TOI-2427 Overview
-
Star:
TOI-2427
- Stellar Radius: 0.68 Solar Radius
- Stellar Effective Temperature: 4072.00 K
-
Planet:
TOI-2427 b
- Disposition Confirmed
- Planet Radius 0.146 Jupiter Radius
-
Planet:
TOI-2427 c
- Disposition Confirmed
TOI-2427 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| TOI-2427 | ||||||
| TOI-2427 b | 1.31 d | 1.64 R⨁ | Transit | 2022 | Giacalone et al. 2022 | Confirmed Planet |
| TOI-2427 c | 5.15 d | > 6.46 M⨁ | Radial Velocity | 2025 | Schmerling et al. 2025 | Confirmed Planet |
- RA
- 03h29m10.02s
- Dec
- -31d21m46.32s
- Distance
- 28.5147±0.0278 pc
- Parallax
- 35.0407000±0.0339887 mas
- Ecliptic Latitude
- -48.26435 deg
- Ecliptic Longitude
- 38.31672 deg
- Galactic Latitude
- -55.51629 deg
- Galactic Longitude
- 229.60791 deg
- Total Proper Motion
- 156.041493±0.043853 mas/yr
- Proper Motion (RA)
- 150.453000±0.041922 mas/yr
- Proper Motion (Dec)
- 41.3865000±0.0641258 mas/yr
- Photometry
- mV 10.295±0.011
- mTESS 9.0138±0.0060
- mJ 7.889±0.026
- mH 7.225±0.033
- mKs 7.048±0.024
- mW1 6.971±0.054
- mW2 7.035±0.021
- mW3 6.971±0.016
- mW4 6.908±0.065
- mGaia 9.81845±0.00054
- mB 11.688±0.071
| Source | Schmerling et al. 2025 | Giacalone et al. 2022 | TICv8 | ExoFOP | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
4203±110 | 4072±121 |
4072.000+107.458-134.343
|
4072.0±120.9 | ||
|
L✶
(log10(L⦿))
|
-0.959+0.045-0.050
|
--- |
-0.9424423+0.0318019-0.0311642
|
--- | ||
|
ρ✶
(g/cm3)
|
3.36+0.40-0.42
|
--- |
2.883349+1.112268-0.778565
|
--- | ||
|
M✶
(M⦿)
|
0.639+0.021-0.020
|
0.64±0.02 |
0.6400000+0.0583023-0.0999790
|
--- | ||
|
R✶
(R⦿)
|
0.648+0.036-0.015
|
0.65±0.02 |
0.6789160+0.0732045-0.0566950
|
0.68±0.06 | ||
|
log g
(log10(cm/s2))
|
4.62±0.12 | 4.62±0.03 |
4.580620+0.101855-0.116449
|
4.58±0.11 | ||
|
Metallicity
(dex)
|
-0.210±0.093 [Fe/H] | --- | --- | --- | ||
|
v sin i
(km/s)
|
2.80±0.93 | --- | --- | --- | ||
|
Age
(Gyr)
|
1.58±0.14 | --- | --- | --- | ||
|
CAII LOG RHK
|
-4.86±0.06 | --- | --- | --- | ||
|
Sp. T
|
K7 V | --- | --- | --- | ||
|
Prot
(days)
|
28±1 | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Schmerling et al. 2025 | Giacalone et al. 2022 | ExoFOP | ||
|---|---|---|---|---|---|
|
Teq
(K)
|
1147.8+39.0-37.5
|
1117±46 | 783 | ||
|
b
|
0.854+0.026-0.036
|
0.87±0.02 | --- | ||
|
P
(days)
|
1.305962+0.000071-0.000070
|
1.3060011±0.0000102 | 1.30613±0.00014 | ||
|
Rp
(R⨁)
|
1.64+0.12-0.11
|
1.80±0.12 | 1.998440±0.411218 | ||
|
Rp
(RJup)
|
0.146+0.011-0.010
|
0.161±0.011 | 0.1782892±0.0366865 | ||
|
a
(au)
|
0.0202+0.0013-0.0012
|
0.0202±0.0002 | --- | ||
|
TC
(days)
|
2459169.61992+0.00082-0.00083
(BJD-TDB)
|
2459169.6202±0.0004
(BJD)
|
2459169.61994±0.00142
(BJD)
|
||
|
a/R✶
|
6.72+0.26-0.29
|
--- | --- | ||
|
Tp
(days)
|
2459169.61+0.19-0.21
(BJD-TDB)
|
--- | --- | ||
|
S
(S⨁)
|
289.2+41.4-36.0
|
--- | 62.7136 | ||
|
ω
(deg)
|
76.60+48.10-101.10
|
--- | --- | ||
|
Mp
(M⨁)
|
5.69+0.51-0.50
|
--- | --- | ||
|
Mp
(MJup)
|
0.0179+0.0016-0.0016
|
--- | --- | ||
|
e
|
0.0740+0.0760-0.0520
|
--- | --- | ||
|
i
(deg)
|
82.27+0.52-0.66
|
--- | --- | ||
|
ρ
(g/cm3)
|
7.1+1.8-1.4
|
--- | --- | ||
|
Rp/R✶
|
0.0232±0.0012 | --- | --- | ||
|
K
(m/s)
|
4.47±0.39 | --- | --- | ||
|
T14
(hours)
|
0.804±0.027 | --- | 0.634±0.258 | ||
|
δ
(%)
|
--- | --- | 0.05600000±0.00237661 |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity
- Tools
- Planetary Systems
| Source | Schmerling et al. 2025 |
|---|---|
|
a/R✶
|
16.75±0.40 |
|
Tp
(days)
|
2459472.74+1.66-1.99
(BJD-TDB)
|
|
ω
(deg)
|
-21.20+152.00-90.20
|
|
Mp sin i
(M⨁)
|
6.46+0.79-0.78
|
|
Mp sin i
(MJup)
|
0.0203+0.0025-0.0025
|
|
e
|
0.0890+0.1160-0.0620
|
|
P
(days)
|
5.150±0.011 |
|
K
(m/s)
|
3.26+0.39-0.38
|
|
a
(au)
|
0.05±0.01 |
|
TC
(days)
|
2459472.75±0.22
(BJD-TDB)
|
Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
The TOI-2427 system: Two close-in planets orbiting a late K-dwarf star
Schmerling et al. 2025 Reference Overview -
Validation of 13 Hot and Potentially Terrestrial TESS Planets
Giacalone et al. 2022 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
ExoFOP TOI Table
ExoFOP
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
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