exoclock

HAT-P-12b (LOW)

Discovered by: Hartman et al. 2009

The Star
Simbad
GAIA
2MASS
HAT-P-12
DR2 1499514786891168640
J13573347+4329367
RA 13:57:33.4668 DEC +43:29:36.602
Parallax
6.976 mas
P.M. RA
-134.791 mas/y
P.M. DEC
-44.294 mas/y
MagV
12.84
MagR*
12.152
MagI*
11.679
MagJ
10.794
MagH
10.236
MagK
10.108
MagG
12.42
MagGBP
13.021
MagGRP
11.698
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2456851.481119 ± 6e-05 BJDTDB
Period
3.21305762 ± 1.5e-07 days

Transit Parameters
Hartman et al. 2009
Rp/Rs
0.1406 ± 0.0013
a/Rs
11.77 +0.15 -0.21
i
89.0 +0.4 -0.4 deg
e
-
ω
- deg
DepthR*
27.59 mmag
Duration*
2.34 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2009
Teff
4650.0 +60.0 -60.0 K
Log(g)
4.61 +0.01 -0.01 cm/s2
Fe/H
-0.29 +0.05 -0.05 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.98"
Total Observations (Recent) 146 (11)
O-C 0.83 ± 0.25 minutes
ExoClock Observations (Recent) 71 (11)
Space Observations (Recent) 6 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 69 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.13752 ± 0.00081

