TOI-3278 Overview
-
Star:
TOI-3278
- Stellar Radius: 1.35 Solar Radius
- Stellar Effective Temperature: 5729.00 K
-
Planet:
TOI-3278 b
- Disposition Confirmed
- Planet Radius 1.240 Jupiter Radius
TOI-3278 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| TOI-3278 | ||||||
| TOI-3278 b | 3.25 d | 13.9 R⨁ | Transit | 2026 | Plunkett et al. 2026 | Confirmed Planet |
- RA
- 19h27m28.05s
- Dec
- -62d05m41.56s
- Distance
-
904.752+18.732-18.000pc
- Parallax
- 1.0768500±0.0222579 mas
- Ecliptic Latitude
- -39.64521 deg
- Ecliptic Longitude
- 283.07982 deg
- Galactic Latitude
- -27.91591 deg
- Galactic Longitude
- 334.47293 deg
- Total Proper Motion
- 11.7669332±0.0304447 mas/yr
- Proper Motion (RA)
- -3.5816200±0.0313131 mas/yr
- Proper Motion (Dec)
- -11.2086000±0.0303546 mas/yr
- Photometry
- mV 14.161±0.206
- mTESS 13.5215±0.0060
- mJ 12.831±0.024
- mH 12.554±0.029
- mKs 12.492±0.027
- mW1 12.434±0.023
- mW2 12.502±0.024
- mW3 12.745±0.509
- mW4 9.075
- mGaia 13.996000±0.000219
- mB 14.864±0.038
| Source | Plunkett et al. 2026 | TICv8 | ExoFOP | ||
|---|---|---|---|---|---|
|
Teff
(K)
|
5720+89-91
|
5729.0±122.0 | 5729±122 | ||
|
L✶
(log10(L⦿))
|
--- | 0.2483054 | --- | ||
|
ρ✶
(g/cm3)
|
0.5430+0.0512-0.0504
|
0.583207 | --- | ||
|
M✶
(M⦿)
|
1.04+0.09-0.10
|
1.02 | --- | ||
|
R✶
(R⦿)
|
1.39±0.03 | 1.35098 | 1.35 | ||
|
log g
(log10(cm/s2))
|
4.26±0.08 | 4.18537 | 4.19 | ||
|
Metallicity
(dex)
|
0.040±0.140 [Fe/H] | --- | --- | ||
|
γ
(km/s)
|
31.17±3.03 | --- | --- | ||
|
v sin i
(km/s)
|
<2.0±0.1 | --- | --- | ||
|
Age
(Gyr)
|
8.90+2.90-2.30
|
--- | --- | ||
|
Sp. T
|
G2-G4 V | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Plunkett et al. 2026 | ExoFOP | ||
|---|---|---|---|---|
|
a/R✶
|
6.712+0.205-0.215
|
--- | ||
|
Teq
(K)
|
1561±35 | 1156 | ||
|
b
|
0.814+0.018-0.019
|
--- | ||
|
S
(S⨁)
|
1030±70 | 297.123 | ||
|
ω
(deg)
|
90 | --- | ||
|
Mp
(M⨁)
|
95±22 | --- | ||
|
Mp
(MJup)
|
0.30±0.07 | --- | ||
|
e
|
0 | --- | ||
|
i
(deg)
|
83.0±0.4 | --- | ||
|
P
(days)
|
3.2464560+0.0000045-0.0000044
|
3.2464257±0.0013149 | ||
|
ρ
(g/cm3)
|
0.21±0.05 | --- | ||
|
Rp
(R⨁)
|
13.9±0.4 | 12.7086 | ||
|
Rp
(RJup)
|
1.24±0.04 | 1.13379 | ||
|
Rp/R✶
|
0.0897+0.0018-0.0019
|
--- | ||
|
K
(m/s)
|
40.1+8.5-8.7
|
--- | ||
|
a
(au)
|
0.043±0.002 | --- | ||
|
TC
(days)
|
2458680.8134±0.0015
(BJD)
|
2458680.8146410±0.0038264
(BJD)
|
||
|
δ
(%)
|
--- | 0.84300000±0.00235802 | ||
|
T14
(hours)
|
--- | 2.082±0.324 |
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