TOI-521 Overview
TOI-521
0.42
R⦿
3439.00
K
TOI-521 b
0.177
RJup
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| TOI-521 | TOI-521 b | 1.54 d | 1.98 R⨁ | Transit | 2025 | Lacedelli et al. 2025 | Confirmed Planet |
- RA
- 08h13m22.62s
- Dec
- +12d13m19.59s
- Distance
-
60.9425+0.2247-0.2230pc
- Parallax
- 16.3803000±0.0598232 mas
- Ecliptic Latitude
- -7.50031 deg
- Ecliptic Longitude
- 122.8055 deg
- Galactic Latitude
- 23.63646 deg
- Galactic Longitude
- 210.90176 deg
- Total Proper Motion
- 121.183281±0.076399 mas/yr
- Proper Motion (RA)
- 90.4089000±0.0922865 mas/yr
- Proper Motion (Dec)
- 80.6946000±0.0497256 mas/yr
- Photometry
-
mV14.691±0.066
-
mTESS12.4029000±0.0072835
-
mJ10.921±0.022
-
mH10.357±0.020
-
mKs10.089±0.019
-
mW19.9850±0.0230
-
mW29.854±0.021
-
mW39.727±0.047
-
mW49.006
-
mGaia13.586100±0.000364
-
mB16.268±0.147
| Source | Lacedelli et al. 2025 | TICv8 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
Teff
(K)
|
3544±100 | 3465.0±157.0 | 3439±69 | ||
|
R✶
(R⦿)
|
0.421±0.028 | 0.4200280±0.0125005 | 0.420028001070023±0.012500500000000 | ||
|
log g
(log10(cm/s2))
|
4.97±0.10 | 4.8084000±0.0045697 | 4.974860±0.436074 | ||
|
L✶
(log10(L⦿))
|
-1.60+0.01-0.01
|
-1.63994+0.09413-0.12035
|
--- | ||
|
ρ✶
(g/cm3)
|
8.2+0.6-0.7
|
7.874458±0.317405 | --- | ||
|
M✶
(M⦿)
|
0.420±0.030 | 0.4138950±0.0202719 | --- | ||
|
Metallicity
(dex)
|
-0.12±0.08 [Fe/H] | --- | --- | ||
|
γ
(km/s)
|
-9.310±1.100 | --- | --- | ||
|
Age
(Gyr)
|
>0.8 | --- | --- | ||
|
CAII LOG RHK
|
-5.500±0.036 | --- | --- | ||
|
Sp. T
|
M3 | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Lacedelli et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
10.1+0.2-0.3
|
--- | ||
|
Teq
(K)
|
794±35 | 709.887341401445 | ||
|
b
|
0.24+0.11-0.14
|
--- | ||
|
S
(S⨁)
|
66±12 | 60.0176144930838 | ||
|
ω
(deg)
|
90 | --- | ||
|
Mp
(M⨁)
|
5.3±1.0 | --- | ||
|
Mp
(MJup)
|
0.017±0.003 | --- | ||
|
e
|
0 | --- | ||
|
i
(deg)
|
88.6+0.8-0.7
|
--- | ||
|
P
(days)
|
1.54285047+0.00000100-0.00000080
|
1.54284863301638±0.00000413439740 | ||
|
ρ
(g/cm3)
|
3.8±1.1 | --- | ||
|
Rp
(R⨁)
|
1.98±0.14 | 1.96530323770976±1.11616640000000 | ||
|
Rp
(RJup)
|
0.177±0.012 | 0.175332912983761±0.099577867950116 | ||
|
Rp/R✶
|
0.0431±0.0009 | --- | ||
|
K
(m/s)
|
5.26+0.95-0.98
|
--- | ||
|
a
(au)
|
0.0195±0.0003 | --- | ||
|
T14
(hours)
|
1.18±0.01 | 1.19588980986732±0.32045240000000 | ||
|
TC
(days)
|
2458492.7153±0.0005
(BJD)
|
2458492.71641100±0.00060947
(BJD)
|
||
|
δ
(%)
|
--- | 0.215448557809037±0.013757423000000 |
- Known Objects
- 1 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 Associated Literature Data
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
