exoclock

HAT-P-42b (HIGH)

Discovered by: Boisse et al. 2013

The Star
Simbad
GAIA
2MASS		 HAT-P-42
DR2 583455604761166848
J09012265+0605500
RA 09:01:22.6490 DEC +06:05:50.015
Parallax
2.44 mas		 P.M. RA
-2.911 mas/y		 P.M. DEC
-33.389 mas/y
MagV
12.17		 MagR
12.02		 MagI*
11.44		 MagJ
10.96		 MagH
10.677		 MagK
10.626
MagG
12.003		 MagGBP
12.354		 MagGRP
11.508
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458941.87092 ± 0.0002 BJDTDB
Period
4.64183885 ± 8.7e-07 days
Transit Parameters
Boisse et al. 2013
Rp/Rs
0.086 ± 0.003		 a/Rs
8.1 +0.8 -0.5
 i
85.9 +1.3 -0.8 deg
e
-		 ω
- deg
DepthR*
8.94 mmag		 Duration*
4.04 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Boisse et al. 2013
Teff
5743.0 +50.0 -50.0 K
 Log(g)
4.14 +0.07 -0.07 cm/s2
 Fe/H
0.27 +0.08 -0.08 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 7.81"
Total Observations (Recent) 33 (1)
O-C -1.97 ± 1.69 minutes
ExoClock Observations (Recent) 6 (1)
Space Observations (Recent) 26 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08425 ± 0.00045

HAT-P-42b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-42b (HIGH)
2024-01-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-2.36 ± 1.73
HAT-P-42b (HIGH)
2023-03-19		Aziz Ettahar Kaeouach
High Atlas Observatory		PlaneWave CDK 12.5
Zwo asi 294 mm pro / R / 120.0		6.23 ± 7.92
HAT-P-42b (HIGH)
2022-02-22		Fran Campos
Puig d'Agulles Observtory		RC14" on EQ8 German mount
SBIG ST-8XME / R / 177.0		3.01 ± 3.46
HAT-P-42b (HIGH)
2022-02-22		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 150.0		2.0 ± 2.74
HAT-P-42b (HIGH)
2022-02-22		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 120.0		1.43 ± 4.32
HAT-P-42b (HIGH)
2021-03-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.04 ± 2.74

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-42b (HIGH)
2021-12-29		TESS1.52 ± 1.58
HAT-P-42b (HIGH)
2021-12-24		TESS3.02 ± 2.16
HAT-P-42b (HIGH)
2021-12-20		TESS-0.67 ± 1.73
HAT-P-42b (HIGH)
2021-12-15		TESS-2.92 ± 2.02
HAT-P-42b (HIGH)
2021-12-10		TESS0.02 ± 2.16
HAT-P-42b (HIGH)
2021-12-06		TESS1.08 ± 1.87
HAT-P-42b (HIGH)
2021-12-01		TESS-1.6 ± 1.87
HAT-P-42b (HIGH)
2021-11-26		TESS0.04 ± 2.02
HAT-P-42b (HIGH)
2021-11-22		TESS2.11 ± 2.74
HAT-P-42b (HIGH)
2021-11-17		TESS-1.57 ± 2.16
HAT-P-42b (HIGH)
2021-11-12		TESS-0.22 ± 2.02
HAT-P-42b (HIGH)
2021-11-08		TESS0.84 ± 1.87
HAT-P-42b (HIGH)
2021-11-03		TESS-2.41 ± 2.16
HAT-P-42b (HIGH)
2021-10-29		TESS0.95 ± 1.87
HAT-P-42b (HIGH)
2021-10-20		TESS-1.81 ± 2.3
HAT-P-42b (HIGH)
2021-10-16		TESS-2.62 ± 2.45
HAT-P-42b (HIGH)
2021-02-07		TESS-0.32 ± 2.3
HAT-P-42b (HIGH)
2021-02-02		TESS-0.12 ± 2.02
HAT-P-42b (HIGH)
2021-01-29		TESS0.51 ± 1.87
HAT-P-42b (HIGH)
2021-01-24		TESS1.29 ± 2.3
HAT-P-42b (HIGH)
2021-01-19		TESS4.37 ± 2.02
HAT-P-42b (HIGH)
2021-01-15		TESS0.53 ± 1.73
HAT-P-42b (HIGH)
2019-02-23		TESS-2.22 ± 2.02
HAT-P-42b (HIGH)
2019-02-14		TESS-1.39 ± 1.87
HAT-P-42b (HIGH)
2019-02-09		TESS-0.18 ± 1.73
HAT-P-42b (HIGH)
2019-02-04		TESS0.31 ± 2.02

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2012-01-26 Boisse et al. 2013 0.19 ± 1.11
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