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TOI-1839 Overview

  • Star: TOI-1839
    • Stellar Radius: 0.85 Solar Radius
    • Stellar Effective Temperature: 5382.69 K
    • Planet: TOI-1839 b
      • Disposition Confirmed
      • Planet Radius 0.203 Jupiter Radius
    • Planet: TOI-1839 c
      • Disposition Confirmed
      • Planet Radius 0.223 Jupiter Radius

TOI-1839 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
TOI-1839
TOI-1839 b 1.42 d 2.27 R⨁ Transit 2026 Lafarga et al. 2026 Confirmed Planet
TOI-1839 c 4.02 d 2.5 R⨁ Transit 2026 Lafarga et al. 2026 Confirmed Planet
TOI-1839 b TOI-1839 c
RA
13h07m19.95s
Dec
+05d51m07.36s
Distance
116.086+0.567-0.563
pc
Parallax
8.5856900±0.0416269 mas
Ecliptic Latitude
12.01317 deg
Ecliptic Longitude
193.22003 deg
Galactic Latitude
68.39022 deg
Galactic Longitude
313.72034 deg
Total Proper Motion
62.7112104±0.0558221 mas/yr
Proper Motion (RA)
-12.9374000±0.0911977 mas/yr
Proper Motion (Dec)
-61.3622000±0.0537114 mas/yr
Photometry
mV 10.900±0.011
mTESS 10.2173±0.0061
mJ 9.559±0.026
mH 9.208±0.029
mKs 9.038±0.021
mW1 9.018±0.022
mW2 9.077±0.019
mW3 9.031±0.032
mW4 8.887±0.465
mGaia 10.727400±0.000336
mB 11.726±0.148
mg 11.2903000±0.0003749
mi 10.561900±0.000539
mr 10.7548000±0.0006186
mu 14.9503000±0.0083721
mz 13.0890000±0.0123065
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Castro-González et al. 2026 Lafarga et al. 2026 TICv8 ExoFOP
Teff
(K)
5347±67 5315.9067
5382.690+162.439-129.988
 5382.690±146.214
R✶
(R⦿)
0.89±0.03 0.848099
0.8480990+0.0613819-0.0483166
 0.848098993301392±0.054849200000000
log g
(log10(cm/s2))
4.35±0.12 4.5126
4.5515200+0.1029520-0.0823932
 4.5515200±0.0926726
L✶
(log10(L⦿))
-0.264+0.011-0.015
 ---
-0.2644143+0.0111371-0.0153556
 ---
Metallicity
(dex)
0.090±0.050 [Fe/H] --- 0.252±0.022 [M/H] ---
ρ✶
(g/cm3)
1.718+0.134-0.140
1.57197684435508+1.65433801117376-1.22614592519944
2.158599+0.694502-0.436565
 ---
M✶
(M⦿)
0.86±0.01 ---
0.9340000+0.1155390-0.1336530
 ---
γ
(km/s)
-8.16±0.36 --- --- ---
v sin i
(km/s)
1.4±0.1 --- --- ---
Age
(Gyr)
4.1+1.6-1.4
 --- --- ---
S Index
0.2477±0.0054 --- --- ---
Sp. T
G9 V --- --- ---
Prot
(days)
24.00+0.47-0.46
 --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Castro-González et al. 2026 Lafarga et al. 2026 ExoFOP
Teq
(K)
1585±33 --- 1405.34975257206
S
(S⨁)
1051+91-86
 --- 921.846662973458
P
(days)
1.4237828±0.0000045
1.423784409065430+0.000007744713522-0.000008627845558
 1.42380665982722±0.00000670963800
Rp
(R⨁)
2.27±0.10
2.218950970583888+0.257680411191784-0.214072499112629
 2.6855348175608±0.2759538300000
Rp
(RJup)
0.203±0.009
0.1979618869879835+0.0229887460856975-0.0190983020528021
 0.23958778139040±0.02461899412495
δ
(%)
0.0546+0.0035-0.0034
 --- 0.0721045857132951±0.0062314243000000
T14
(hours)
1.91+0.07-0.08
1.7875652000400866+0.1474509196673112-0.4099963468761116
 1.50095845538354±0.13449283000000
TC
(days)
2459690.2390+0.0010-0.0012
(BJD)
2458938.48301058+0.00377800-0.00343610
(BJD)
2459690.2416430±0.0025679
(BJD)
a/R✶
5.69±0.15
5.4895612860475804+0.8219299482541187-1.3496316300451774
 ---
b
0.208+0.136-0.137
0.4722291956760089+0.2945443095696154-0.3542931174482212
 ---
Mp
(M⨁)
7.10±0.78 --- ---
Mp
(MJup)
0.0223±0.0025 --- ---
i
(deg)
87.80+1.20-1.32
85.13206203761962+3.30104919410165-5.68875737124573
 ---
ρ
(g/cm3)
3.34+0.64-0.54
 --- ---
Rp/R✶
0.02337±0.00074
0.0239753762762423+0.0022762184347580-0.0017903162055717
 ---
K
(m/s)
4.44+0.46-0.45
 --- ---
a
(au)
0.02355±0.00009 --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
Transit
Source Castro-González et al. 2026 Lafarga et al. 2026
a/R✶
11.37±0.30
11.040112768562263+2.989915219428569-4.375451682887992
Teq
(K)
1121±24 ---
b
0.312+0.138-0.205
0.6084218738804664+0.2762981498475781-0.3352547316536233
S
(S⨁)
263+23-21
 ---
Mp
(M⨁)
6.0±1.1 ---
Mp
(MJup)
0.019±0.003 ---
i
(deg)
88.39+0.80-0.84
86.895796967286458+2.170996353109444-4.472221550226052
P
(days)
4.0239478+0.0000036-0.0000034
4.023938542071298+0.000038235317408-0.000037720549321
ρ
(g/cm3)
2.11+0.56-0.47
 ---
Rp
(R⨁)
2.50±0.13
2.4086724555801866+0.4263890324398147-0.2689281822234028
Rp
(RJup)
0.223±0.012
0.21488773333155856+0.03803994706136078-0.02399220673324942
Rp/R✶
0.02570+0.00107-0.00104
0.0258976484427652+0.0044644551767675-0.0023359233591927
K
(m/s)
2.67±0.50 ---
a
(au)
0.04708±0.00018 ---
δ
(%)
0.0660+0.0055-0.0053
 ---
T14
(hours)
2.63+0.13-0.20
2.3034727437837983+0.3133529368722600-0.4673681464477717
TC
(days)
2458933.7337+0.0055-0.0045
(BJD)
2459690.23538058+0.00523615-0.00470755
(BJD)
Print
Known Objects
2 Confirmed Planets
1 2MASS Point Source Catalog
Data Files
2 Associated Literature Data
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