HAT-P-12b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HAT-P-12b (LOW)
2023-07-12
Leon Bewersdorff
Observatory Kipshoven (BLEW)
GSO Ritchey-Chrétien
QHY268M-PH / AstrodonExoPlanet-BB / 100.0
-3.72 ± 0.96
HAT-P-12b (LOW)
2023-06-26
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0
1.76 ± 1.58
HAT-P-12b (LOW)
2023-05-28
Stéphane Montchaud
Burgundy Observatory
Celestron 8
Zwo Asi 1600 / Lum / 120.0
3.73 ± 1.3
HAT-P-12b (LOW)
2023-05-12
Andre Kovacs
Moletai Astronomical Observatory (MAO)
35/51 cm Maksutov f/3.5
Apogee Alta U47 / R / 120.0
3.93 ± 0.73
HAT-P-12b (LOW)
2023-05-03
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / R / 180.0
-0.72 ± 2.3
HAT-P-12b (LOW)
2023-04-30
Simon Dawes
William James II
Celestron Edge11 HD
Risingcam Monochrome SONY imx571 / Lum / 300.0
0.32 ± 1.15
HAT-P-12b (LOW)
2023-04-13
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 150.0
1.28 ± 0.96
HAT-P-12b (LOW)
2023-04-04
Darryl Madison
Ajijic Observatory
Celestron CPC 800 Edge HD
ZWO2400MC / Clear / 60.0
4.64 ± 1.73
HAT-P-12b (LOW)
2023-03-28
Ivo Peretto
MarSEC Marana Space Explorer Center
R-C
Moravia G2-1600 MkII / R / 120.0
0.44 ± 1.18
HAT-P-12b (LOW)
2023-03-28
Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 180.0
-0.12 ± 1.05
HAT-P-12b (LOW)
2023-02-11
Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 240.0
3.53 ± 1.44
HAT-P-12b (LOW)
2022-12-16
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 120.0
0.71 ± 1.02
HAT-P-12b (LOW)
2022-07-30
Claudio Lopresti
Claudio Lopresti
Meade LX200 12"
CCD Sbig ST9xe / Lum / 180.0
-3.95 ± 3.74
HAT-P-12b (LOW)
2022-06-06
Sauro Gaudenzi
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF-1402ME / Clear / 60.0
-6.28 ± 2.74
HAT-P-12b (LOW)
2022-05-18
Richard Yorke
Observatorio del Teide
Dall-Kirkham Astrograph telescope
FLI ProLine KAF-16803 CCD camera / R / 60.0
0.84 ± 0.58
HAT-P-12b (LOW)
2022-04-22
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
-6.56 ± 3.31
HAT-P-12b (LOW)
2022-04-15
Didier LEFOULON
LEFOULON
Celestron 8 edge HD
sbig ST10xme (Kaf 3200) / R / 60.0
1.24 ± 1.44
HAT-P-12b (LOW)
2022-04-15
Massimiliano Zulian
La Torre Del Sole
Ritchey-Chretien GSO
Moravian G2 4000 / rpr / 90.0
-0.35 ± 2.74
HAT-P-12b (LOW)
2022-04-15
Efrem Frigeni
Resegone Observatory
TOA-150B Refractor
MORAVIAN C3-26000 / R / 95.0
-2.65 ± 1.15
HAT-P-12b (LOW)
2022-04-06
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
-2.98 ± 3.17
HAT-P-12b (LOW)
2022-03-24
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
-0.48 ± 2.88
HAT-P-12b (LOW)
2022-03-01
Stefano Lora
MarSEC
Ritchey Chrétien
Moravian G2 Mark II / Clear / 60.0
1.97 ± 1.3
HAT-P-12b (LOW)
2022-03-01
Sebastien Brouillard
AstroQueyras
RC500
STX16803 / R / 120.0
1.1 ± 1.01
HAT-P-12b (LOW)
2022-03-01
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 120.0
-1.2 ± 2.74
HAT-P-12b (LOW)
2022-02-07
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
4.57 ± 3.31
HAT-P-12b (LOW)
2022-01-19
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0
1.61 ± 1.87
HAT-P-12b (LOW)
2021-07-03
Adam Popowicz
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 240.0
0.85 ± 2.02
HAT-P-12b (LOW)
2021-06-08
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
0.93 ± 4.32
HAT-P-12b (LOW)
2021-05-19
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
0.14 ± 0.43
HAT-P-12b (LOW)
2021-05-10
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
4.13 ± 2.59
HAT-P-12b (LOW)
2021-04-24
Steven Peterson
Vail View Observatory H18
GSO 10" RC f/8.0
SBIG STL6303E / I / 120.0
-1.06 ± 1.35
HAT-P-12b (LOW)
2021-04-24
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
-3.66 ± 4.32
HAT-P-12b (LOW)
2021-04-11
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
5.31 ± 4.32
HAT-P-12b (LOW)
2021-04-08
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
5.39 ± 2.74
HAT-P-12b (LOW)
2021-04-04
Xesco Rubia
Stupa Observatory
C11HD
QHY600PH M BSI / Lum / 150.0
1.15 ± 1.15
HAT-P-12b (LOW)
2021-04-04
Matthieu Bachschmidt
