exoclock

WASP-25b (LOW)

Discovered by: Enoch et al. 2011

The Star
Simbad
GAIA
2MASS		 WASP-25
DR2 6186950525042445824
J13012637-2731199
RA 13:01:26.3760 DEC -27:31:19.920
Parallax
4.701 mas		 P.M. RA
-29.268 mas/y		 P.M. DEC
-6.293 mas/y
MagV
11.87		 MagR
11.82		 MagI
11.08		 MagJ
10.596		 MagH
10.268		 MagK
10.174
MagG
11.688		 MagGBP
12.068		 MagGRP
11.166
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457744.72776 ± 0.00017 BJDTDB
Period
3.76483342 ± 3.7e-07 days
Transit Parameters
Southworth et al. 2014
Rp/Rs
0.1387 ± 0.001		 a/Rs
11.22 +0.18 -0.17
 i
88.1 +0.3 -0.3 deg
e
-		 ω
- deg
DepthR*
24.96 mmag		 Duration*
2.76 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Enoch et al. 2011
Teff
5703.0 +100.0 -100.0 K
 Log(g)
4.51 +0.04 -0.04 cm/s2
 Fe/H
-0.05 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.41"
Total Observations (Recent) 27 (4)
O-C -0.75 ± 0.31 minutes
ExoClock Observations (Recent) 16 (4)
Space Observations (Recent) 5 (0)
ETD Observations (Recent) 5 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.13843 ± 0.00055

WASP-25b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-25b (LOW)
2023-05-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 90.0		0.18 ± 0.53
WASP-25b (LOW)
2023-05-03		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		-0.84 ± 0.81
WASP-25b (LOW)
2023-04-18		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 90.0		-0.77 ± 0.55
WASP-25b (LOW)
2023-01-25		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-2.52 ± 0.76
WASP-25b (LOW)
2021-07-17		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		2.07 ± 0.58
WASP-25b (LOW)
2021-05-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.57 ± 0.72
WASP-25b (LOW)
2021-04-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		0.29 ± 0.58
WASP-25b (LOW)
2021-03-26		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		0.2 ± 0.72
WASP-25b (LOW)
2021-03-22		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		0.53 ± 0.72
WASP-25b (LOW)
2021-02-23		Billy Edwards
Sutherland Observatory		LCO Meade
SBIG STX6303 / rpr / 30.286		0.01 ± 1.01
WASP-25b (LOW)
2020-07-13		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		4.05 ± 1.01
WASP-25b (LOW)
2020-05-10		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Clear / 120.0		1.41 ± 0.86
WASP-25b (LOW)
2020-05-10		Phil Evans
El Sauce		Planewave CDK14
SBIG STT 1603-3 / R / 60.0		-1.76 ± 0.58
WASP-25b (LOW)
2020-03-22		Phil Evans
El Sauce		Planewave CDK14
SBIG STT 1603-3 / R / 120.0		0.88 ± 0.72
WASP-25b (LOW)
2018-05-22		Leandro de Almeida
Observatório do Pico dos Dias		0.6m Boller & Chivens f/13.49
Andor Ikon 14912 CCD / I / 60.0		0.48 ± 0.42
WASP-25b (LOW)
2018-05-22		Leandro de Almeida
Observatório do Pico dos Dias		1.6m Perkin-Elmer f/10
Andor Ikon 9867 CCD / V / 30.0		-0.59 ± 0.46

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-25b (LOW)
2019-04-18		TESS-0.79 ± 0.5
WASP-25b (LOW)
2019-04-14		TESS-0.12 ± 0.5
WASP-25b (LOW)
2019-04-07		TESS-0.72 ± 0.49
WASP-25b (LOW)
2019-04-03		TESS0.11 ± 0.48
WASP-25b (LOW)
2019-03-30		TESS-1.0 ± 0.48

ETD Observations
Planet
Observation Date		 Observer(s) ETD link O-C
minutes
WASP-25b (LOW)
2018-06-21		suricate4815296809014.17 ± 2.45
WASP-25b (LOW)
2016-05-25		Phil Evans1464295678-0.85 ± 0.86
WASP-25b (LOW)
2013-05-18		Phil Evans13689026900.01 ± 0.86
WASP-25b (LOW)
2011-04-26		Phil Evans1303852713-2.75 ± 0.86
WASP-25b (LOW)
2011-04-07		Ivan Curtis13023019050.22 ± 1.58

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2010-03-19 Enoch et al. 2011 0.37 ± 0.24
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