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TOI-1806 Overview

  • Star: TOI-1806
    • Stellar Radius: 0.40 Solar Radius
    • Stellar Effective Temperature: 3272.00 K
    • Planet: TOI-1806 c
      • Disposition Confirmed
      • Planet Radius 0.118 Jupiter Radius
    • Planet: TOI-1806 d
      • Disposition Confirmed
      • Planet Radius 0.257 Jupiter Radius
    • Planet: TOI-1806.01
      • Disposition Confirmed
      • Planet Radius 0.304 Jupiter Radius

TOI-1806 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-1806
TOI-1806 c 0.5 d 1.32 R⨁ Transit 2026 Collier et al. 2026 Confirmed Planet
TOI-1806 d 8.2 d 2.88 R⨁ Transit 2026 Collier et al. 2026 Confirmed Planet
TOI-1806.01 15.15 d 3.41 R⨁ Transit 2024 Hord et al. 2024 Confirmed Planet
RA
11h04m28.36s
Dec
+30d27m30.87s
Distance
55.5211+0.2006-0.1992
pc
Parallax
17.982600±0.064363 mas
Ecliptic Latitude
22.50855 deg
Ecliptic Longitude
154.93042 deg
Galactic Latitude
66.38538 deg
Galactic Longitude
198.4566 deg
Total Proper Motion
168.204421±0.106672 mas/yr
Proper Motion (RA)
-163.272000±0.104972 mas/yr
Proper Motion (Dec)
-40.434900±0.131327 mas/yr
Photometry
mV 15.193±0.134
mTESS 12.6196000±0.0078072
mJ 10.929±0.018
mH 10.275±0.021
mKs 10.016±0.018
mW1 9.870±0.022
mW2 9.753±0.020
mW3 9.635±0.041
mW4 8.55
mGaia 13.927000±0.000589
mB 16.783±0.008
Abundances
(Hypatia Catalog)
[Fe/H] -0.45±0.04 dex
[Mg/H] -0.21±0.07 dex
[Si/H] -0.52±0.05 dex
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Hord et al. 2024 TICv8 ExoFOP ExoFOP ExoFOP
Teff
(K)
3272.0 3272.0±157.0 3272±157 3272±157 3272±157
R✶
(R⦿)
0.401575 0.4015750±0.0119287 0.401574999094009±0.011928700000000 0.401574999094009±0.011928700000000 0.401574999094009±0.011928700000000
log g
(log10(cm/s2))
4.82521 4.8252100±0.0034367 4.8252100±0.0034367 4.8252100±0.0034367 4.8252100±0.0034367
L✶
(log10(L⦿))
---
-1.77852+0.09787-0.12655
 --- --- ---
ρ✶
(g/cm3)
--- 8.561368±0.322213 --- --- ---
M✶
(M⦿)
0.392934566 0.3932580±0.0202403 --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Collier et al. 2026 ExoFOP
a/R✶
4.86±0.16 ---
e
0 ---
P
(days)
0.5018934+0.0000025-0.0000031
 0.501903071830712±0.000018703056000
Rp
(R⨁)
1.32+0.16-0.15
 1.84518623815888±0.24172047000000
Rp
(RJup)
0.118+0.014-0.013
 0.164616773598235±0.021564893050445
Rp/R✶
0.0302+0.0036-0.0032
 ---
TC
(days)
2458901.20602+0.00361-0.00261
(BJD)
2458899.69865900±0.00109721
(BJD)
Teq
(K)
--- 961.1999156055
S
(S⨁)
--- 201.732512596908
δ
(%)
--- 0.153656831347408±0.021142867000000
T14
(hours)
--- 0.947042252878761±0.172626730000000
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Collier et al. 2026 ExoFOP
Teq
(K)
--- 378.865465854749
S
(S⨁)
--- 4.86923890915487
P
(days)
8.196064+0.000050-0.000044
 8.19607576215462±0.00002919025800
Rp
(R⨁)
2.88+0.25-0.24
 2.76636579248788±1.19990380000000
Rp
(RJup)
0.257+0.022-0.021
 0.246799050380012±0.107048431263692
δ
(%)
--- 0.469953444717405±0.048035870000000
T14
(hours)
--- 1.48832265858591±0.42788842000000
TC
(days)
2458905.22781+0.00284-0.00366
(BJD)
2458905.22824900±0.00153916
(BJD)
a/R✶
31.31+1.03-1.11
 ---
e
0 ---
Rp/R✶
0.0659+0.0053-0.0052
 ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Hord et al. 2024 ExoFOP
Teq
(K)
337.4699143 308.700938363927
S
(S⨁)
2.1472967 2.1462128965214
P
(days)
15.1454693 15.1512050879928±0.0001357762500
Rp
(R⨁)
3.4095367±0.3512672 2.84117990121045±0.83051205000000
Rp
(RJup)
0.303848906±0.031304005 0.253473529596714±0.074093449906645
δ
(%)
--- 0.495530429195561±0.054735736000000
T14
(hours)
2.5830151 2.34381656278598±0.45733482000000
TC
(days)
--- 2458909.54341400±0.00226335
(BJD)
a/R✶
47.00309675 ---
Rp/R✶
0.077774848 ---
a
(au)
0.087735044 ---
Print
Known Objects
3 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
1 SuperWASP Time Series
3 Associated Literature Data
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