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TOI-451 Overview

TOI-451 0.88 R⦿ 5550.00 K
TOI-451 b
0.164 RJup
TOI-451 c
0.261 RJup
TOI-451 d
0.351 RJup
TOI-451 B 0.59 R⦿ 3507.50 K

TOI-451 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-451
TOI-451 b 1.86 d 1.84 R⨁ Transit 2020 Newton et al. 2021 Confirmed Planet
TOI-451 c 9.19 d 2.93 R⨁ Transit 2020 Newton et al. 2021 Confirmed Planet
TOI-451 d 16.36 d 3.93 R⨁ Transit 2020 Newton et al. 2021 Confirmed Planet
TOI-451 B
TOI-451
  • This reference contains discussion regarding the stellar multiplicity of this system. (Newton et al. 2021)
RA
04h11m51.93s
Dec
-37d56m23.03s
Distance
123.739+0.386-0.384
pc
Parallax
8.0526800±0.0249561 mas
Ecliptic Latitude
-57.51495 deg
Ecliptic Longitude
48.1282 deg
Galactic Latitude
-46.92998 deg
Galactic Longitude
240.54807 deg
Total Proper Motion
16.6680365±0.0479068 mas/yr
Proper Motion (RA)
-11.1667000±0.0392313 mas/yr
Proper Motion (Dec)
12.3745000±0.0539505 mas/yr
Photometry
mV
10.939±0.008
mTESS
10.2666±0.0061
mJ
9.636±0.024
mH
9.287±0.022
mKs
9.190±0.023
mW1
9.137±0.024
mW2
9.173±0.020
mW3
9.117±0.027
mW4
8.632±0.292
mGaia
10.749800±0.000849
mB
11.637±0.119
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Barragán et al. 2026 Newton et al. 2021 TICv8 Gaia DR2 ExoFOP ExoFOP ExoFOP
Teff
(K)
5490±115 5550±56
5481.000+129.757-125.405
5530.25+1495.08-181.08
 5481.0±127.6 5481.0±127.6 5481.0±127.6
L✶
(log10(L⦿))
-0.23+0.04-0.04
-0.189+0.021-0.022
-0.2246893+0.0133138-0.0137037
-0.231552+0.002321-0.002334
 --- --- ---
γ
(km/s)
--- 19.87±0.12 --- 18.539301255300±0.807389406091 --- --- ---
v sin i
(km/s)
8.70±0.96 7.9±0.5 --- --- --- --- ---
Age
(Gyr)
0.125±0.008 0.120 --- --- --- --- ---
ρ✶
(g/cm3)
1.84+0.20-0.22
1.824+0.086-0.124
2.1561179+0.5880794-0.3558839
 --- --- --- ---
M✶
(M⦿)
0.93±0.04 0.950±0.020
0.9600000+0.1247270-0.1248060
 --- --- --- ---
R✶
(R⦿)
0.85±0.03 0.879±0.032
0.8562260+0.0368397-0.0513714
0.8344240+0.0574490-0.3173620
 0.856226027011871±0.044105500000000 0.856226027011871±0.044105500000000 0.856226027011871±0.044105500000000
Prot
(days)
5.1±0.1 5.1±0.1 --- --- --- --- ---
log g
(log10(cm/s2))
4.53±0.22 ---
4.5551600+0.0744123-0.0849867
 --- 4.56±0.08 4.56±0.08 4.56±0.08
Metallicity
(dex)
0.02±0.06 [Fe/H] --- --- --- --- --- ---
Sp. T
G8 V --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Barragán et al. 2026 Newton et al. 2021 ExoFOP
Teq
(K)
1474+45-40
1491+23-19
 1309.62003531108
S
(S⨁)
786+101-82
 --- 695.187963124427
P
(days)
1.8587033+0.0000093-0.0000114
1.858703+0.000025-0.000035
 1.85866242291198±0.00001350601300
Rp
(R⨁)
1.84±0.11 1.91±0.12 1.93236572012875±1.87220880000000
Rp
(RJup)
0.164±0.010 0.170±0.011 0.172394419425555±0.167027569241867
δ
(%)
---
0.0396+0.0041-0.0042
 0.0497668349663653±0.0053357212000000
T14
(hours)
2.059+0.066-0.078
2.04+0.06-0.13
 2.05257967846067±0.42424858000000
TC
(days)
2460312.4427+0.0067-0.0090
(BJD-TDB)
2458410.9900+0.0056-0.0037
(BJD)
2458410.99932700±0.00124628
(BJD)
a/R✶
6.95+0.24-0.29
6.93+0.11-0.16
 ---
b
0.16+0.16-0.11
0.22+0.20-0.15
 ---
ω
(deg)
90 0 ---
e
0 0 ---
i
(deg)
88.7+0.9-1.4
88.2+1.2-1.7
 ---
Rp/R✶
0.01983±0.00072
0.0199+0.0010-0.0011
 ---
a
(au)
0.0274±0.0017
0.0283+0.0011-0.0012
 ---
Mp
(M⨁)
4.7+2.1-2.2
 --- ---
Mp
(MJup)
0.015+0.007-0.007
 --- ---
ρ
(g/cm3)
4.1+2.2-1.9
 --- ---
K
(m/s)
2.6+1.1-1.2
 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Barragán et al. 2026 Kokori et al. 2023 Newton et al. 2021 ExoFOP
a/R✶
20.18+0.70-0.85
20.12+0.31-0.47
20.12+0.31-0.47
 ---
i
(deg)
89.27+0.47-0.43
