exoclock
The Star
Simbad
GAIA
2MASS
TOI-4010
DR2 525352325110310400
J01205143+6604202
RA 01:20:51.4586 DEC +66:04:20.241
Parallax
5.605 mas
P.M. RA
38.616 mas/y
P.M. DEC
-20.377 mas/y
MagV
12.413
MagR
12.106
MagI*
11.377
MagJ
10.649
MagH
10.25
MagK
10.157
MagG
12.122
MagGBP
12.654
MagGRP
11.466
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459574.00514 ± 0.00049 BJDTDB
Period
5.4146491 ± 5.9e-06 days

Transit Parameters
Kunimoto et al. 2023
Rp/Rs
0.065 ± 0.001
a/Rs
15.19 +0.26 -0.26
i
88.8 +0.6 -0.3 deg
e
0.03 +0.03 -0.02
ω
57.0 +63.0 -120.0 deg
DepthR*
5.67 mmag
Duration*
2.71 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Kunimoto et al. 2023
Teff
4960.0 +36.0 -36.0 K
Log(g)
4.54 +0.02 -0.02 cm/s2
Fe/H
0.37 +0.07 -0.07 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 13.6"
Total Observations (Recent) 27 (7)
O-C -0.77 ± 0.93 minutes
ExoClock Observations (Recent) 15 (7)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 1 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0646 ± 0.0012

TOI-4010c


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-4010c (LOW)
2026-04-30
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 120.0
-9.69 ± 5.62
TOI-4010c (LOW)
2025-12-04
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 150.0
-0.43 ± 3.17
TOI-4010c (LOW)
2025-09-19
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 120.0
-4.05 ± 4.03
TOI-4010c (LOW)
2025-07-17
Xavier Bros
Anysllum
Newton Orion Optics 14" f4.6
ASI2600MM Pro / R / 200.0
-0.47 ± 6.34
TOI-4010c (LOW)
2025-07-17
Jean-Claude MARIO
Observatoire de la Cabergue
T 500 Cassegrain "Arp 83"
ASI 6200 MM / Clear / 180.0
-3.35 ± 2.45
TOI-4010c (LOW)
2025-07-17
Gerard Tartalo
Dark Energy Observatory
Ts RC8" Carbon
Player One Ares M (imx533M) / Clear / 120.0
-8.53 ± 7.06
TOI-4010c (LOW)
2025-06-19
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 120.0
-0.69 ± 3.46
TOI-4010c (LOW)
2024-11-09
Gustavo Muler
Obs. Nazaret J47
lx 200
ST8 XME AO8 / R / 90.0
3.51 ± 2.02
TOI-4010c (LOW)
2024-10-13
Alexey Garmash
Lyceum 130
EdgeHD C11
ASI2600MM pro / rpr / 180.0
0.84 ± 2.02
TOI-4010c (LOW)
2024-09-05
Andre Kovacs
Moletai Astronomical Observatory (MAO)
35 cm Maksutov f/3.5
Apogee Alta U47 / R / 120.0
-5.58 ± 3.17
TOI-4010c (LOW)
2024-08-09
Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe
Celestron C11
QHY9 / R / 90.0
2.4 ± 8.5
TOI-4010c (LOW)
2024-07-30
Giovanni Calapai
Home Astronomical Observatory
Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0
-0.62 ± 3.74
TOI-4010c (LOW)
2024-01-27
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0
2.93 ± 2.88
TOI-4010c (LOW)
2023-11-23
Marc Serrau
A77 - Dauban
Meade SC 12"
QHY260MM / rpr / 300.0
-1.4 ± 3.02
TOI-4010c (LOW)
2023-08-23
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 240.0
1.24 ± 4.18

Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-4010c (LOW)
2022-11-26
TESS4.63 ± 2.59
TOI-4010c (LOW)
2022-11-20
TESS-1.92 ± 2.59
TOI-4010c (LOW)
2022-11-15
TESS-0.12 ± 3.31
TOI-4010c (LOW)
2022-11-09
TESS0.23 ± 2.88
TOI-4010c (LOW)
2022-11-04
TESS1.03 ± 5.33
TOI-4010c (LOW)
2022-10-30
TESS-2.36 ± 2.02
TOI-4010c (LOW)
2022-06-11
TESS-9.16 ± 5.04
TOI-4010c (LOW)
2022-06-05
TESS5.74 ± 3.02
TOI-4010c (LOW)
2022-05-26
TESS-5.78 ± 7.06
TOI-4010c (LOW)
2022-05-20
TESS0.77 ± 1.87

ETD Observations

Planet
Observation Date
Observer(s) ETD link O-C
minutes
TOI-4010c (LOW)
2023-09-30
Fran Campos16961493522.47 ± 3.31

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2020-05-30 Kunimoto et al. 2023 -0.05 ± 1.15
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