TOI-1803 Overview
TOI-1803
0.72
R⦿
4687.00
K
TOI-1803 b
0.267
RJup
TOI-1803 c
0.383
RJup
- Architecture
- TOI-1803
- TOI-1803
- Other Data
- Bibliography 3
- Exoplanet Archive Notes 2
- Nearby Data 4
Discovery Data
Host | Planet | Method | Year | Reference | Disposition |
---|---|---|---|---|---|
TOI-1803 | TOI-1803 b | Transit | 2025 | Zingales et al. 2025 | Confirmed Planet |
TOI-1803 | TOI-1803 c | Transit | 2025 | Zingales et al. 2025 | Confirmed Planet |
TOI-1803 b
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Zingales et al. 2025)
- Equilibrium temperature was calculated assuming a Bond albedo of 0.3. (Zingales et al. 2025)
- RA
- 11h52m11.07s
- Dec
- +35d10m18.48s
- Distance
-
119.240+0.951-0.936pc
- Parallax
- 8.3582900±0.0658674 mas
- Ecliptic Latitude
- 31.15876 deg
- Ecliptic Longitude
- 162.68018 deg
- Galactic Latitude
- 75.01257 deg
- Galactic Longitude
- 176.84739 deg
- Total Proper Motion
- 86.5001760±0.0714424 mas/yr
- Proper Motion (RA)
- -86.4450000±0.0714579 mas/yr
- Proper Motion (Dec)
- 3.0890800±0.0580802 mas/yr
- Photometry
-
mV11.871±0.033
-
mTESS11.1476±0.0061
-
mJ10.283±0.020
-
mH9.771±0.016
-
mKs9.658±0.019
-
mW19.609±0.023
-
mW29.683±0.020
-
mW39.598±0.040
-
mW48.827
-
mGaia11.770500±0.000629
-
mB13.222±0.245
-
mg12.7327000±0.0010745
-
mi11.5493000±0.0006124
-
mr11.8256000±0.0007968
-
mu15.6338000±0.0082983
-
mz11.8099000±0.0034974
Source | Zingales et al. 2025 | TICv8 | ExoFOP-TESS TOI | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|---|---|
Teff
(K)
|
4687±65 |
4868.610+194.897-124.945
|
4868.610±159.921 | 4868.610±159.921 | ||
L✶
(log10(L⦿))
|
-0.654+0.025-0.026
|
-0.6187410+0.0168674-0.0229896
|
--- | --- | ||
Metallicity
(dex)
|
0.014±0.060 [Fe/H] | 0.1140530±0.0126136 [M/H] | --- | --- | ||
γ
(km/s)
|
2.10±0.60 | --- | --- | --- | ||
v sin i
(km/s)
|
<1.0±0.5 | --- | --- | --- | ||
Age
(Gyr)
|
1.40+0.12-0.16
|
--- | --- | --- | ||
ρ✶
(g/cm3)
|
2.86±0.18 |
3.412104+1.131044-1.092085
|
--- | --- | ||
M✶
(M⦿)
|
0.756+0.050-0.042
|
0.7930000+0.1020700-0.0922868
|
--- | --- | ||
R✶
(R⦿)
|
0.715±0.005 |
0.6894010+0.0413327-0.0768583
|
0.69±0.06 | 0.69±0.06 | ||
log g
(log10(cm/s2))
|
4.62±0.10 |
4.6604000+0.0992558-0.1204250
|
4.66040±0.10984 | 4.66040±0.10984 | ||
Prot
(days)
|
13.659+0.029-0.033
|
--- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit, Transit Timing Variations
Source | Zingales et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|
Teq
(K)
|
747±11 | 769 | ||
S
(S⨁)
|
58±12 | 58.2524 | ||
P
(days)
|
6.293287±0.000028 | 6.2932111±0.0000397 | ||
Rp
(R⨁)
|
2.99±0.08 | 2.985550±0.292688 | ||
Rp
(RJup)
|
0.267±0.007 | 0.2663534±0.0261119 | ||
δ
(%)
|
--- | 0.181000000±0.000350736 | ||
T14
(hours)
|
2.59±0.07 | 2.188±0.432 | ||
TC
(days)
|
2458904.6237±0.0027 | 2459659.8154110±0.0035607 | ||
a/R✶
|
18.2±0.4 | --- | ||
b
|
0.34+0.09-0.14
|
--- | ||
Mp
(M⨁)
|
10.32+1.66-0.48
|
--- | ||
Mp
(MJup)
|
0.03247+0.00522-0.00151
|
--- | ||
e
|
0 | --- | ||
i
(deg)
|
88.9±0.5 | --- | ||
ρ
(g/cm3)
|
2.2±0.6 | --- | ||
Rp/R✶
|
0.038±0.001 | --- | ||
K
(m/s)
|
4.4±1.0 | --- | ||
a
(au)
|
0.060±0.001 | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit, Transit Timing Variations
Source | Zingales et al. 2025 | ExoFOP-TESS TOI | Show Candidate Solutions >> | << Hide Candidate Solutions |
---|---|---|---|---|
Teq
(K)
|
588±10 | 576 | ||
S
(S⨁)
|
22±4 | 18.3406 | ||
P
(days)
|
12.885779±0.000036 | 12.8858629±0.0000625 | ||
Rp
(R⨁)
|
4.29±0.08 | 4.216930±0.450434 | ||
Rp
(RJup)
|
0.383±0.007 | 0.3762099±0.0401851 | ||
δ
(%)
|
--- | 0.31700000±0.00125594 | ||
T14
(hours)
|
2.40±0.04 | 2.098±0.669 | ||
TC
(days)
|
2458911.6747±0.0019 | 2459659.0556450±0.0024665 | ||
a/R✶
|
29.3±0.6 | --- | ||
b
|
0.779+0.014-0.015
|
--- | ||
Mp
(M⨁)
|
8+1-2
|
--- | ||
Mp
(MJup)
|
0.03+0.00-0.01
|
--- | ||
e
|
0 | --- | ||
i
(deg)
|
88.48±0.06 | --- | ||
ρ
(g/cm3)
|
0.419±0.210 | --- | ||
Rp/R✶
|
0.055±0.001 | --- | ||
K
(m/s)
|
2.1+1.1-1.0
|
--- | ||
a
(au)
|
0.097±0.002 | --- |
- Known Objects
- 2 Confirmed Planets
- 2 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
A joint effort to discover and characterize two resonant mini-Neptunes around TOI-1803 with TESS, HARPS-N, and CHEOPS
Zingales 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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