exoclock

HAT-P-30b (LOW)

Discovered by: Johnson et al. 2011

The Star
Simbad
GAIA
2MASS		 BD+06 1909
DR2 3096441729861716224
J08154797+0550121
RA 08:15:47.9805 DEC +05:50:12.352
Parallax
4.645 mas		 P.M. RA
-17.516 mas/y		 P.M. DEC
23.782 mas/y
MagV
10.35		 MagR*
10.104		 MagI*
9.76		 MagJ
9.442		 MagH
9.22		 MagK
9.151
MagG
10.3		 MagGBP
10.577		 MagGRP
9.893
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457825.80333 ± 0.00011 BJDTDB
Period
2.81060097 ± 2.1e-07 days
Transit Parameters
Maciejewski et al. 2016
Rp/Rs
0.1109 ± 0.0016		 a/Rs
6.771 +0.013 -0.012
 i
82.7 +0.19 -0.19 deg
e
-		 ω
- deg
DepthR*
11.97 mmag		 Duration*
2.25 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Johnson et al. 2011
Teff
6304.0 +88.0 -88.0 K
 Log(g)
4.36 +0.03 -0.03 cm/s2
 Fe/H
0.13 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 68 (11)
O-C -0.14 ± 0.41 minutes
ExoClock Observations (Recent) 43 (11)
Space Observations (Recent) 16 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 9 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1097 ± 0.00032

HAT-P-30b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-30b (LOW)
2025-04-17		Alfredo Viegas
GRT South		AstroPhysics 130
QHY-600MM / R / 15.0		5.98 ± 2.88
HAT-P-30b (LOW)
2025-03-25		Richard C. Tzou
TCFSH Observatory		ASA Telescope 16N 400/1520 Astrograph OTA
Atik One 6.0 / R / 60.0		0.51 ± 4.61
HAT-P-30b (LOW)
2025-03-05		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / R / 75.0		3.4 ± 2.3
HAT-P-30b (LOW)
2025-03-05		John Savage
Rushay Farm Z42		Skywatcher Esprit 150
ZWO ASI 6200MM / Lum / 30.0		1.1 ± 2.74
HAT-P-30b (LOW)
2025-03-05		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 45.0		-0.63 ± 2.02
HAT-P-30b (LOW)
2025-03-05		Simon Dawes
William James II		Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 83.0		-1.49 ± 1.73
HAT-P-30b (LOW)
2025-03-05		Mark Salisbury
POST		Orion Optics ODK
SBIG ST-10 XME / R / 240.0		-2.21 ± 1.44
HAT-P-30b (LOW)
2025-03-05		John Collins
JC_Wrexham		Meade LX200GPS
ASI-290m / rpr / 20.0		-2.79 ± 2.74
HAT-P-30b (LOW)
2025-03-05		Matthieu Bachschmidt
Gonachon		Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 60.0		-3.91 ± 1.18
HAT-P-30b (LOW)
2025-01-31		Darryl Madison
Ajijic Observatory		Celestron CPC 800 Edge HD
ZWO2400MC / Clear / 60.0		-9.25 ± 2.74
HAT-P-30b (LOW)
2025-01-03		Daniel Kustrin
Daniel Kustrin		Sky Watcher Classic 200P
ZWO ASI2600MM-Pro / R / 90.0		4.44 ± 2.88
HAT-P-30b (LOW)
2024-04-13		Claudio Lopresti
Claudio Lopresti		Meade LX200 12"
CCD Sbig ST9xe / I / 90.0		-5.79 ± 1.87
HAT-P-30b (LOW)
2024-03-19		Richard C. Tzou
TCFSH Observatory		ASA Telescope 16N 400/1520 Astrograph OTA
Atik One 6.0 / R / 60.0		-0.17 ± 2.45
HAT-P-30b (LOW)
2024-02-28		Lluis Ribe
Les Pedritxes		Celestron
Moravian G3 16200 / R / 60.0		-2.32 ± 2.88
HAT-P-30b (LOW)
2024-02-14		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		0.08 ± 1.28
HAT-P-30b (LOW)
2024-02-14		Alessandro Marchini
Astronomical Observatory University of Siena		Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 120.0		-0.23 ± 1.38
HAT-P-30b (LOW)
2024-02-14		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 180.0		-0.72 ± 2.59
HAT-P-30b (LOW)
2024-02-12		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 45.0		-0.0 ± 2.16
HAT-P-30b (LOW)
2024-01-28		Attilio Bruzzone
Anxanum Observatory		LX200 ACF 10"
QHY 268M / R / 120.0		0.44 ± 3.46
HAT-P-30b (LOW)
2024-01-17		Vikrant Kumar Agnihotri
Cepheid Observatory India		GSO Ritchey–Chrétien
Atik383L+ mono / Lum / 90.0		2.64 ± 1.38
HAT-P-30b (LOW)
2023-11-14		Javier Alonso Santiago
INAF-OACT		Cassegrain 91cm
Moravian C4-1600EC / R / 15.0		5.48 ± 1.18
HAT-P-30b (LOW)
2023-04-08		Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY		Newton T305
QSI 683WS / R / 60.0		-1.58 ± 2.3
HAT-P-30b (LOW)
2023-02-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 30.0		-3.31 ± 1.35
HAT-P-30b (LOW)
2023-01-22		Mercedes Correa
Sirius B		Meade
Moravian G2 1600 / R / 60.0		1.92 ± 3.17
HAT-P-30b (LOW)
2023-01-20		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 30.0		0.38 ± 1.12
HAT-P-30b (LOW)
2022-12-17		Bryan Martin
Tiger Butte Observatory Remote		AG Optical IDK
ZWO ASI 294 / R / 60.0		-2.67 ± 3.89
HAT-P-30b (LOW)
2022-01-16		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 60.0		-1.07 ± 2.59
HAT-P-30b (LOW)
2021-03-27		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / gpr / 45.0		1.53 ± 2.02
HAT-P-30b (LOW)
2021-02-10		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave 2
ZWO ASI6200 / R / 120.0		4.14 ± 3.02
HAT-P-30b (LOW)
2021-02-10		John Savage
Z42 Rushay Farm Observatory		Celestron 14Edge FR
ZWO ASI6200MM / R / 120.0		3.28 ± 1.15
HAT-P-30b (LOW)
2021-02-08		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		2.99 ± 1.15
HAT-P-30b (LOW)
2021-02-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		-2.48 ± 2.02
HAT-P-30b (LOW)
2021-01-22		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 120.0		1.7 ± 1.73
HAT-P-30b (LOW)
2020-12-11		Jean-Claude MARIO
Observatoire de la Cabergue		Astrosib RC 360
Moravian G4-16000 / Lum / 120.0		0.43 ± 1.3
HAT-P-30b (LOW)
2020-12-08		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / R / 60.0		-0.43 ± 1.44
HAT-P-30b (LOW)
2020-11-27		Nikolaos Paschalis
Nunki Observatory		Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0		5.04 ± 2.59
HAT-P-30b (LOW)
2020-04-04		Simon Dawes
William James II Observatory		Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 40.0		3.29 ± 2.45
HAT-P-30b (LOW)
2020-04-04		Martin Crow
Burnham Observatory		Celestron C9.25
SX694 mono / R / 60.0		-0.6 ± 1.87
HAT-P-30b (LOW)
2020-02-05		Valère Perroud
Observatoire de Duines		RC 10
Moravian G2-4000 / V / 120.0		-0.86 ± 2.45
HAT-P-30b (LOW)
2020-02-05		Claudio Lopresti
Claudio Lopresti		Mak-Newton
CCD Sbig ST10xme / I / 300.0		-2.44 ± 2.16
HAT-P-30b (LOW)
2019-02-13		Anaël Wünsche
Observatoire des Baronnies Provençales		CDK Planewave
SBIG STL11K / V / 60.0		4.07 ± 1.3
HAT-P-30b (LOW)
2018-02-22		Anaël Wünsche
Observatoire des Baronnies Provençales		Astelco
FLIPL230 / Clear / 120.0		3.53 ± 1.87
HAT-P-30b (LOW)
2012-11-09		Ramon Naves
Montcabrer		Meade LX200 12" ACF
Sbig ST8xme / R / 120.0		2.9 ± 1.58

