TOI-1422 Overview
TOI-1422
1.02
R⦿
5840.00
K
TOI-1422 b
0.342
RJup
TOI-1422 c
0.233
RJup
- Architecture
- TOI-1422
- TOI-1422
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| TOI-1422 | TOI-1422 b | 13 d | 3.83 R⨁ | Transit | 2022 | Naponiello et al. 2022 | Confirmed Planet |
| TOI-1422 | TOI-1422 c | 34.56 d | 2.61 R⨁ | Radial Velocity | 2025 | Naponiello et al. 2025 | Confirmed Planet |
- RA
- 23h36m57.80s
- Dec
- +39d38m21.41s
- Distance
-
155.141+0.663-0.657pc
- Parallax
- 6.4169300±0.0272067 mas
- Ecliptic Latitude
- 38.02809 deg
- Ecliptic Longitude
- 13.41963 deg
- Galactic Latitude
- -21.01388 deg
- Galactic Longitude
- 107.66141 deg
- Total Proper Motion
- 74.3569650±0.0394078 mas/yr
- Proper Motion (RA)
- -67.5467000±0.0409829 mas/yr
- Proper Motion (Dec)
- -31.0870000±0.0309057 mas/yr
- Photometry
-
mV10.622±0.007
-
mTESS10.1308±0.0060
-
mJ9.585±0.022
-
mH9.275±0.030
-
mKs9.190±0.022
-
mW19.161±0.023
-
mW29.201±0.020
-
mW39.161±0.033
-
mW48.736
-
mGaia10.552100±0.000231
-
mB11.312±0.105
| Source | Naponiello et al. 2025 | MacDougall et al. 2023 | Naponiello et al. 2022 | TICv8 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
--- |
5811+82-81
|
5840±62 |
5914.000+127.414-123.264
|
5914.0±125.3 | ||
|
L✶
(log10(L⦿))
|
--- |
0.03302+0.02502-0.02485
|
0.04766+0.01417-0.01464
|
0.049364572+0.016263274-0.010771828
|
--- | ||
|
Metallicity
(dex)
|
--- |
-0.028+0.060-0.061
[Fe/H]
|
-0.090±0.070 [Fe/H] | --- | --- | ||
|
v sin i
(km/s)
|
--- | --- | 1.7±0.4 | --- | --- | ||
|
Age
(Gyr)
|
--- |
4.6+2.0-1.8
|
5.1+3.9-3.1
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
1.277±0.088 |
1.2921+0.0937-0.0905
|
1.3±0.1 |
1.479993+0.356996-0.276470
|
--- | ||
|
M✶
(M⦿)
|
--- |
0.99030+0.03580-0.03550
|
0.9810+0.0620-0.0650
|
1.076000+0.141979-0.141928
|
--- | ||
|
R✶
(R⦿)
|
--- |
1.0235+0.0183-0.0182
|
1.019+0.014-0.013
|
1.0082600+0.0530166-0.0402498
|
1.00826001167297±0.04663320000000 | ||
|
CAII LOG RHK
|
-4.942±0.005 | --- | -4.95±0.03 | --- | --- | ||
|
log g
(log10(cm/s2))
|
--- |
4.412+0.024-0.025
|
4.41±0.11 |
4.4627400+0.0705612-0.0869121
|
4.46±0.08 | ||
|
Sp. T
|
G2 V | --- | G2 V | --- | --- | ||
|
γ
(km/s)
|
-25.948+0.007-0.006
|
--- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit, Transit Timing Variations
| Source | Naponiello et al. 2025 | Polanski et al. 2024 | Naponiello et al. 2022 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|---|
|
Teq
(K)
|
870±14 |
789.513400461020+14.010926695442-13.873012853465
|
867±17 | 786.683425282818 | ||
|
S
(S⨁)
|
--- | --- | --- | 90.5150930081881 | ||
|
P
(days)
|
12.99894±0.00003 | 12.9967±0.0017 | 12.9972±0.0006 | 13.001789009595±0.000044874934 | ||
