exoclock
The Star
Simbad
GAIA
2MASS
TYC 556-982-1
DR2 2700166125618717696
J21485965+0616420
RA 21:48:59.6545 DEC +06:16:42.021
Parallax
11.875 mas
P.M. RA
43.77 mas/y
P.M. DEC
-37.309 mas/y
MagV
10.66
MagR*
10.227
MagI*
9.75
MagJ
9.218
MagH
8.802
MagK
8.684
MagG
10.478
MagGBP
10.939
MagGRP
9.889
*Calculated from GAIA magnitudes.

Ephemeris - Not verified False
Mistry et al. 2023
Mid-time
2459802.7103 ± 0.0004 BJDTDB
Period
5.38305 ± 0.000207 days

Transit Parameters
Mistry et al. 2023
Rp/Rs
0.0393 ± 0.0015
a/Rs
28.6 +1.9 -3.4
i
89.3 +0.48 -0.6 deg
e
-
ω
- deg
DepthR*
2.04 mmag
Duration*
1.41 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Mistry et al. 2023
Teff
5134.0 +121.0 -121.0 K
Log(g)
4.61 +0.09 -0.09 cm/s2
Fe/H
0.0 +0.0 0.0 dex
ExoClock Status
Observing Priority ALERT
Minimum aperture 27.34"
Total Observations (Recent) 8 (3)
O-C -23.32 ± 1.53 minutes
ExoClock Observations (Recent) 4 (3)
Space Observations (Recent) 4 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0393 ± 0.0016

TOI-5803b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-5803b (ALERT)
2025-09-09
Karolina Prucnal
DeepSkyChile - ROTUZ
PlaneWave CDK 20
QHY268M pro / Lum / 90.0
-44.71 ± 2.88
TOI-5803b (ALERT)
2025-07-12
Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)
Officina Stellare RiLa 400
FLI ProLine 16803 / ipr / 20.0
-25.2 ± 2.74
TOI-5803b (ALERT)
2025-06-15
Florence Libotte
IAC 80
IAC 80 equatorial german mount
Camelot2 / R / 70.0
-29.16 ± 3.17
TOI-5803b (ALERT)
2024-11-01
Karolina Prucnal
DeepSkyChile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 60.0
24.41 ± 3.74

Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-5803b (ALERT)
2022-08-27
TESS3.1 ± 3.74
TOI-5803b (ALERT)
2022-08-21
TESS0.29 ± 2.3
TOI-5803b (ALERT)
2022-08-11
TESS0.0 ± 1.87
TOI-5803b (ALERT)
2022-08-05
TESS-0.23 ± 1.15
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