exoclock

TOI-2803Ab (MEDIUM)

Discovered by: Yee et al. 2023

The Star
Simbad
GAIA
2MASS
TOI-2803
DR2 2913482170369046656
J06122753-2329331
RA 06:12:27.5367 DEC -23:29:33.168
Parallax
1.992 mas
P.M. RA
0.79 mas/y
P.M. DEC
11.877 mas/y
MagV
12.544
MagR
12.486
MagI*
11.968
MagJ
11.607
MagH
11.355
MagK
11.282
MagG
12.427
MagGBP
12.684
MagGRP
12.017
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459678.63667 ± 0.00017 BJDTDB
Period
1.96229283 ± 6.5e-07 days

Transit Parameters
Yee et al. 2023
Rp/Rs
0.13345411196362592 ± 0.0012738460995966538
a/Rs
5.512 +0.043 -0.07
i
89.0 +0.7 -1.0 deg
e
-
ω
- deg
DepthR*
23.51 mmag
Duration*
3.09 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Yee et al. 2023
Teff
6280.0 +99.0 -96.0 K
Log(g)
4.3 +0.01 -0.01 cm/s2
Fe/H
-0.105 +0.068 -0.072 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 6.65"
Total Observations (Recent) 10 (0)
O-C 1.37 ± 0.22 minutes
ExoClock Observations (Recent) 9 (0)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

TOI-2803Ab


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-2803Ab (MEDIUM)
2025-02-10
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.18 ± 0.72
TOI-2803Ab (MEDIUM)
2024-12-23
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
1.52 ± 0.62
TOI-2803Ab (MEDIUM)
2024-12-19
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / Lum / 90.0
1.76 ± 0.29
TOI-2803Ab (MEDIUM)
2024-12-19
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.43 ± 0.65
TOI-2803Ab (MEDIUM)
2024-12-15
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
2.57 ± 0.72
TOI-2803Ab (MEDIUM)
2023-12-16
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
0.32 ± 0.56
TOI-2803Ab (MEDIUM)
2023-10-28
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
0.61 ± 0.89
TOI-2803Ab (MEDIUM)
2023-10-26
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
0.04 ± 0.78
TOI-2803Ab (MEDIUM)
2023-10-26
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 50.0
-1.55 ± 0.91

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2020-12-24 Yee et al. 2023 0.01 ± 0.33
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