|
Rp
(R⨁)
|
3.83±0.11 |
3.93681551038216+0.14658324488701-0.12572707870721
|
3.96+0.13-0.11
|
3.84804999005971±0.39724190000000 | ||
|
Rp
(RJup)
|
0.342±0.010 |
0.351219759918238+0.013077303709428-0.011216637986290
|
0.353+0.012-0.010
|
0.343300616982926±0.035439609598043 | ||
|
δ
(%)
|
--- | --- | --- | 0.133958376636582±0.007192465000000 | ||
|
T14
(hours)
|
4.46±0.12 |
4.43600285587146+0.11241208684048-0.08567370504419
|
4.52±0.16 | 4.48473217259691±0.22194713000000 | ||
|
TC
(days)
|
2458745.9405+0.0023-0.0021
(BJD)
|
2458745.9221±0.0035
(BJD)
|
2458745.9205+0.0012-0.0011
(BJD)
|
2459864.0637590±0.0046431
(BJD)
|
||
|
a/R✶
|
22.51+0.50-0.53
|
--- |
22.72+0.31-0.40
|
--- | ||
|
b
|
0.19±0.12 |
0.298654223432256+0.265313704720273-0.208779929688570
|
0.19+0.11-0.10
|
--- | ||
|
ω
(deg)
|
90 | 90 |
153+20-56
|
--- | ||
|
Mp
(M⨁)
|
9.50+2.00-1.90
|
12.1±4.5 |
9.00+2.30-2.00
|
--- | ||
|
Mp
(MJup)
|
0.0299+0.0063-0.0060
|
0.0381±0.0142 |
0.0283+0.0072-0.0063
|
--- | ||
|
e
|
<0.20 | 0 |
0.04+0.05-0.03
|
--- | ||
|
i
(deg)
|
89.53+0.30-0.31
|
--- |
89.52+0.26-0.28
|
--- | ||
|
ρ
(g/cm3)
|
0.930+0.210-0.200
|
1.08+0.42-0.50
|
0.7950+0.2900-0.2350
|
--- | ||
|
K
(m/s)
|
2.64+0.54-0.53
|
3.3±1.2 |
2.47+0.50-0.46
|
--- | ||
|
a
(au)
|
0.107±0.003 | 0.108±0.002 | 0.108±0.003 | --- | ||
|
Rp/R✶
|
--- |
0.0352651476863495+0.0011519656747911-0.0009349951649938
|
0.0356+0.0007-0.0005
|
--- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
- Tools
- Planetary Systems
- Transit
| Source | Naponiello et al. 2025 |
|---|---|
|
a/R✶
|
43.20+0.97-1.02
|
|
Teq
(K)
|
628±10 |
|
b
|
0.17+0.14-0.12
|
|
ω
(deg)
|
90 |
|
Mp
(M⨁)
|
14±3 |
|
Mp
(MJup)
|
0.044±0.009 |
|
e
|
<0.20 |
|
i
(deg)
|
89.77+0.15-0.19
|
|
P
(days)
|
34.5633±0.0002 |
|
ρ
(g/cm3)
|
4.3+1.3-1.0
|
|
Rp
(R⨁)
|
2.61±0.14 |
|
Rp
(RJup)
|
0.233±0.012 |
|
K
(m/s)
|
2.80±0.59 |
|
a
(au)
|
0.205±0.005 |
|
T14
(hours)
|
6.12±0.18 |
|
TC
(days)
|
2458756.3525+0.0062-0.0057
(BJD)
|
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
A 34.6-day transiting sub-Neptune in the TOI-1422 planetary system
Naponiello et al. 2025 | Reference Overview -
The TESS-Keck Survey. XX. 15 New TESS Planets and a Uniform RV Analysis of All Survey Targets
Polanski et al. 2024 | Reference Overview -
The TESS-Keck Survey. XV. Precise Properties of 108 TESS Planets and Their Host Stars
MacDougall et al. 2023 | Reference Overview -
The GAPS Programme at TNG XL: A puffy and warm Neptune-sized planet and an outer Neptune-mass candidate orbiting the solar-type star TOI-1422
Naponiello et al. 2022 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
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