exoclock

HAT-P-53b (LOW)

Discovered by: Hartman et al. 2015

The Star
Simbad
GAIA
2MASS		 HAT-P-53
DR2 323386882492982144
J01272906+3858053
RA 01:27:29.0645 DEC +38:58:05.259
Parallax
1.471 mas		 P.M. RA
-0.176 mas/y		 P.M. DEC
-3.236 mas/y
MagV
13.733		 MagR*
13.297		 MagI
13.126		 MagJ
12.468		 MagH
12.202		 MagK
12.1
MagG
13.514		 MagGBP
13.832		 MagGRP
13.033
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458687.5352 ± 0.00024 BJDTDB
Period
1.96162374 ± 3.1e-07 days
Transit Parameters
Hartman et al. 2015
Rp/Rs
0.112 ± 0.0019		 a/Rs
5.6 +0.3 -0.3
 i
86.2 +1.5 -1.5 deg
e
-		 ω
- deg
DepthR*
16.11 mmag		 Duration*
2.83 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2015
Teff
5956.0 +50.0 -50.0 K
 Log(g)
4.31 +0.04 -0.04 cm/s2
 Fe/H
0.0 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 8.77"
Total Observations (Recent) 65 (13)
O-C -0.2 ± 0.35 minutes
ExoClock Observations (Recent) 63 (13)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 2 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

