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TOI-426 Overview

  • Star: TOI-426
    • Stellar Radius: 0.99 Solar Radius
    • Stellar Effective Temperature: 5731.00 K
    • Planet: TOI-426 b
      • Disposition Confirmed
      • Planet Radius 0.195 Jupiter Radius
    • Planet: TOI-426 c
      • Disposition Confirmed

TOI-426 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-426
TOI-426 b 1.32 d 2.19 R⨁ Transit 2026 Castro-González et al. 2026 Confirmed Planet
TOI-426 c 235.8 d > 444 M⨁ Radial Velocity 2026 Castro-González et al. 2026 Confirmed Planet
RA
05h16m24.53s
Dec
-15d30m36.87s
Distance
113.590+0.427-0.423
pc
Parallax
8.7747700±0.0327102 mas
Ecliptic Latitude
-38.44208 deg
Ecliptic Longitude
76.54655 deg
Galactic Latitude
-27.86702 deg
Galactic Longitude
216.88748 deg
Total Proper Motion
26.1639866±0.0614162 mas/yr
Proper Motion (RA)
5.4564300±0.0517935 mas/yr
Proper Motion (Dec)
-25.5887000±0.0618181 mas/yr
Photometry
mV 10.116±0.005
mTESS 9.59689±0.00620
mJ 8.995±0.026
mH 8.769±0.053
mKs 8.584±0.020
mGaia 10.040900±0.000643
mB 10.901±0.075
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Castro-González et al. 2026 TICv8 ExoFOP
Teff
(K)
5750±62
5731.000+138.701-109.024
 5731.0±123.9
L✶
(log10(L⦿))
-0.022+0.012-0.013
-0.02176300+0.01236750-0.01269938
 ---
ρ✶
(g/cm3)
1.491+0.093-0.103
1.489735+0.358361-0.235523
 ---
M✶
(M⦿)
1.00±0.02
1.0230000+0.1583970-0.0911366
 ---
R✶
(R⦿)
0.990±0.030
0.98926000+0.04810350-0.04470050
 0.989260017871857±0.046402000000000
log g
(log10(cm/s2))
4.43±0.11
4.4573200+0.0807331-0.0631328
 4.46±0.07
Metallicity
(dex)
0.16±0.04 [Fe/H] --- ---
γ
(km/s)
-13.99±0.23 --- ---
v sin i
(km/s)
3.5±0.1 --- ---
Age
(Gyr)
1.57+1.70-0.61
 --- ---
S Index
0.3286±0.0052 --- ---
Sp. T
G2 V --- ---
Prot
(days)
12.37+0.10-0.09
 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Castro-González et al. 2026 ExoFOP
a/R✶
5.16+0.11-0.12
 ---
Teq
(K)
1790+28-27
 1632.16173531093
b
0.269+0.093-0.133
 ---
S
(S⨁)
1711+109-100
 1677.15719472071
Mp
(M⨁)
6.7±1.8 ---
Mp
(MJup)
0.021±0.006 ---
i
(deg)
87.0±1.2 ---
P
(days)
1.32050258+0.00000075-0.00000084
 1.32050371000698±0.00001212358400
ρ
(g/cm3)
3.52+1.10-1.00
 ---
Rp
(R⨁)
2.19±0.09 2.16117345058722±2.41972060000000
Rp
(RJup)
0.195±0.008 0.192807313031346±0.215873384455020
Rp/R✶
0.02028±0.00053 ---
K
(m/s)
3.9+1.0-1.1
 ---
a
(au)
0.02374±0.00088 ---
δ
(%)
0.0411±0.0021 0.0469453748148441±0.0068435510000000
T14
(hours)
1.93+0.07-0.08
 2.01555193258731±0.47143160000000
TC
(days)
2458438.52836+0.00084-0.00077
(BJD)
2458438.52406600±0.00110669
(BJD)
Print
Status
Confirmed Planet
Detected By
Radial Velocity
Tools
Planetary Systems
Source Castro-González et al. 2026
a/R✶
162.9+5.8-5.4
Teq
(K)
319.2±7.2
S
(S⨁)
1.73±0.16
Mp sin i
(M⨁)
444+18-17
Mp sin i
(MJup)
1.40+0.06-0.05
P
(days)
235.8+9.2-8.5
K
(m/s)
45.9±1.4
a
(au)
0.747±0.019
TC
(days)
2459798.2+5.6-6.3
(BJD)
Print
Known Objects
2 Confirmed Planets
4 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
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  • Aliases
  • Data Access
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  • Kepler | K2
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