exoclock

TOI-3785b (LOW)

Discovered by: Powers et al. 2023

The Star
Simbad
GAIA
2MASS
TOI-3785
DR2 1044013542142711296
J08433613+6304413
RA 08:43:36.1519 DEC +63:04:41.339
Parallax
12.508 mas
P.M. RA
-42.903 mas/y
P.M. DEC
-17.033 mas/y
MagV*
14.668
MagR*
13.508
MagI*
12.412
MagJ
11.051
MagH
10.387
MagK
10.165
MagG
13.656
MagGBP
14.92
MagGRP
12.544
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459754.37157 ± 0.0005 BJDTDB
Period
4.6747482 ± 3.9e-06 days

Transit Parameters
Powers et al. 2023
Rp/Rs
0.0962 ± 0.0017
a/Rs
18.89 +0.45 -0.44
i
88.1 +0.01 -0.01 deg
e
0.11 +0.1 -0.08
ω
96.26 +51.25 -143.93 deg
DepthR*
11.39 mmag
Duration*
1.6 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Powers et al. 2023
Teff
3576.0 +88.0 -88.0 K
Log(g)
4.75 +0.05 -0.05 cm/s2
Fe/H
0.099 +0.117 -0.117 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 12.4"
Total Observations (Recent) 29 (10)
O-C 1.63 ± 0.6 minutes
ExoClock Observations (Recent) 23 (10)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0938 ± 0.0032

TOI-3785b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
TOI-3785b (LOW)
2025-12-25
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 180.0
-4.57 ± 3.89
TOI-3785b (LOW)
2025-11-23
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0
1.67 ± 1.87
TOI-3785b (LOW)
2025-10-25
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 180.0
0.36 ± 2.3
TOI-3785b (LOW)
2025-08-30
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 180.0
0.18 ± 4.18
TOI-3785b (LOW)
2025-05-06
Michael Nezel
Celle Observatory
CDK 14
QHY 268M / I / 180.0
-0.1 ± 2.16
TOI-3785b (LOW)
2025-04-07
Yannic Delisle
Buthiers UAI 199
Custome made
QHY268M Pro / rpr / 300.0
6.51 ± 1.87
TOI-3785b (LOW)
2025-04-07
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0
0.46 ± 2.59
TOI-3785b (LOW)
2025-04-07
Simon Dawes
William James II
Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Clear / 300.0
0.32 ± 3.6
TOI-3785b (LOW)
2025-04-07
David Bennett
Rickford Observatory
GSO RC
ZWO ASI2600MM Pro / Lum / 200.0
-2.27 ± 4.46
TOI-3785b (LOW)
2025-03-24
Daniele Schilirò
P.I.O. Observatory
Rc 10 GSO Truss
Moravian G2-1600 / R / 180.0
3.7 ± 3.89
TOI-3785b (LOW)
2024-12-26
Jean-Claude MARIO
Bortle 45 observatory
T 520 Cassegrain Arp 83
Asi 6200MM / Clear / 120.0
6.74 ± 1.44
TOI-3785b (LOW)
2024-05-15
Alexey Garmash
Lyceum 130
EdgeHD C11
ASI2600MM pro / ipr / 180.0
0.14 ± 2.02
TOI-3785b (LOW)
2024-04-13
Esteban Reina
Observatori de Masquefa
Meade LX200
ZWO ASI 294 MM Pro / R / 120.0
4.08 ± 4.32
TOI-3785b (LOW)
2024-04-13
Robert Roth
TURMX Observatory
Planewave CDK17
Moravian C1x 61000 Pro / Lum / 120.0
-6.43 ± 2.16
TOI-3785b (LOW)
2024-02-02
Davide Pica
Private Observatory
Celestron C9.25
QHY 294 M Pro / Clear / 300.0
-0.35 ± 2.3
TOI-3785b (LOW)
2024-01-19
Kevin Johnson
Holbrook Observatory
Meade LX50 10"
Atik 383L+ / Lum / 150.0
0.87 ± 2.74
TOI-3785b (LOW)
2023-12-18
Florence Libotte
Montsec
Joan Oró 80cm
MEIA2 / R / 180.0
-4.12 ± 1.73
TOI-3785b (LOW)
2023-12-08
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0
-9.74 ± 3.6
TOI-3785b (LOW)
2023-11-20
Antelm Ginard
Montsec Observatory
Joan Oró Telescope
Andor iKon XL / R / 180.0
2.33 ± 1.2
TOI-3785b (LOW)
2023-11-20
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0
1.21 ± 1.11
TOI-3785b (LOW)
2023-11-20
Mercedes Correa
Calar Alto
Caha 1.23m
DLR-MKIII CCD / R / 240.0
0.65 ± 1.02
TOI-3785b (LOW)
2023-11-06
Andrea Damonte
OARPAF
Astelco T-800
STX-16801 SBIG / R / 60.0
-3.64 ± 4.32
TOI-3785b (LOW)
2023-11-06
Dim Stouraitis
Galilaios
SCT
SXVF-H9 Starlight-Xpress / R / 150.0
-6.38 ± 4.61

Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-3785b (LOW)
2022-01-25
TESS-3.93 ± 1.87
TOI-3785b (LOW)
2022-01-20
TESS-3.28 ± 1.58
TOI-3785b (LOW)
2022-01-11
TESS-0.55 ± 2.59
TOI-3785b (LOW)
2022-01-06
TESS-2.21 ± 2.45
TOI-3785b (LOW)
2022-01-01
TESS-6.46 ± 3.17

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2020-01-12 Powers et al. 2023 1.2 ± 0.86
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