exoclock

WASP-153b (LOW)

Discovered by: Demangeon et al. 2018

The Star
Simbad
GAIA
2MASS		 WASP-153
DR2 2110106372987465216
J18370297+4001073
RA 18:37:02.9816 DEC +40:01:07.282
Parallax
1.61 mas		 P.M. RA
8.779 mas/y		 P.M. DEC
0.25 mas/y
MagV
12.8		 MagR*
12.273		 MagI*
12.072		 MagJ
11.408		 MagH
11.138		 MagK
11.051
MagG
12.497		 MagGBP
12.847		 MagGRP
12.003
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459294.53954 ± 0.00027 BJDTDB
Period
3.3326096 ± 1.2e-06 days
Transit Parameters
Demangeon et al. 2018
Rp/Rs
0.092 ± 0.001		 a/Rs
6.0 +0.3 -0.2
 i
84.1 +0.7 -0.7 deg
e
-		 ω
- deg
DepthR*
10.04 mmag		 Duration*
3.86 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Demangeon et al. 2018
Teff
5914.0 +64.0 -64.0 K
 Log(g)
4.1 +0.06 -0.06 cm/s2
 Fe/H
0.34 +0.11 -0.11 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 7.58"
Total Observations (Recent) 53 (9)
O-C 3.35 ± 0.93 minutes
ExoClock Observations (Recent) 20 (9)
Space Observations (Recent) 32 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08973 ± 0.00054

WASP-153b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-153b (LOW)
2025-08-10		Javier Elias
Observatorio Astrocamp		Planewave CDK
QHY628M / R / 120.0		5.25 ± 3.31
WASP-153b (LOW)
2025-07-31		Mark van der Grijp
Raspay Observatory		C9.25 HD
ZWO2600 MM Pro / R / 80.0		-1.63 ± 3.89
WASP-153b (LOW)
2025-07-21		Giovanni Calapai
Home Astronomical Observatory		Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0		5.62 ± 2.16
WASP-153b (LOW)
2025-06-21		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		3.29 ± 2.02
WASP-153b (LOW)
2025-06-11		Christian Sartini
Chris31		C9 xlt Celestron
ASI 294MM PRO / Clear / 180.0		-0.84 ± 6.48
WASP-153b (LOW)
2025-04-12		Joerg Klaas
Wietesch		RC12”
ZWO AS6200MM / R / 35.0		0.99 ± 5.18
WASP-153b (LOW)
2025-04-12		David Bennett
Rickford Observatory		GSO RC
ZWO ASI2600MM Pro / Lum / 180.0		-1.46 ± 2.59
WASP-153b (LOW)
2025-04-02		David Bennett
Rickford Observatory		GSO RC
ZWO ASI2600MM Pro / Lum / 150.0		6.94 ± 2.3
WASP-153b (LOW)
2025-04-02		Laurent Miralabe
La Couyère		Meade
QSI 583 / rpr / 180.0		5.5 ± 4.18
WASP-153b (LOW)
2024-05-13		Alexey Garmash
Lyceum 130		EdgeHD C11
ASI2600MM pro / rpr / 240.0		0.79 ± 3.46
WASP-153b (LOW)
2022-09-01		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0		2.93 ± 2.88
WASP-153b (LOW)
2022-08-16		Bryan Martin
Tiger Butte Observatory		AG Optical IDK
ZWO ASI 294 / AstrodonExoPlanet-BB / 120.0		0.84 ± 4.32
WASP-153b (LOW)
2022-08-12		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0		2.87 ± 2.59
WASP-153b (LOW)
2022-06-27		Bryan Martin
Tiger Butte Obseratory		AG Opitcal
ZWO ASI 294 / AstrodonExoPlanet-BB / 120.0		-0.4 ± 5.76
WASP-153b (LOW)
2022-06-03		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / rpr / 30.0		-7.21 ± 4.32
WASP-153b (LOW)
2022-05-14		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 90.0		3.82 ± 5.76
WASP-153b (LOW)
2021-07-29		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / Lum / 120.0		-2.76 ± 2.74
WASP-153b (LOW)
2021-03-31		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / gpr / 60.0		-0.53 ± 4.32
WASP-153b (LOW)
2018-09-19		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		3.44 ± 1.44
WASP-153b (LOW)
2018-06-01		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Lum / 120.0		-1.57 ± 1.73

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-153b (LOW)
2022-08-02		TESS-0.69 ± 3.02
WASP-153b (LOW)
2022-07-30		TESS4.36 ± 3.17
WASP-153b (LOW)
2022-07-27		TESS1.5 ± 2.45
WASP-153b (LOW)
2022-07-23		TESS-1.66 ± 2.45
WASP-153b (LOW)
2022-07-20		TESS3.25 ± 2.45
WASP-153b (LOW)
2022-07-17		TESS1.54 ± 2.16
WASP-153b (LOW)
2022-07-13		TESS2.13 ± 3.17
WASP-153b (LOW)
2022-07-10		TESS-1.6 ± 2.16
WASP-153b (LOW)
2022-07-07		TESS-3.03 ± 2.59
WASP-153b (LOW)
2022-07-03		TESS2.03 ± 2.3
WASP-153b (LOW)
2022-06-30		TESS0.6 ± 2.45
WASP-153b (LOW)
2022-06-27		TESS0.61 ± 3.46
WASP-153b (LOW)
2022-06-23		TESS2.07 ± 2.45
WASP-153b (LOW)
2022-06-20		TESS0.35 ± 3.17
WASP-153b (LOW)
2022-06-17		TESS0.08 ± 2.45
WASP-153b (LOW)
2022-06-13		TESS-2.93 ± 2.88
WASP-153b (LOW)
2021-07-22		TESS3.46 ± 2.45
WASP-153b (LOW)
2021-07-19		TESS-1.42 ± 2.59
WASP-153b (LOW)
2021-07-15		TESS-5.29 ± 3.46
WASP-153b (LOW)
2021-07-12		TESS-0.96 ± 3.17
WASP-153b (LOW)
2021-07-05		TESS3.53 ± 2.3
WASP-153b (LOW)
2021-07-02		TESS-4.37 ± 2.45
WASP-153b (LOW)
2021-06-29		TESS1.26 ± 2.16
WASP-153b (LOW)
2021-06-25		TESS-1.9 ± 2.45
WASP-153b (LOW)
2020-07-04		TESS1.88 ± 2.3
WASP-153b (LOW)
2020-06-30		TESS-1.27 ± 2.02
WASP-153b (LOW)
2020-06-27		TESS-3.56 ± 2.74
WASP-153b (LOW)
2020-06-24		TESS-2.54 ± 2.02
WASP-153b (LOW)
2020-06-20		TESS-1.23 ± 2.88
WASP-153b (LOW)
2020-06-17		TESS-3.52 ± 2.45
WASP-153b (LOW)
2020-06-14		TESS1.54 ± 3.02
WASP-153b (LOW)
2020-06-10		TESS-1.91 ± 2.16

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2004-05-17 Demangeon et al. 2018 1.13 ± 4.32
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