exoclock

HATS-53b (MEDIUM)

Discovered by: Henning et al. 2018

The Star
Simbad
GAIA
2MASS		 HATS-53
DR2 3465357945752055040
J11463084-3351361
RA 11:46:30.8411 DEC -33:51:36.203
Parallax
1.679 mas		 P.M. RA
-35.023 mas/y		 P.M. DEC
-4.597 mas/y
MagV
13.944		 MagR*
13.418		 MagI*
13.13		 MagJ
12.458		 MagH
12.088		 MagK
12.046
MagG
13.656		 MagGBP
14.05		 MagGRP
13.108
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459182.91449 ± 0.00022 BJDTDB
Period
3.85377616 ± 8.1e-07 days
Transit Parameters
Henning et al. 2018
Rp/Rs
0.125 ± 0.0028		 a/Rs
9.3 +0.15 -0.22
 i
88.78 +0.55 -0.55 deg
e
-		 ω
- deg
DepthR*
20.85 mmag		 Duration*
3.51 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Henning et al. 2018
Teff
5644.0 +94.0 -94.0 K
 Log(g)
4.34 +0.02 -0.02 cm/s2
 Fe/H
0.0 +0.0 -0.0 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 9.16"
Total Observations (Recent) 31 (2)
O-C 1.8 ± 0.87 minutes
ExoClock Observations (Recent) 12 (2)
Space Observations (Recent) 18 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1278 ± 0.001

HATS-53b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HATS-53b (MEDIUM)
2026-04-10		Jean-Pascal Vignes
Deep Sky Chile		PlaneWave CDK 17"
QHYCCD 600 M / V / 120.0		3.54 ± 1.21
HATS-53b (MEDIUM)
2026-01-19		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 178.0		0.68 ± 1.44
HATS-53b (MEDIUM)
2024-04-27		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.58 ± 2.59
HATS-53b (MEDIUM)
2024-04-04		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		1.54 ± 1.58
HATS-53b (MEDIUM)
2024-03-31		JeanLouis Tressol
HRT		RC360
Moravian C3-61000 Pro / Lum / 160.0		1.07 ± 2.88
HATS-53b (MEDIUM)
2024-03-31		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		-0.66 ± 2.74
HATS-53b (MEDIUM)
2023-02-28		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.23 ± 0.82
HATS-53b (MEDIUM)
2023-02-28		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 90.0		-0.49 ± 1.14
HATS-53b (MEDIUM)
2023-02-01		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.75 ± 1.24
HATS-53b (MEDIUM)
2022-06-15		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 240.0		-4.91 ± 2.59
HATS-53b (MEDIUM)
2022-02-27		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-0.83 ± 1.44
HATS-53b (MEDIUM)
2020-05-09		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.35 ± 1.15

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HATS-53b (MEDIUM)
2023-04-03		TESS1.59 ± 2.02
HATS-53b (MEDIUM)
2023-03-31		TESS2.99 ± 2.45
HATS-53b (MEDIUM)
2023-03-27		TESS2.38 ± 2.02
HATS-53b (MEDIUM)
2023-03-23		TESS-0.24 ± 2.3
HATS-53b (MEDIUM)
2023-03-19		TESS-3.01 ± 2.16
HATS-53b (MEDIUM)
2023-03-15		TESS1.85 ± 2.74
HATS-53b (MEDIUM)
2023-03-11		TESS-0.78 ± 2.59
HATS-53b (MEDIUM)
2021-04-24		TESS1.89 ± 2.16
HATS-53b (MEDIUM)
2021-04-20		TESS0.42 ± 2.74
HATS-53b (MEDIUM)
2021-04-17		TESS-0.77 ± 2.45
HATS-53b (MEDIUM)
2021-04-13		TESS1.79 ± 2.16
HATS-53b (MEDIUM)
2021-04-09		TESS2.48 ± 2.3
HATS-53b (MEDIUM)
2021-04-05		TESS-0.72 ± 2.02
HATS-53b (MEDIUM)
2021-03-28		TESS1.37 ± 2.16
HATS-53b (MEDIUM)
2021-03-25		TESS0.32 ± 2.59
HATS-53b (MEDIUM)
2021-03-17		TESS4.72 ± 2.3
HATS-53b (MEDIUM)
2021-03-13		TESS0.8 ± 2.59
HATS-53b (MEDIUM)
2021-03-09		TESS0.19 ± 2.59

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2015-08-02 Henning et al. 2018 -0.3 ± 0.71
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