Gonachon
Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 60.0
0.58 ± 0.43
HAT-P-12b (LOW)
2021-04-04
Massimiliano Mannucci
Osservatorio Astronomico Margherita Hack
Celestron C14
SBIG ST10 XME / Clear / 90.0
0.43 ± 0.58
HAT-P-12b (LOW)
2021-04-04
Didier Laloum
Observatoire Privé du Mont (OPM)
RC 8 GSO
Atik 383L+ / AstrodonExoPlanet-BB / 120.0
-1.01 ± 1.15
HAT-P-12b (LOW)
2021-04-04
Stephane Neveu
Backyard
Newton
Atik 314L / R / 150.0
-1.58 ± 1.73
HAT-P-12b (LOW)
2021-03-23
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
1.49 ± 0.72
HAT-P-12b (LOW)
2021-03-19
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
-0.88 ± 1.3
HAT-P-12b (LOW)
2021-02-09
Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
6.31 ± 2.88
HAT-P-12b (LOW)
2020-12-07
Tõnis Eenmäe
Tartu Observatory
Planewave CDK 12.5
Apogee Alta U42 / R / 90.0
2.93 ± 0.86
HAT-P-12b (LOW)
2020-06-23
Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)
RC 250
Sbig ST8300M / R / 120.0
-0.24 ± 1.15
HAT-P-12b (LOW)
2020-06-06
Fabio Mortari
Hypatia Observatory
Newton 250mm f/4.9
Sbig ST8-XE / V / 150.0
2.91 ± 1.58
HAT-P-12b (LOW)
2020-05-09
Keith Rickard
Putlands Observatory - CMHASD
Meade LX200 10" SCT Classic
SBIG ST-7XME CCD / R / 120.0
-1.82 ± 2.3
HAT-P-12b (LOW)
2020-04-22
Simon Dawes
William James II Observatory
Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 30.0
2.2 ± 1.01
HAT-P-12b (LOW)
2020-04-22
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 120.0
1.19 ± 0.72
HAT-P-12b (LOW)
2020-04-22
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
0.76 ± 0.43
HAT-P-12b (LOW)
2020-04-06
Alessandro Marchini
Astronomical Observatory University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 300.0
2.61 ± 1.15
HAT-P-12b (LOW)
2020-04-06
Alberto Tomatis
Alto-Observatory
RC
STL 6303 / Lum / 80.0
2.03 ± 1.01
HAT-P-12b (LOW)
2020-04-06
Fabio Salvaggio
WBRO - K49
C9.25"
SBIG ST8-XME / V / 300.0
0.74 ± 1.15
HAT-P-12b (LOW)
2020-04-06
Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 300.0
0.45 ± 1.3
HAT-P-12b (LOW)
2020-04-06
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
-0.99 ± 1.44
HAT-P-12b (LOW)
2020-04-06
Mauro Caló
Cavallino
RC
SBIG ST10 / Lum / 90.0
-2.29 ± 1.44
HAT-P-12b (LOW)
2020-04-06
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-3.29 ± 1.58
HAT-P-12b (LOW)
2020-04-03
Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / V / 180.0
0.1 ± 0.43
HAT-P-12b (LOW)
2020-04-03
Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0
-0.04 ± 0.43
HAT-P-12b (LOW)
2020-03-25
Filip Walter
Stefanik Observatory
Carl Zeiss MCT
ZWO ASI 1600mm pro / Clear / 180.0
2.94 ± 1.01
HAT-P-12b (LOW)
2020-03-25
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
0.21 ± 0.72
HAT-P-12b (LOW)
2020-03-25
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 60.0
-0.74 ± 1.3
HAT-P-12b (LOW)
2020-03-25
John Savage
Z42 Rushay Farm Observatory
Celeston 14Edge with focal reducer
ATIK One 9.0 / R / 360.0
-2.67 ± 1.58
HAT-P-12b (LOW)
2020-03-08
Danilo Sedita
Osservatorio Sedita Castrofilippo
RC GSO 14"
Moravian G2-1600 / R / 60.0
-5.71 ± 1.3
HAT-P-12b (LOW)
2020-02-21
Vikrant Kumar Agnihotri
Cepheid Observatory India
C11-A XLT Schmidt-Cassegrain/F5.12
Atik414ex mono / AstrodonExoPlanet-BB / 45.0
2.19 ± 1.15
HAT-P-12b (LOW)
2019-02-14
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / V / 120.0
-1.15 ± 0.72
HAT-P-12b (LOW)
2017-04-16
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-1.02 ± 0.72
HAT-P-12b (LOW)
2016-05-04
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-0.27 ± 0.72
HAT-P-12b (LOW)
2015-07-23
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 180.0
3.37 ± 1.3
HAT-P-12b (LOW)
2015-04-12
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 60.0
0.84 ± 0.58
HAT-P-12b (LOW)
2015-02-10
Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Clear / 30.0
1.12 ± 0.72
HAT-P-12b (LOW)
2012-03-07
Ramon Naves
Montcabrer
Meade LX200 12" ACF
Sbig ST8xme / V / 120.0
-1.81 ± 1.32