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-30b (LOW)
2021-02-08		TESS-1.92 ± 0.72
HAT-P-30b (LOW)
2021-02-05		TESS-0.45 ± 0.56
HAT-P-30b (LOW)
2021-02-02		TESS-0.17 ± 0.58
HAT-P-30b (LOW)
2021-01-30		TESS-0.29 ± 0.62
HAT-P-30b (LOW)
2021-01-25		TESS0.38 ± 0.6
HAT-P-30b (LOW)
2021-01-22		TESS-1.03 ± 0.66
HAT-P-30b (LOW)
2021-01-19		TESS0.11 ± 0.6
HAT-P-30b (LOW)
2021-01-16		TESS0.14 ± 0.55
HAT-P-30b (LOW)
2019-01-30		TESS-1.51 ± 0.56
HAT-P-30b (LOW)
2019-01-28		TESS0.19 ± 0.63
HAT-P-30b (LOW)
2019-01-25		TESS0.51 ± 0.59
HAT-P-30b (LOW)
2019-01-22		TESS-0.5 ± 0.66
HAT-P-30b (LOW)
2019-01-16		TESS0.77 ± 0.58
HAT-P-30b (LOW)
2019-01-14		TESS-1.07 ± 0.58
HAT-P-30b (LOW)
2019-01-11		TESS-0.87 ± 0.65
HAT-P-30b (LOW)
2019-01-08		TESS-0.37 ± 0.56

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2020-03-10 Saha et al. 2021 1.49 ± 3.02
2020-02-22 Saha et al. 2021 2.43 ± 1.41
2020-02-05 Saha et al. 2021 2.4 ± 2.23
2020-02-05 Saha et al. 2021 1.83 ± 1.11
2017-01-21 Wang et al. 2021 1.08 ± 1.2
2014-01-21 Wang et al. 2021 2.83 ± 1.87
2012-01-19 Maciejewski et al. 2016 1.11 ± 0.78
2011-01-10 Enoch et al. 2011 -0.02 ± 0.23
2010-09-16 Johnson et al. 2011 -0.48 ± 0.53
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