89.61+0.27-0.36
89.61+0.27-0.36
 ---
P
(days)
9.192463±0.000017 9.192402±0.000064
9.192522+0.000060-0.000100
 9.19107915062941±0.00009691549000
Rp/R✶
0.03166±0.00078 0.03237±0.00065
0.03237+0.00065-0.00070
 ---
TC
(days)
2460314.6376±0.0025
(BJD-TDB)
2459000.1144±0.0020
(BJD-TDB)
2458411.7956+0.0048-0.0026
(BJD)
2458411.80625300±0.00203154
(BJD)
Teq
(K)
865+27-24
 ---
875+13-11
 768.699587625849
b
0.26+0.14-0.16
 ---
0.139+0.121-0.096
 ---
ω
(deg)
90 --- 0 ---
e
0 --- 0 ---
Rp
(R⨁)
2.93±0.16 --- 3.10±0.13 2.72510061348243±0.87950623000000
Rp
(RJup)
0.261±0.014 --- 0.277±0.012 0.243117611352692±0.078464425404890
a
(au)
0.0795±0.0050 ---
0.0823+0.0033-0.0036
 ---
δ
(%)
--- ---
0.1048+0.0043-0.0045
 0.0940850021878492±0.0113352394000000
T14
(hours)
3.461+0.086-0.078
 --- 3.559±0.038 3.05567704479118±0.38808247000000
S
(S⨁)
93.0+12.0-10.0
 --- --- 82.5177911310157
Mp
(M⨁)
3.7+3.2-2.4
 --- --- ---
Mp
(MJup)
0.012+0.010-0.008
 --- --- ---
ρ
(g/cm3)
0.810+0.720-0.530
 --- --- ---
K
(m/s)
1.2+1.0-0.8
 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Barragán et al. 2026 Kokori et al. 2023 Newton et al. 2021 ExoFOP
a/R✶
29.6+1.0-1.3
29.56+0.46-0.69
29.56+0.46-0.69
 ---
i
(deg)
89.26±0.20
89.250+0.084-0.100
89.250+0.084-0.100
 ---
P
(days)
16.364962±0.000015 16.364909±0.000043 16.364988±0.000044 16.3648730373237±0.0000492121700
Rp/R✶
0.04243+0.00078-0.00073
 0.04246±0.00044 0.04246±0.00044 ---
TC
(days)
2460314.9694±0.0014
(BJD-TDB)
2458727.56733±0.00089
(BJD-TDB)
2458416.63478+0.00088-0.00092
(BJD)
2458416.63493900±0.00127569
(BJD)
Teq
(K)
714+22-19
 ---
722+11-9
 634.221952100063
S
(S⨁)
43.2+5.6-4.5
 --- --- 38.2371999320861
Rp
(R⨁)
3.93±0.20 --- 4.07±0.15 3.92483215869815±0.50988050000000
Rp
(RJup)
0.351±0.018 --- 0.363±0.013 0.350150675047389±0.045488569714461
δ
(%)
--- --- 0.1803±0.0037 0.207509441176443±0.013249250000000
T14
(hours)
4.094+0.050-0.045
 --- 4.097±0.024 4.04783015228481±0.20240912000000
b
0.3820+0.8500-0.0950
 ---
0.387+0.047-0.039
 ---
ω
(deg)
90 --- 0 ---
e
0 --- 0 ---
a
(au)
0.1168+0.0072-0.0074
 ---
0.1208+0.0048-0.0052
 ---
Mp
(M⨁)
10.2+4.6-4.5
 --- --- ---
Mp
(MJup)
0.0321+0.0145-0.0142
 --- --- ---
ρ
(g/cm3)
0.920+0.460-0.410
 --- --- ---
K
(m/s)
2.7±1.2 --- --- ---
Print
RA
04h11m49.17s
Dec
-37d56m42.03s
Distance
122.799+0.578-0.574
pc
Parallax
8.1147100±0.0379254 mas
Ecliptic Latitude
-57.51687 deg
Ecliptic Longitude
48.10897 deg
Galactic Latitude
-46.93912 deg
Galactic Longitude
240.55563 deg
Total Proper Motion
16.6632865±0.0737543 mas/yr
Proper Motion (RA)
-11.3140000±0.0635008 mas/yr
Proper Motion (Dec)
12.2335000±0.0815073 mas/yr
Photometry
mV
15.457±0.016
mTESS
13.143100±0.007473
mJ
11.642±0.024
mH
10.992±0.021
mKs
10.760±0.019
mW1
10.646±0.023
mW2
10.50±0.02
mW3
10.283±0.053
mW4
9.351
mGaia
14.357100±0.000673
mB
16.948±0.184
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Newton et al. 2021 TICv8 Gaia DR2
M✶
(M⦿)
0.45 0.550064±0.020275 ---
Sp. T
M3 V --- ---
Teff
(K)
--- 3418.0±157.0
3507.5+396.6-190.5
L✶
(log10(L⦿))
---
-1.42104+0.09495-0.12170
-1.31752+0.00466-0.00471
R✶
(R⦿)
--- 0.5553750±0.0164802
0.594149+0.070205-0.114588
ρ✶
(g/cm3)
--- 4.5270932±0.2364476 ---
log g
(log10(cm/s2))
--- 4.689310±0.009767 ---
Print
Known Objects
3 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
3 Associated Literature Data
Known Objects
3 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
3 Associated Literature Data
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  • False Positive Planet
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