Space Observations

Planet
Observation Date
Mission O-C
minutes
HAT-P-12b (LOW)
2020-04-13
TESS0.39 ± 0.68
HAT-P-12b (LOW)
2020-04-10
TESS-0.05 ± 0.71
HAT-P-12b (LOW)
2020-04-06
TESS0.31 ± 0.72
HAT-P-12b (LOW)
2020-03-31
TESS1.09 ± 0.65
HAT-P-12b (LOW)
2020-03-28
TESS0.43 ± 0.75
HAT-P-12b (LOW)
2020-03-25
TESS0.51 ± 0.76

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2018-04-27 Wang et al. 2021 2.23 ± 1.87
2018-04-24 Wang et al. 2021 -2.05 ± 1.31
2017-07-06 Alexoudi et al. 2018 -0.09 ± 0.52
2017-06-04 Alexoudi et al. 2018 0.03 ± 0.58
2017-05-19 Alexoudi et al. 2018 1.14 ± 0.59
2017-05-19 Alexoudi et al. 2018 0.18 ± 0.17
2017-05-19 Alexoudi et al. 2018 -0.95 ± 0.66
2017-05-06 Alexoudi et al. 2018 2.94 ± 0.52
2017-05-02 Alexoudi et al. 2018 -1.32 ± 0.52
2017-05-02 Öztürk et al. 2019 -1.73 ± 0.43
2017-04-26 Wang et al. 2021 3.91 ± 1.15
2017-04-16 Öztürk et al. 2019 -0.74 ± 0.43
2017-04-04 Öztürk et al. 2019 -0.4 ± 0.58
2017-03-28 Wang et al. 2021 -2.7 ± 0.63
2017-03-25 Yan et al. 2020 -0.08 ± 0.1
2017-03-22 Alexoudi et al. 2018 -1.47 ± 0.6
2017-03-18 Öztürk et al. 2019 -0.28 ± 0.43
2017-03-18 Alexoudi et al. 2018 -0.44 ± 0.53
2017-02-18 Öztürk et al. 2019 -1.55 ± 0.72
2017-02-14 Wang et al. 2021 -0.89 ± 2.3
2017-02-01 Öztürk et al. 2019 1.03 ± 0.29
2016-12-31 Wang et al. 2021 -1.73 ± 0.99
2016-05-08 Alexoudi et al. 2018 -0.15 ± 0.45
2016-02-17 Wang et al. 2021 1.43 ± 1.58
2016-02-17 Wang et al. 2021 0.93 ± 0.75
2016-02-04 Wang et al. 2021 -1.12 ± 2.74
2014-06-01 Sada et al. 2016 1.45 ± 0.65
2014-05-28 Mallonn et al. 2015 -0.23 ± 0.27
2014-05-28 Mallonn et al. 2015 -2.72 ± 0.89
2014-05-16 Mallonn et al. 2015 3.24 ± 1.32
2014-04-17 Sariya et al. 2021 -0.52 ± 0.58
2014-03-19 Sariya et al. 2021 -1.17 ± 0.42
2014-03-16 Mallonn et al. 2015 0.41 ± 0.91
2014-03-16 Mallonn et al. 2015 0.18 ± 0.4
2014-03-16 Mallonn et al. 2015 -0.04 ± 0.13
2014-03-16 Mallonn et al. 2015 -0.49 ± 0.16
2014-03-16 Mallonn et al. 2015 -0.83 ± 0.33
2014-03-09 Hinse et al. 2015 -1.26 ± 0.58
2014-02-28 Mallonn et al. 2015 -1.51 ± 0.48
2014-01-20 Turner et al. 2017 -1.71 ± 0.68
2013-06-19 Sada et al. 2016 -0.5 ± 0.72
2013-04-06 Mallonn et al. 2015 0.27 ± 1.17
2013-04-06 Mallonn et al. 2015 -0.26 ± 0.69
2012-06-08 Sada et al. 2016 -0.17 ± 0.73
2012-06-05 Mallonn et al. 2015 -1.42 ± 0.94
2012-05-23 Sada et al. 2016 -0.28 ± 0.5
2012-05-07 Mallonn et al. 2015 -1.19 ± 0.86
2012-05-03 Mallonn et al. 2015 -0.58 ± 0.69
2012-04-24 Sada et al. 2016 -0.6 ± 0.53
2012-03-19 Mallonn et al. 2015 1.19 ± 0.17
2012-02-07 Mallonn et al. 2015 0.94 ± 0.85
2011-06-24 Mallonn et al. 2015 -0.18 ± 0.43
2011-06-07 Mallonn et al. 2015 -0.73 ± 0.22
2011-05-29 Line et al. 2013 0.58 ± 0.32
2011-05-26 Mallonn et al. 2015 -0.24 ± 0.39
2011-05-13 Lee et al. 2012 1.85 ± 0.35
2011-05-10 Mallonn et al. 2015 -1.02 ± 0.32
2011-04-27 Sada et al. 2016 -0.67 ± 0.68
2011-04-27 Sariya et al. 2021 -1.83 ± 0.59
2011-04-23 Mallonn et al. 2015 3.36 ± 0.68
2011-04-17 Sariya et al. 2021 -1.52 ± 1.18
2011-04-14 Lee et al. 2012 0.36 ± 0.45
2011-04-07 Mallonn et al. 2015 -0.36 ± 0.63
2011-03-29 Lee et al. 2012 1.34 ± 0.29
2011-03-10 Mallonn et al. 2015 0.1 ± 0.16
2010-05-31 Sada et al. 2012 -1.24 ± 0.3
2010-05-11 Mancini et al. 2018 -1.62 ± 0.27
2007-11-14 Hartman et al. 2009 -0.29 ± 0.29
2007-03-28 Turner et al. 2017 0.9 ± 0.19
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