exoclock

WASP-173Ab (LOW)

Discovered by: Hellier et al. 2019

The Star
Simbad
GAIA
2MASS		 CD-35 15858A
DR2 2323985539482908416
J23364036-3436404
RA 23:36:40.3765 DEC -34:36:40.562
Parallax
4.264 mas		 P.M. RA
87.963 mas/y		 P.M. DEC
-8.556 mas/y
MagV
11.15		 MagR
11.5		 MagI*
10.425		 MagJ
10.374		 MagH
10.084		 MagK
10.002
MagG
11.397		 MagGBP
11.751		 MagGRP
10.911
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458504.95428 ± 9.7e-05 BJDTDB
Period
1.38665333 ± 2.3e-07 days
Transit Parameters
Hellier et al. 2019
Rp/Rs
0.1109 ± 0.0009		 a/Rs**
4.78 +0.17 -0.17
 i
85.2 +1.1 -1.1 deg
e
-		 ω
- deg
DepthR*
15.74 mmag		 Duration*
2.32 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2019
Teff
5800.0 +140.0 -140.0 K
 Log(g)
4.37 +0.03 -0.03 cm/s2
 Fe/H
0.16 +0.14 -0.14 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 39 (3)
O-C -2.15 ± 0.65 minutes
ExoClock Observations (Recent) 5 (3)
Space Observations (Recent) 33 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.11149 ± 0.00031

WASP-173Ab


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
WASP-173Ab (LOW)
2023-09-13		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		-4.53 ± 1.24
WASP-173Ab (LOW)
2023-09-09		Luciano Correa
Pico dos Dias		Perkin-Elmer
Andor iKon-L CCD / R / 15.0		-1.86 ± 0.82
WASP-173Ab (LOW)
2023-08-15		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / V / 30.0		6.65 ± 3.17
WASP-173Ab (LOW)
2022-10-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-0.46 ± 2.59
WASP-173Ab (LOW)
2021-06-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		1.01 ± 1.15

Space Observations
Planet
Observation Date		 Mission O-C
minutes
WASP-173Ab (LOW)
2020-09-19		TESS-0.95 ± 0.71
WASP-173Ab (LOW)
2020-09-18		TESS0.17 ± 0.65
WASP-173Ab (LOW)
2020-09-17		TESS-0.16 ± 0.65
WASP-173Ab (LOW)
2020-09-15		TESS1.83 ± 0.62
WASP-173Ab (LOW)
2020-09-14		TESS-0.83 ± 0.71
WASP-173Ab (LOW)
2020-09-12		TESS1.05 ± 0.69
WASP-173Ab (LOW)
2020-09-11		TESS-1.18 ± 0.69
WASP-173Ab (LOW)
2020-09-10		TESS-0.28 ± 0.69
WASP-173Ab (LOW)
2020-09-04		TESS0.13 ± 0.66
WASP-173Ab (LOW)
2020-09-03		TESS0.03 ± 0.65
WASP-173Ab (LOW)
2020-09-01		TESS0.04 ± 0.76
WASP-173Ab (LOW)
2020-08-31		TESS-0.94 ± 0.71
WASP-173Ab (LOW)
2020-08-30		TESS1.05 ± 0.69
WASP-173Ab (LOW)
2020-08-28		TESS-0.6 ± 0.69
WASP-173Ab (LOW)
2020-08-27		TESS-0.69 ± 0.68
WASP-173Ab (LOW)
2018-09-18		TESS-0.89 ± 0.78
WASP-173Ab (LOW)
2018-09-17		TESS1.72 ± 0.62
WASP-173Ab (LOW)
2018-09-15		TESS0.54 ± 0.76
WASP-173Ab (LOW)
2018-09-14		TESS1.01 ± 0.71
WASP-173Ab (LOW)
2018-09-13		TESS0.47 ± 0.69
WASP-173Ab (LOW)
2018-09-11		TESS-0.45 ± 0.66
WASP-173Ab (LOW)
2018-09-10		TESS0.06 ± 0.63
WASP-173Ab (LOW)
2018-09-08		TESS-1.45 ± 0.68
WASP-173Ab (LOW)
2018-09-07		TESS-1.09 ± 0.68
WASP-173Ab (LOW)
2018-09-04		TESS-1.18 ± 0.68
WASP-173Ab (LOW)
2018-09-03		TESS-0.06 ± 0.69
WASP-173Ab (LOW)
2018-09-02		TESS-0.88 ± 0.62
WASP-173Ab (LOW)
2018-08-31		TESS0.78 ± 0.71
WASP-173Ab (LOW)
2018-08-30		TESS0.4 ± 0.63
WASP-173Ab (LOW)
2018-08-28		TESS0.81 ± 0.71
WASP-173Ab (LOW)
2018-08-27		TESS-1.05 ± 0.76
WASP-173Ab (LOW)
2018-08-26		TESS1.42 ± 0.66
WASP-173Ab (LOW)
2018-08-24		TESS-0.07 ± 0.66

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2015-09-23 Hellier et al. 2019 -0.01 ± 0.29
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