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TOI-209 Overview

TOI-209 0.74 R⦿ 4916.00 K
TOI-209 b
0.214 RJup

TOI-209 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-209
TOI-209 b 4.38 d 2.39 R⨁ Transit 2026 Lafarga et al. 2026 Confirmed Planet
RA
01h17m34.60s
Dec
-66d54m11.04s
Distance
113.387+0.274-0.271
pc
Parallax
8.7904000±0.0210319 mas
Ecliptic Latitude
-63.60565 deg
Ecliptic Longitude
326.33921 deg
Galactic Latitude
-50.02248 deg
Galactic Longitude
298.94742 deg
Total Proper Motion
138.9760870±0.0330036 mas/yr
Proper Motion (RA)
-12.6190000±0.0579334 mas/yr
Proper Motion (Dec)
-138.4020000±0.0327168 mas/yr
Photometry
mV
11.671±0.080
mTESS
10.8545±0.0060
mJ
10.018±0.024
mH
9.552±0.025
mKs
9.423±0.022
mW1
9.373±0.023
mW2
9.451±0.020
mW3
9.347±0.032
mW4
8.631±0.295
mGaia
11.444300±0.000287
mB
12.582±0.008
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Lafarga et al. 2026 TICv8 ExoFOP
Teff
(K)
4806.664
4916.000+144.286-122.410
 4892±179
L✶
(log10(L⦿))
---
-0.5371385+0.0180748-0.0140435
 ---
ρ✶
(g/cm3)
6.80880944203132+2.14052330846775-3.77110416927221
2.786578+0.629557-0.887167
 ---
M✶
(M⦿)
---
0.8100000+0.1139100-0.0904785
 ---
R✶
(R⦿)
0.742779
0.7427790+0.0533809-0.0475739
 0.742779016494751±0.050477400000000
log g
(log10(cm/s2))
4.5422
4.6048300+0.0746827-0.1135720
 4.50955±2.00346
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Lafarga et al. 2026 ExoFOP
Teq
(K)
--- 845.782333952054
S
(S⨁)
--- 120.93595557307
P
(days)
4.3794358744487454+0.0000172317150904-0.0000172824989786
 4.37942977855793±0.00000703505750
Rp
(R⨁)
2.394720898141405+0.222295684717233-0.196184341585178
 2.31490880264242±1.92529150000000
Rp
(RJup)
0.2136430566020517+0.0198319267975217-0.0175024247820480
 0.206522686103155±0.171763298691379
δ
(%)
--- 0.0969695761580105±0.0058597070000000
T14
(hours)
1.6504344596343192+0.0996155634973392-0.0738371552374296
 1.66393541112462±0.31683040000000
TC
(days)
2459070.38747492+0.00164275-0.00161227
(BJD)
2458325.88483900±0.00099629
(BJD)
a/R✶
19.041027179933401+1.816530562577331-4.491540968766238
 ---
b
0.4168580979901334+0.3141118882512078-0.2854892612500506
 ---
i
(deg)
88.765836381584862+0.868848396327792-1.637768913831238
 ---
Rp/R✶
0.0295225872787950+0.0019646711995878-0.0016354389372231
 ---
Print
Known Objects
1 Confirmed Planets
2 2MASS Point Source Catalog
Data Files
3 SuperWASP Time Series
1 Associated Literature Data
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