TOI-1438 Overview
TOI-1438
0.82
R⦿
5374.00
K
TOI-1438 b
0.271
RJup
TOI-1438 c
0.245
RJup
- Architecture
- TOI-1438
- TOI-1438
- Other Data
- Bibliography 4
- Nearby Data 3
Discovery Data
| Host | Planet | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|
| TOI-1438 | TOI-1438 b | Transit | 2025 | Persson et al. 2025 | Confirmed Planet |
| TOI-1438 | TOI-1438 c | Transit | 2025 | Persson et al. 2025 | Confirmed Planet |
- RA
- 18h43m41.71s
- Dec
- +74d56m16.20s
- Distance
-
110.513+0.251-0.249pc
- Parallax
- 9.0197700±0.0203273 mas
- Ecliptic Latitude
- 80.91587 deg
- Ecliptic Longitude
- 71.8218 deg
- Galactic Latitude
- 26.62379 deg
- Galactic Longitude
- 106.04263 deg
- Total Proper Motion
- 58.0791829±0.0402544 mas/yr
- Proper Motion (RA)
- -23.08390±0.03932 mas/yr
- Proper Motion (Dec)
- 53.2947000±0.0404273 mas/yr
- Photometry
-
mV10.957±0.014
-
mTESS10.3237±0.0060
-
mJ9.584±0.018
-
mH9.191±0.017
-
mKs9.09±0.02
-
mW19.054±0.023
-
mW29.116±0.020
-
mW39.043±0.026
-
mW48.800±0.259
-
mGaia10.854900±0.000277
-
mB11.972±0.156
| Source | Persson et al. 2025 | TICv8 | MacDougall et al. 2023 | ExoFOP-TESS TOI | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
5230±60 |
5259.000+144.413-105.123
|
5237+56-55
|
5374±183 | 5374±183 | ||
|
R✶
(R⦿)
|
0.820±0.017 |
0.8159240+0.0585839-0.0330693
|
0.8172+0.0110-0.0125
|
0.8159239888191223±0.0458266000000000 | 0.82±0.05 | ||
|
log g
(log10(cm/s2))
|
4.50±0.07 |
4.5690100+0.1029850-0.0686037
|
4.561+0.014-0.019
|
5.960650±0.332801 | 5.960650±0.332801 | ||
|
L✶
(log10(L⦿))
|
-0.35+0.02-0.02
|
-0.3383927+0.0155964-0.0086457
|
-0.345+0.022-0.022
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
2.2±0.2 |
2.335927+0.627715-0.494664
|
2.2857+0.1006-0.1270
|
--- | --- | ||
|
M✶
(M⦿)
|
0.876±0.038 |
0.9000000+0.1049580-0.1190010
|
0.8859+0.0186-0.0213
|
--- | --- | ||
|
Metallicity
(dex)
|
0.03±0.06 [Fe/H] | --- | 0.0830±0.0520 [Fe/H] | --- | --- | ||
|
Age
(Gyr)
|
--- | --- |
2.2+2.2-1.5
|
--- | --- | ||
|
γ
(km/s)
|
-29.40±0.34 | --- | --- | --- | --- | ||
|
v sin i
(km/s)
|
1.8±0.9 | --- | --- | --- | --- | ||
|
CAII LOG RHK
|
-4.925±0.013 | --- | --- | --- | --- | ||
|
Sp. T
|
K0 V | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Persson et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
Teq
(K)
|
971±11 | 883.376522898407 | ||
|
S
(S⨁)
|
145±10 | 143.91445383090806 | ||
|
P
(days)
|
5.139670±0.000003 | 5.1396666±0.0000043 | ||
|
Rp
(R⨁)
|
3.04±0.19 | 2.259057016839377±1.784941000000000 | ||
|
Rp
(RJup)
|
0.271±0.017 | 0.2015399149397569±0.1592420441940809 | ||
|
δ
(%)
|
--- | 0.0769599682397961±0.0044599945000000 | ||
|
T14
(hours)
|
1.04+0.05-0.03
|
0.8991981095838988±0.1500002400000000 | ||
|
TC
(days)
|
2458683.6256±0.0007 | 2460641.8398470±0.0008282 | ||
|
a/R✶
|
14.5±0.4 | --- | ||
|
b
|
0.956±0.004 | --- | ||
|
ω
(deg)
|
90 | --- | ||
|
Mp
(M⨁)
|
9.40±1.80 | --- | ||
|
Mp
(MJup)
|
0.0296±0.0057 | --- | ||
|
e
|
0 | --- | ||
|
i
(deg)
|
86.21+0.12-0.11
|
--- | ||
|
ρ
(g/cm3)
|
1.8±0.5 | --- | ||
|
Rp/R✶
|
0.03410±0.00130 | --- | ||
|
K
(m/s)
|
3.8±0.7 | --- | ||
|
a
(au)
|
0.0553±0.0015 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Persson et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
21.6+0.7-0.6
|
--- | ||
|
Teq
(K)
|
794±9 | 623 | ||
|
b
|
0.902+0.009-0.008
|
--- | ||
|
S
(S⨁)
|
65±4 | 25.1545 | ||
|
ω
(deg)
|
90 | --- | ||
|
Mp
(M⨁)
|
10.6±2.1 | --- | ||
|
Mp
(MJup)
|
0.0334±0.0066 | --- | ||
|
e
|
0 | --- | ||
|
i
(deg)
|
87.61+0.10-0.08
|
--- | ||
|
P
(days)
|
9.428089±0.000001 | 9.4280902±0.0000120 | ||
|
ρ
(g/cm3)
|
2.9±0.7 | --- | ||
|
Rp
(R⨁)
|
2.75±0.14 | 2.491950±0.177478 | ||
|
Rp
(RJup)
|
0.245±0.012 | 0.2223173±0.0158336 | ||
|
Rp/R✶
|
0.0308±0.0008 | --- | ||
|
K
(m/s)
|
3.5±0.7 | --- | ||
|
a
(au)
|
0.083±0.003 | --- | ||
|
T14
(hours)
|
1.67±0.04 | 1.377±0.363 | ||
|
TC
(days)
|
2458689.9136±0.0014 | 2460632.1017350±0.0014598 | ||
|
δ
(%)
|
--- | 0.0799000±0.0067519 |
- Known Objects
- 2 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 2 Associated Literature Data
-
TOI-1438: A rare system with two short-period sub-Neptunes and a tentative long-period Jupiter-like planet orbiting a K0V star
Persson et al. 2025 | Reference Overview -
The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars
MacDougall et al. 2023 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI
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- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
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- External Link
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