0008 8.929±0.010
K
(m/s)
2.69±0.25 2.57±0.39
TC
(days)
2457505.94±0.15
(BJD)
---
Teq
(K)
--- 300±5
a
(au)
--- 0.0476±0.0017
Print
Known Objects
2 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
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