exoclock

HAT-P-24b (LOW)

Discovered by: Kipping et al. 2010

The Star
Simbad
GAIA
2MASS		 HAT-P-24
DR2 3167323052618369408
J07151801+1415453
RA 07:15:18.0194 DEC +14:15:45.409
Parallax
2.379 mas		 P.M. RA
8.152 mas/y		 P.M. DEC
-1.716 mas/y
MagV
11.76		 MagR
11.71		 MagI*
11.215		 MagJ
10.797		 MagH
10.589		 MagK
10.543
MagG
11.64		 MagGBP
11.883		 MagGRP
11.252
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458495.05107 ± 0.00011 BJDTDB
Period
3.35524454 ± 2e-07 days
Transit Parameters
Kipping et al. 2010
Rp/Rs
0.097 ± 0.0012		 a/Rs
7.6 +0.3 -0.3
 i
88.6 +0.7 -0.7 deg
e
0.067 +0.024 -0.024
 ω
197.0 +36.0 -36.0 deg
DepthR*
12.27 mmag		 Duration*
3.72 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Kipping et al. 2010
Teff
6373.0 +80.0 -80.0 K
 Log(g)
4.27 +0.04 -0.04 cm/s2
 Fe/H
-0.16 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.27"
Total Observations (Recent) 68 (4)
O-C -2.43 ± 0.68 minutes
ExoClock Observations (Recent) 18 (4)
Space Observations (Recent) 43 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 7 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.09875 ± 0.00024

HAT-P-24b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-24b (LOW)
2026-03-05		Stefan Brenner
NOE Volkssternwarte AST		Martini-Truss mit Zambuto 11“ f/4,7
Omegon veTEC 571 C / Clear / 120.0		-3.06 ± 2.59
HAT-P-24b (LOW)
2026-02-23		Alessandro Nastasi
Galhassin Robotic Telescope		Officina Stellare RiLa 400
CMOS Moravian C4-16000 / rpr / 30.0		-2.58 ± 1.87
HAT-P-24b (LOW)
2026-01-04		Kohji Tsumura
Tokyo City University		Vixen VC200L
ZWO ASI 1600MM-PRO / R / 360.0		-4.93 ± 5.62
HAT-P-24b (LOW)
2025-12-08		Ting-Shuo Yeh
Lulin Obs-Latte		Planewave CDK20 (f/6.8 version)
Moravian Instruments C5A-100M / R / 30.0		-4.41 ± 1.04
HAT-P-24b (LOW)
2025-02-03		Michael Irzyk
melun		C14
altair 2600 / AstrodonExoPlanet-BB / 60.0		0.48 ± 1.58
HAT-P-24b (LOW)
2025-01-23		Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe		C9.25
QHY9 / R / 120.0		-0.05 ± 2.16
HAT-P-24b (LOW)
2025-01-23		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		-0.19 ± 2.45
HAT-P-24b (LOW)
2024-02-16		Vikrant Kumar Agnihotri
Cepheid Observatory India		GSO Ritchey–Chrétien
Atik383L+ mono / Lum / 120.0		-1.28 ± 2.16
HAT-P-24b (LOW)
2024-01-20		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 240.0		0.18 ± 1.3
HAT-P-24b (LOW)
2023-11-18		Miguel Ángel Álava Amat
Sarriguren		Meade SC 8"
Asi 1600 MM / Lum / 180.0		-0.27 ± 2.02
HAT-P-24b (LOW)
2023-11-08		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0		1.97 ± 1.2
HAT-P-24b (LOW)
2023-02-15		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0		-1.2 ± 2.16
HAT-P-24b (LOW)
2023-01-30		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 90.0		-2.18 ± 1.58
HAT-P-24b (LOW)
2022-01-05		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / Clear / 60.0		1.37 ± 2.02
HAT-P-24b (LOW)
2021-02-07		Jean PLAZAS
Ribot Observatory		C14
FLI Microline / R / 45.0		2.83 ± 4.18
HAT-P-24b (LOW)
2020-02-24		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / Clear / 120.0		0.43 ± 1.15
HAT-P-24b (LOW)
2020-01-29		John Savage
Z42 Rushay Farm Observatory		Celeston 14Edge with focal reducer
ATIK One 9.0 / R / 180.0		1.52 ± 4.32
HAT-P-24b (LOW)
2011-02-06		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / Clear / 120.0		1.68 ± 0.86

