TOI-5817 Overview
TOI-5817
1.38
R⦿
5809.00
K
TOI-5817 b
0.275
RJup
TOI-5817 B
- Architecture
- TOI-5817
- TOI-5817
- TOI-5817 B
Discovery Data
| Host | Planet | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|---|
| TOI-5817 | TOI-5817 b | 15.61 d | 3.08 R⨁ | Transit | 2025 | Naponiello et al. 2025 | Confirmed Planet |
- RA
- 21h29m30.67s
- Dec
- +21d28m28.30s
- Distance
-
80.7542+0.3914-0.3878pc
- Parallax
- 12.3548000±0.0592924 mas
- Ecliptic Latitude
- 34.18354 deg
- Ecliptic Longitude
- 332.99479 deg
- Galactic Latitude
- -21.10497 deg
- Galactic Longitude
- 72.62429 deg
- Total Proper Motion
- 90.424732±0.113122 mas/yr
- Proper Motion (RA)
- -10.356500±0.113278 mas/yr
- Proper Motion (Dec)
- -89.82970±0.11312 mas/yr
- Photometry
-
mV8.64±0.03
-
mTESS8.0581±0.0060
-
mJ7.420±0.023
-
mH7.190±0.038
-
mKs7.084±0.023
-
mW16.975±0.054
-
mW27.069±0.020
-
mW37.045±0.017
-
mW47.133±0.106
-
mGaia8.483430±0.000239
-
mB9.267±0.028
| Source | Naponiello et al. 2025 | TICv8 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|---|
|
Teff
(K)
|
5770±50 |
5809.000+108.276-127.274
|
5809.000±117.775 | ||
|
L✶
(log10(L⦿))
|
0.312+0.025-0.022
|
0.29215834+0.01346824-0.00979870
|
--- | ||
|
ρ✶
(g/cm3)
|
0.47±0.05 |
0.5554081+0.1393149-0.0900457
|
--- | ||
|
M✶
(M⦿)
|
0.9700+0.0720-0.0550
|
1.040000+0.101181-0.161239
|
--- | ||
|
R✶
(R⦿)
|
1.427+0.043-0.040
|
1.3820700+0.0680598-0.0604226
|
1.38206994533539±0.06424120000000 | ||
|
log g
(log10(cm/s2))
|
4.12±0.04 |
4.1740400+0.0729846-0.0730211
|
4.1740400±0.0730029 | ||
|
Metallicity
(dex)
|
-0.24±0.09 [Fe/H] | --- | --- | ||
|
v sin i
(km/s)
|
1.2±0.7 | --- | --- | ||
|
Age
(Gyr)
|
9.70+2.30-2.50
|
--- | --- | ||
|
CAII LOG RHK
|
-4.950±0.004 | --- | --- | ||
|
Sp. T
|
G2 IV-V | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Naponiello et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
|---|---|---|---|---|
|
a/R✶
|
18.44+0.69-0.76
|
--- | ||
|
Teq
(K)
|
950+21-18
|
855.960421383929 | ||
|
b
|
0.41+0.09-0.13
|
--- | ||
|
Mp
(M⨁)
|
10.3+1.4-1.3
|
--- | ||
|
Mp
(MJup)
|
0.0324+0.0044-0.0041
|
--- | ||
|
e
|
<0.20 | --- | ||
|
i
(deg)
|
88.72+0.43-0.34
|
--- | ||
|
P
(days)
|
15.61031+0.00012-0.00010
|
15.6146057515396±0.0042941086000 | ||
|
ρ
(g/cm3)
|
1.93+0.41-0.34
|
--- | ||
|
Rp
(R⨁)
|
3.08±0.14 | 3.02725840972123±1.13660280000000 | ||
|
Rp
(RJup)
|
0.275±0.012 | 0.270074370787455±0.101401084578547 | ||
|
Rp/R✶
|
0.0198±0.0007 | --- | ||
|
K
(m/s)
|
2.69±0.35 | --- | ||
|
a
(au)
|
0.1223±0.0060 | --- | ||
|
T14
(hours)
|
6.00+0.17-0.15
|
5.8168055050842±0.5161060700000 | ||
|
TC
(days)
|
2459799.3065±0.0029
(BJD)
|
2459799.30385400±0.00308437
(BJD)
|
||
|
S
(S⨁)
|
--- | 126.863222012446 | ||
|
δ
(%)
|
--- | 0.046714373068761±0.003263327000000 |
- 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 | Naponiello et al. 2025 |
|---|---|
|
Sp. T
|
M3.5 V |
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
- Known Objects
- 1 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 1 Associated Literature Data
-
The Hot-Neptune Initiative (HONEI) I. Two hot sub-Neptunes on a close-in, eccentric orbit (TOI-5800 b) and a farther-out, circular orbit (TOI-5817 b)
Naponiello et al. 2025 | Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 | Reference Overview -
ExoFOP-TESS TOI Table
ExoFOP-TESS TOI
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