HAT-P-53b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-53b (LOW)
2025-11-20		John Savage
Rushay Farm Z42		Skywatcher Esprit 150
ZWO ASI 6200MM / Lum / 60.0		-0.7 ± 2.02
HAT-P-53b (LOW)
2025-11-18		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Player One Astronomy Poseidon-M Pro (IMX571) / rpr / 150.0		7.25 ± 3.6
HAT-P-53b (LOW)
2025-11-18		Wilfried Hartmann
Observatory Stargate, Austria		Skywatcher 8" f/4
QHY MiniCam8 Mono / R / 109.0		-5.42 ± 6.34
HAT-P-53b (LOW)
2025-11-18		Snaevarr Guðmundsson
Ness Observatory		Meade LX 200 ACF Schmidt-Cassegrain
SBIG STL 11000M / R / 120.0		-8.16 ± 2.74
HAT-P-53b (LOW)
2025-11-10		samuel Diaz Lopez
Tomas Lopez (AstroCamp)		SCA260
ASI2600MM / rpr / 180.0		-3.85 ± 2.45
HAT-P-53b (LOW)
2025-10-06		Yen-Hsing Lin
Starry House Observatory		Mewlon 300 CRS
ASI 6200MM Pro / Lum / 60.0		2.82 ± 1.87
HAT-P-53b (LOW)
2025-09-20		Giovanni Calapai
Home Astronomical Observatory		Celestron 11 Schmidt-Cassegrain
Atik 314L+ / AstrodonExoPlanet-BB / 90.0		0.64 ± 1.87
HAT-P-53b (LOW)
2025-09-19		Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"		NEWTON 410/1710
Player One Astronomy Poseidon-M Pro (IMX571) / Clear / 70.0		7.3 ± 2.88
HAT-P-53b (LOW)
2025-09-19		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0		1.28 ± 0.99
HAT-P-53b (LOW)
2025-09-19		Wilfried Hartmann
Observatory Stargate, Austria		Skywatcher 8" f/4
QHY MiniCam8 Mono / R / 120.0		0.68 ± 5.33
HAT-P-53b (LOW)
2025-09-19		Damien Lachat
Jura-Observatory (IAU185)		TBC61 - Newton 24"
ASI294MM-Pro / Clear / 30.0		-1.28 ± 0.68
HAT-P-53b (LOW)
2025-09-17		Mark van der Grijp
Raspay Observatory		C9.25 HD
ZWO2600 MM Pro / Lum / 90.0		0.86 ± 1.87
HAT-P-53b (LOW)
2025-07-31		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0		2.83 ± 1.73
HAT-P-53b (LOW)
2025-01-14		Jordi González-Edo
Landete-Kea		C11
ASI 2600MM pro / Lum / 120.0		1.96 ± 2.74
HAT-P-53b (LOW)
2025-01-14		Federico Palaia
Civico osservatorio astronomico di Rozzano		Meade ACF
SBIG ST10-XME / Lum / 60.0		1.1 ± 1.87
HAT-P-53b (LOW)
2025-01-12		Jordi González-Edo
Landete-Kea		C11
ASI 2600MM pro / Lum / 120.0		5.16 ± 2.59
HAT-P-53b (LOW)
2024-10-14		Yen-Hsing Lin
NTHU Observatory		Showa 10"
ASI6200MM Pro / Lum / 120.0		2.56 ± 4.75
HAT-P-53b (LOW)
2024-10-14		Yen-Hsing Lin
Starry House Observatory		Mewlon 300 CRS
ASI 6200MM Pro / Lum / 60.0		1.12 ± 1.73
HAT-P-53b (LOW)
2024-09-28		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / Clear / 240.0		-1.52 ± 0.88
HAT-P-53b (LOW)
2024-08-06		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0		-1.43 ± 1.87
HAT-P-53b (LOW)
2024-08-06		Ian Sharp
PixelSkies		Celestron C11 Edge HD
Starlight Xpress Trius Pro SX694 / R / 120.0		-4.45 ± 2.45
HAT-P-53b (LOW)
2024-08-06		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 160.0		-11.51 ± 4.46
HAT-P-53b (LOW)
2024-08-05		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / V / 240.0		0.33 ± 2.16
HAT-P-53b (LOW)
2023-12-01		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 300.0		6.08 ± 3.02
HAT-P-53b (LOW)
2023-12-01		John Collins
JC_Wrexham		Meade LX200GPS
ASI-290m / Clear / 60.0		2.19 ± 2.45
HAT-P-53b (LOW)
2023-12-01		Snaevarr Guðmundsson
Ness Observatory		Meade LX 200 ACF Schmidt-Cassegrain
SBIG STL 11000M / AstrodonExoPlanet-BB / 120.0		-0.69 ± 1.58
HAT-P-53b (LOW)
2023-11-22		Marc Serrau
A77 - Dauban		Meade SC 12"
QHY260MM / rpr / 300.0		-1.09 ± 2.16
HAT-P-53b (LOW)
2023-11-04		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 180.0		0.37 ± 3.6
HAT-P-53b (LOW)
2023-10-11		Matthieu Bachschmidt
Gonachon		Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 90.0		1.21 ± 1.44
HAT-P-53b (LOW)
2023-10-09		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		2.11 ± 2.3
HAT-P-53b (LOW)
2023-10-09		Matthieu Bachschmidt
Gonachon		Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 90.0		0.38 ± 1.73
HAT-P-53b (LOW)
2023-10-07		Thomas Mollier
Tomastro		Newtonian
ZWO ASI1600MMC / rpr / 120.0		-0.59 ± 2.88
HAT-P-53b (LOW)
2023-10-07		Marc Serrau
A77 - Dauban		Meade SC 12"
QHY260MM / rpr / 300.0		-3.19 ± 1.73
HAT-P-53b (LOW)
2023-10-07		Matthieu Bachschmidt
Gonachon		Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 90.0		-3.33 ± 1.73
HAT-P-53b (LOW)
2023-10-05		Dominique DANIEL
La Montjoie		T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 120.0		0.02 ± 4.9
HAT-P-53b (LOW)
2023-08-15		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 180.0		0.33 ± 2.45
HAT-P-53b (LOW)
2023-08-14		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / Clear / 120.0		2.54 ± 1.04
HAT-P-53b (LOW)
2023-08-14		jean paul vergne
CH9-gapra		Ritchey Chretien
zwo 294mm pro / Lum / 180.0		0.08 ± 1.73
HAT-P-53b (LOW)
2023-08-12		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 240.0		-0.47 ± 2.3
HAT-P-53b (LOW)
2023-08-12		jean paul vergne
CH9-gapra		Ritchey Chretien
zwo 294mm pro / Clear / 180.0		-2.63 ± 4.46
HAT-P-53b (LOW)
2022-12-11		Dominique DANIEL
La Montjoie		T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 180.0		-0.69 ± 3.74
HAT-P-53b (LOW)
2022-10-27		Vikrant Kumar Agnihotri
Cepheid Observatory India		GSO Ritchey–Chrétien
SX-35 TRIUS mono (KAF11002) / Lum / 150.0		-1.2 ± 2.45
HAT-P-53b (LOW)
2022-10-17		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 240.0		-5.78 ± 4.75
HAT-P-53b (LOW)
2022-08-23		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 180.0		-0.94 ± 1.15
HAT-P-53b (LOW)
2022-08-20		David Wright
Yorick (private observatory)		10" Ritchey-Chretien
QSI 683WSG-8 / Lum / 300.0		1.15 ± 1.73
HAT-P-53b (LOW)
2022-08-20		David Molina
Anunaki Observatory Z51		Schmidt Cassegrain
SBIG ST-9xe / Clear / 120.0		0.72 ± 1.44
HAT-P-53b (LOW)
2022-08-20		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / Lum / 200.0		0.43 ± 1.58
HAT-P-53b (LOW)
2021-12-13		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		-2.57 ± 0.86
HAT-P-53b (LOW)
2021-10-25		David Wright
Yorick (private observatory)		10" Ritchey-Chretien
QSI 683WSG-8 / R / 200.0		-1.14 ± 4.32
HAT-P-53b (LOW)
2021-10-23		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		-5.29 ± 1.58
HAT-P-53b (LOW)
2021-08-31		Dim Stouraitis
Galilaios		SCT
SXVF-H9 Starlight-Xpress / R / 120.0		-0.47 ± 2.74
HAT-P-53b (LOW)
2020-11-06		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		-0.46 ± 2.59
HAT-P-53b (LOW)
2020-11-04		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		3.6 ± 1.01
HAT-P-53b (LOW)
2020-11-04		Stephen Futcher
Hampshire Astronomical Group, Clanfield		Ritchey-Chrétien (SX-46)
Starlight Xpress SX-46 / R / 120.0		1.73 ± 1.44
HAT-P-53b (LOW)
2020-09-05		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		-2.54 ± 1.73
HAT-P-53b (LOW)
2020-09-03		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 120.0		1.1 ± 3.17
HAT-P-53b (LOW)
2020-09-03		Marc Deldem
Les Barres Observatory		Celestron C8
SBIG ST8-XME / Clear / 180.0		-1.78 ± 1.87
HAT-P-53b (LOW)
2019-12-26		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		-1.44 ± 3.46
HAT-P-53b (LOW)
2019-12-24		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		3.35 ± 1.58
HAT-P-53b (LOW)
2018-09-16		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		-2.37 ± 2.45
HAT-P-53b (LOW)
2015-12-12		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		2.24 ± 0.86
HAT-P-53b (LOW)
2015-08-24		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 240.0		1.85 ± 1.44
HAT-P-53b (LOW)
2015-08-21		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 240.0		0.91 ± 1.15

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2017-12-11 Wang et al. 2021 -1.12 ± 1.73
2011-09-24 Hartman et al. 2015 -1.2 ± 0.63
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