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-24b (LOW)
2023-12-04		TESS0.88 ± 0.95
HAT-P-24b (LOW)
2023-12-01		TESS-1.2 ± 1.01
HAT-P-24b (LOW)
2023-11-28		TESS0.42 ± 1.01
HAT-P-24b (LOW)
2023-11-21		TESS0.04 ± 0.94
HAT-P-24b (LOW)
2023-11-14		TESS-2.02 ± 1.15
HAT-P-24b (LOW)
2023-11-08		TESS0.5 ± 1.02
HAT-P-24b (LOW)
2023-11-04		TESS1.01 ± 1.28
HAT-P-24b (LOW)
2023-11-01		TESS1.68 ± 1.04
HAT-P-24b (LOW)
2023-10-25		TESS0.71 ± 0.84
HAT-P-24b (LOW)
2023-10-22		TESS0.69 ± 0.95
HAT-P-24b (LOW)
2023-10-18		TESS0.57 ± 1.07
HAT-P-24b (LOW)
2021-12-26		TESS-1.54 ± 0.98
HAT-P-24b (LOW)
2021-12-23		TESS-1.03 ± 1.08
HAT-P-24b (LOW)
2021-12-20		TESS0.3 ± 1.15
HAT-P-24b (LOW)
2021-12-13		TESS1.9 ± 1.04
HAT-P-24b (LOW)
2021-12-10		TESS-0.89 ± 0.88
HAT-P-24b (LOW)
2021-12-06		TESS1.27 ± 1.02
HAT-P-24b (LOW)
2021-11-30		TESS0.58 ± 1.15
HAT-P-24b (LOW)
2021-11-26		TESS-0.75 ± 1.04
HAT-P-24b (LOW)
2021-11-23		TESS0.83 ± 1.05
HAT-P-24b (LOW)
2021-11-16		TESS2.03 ± 1.18
HAT-P-24b (LOW)
2021-11-13		TESS-1.36 ± 0.94
HAT-P-24b (LOW)
2021-11-09		TESS-0.43 ± 1.24
HAT-P-24b (LOW)
2021-11-03		TESS-0.6 ± 0.96
HAT-P-24b (LOW)
2021-10-30		TESS-0.58 ± 1.14
HAT-P-24b (LOW)
2021-10-27		TESS1.17 ± 1.11
HAT-P-24b (LOW)
2021-10-20		TESS-2.91 ± 1.15
HAT-P-24b (LOW)
2021-10-17		TESS-0.8 ± 0.96
HAT-P-24b (LOW)
2021-10-14		TESS0.67 ± 1.04
HAT-P-24b (LOW)
2021-01-11		TESS-1.71 ± 0.98
HAT-P-24b (LOW)
2021-01-08		TESS-0.64 ± 1.07
HAT-P-24b (LOW)
2021-01-05		TESS0.2 ± 1.04
HAT-P-24b (LOW)
2021-01-01		TESS-0.24 ± 1.09
HAT-P-24b (LOW)
2020-12-29		TESS1.02 ± 1.05
HAT-P-24b (LOW)
2020-12-26		TESS-1.68 ± 0.98
HAT-P-24b (LOW)
2020-12-22		TESS-1.79 ± 1.17
HAT-P-24b (LOW)
2020-12-19		TESS-1.03 ± 1.17
HAT-P-24b (LOW)
2019-01-31		TESS0.81 ± 1.11
HAT-P-24b (LOW)
2019-01-28		TESS-1.83 ± 1.07
HAT-P-24b (LOW)
2019-01-24		TESS1.31 ± 1.08
HAT-P-24b (LOW)
2019-01-18		TESS-1.77 ± 1.17
HAT-P-24b (LOW)
2019-01-14		TESS1.62 ± 1.3
HAT-P-24b (LOW)
2019-01-11		TESS0.35 ± 1.18

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2016-01-13 Wang et al. 2021 0.13 ± 0.84
2015-02-18 Kjurkchieva et al. 2016 2.28 ± 0.69
2011-03-09 Wang et al. 2013 -1.34 ± 0.49
2010-02-16 Kipping et al. 2010 0.56 ± 0.43
2010-02-06 Kipping et al. 2010 0.81 ± 1.18
2010-01-17 Kipping et al. 2010 -0.52 ± 0.94
2010-01-10 Kipping et al. 2010 0.29 ± 0.89
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