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TOI-4438 Overview

TOI-4438 0.38 R⦿ 3353.00 K
TOI-4438 b
0.214 RJup

TOI-4438 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-4438
TOI-4438 b 7.45 d 2.4 R⨁ Transit 2024 Goffo et al. 2024 Confirmed Planet
RA
18h01m16.14s
Dec
+35d35m41.64s
Distance
30.0346±0.0233 pc
Parallax
33.2660000±0.0256476 mas
Ecliptic Latitude
59.03363 deg
Ecliptic Longitude
270.4975 deg
Galactic Latitude
24.9965 deg
Galactic Longitude
61.79465 deg
Total Proper Motion
572.2108933±0.0490796 mas/yr
Proper Motion (RA)
29.1092000±0.0428259 mas/yr
Proper Motion (Dec)
-571.4700000±0.0490948 mas/yr
Photometry
mV
13.690±0.045
mTESS
11.2695000±0.0073086
mJ
9.695±0.021
mH
9.128±0.016
mKs
8.869±0.018
mGaia
12.519600±0.000337
mB
15.220±0.121
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Serrano Bell et al. 2026 Peláez-Torres et al. 2024 Goffo et al. 2024 TICv8 ExoFOP
Teff
(K)
3501±70 3353±157 3422±81 3353.0±157.0 3353±157
L✶
(log10(L⦿))
-1.768+0.002-0.002
-1.7935+0.0962-0.1238
-1.768+0.002-0.002
-1.79352+0.09617-0.12371
 ---
ρ✶
(g/cm3)
--- ---
10.1+1.7-1.4
 9.664684±0.322123 ---
M✶
(M⦿)
0.345±0.018 0.3640±0.0202 0.368±0.021 0.3639960±0.0201927 ---
R✶
(R⦿)
0.365+0.012-0.014
 0.376±0.011 0.372±0.018 0.3758590±0.0111301 0.375858992338181±0.011130100000000
log g
(log10(cm/s2))
4.67±0.11 >4.5 4.68±0.04 4.8491100±0.0016113 4.84911000±0.00161128
Metallicity
(dex)
0.070±0.100 [M/H] --- -0.19±0.05 [Fe/H] --- ---
γ
(km/s)
--- --- -35.81±0.47 --- ---
v sin i
(km/s)
--- --- <2 --- ---
Age
(Gyr)
4.8±1.7 --- 5.1±2.8 --- ---
Sp. T
M3.5 V M M3.5 V --- ---
Prot
(days)
77.6+0.9-1.6
 --- 68±6 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Atmospheric Spectroscopy
Source Serrano Bell et al. 2026 Peláez-Torres et al. 2024 Goffo et al. 2024 ExoFOP
Teq
(K)
446+8-9
 435±15 435±15 392.843947064714
b
0.16+0.16-0.11
0.25+0.19-0.18
0.39+0.16-0.24
 ---
S
(S⨁)
--- ---
6.00+0.90-0.77
 5.62861139341486
ω
(deg)
-86.0+86.0-63.0
 ---
-70.0+36.0-32.0
 ---
Mp
(M⨁)
4.11+0.40-0.38
 --- 5.4±1.1 ---
Mp
(MJup)
0.0129+0.0013-0.0012
 --- 0.017±0.003 ---
e
0.070+0.070-0.050
 --- 0.14±0.09 ---
i
(deg)
89.7+0.2-0.3
89.51+0.36-0.44
89.34+0.39-0.21
 ---
P
(days)
7.446295±0.000006
7.446300+0.000008-0.000009
 7.446280±0.000009 7.44630337680409±0.00002302009300
ρ
(g/cm3)
1.65+0.26-0.23
 ---
1.85+0.51-0.44
 ---
Rp
(R⨁)
2.40+0.09-0.10
 2.49±0.13 2.52±0.13 2.40486443504248±0.30863930000000
Rp
(RJup)
0.214+0.008-0.009
 0.222±0.012 0.225±0.012 0.214548003909265±0.027535001465387
Rp/R✶
0.060±0.001
0.0643+0.0052-0.0022
 0.062±0.001 ---
K
(m/s)
2.75+0.24-0.23
 --- 3.50±0.72 ---
a
(au)
0.0523±0.0009
0.0511+0.0015-0.0037
 0.0534±0.0037 ---
T14
(hours)
1.92+0.07-0.10
 ---
2.021+0.033-0.025
 2.00331377616967±0.15890975000000
TC
(days)
2459396.41069±0.00060
(BJD)
2459396.4107±0.0006
(BJD)
2459396.41168±0.00065
(BJD-TDB)
2459396.40957800±0.00075457
(BJD)
a/R✶
---
29.22+0.87-2.14
 --- ---
δ
(%)
--- --- --- 0.404572417847442±0.012828719000000
Print
Known Objects
1 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
1 Associated Literature Data
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