exoclock

GJ486b (MEDIUM)

Discovered by: Trifonov et al. 2021

The Star
Simbad
GAIA
2MASS		 Wolf 437
DR2 3735000631158990976
J12475664+0945050
RA 12:47:56.6249 DEC +09:45:05.031
Parallax
123.821 mas		 P.M. RA
-1008.602 mas/y		 P.M. DEC
-459.8 mas/y
MagV
11.395		 MagR
10.235		 MagI
8.707		 MagJ
7.195		 MagH
6.666		 MagK
6.362
MagG
10.094		 MagGBP
11.665		 MagGRP
8.902
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459350.75597 ± 0.00018 BJDTDB
Period
1.46712147 ± 7.3e-07 days
Transit Parameters
Trifonov et al. 2021
Rp/Rs
0.0366 ± 0.0011		 a/Rs
10.94 +0.17 -0.18
 i
88.6 +1.0 -1.4 deg
e
-		 ω
- deg
DepthR*
1.78 mmag		 Duration*
1.03 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Trifonov et al. 2021
Teff
3340.0 +54.0 -54.0 K
 Log(g)
4.906 +0.04 -0.04 cm/s2
 Fe/H
0.07 +0.16 -0.16 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 34.61"
Total Observations (Recent) 31 (1)
O-C 0.79 ± 1.33 minutes
ExoClock Observations (Recent) 7 (1)
Space Observations (Recent) 24 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.03745 ± 0.00052

GJ486b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
GJ486b (MEDIUM)
2025-04-23		Trinidad Poyato romero
iac 80 (El Teide)		quatorial german mount
ccd Total CCD size: 4096 (horizontal) x 4112 (vertical) pixels Pixel size: 15×15 µm Pixel scale: 0.322 “/pixel / R / 25.0		1.42 ± 3.02
GJ486b (MEDIUM)
2024-05-27		Javier Flores Martín
Calar Alto Hispano en Andalucia		Multi Array of Combinate Telescope (MARCOT)
ZWO1600MM / Clear / 45.0		4.93 ± 2.45
GJ486b (MEDIUM)
2024-01-27		Mercedes Correa
Teide Observatory		IAC80
Camelot2 / R / 30.0		-1.87 ± 1.87
GJ486b (MEDIUM)
2020-05-13		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 5.0		1.18 ± 2.45
GJ486b (MEDIUM)
2020-05-13		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 5.0		-0.69 ± 2.59
GJ486b (MEDIUM)
2020-05-10		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 20.0		0.95 ± 3.02
GJ486b (MEDIUM)
2020-05-10		MUSCAT Team
Teide Observatory		Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 25.0		-1.64 ± 3.31

Space Observations
Planet
Observation Date		 Mission O-C
minutes
GJ486b (MEDIUM)
2022-04-21		TESS1.4 ± 1.25
GJ486b (MEDIUM)
2022-04-20		TESS-0.13 ± 0.66
GJ486b (MEDIUM)
2022-04-18		TESS0.45 ± 0.71
GJ486b (MEDIUM)
2022-04-17		TESS1.3 ± 0.84
GJ486b (MEDIUM)
2022-04-15		TESS0.94 ± 1.2
GJ486b (MEDIUM)
2022-04-08		TESS0.19 ± 1.22
GJ486b (MEDIUM)
2022-04-06		TESS-0.38 ± 0.69
GJ486b (MEDIUM)
2022-04-05		TESS-0.17 ± 1.73
GJ486b (MEDIUM)
2022-04-04		TESS-3.35 ± 0.81
GJ486b (MEDIUM)
2022-04-02		TESS0.83 ± 0.72
GJ486b (MEDIUM)
2022-04-01		TESS0.79 ± 4.75
GJ486b (MEDIUM)
2020-04-15		TESS0.87 ± 0.81
GJ486b (MEDIUM)
2020-04-13		TESS0.75 ± 0.66
GJ486b (MEDIUM)
2020-04-12		TESS-2.87 ± 0.78
GJ486b (MEDIUM)
2020-04-10		TESS0.26 ± 0.88
GJ486b (MEDIUM)
2020-04-09		TESS2.02 ± 1.24
GJ486b (MEDIUM)
2020-04-07		TESS-0.96 ± 5.18
GJ486b (MEDIUM)
2020-03-31		TESS1.93 ± 1.73
GJ486b (MEDIUM)
2020-03-29		TESS-0.43 ± 0.98
GJ486b (MEDIUM)
2020-03-28		TESS-0.6 ± 2.16
GJ486b (MEDIUM)
2020-03-27		TESS1.74 ± 2.59
GJ486b (MEDIUM)
2020-03-25		TESS1.77 ± 2.74
GJ486b (MEDIUM)
2020-03-24		TESS0.06 ± 1.28
GJ486b (MEDIUM)
2020-03-22		TESS-1.24 ± 1.14
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