TOI-3288 Overview
-
Star:
TOI-3288
- Stellar Radius: 0.67 Solar Radius
- Stellar Effective Temperature: 3913.00 K
-
Planet:
TOI-3288 b
- Disposition Confirmed
- Planet Radius 1.092 Jupiter Radius
-
Star:
TOI-3288 B
TOI-3288 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| TOI-3288 | ||||||
| TOI-3288 b | 1.43 d | 12.24 R⨁ | Transit | 2025 | Frensch et al. 2026 | Confirmed Planet |
| TOI-3288 B | ||||||
TOI-3288 b
- Planet also independently announced in this ref. (Dransfield et al. 2026)
- RA
- 19h48m26.48s
- Dec
- -43d01m04.80s
- Distance
- 200.5000±1.5505 pc
- Parallax
- 4.959080±0.038275 mas
- Ecliptic Latitude
- -21.53411 deg
- Ecliptic Longitude
- 290.98494 deg
- Galactic Latitude
- -28.1166 deg
- Galactic Longitude
- 356.39331 deg
- Total Proper Motion
- 21.1445953±0.0379343 mas/yr
- Proper Motion (RA)
- -6.5220400±0.0537307 mas/yr
- Proper Motion (Dec)
- -20.1136000±0.0358715 mas/yr
- Photometry
- mV 14.979±0.195
- mTESS 13.2956000±0.0090013
- mJ 12.043±0.027
- mH 11.421±0.034
- mKs 11.201±0.026
- mW1 11.035±0.022
- mW2 11.067±0.021
- mW3 10.924±0.134
- mW4 8.432
- mGaia 14.249700±0.000502
- mB 16.485±0.119
| Source | Dransfield et al. 2026 | Frensch et al. 2026 | TICv8 | ExoFOP | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
4072±80 | 3933±48 | 3913.0±157.0 | 3913±157 | ||
|
L✶
(log10(L⦿))
|
-0.9519+0.0408-0.0450
|
-0.959+0.012-0.012
|
-1.02302+0.08707-0.10902
|
--- | ||
|
ρ✶
(g/cm3)
|
3.24±0.27 |
3.65+0.10-0.14
|
3.00826±0.17747 | --- | ||
|
M✶
(M⦿)
|
0.643±0.014 | 0.64±0.01 | 0.6419660±0.0204766 | --- | ||
|
R✶
(R⦿)
|
0.672±0.020 | 0.67±0.02 | 0.6700710±0.0202783 | 0.67±0.02 | ||
|
log g
(log10(cm/s2))
|
4.592±0.028 |
4.658+0.003-0.004
|
4.5933400±0.0124368 | 4.59±0.01 | ||
|
Metallicity
(dex)
|
0.65±0.12 [Fe/H] | 0.27±0.13 [Fe/H] | --- | --- | ||
|
Sp. T
|
M0±0.5 | K9 V | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Dransfield et al. 2026 | Frensch et al. 2026 | ExoFOP | ||
|---|---|---|---|---|---|
|
Teq
(K)
|
973+24-23
|
1059±21 | 989 | ||
|
b
|
0.128+0.074-0.077
|
0.11+0.09-0.07
|
--- | ||
|
S
(S⨁)
|
213.8±27.2 | 239±7 | 158.892 | ||
|
Mp
(M⨁)
|
536.2+36.2-34.6
|
671±25 | --- | ||
|
Mp
(MJup)
|
1.687+0.114-0.109
|
2.11±0.08 | --- | ||
|
e
|
0.021+0.026-0.015
|
0 | --- | ||
|
i
(deg)
|
89.00±0.61 |
89.1+0.6-0.8
|
--- | ||
|
P
(days)
|
1.4338647±0.0000003 | 1.4338635±0.0000004 | 1.4338615±0.0000023 | ||
|
ρ
(g/cm3)
|
1.60+0.23-0.20
|
2.6+0.3-0.2
|
--- | ||
|
Rp
(R⨁)
|
12.24±0.37 | 11.2±0.3 | 12.381800±0.429787 | ||
|
Rp
(RJup)
|
1.092±0.033 | 1.00±0.03 | 1.1046321±0.0383431 | ||
|
Rp/R✶
|
0.16701+0.00090-0.00080
|
0.153±0.001 | --- | ||
|
K
(m/s)
|
433+16-17
|
511±19 | --- | ||
|
a
(au)
|
0.02285+0.00089-0.00092
|
0.0215±0.0001 | --- | ||
|
T14
(hours)
|
1.737+0.008-0.007
|
1.93±0.01 | 1.610±0.065 | ||
|
TC
(days)
|
2460343.9069±0.0001
(BJD)
|
2459057.7310±0.0002
(BJD)
|
2459057.7307580±0.0004431
(BJD)
|
||
|
δ
(%)
|
--- | --- | 3.13600000±0.00081561 | ||
|
a/R✶
|
7.33+0.14-0.21
|
--- | --- | ||
|
ω
(deg)
|
174+91-108
|
--- | --- |
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
- mV ---
- mTESS ---
- mJ ---
- mH ---
- mKs ---
- mW1 ---
- mW2 ---
- mW3 ---
- mW4 ---
- mGaia ---
- mB ---
| Source | Frensch et al. 2026 |
|---|---|
|
Sp. T
|
M4 |
TOI-3288 Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
TOI-3288 B Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 1 Confirmed Planets
- 3 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
MANGOS ─ II. Five new giant planets orbiting low-mass stars
Dransfield et al. 2026 Reference Overview -
TOI-3288 b and TOI-4666 b: Two gas giants transiting low-mass stars characterised by NIRPS
Frensch et al. 2026 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
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