exoclock

WASP-186b (MEDIUM)

Discovered by: Schanche et al. 2020

The Star
Simbad
GAIA
2MASS		 TYC 1203-335-1
DR2 2790691147020786816
J01155884+2137010
RA 01:15:58.8508 DEC +21:37:01.006
Parallax
3.562 mas		 P.M. RA
21.672 mas/y		 P.M. DEC
-9.221 mas/y
MagV
10.81		 MagR*
10.459		 MagI*
10.236		 MagJ
9.781		 MagH
9.613		 MagK
9.532
MagG
10.651		 MagGBP
10.917		 MagGRP
10.252
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459494.4842 ± 0.00027 BJDTDB
Period
5.026797 ± 1.5e-06 days
Transit Parameters
Schanche et al. 2020
Rp/Rs
0.0781 ± 0.0019		 a/Rs
8.78 +0.18 -0.19
 i
83.59 +0.55 -0.49 deg
e
0.33 +0.01 -0.01
 ω
173.0 +3.0 -3.0 deg
DepthR*
6.13 mmag		 Duration*
2.7 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Schanche et al. 2020
Teff
6361.0 +105.0 -82.0 K
 Log(g)
4.19 +0.03 -0.03 cm/s2
 Fe/H
-0.08 +0.14 -0.14 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 8.13"
Total Observations (Recent) 24 (2)
O-C 0.01 ± 1.33 minutes
ExoClock Observations (Recent) 14 (2)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08396 ± 0.00053

WASP-186b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-186b (MEDIUM)
2025-11-17		Gerard Tartalo
Dark Energy Observatory		Ts RC8" Carbon
Player One Ares M (imx533M) / Clear / 240.0		-2.88 ± 4.9
WASP-186b (MEDIUM)
2025-10-18		Tommaso Dittadi
TD-TRO		Ritchey-Chretien
Moravian G2-1600 / R / 60.0		0.4 ± 2.88
WASP-186b (MEDIUM)
2024-11-11		David González Martínez
GDAO		CELESTRON C8
ASI ZWO 294 MM PRO / V / 60.0		-4.64 ± 2.88
WASP-186b (MEDIUM)
2024-10-21		Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe		C9.25
QHY9 / R / 60.0		2.11 ± 4.03
WASP-186b (MEDIUM)
2024-10-11		Alberto Tomatis
Alto-Observatory		RC
QHY 268M / Lum / 30.0		3.25 ± 3.31
WASP-186b (MEDIUM)
2024-10-11		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		2.24 ± 3.17
WASP-186b (MEDIUM)
2024-10-11		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 120.0		-0.35 ± 5.76
WASP-186b (MEDIUM)
2023-11-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		5.56 ± 4.75
WASP-186b (MEDIUM)
2023-10-05		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		2.07 ± 3.46
WASP-186b (MEDIUM)
2022-10-24		Mercedes Correa
Teide Observatory		IAC80
Camelot2 / R / 60.0		-1.69 ± 1.87
WASP-186b (MEDIUM)
2022-10-24		Mercedes Correa
Teide Observatory		IAC80
Camelot2 / I / 40.0		-1.83 ± 2.02
WASP-186b (MEDIUM)
2022-10-18		Mercedes Correa
Teide Observatory		IAC80
Camelot2 / R / 80.0		3.23 ± 1.18
WASP-186b (MEDIUM)
2022-10-08		Lionel Rousselot
Private observatory Vierzon		Newton 250/1000
ZWO 1600 monochrome / Lum / 60.0		-2.85 ± 2.88
WASP-186b (MEDIUM)
2022-10-08		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Lum / 60.0		-3.28 ± 3.17

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-186b (MEDIUM)
2022-10-29		TESS0.48 ± 1.17
WASP-186b (MEDIUM)
2022-10-24		TESS-0.97 ± 1.28
WASP-186b (MEDIUM)
2022-10-18		TESS0.89 ± 1.14
WASP-186b (MEDIUM)
2022-10-08		TESS1.6 ± 1.08
WASP-186b (MEDIUM)
2022-10-03		TESS-0.45 ± 1.14
WASP-186b (MEDIUM)
2021-09-11		TESS-2.61 ± 1.22
WASP-186b (MEDIUM)
2021-09-06		TESS0.19 ± 1.12
WASP-186b (MEDIUM)
2021-08-27		TESS-0.15 ± 1.2
WASP-186b (MEDIUM)
2021-08-22		TESS-1.91 ± 1.14

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2012-11-05 Schanche et al. 2020 0.66 ± 1.3
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