exoclock
exoclock
HAT-P-12b
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
Sada et al. 2016
Mid-time
2454419.19584 ± 9e-05 BJDTDB
Period
3.2130589 ± 3e-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

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
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
38 (10)
-1.19±0.13
0
HAT-P-12b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-07-03 Adam Popowicz
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 240.0
-1.1 ± 2.0
2021-05-19 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
-1.7 ± 0.4
2021-04-04 Martin Smith
Heathwood Road
Celestron EdgeHD 800
Atik 414 ex / Clear / 75.0
5.1 ± 4.3
2021-04-04 Xesco Rubia
Stupa Observatory
C11HD
QHY600PH M BSI / Lum / 150.0
-0.7 ± 1.2
2021-04-04 Matthieu Bachschmidt
Gonachon
Celestron C11
SBIG ST8XME / Astrodon ExoPlanet-BB / 60.0
-1.3 ± 0.4
2021-04-04 Massimiliano Mannucci
Osservatorio Astronomico Margherita Hack
Celestron C14
SBIG ST10 XME / Clear / 90.0
-1.4 ± 0.6
2021-04-04 Didier Laloum
Observatoire Privé du Mont (OPM)
RC 8 GSO
Atik 383L+ / Astrodon ExoPlanet-BB / 120.0
-2.9 ± 1.2
2021-04-04 Stephane Neveu
Stephane Neveu
Newton
Atik 314+ / R / 150.0
-3.4 ± 1.7
2021-03-23 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
-0.4 ± 0.7
2021-03-19 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
-2.7 ± 1.3
2020-12-07 Tõnis Eenmäe
Tartu Observatory
Planewave CDK 12.5
Apogee Alta U42 / R / 90.0
1.1 ± 0.9
2020-06-22 Patrick Brandebourg
Patrick Brandebourg (Observatoire du Guernet)
RC 250
Sbig ST8300M / R / 120.0
-1.9 ± 1.2
2020-06-06 Fabio Mortari
Hypatia Observatory
Newton 250mm f/4.9
Sbig ST8-XE / V / 150.0
1.2 ± 1.6
2020-05-08 Keith Rickard
Putlands Observatory
Meade LX200 10" SCT Classic
SBIG ST-7XME CCD / R / 120.0
-3.5 ± 2.3
2020-04-22 Simon Dawes
William James II Observatory
Skywatcher MN190
ZWO ASI 1600 Pro mono / R / 30.0
0.5 ± 1.0
2020-04-22 Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 120.0
-0.5 ± 0.7
2020-04-22 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
-0.9 ± 0.4
2020-04-06 Alessandro Marchini
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / I / 300.0
1.0 ± 1.2
2020-04-06 Alberto Tomatis
Alto-Observatory
RC
STL 6303 / Lum / 80.0
0.4 ± 1.0 - Data available
2020-04-06 Fabio Salvaggio
WBRO - K49
C9.25"
SBIG ST8-XME / V / 300.0
-0.9 ± 1.2
2020-04-06 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 300.0
-1.2 ± 1.3 - Data available
2020-04-06 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
-2.6 ± 1.4 - Data available
2020-04-06 Mauro Calo’
Cavallino
RC
SBIG ST10 / Lum / 90.0
-3.9 ± 1.4 - Data available
2020-04-06 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-4.9 ± 1.6 - Data available
2020-04-03 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / V / 180.0
-1.5 ± 0.6 - Data available
2020-04-03 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0
-1.7 ± 0.4
2020-03-24 Filip Walter
Stefanik Observatory
Carl Zeiss MCT
ZWO ASI 1600mm pro / Clear / 180.0
1.3 ± 1.0
2020-03-24 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
-1.4 ± 0.7 - Data available
2020-03-24 Adrian Jones
Oldfield Observatory (MPC I64)
Meade ACF
QSI 583 / R / 60.0
-2.9 ± 0.9 - Data available
2020-03-24 John Savage
Z42 Rushay Farm Observatory
Celeston 14Edge with focal reducer
ATIK One 9.0 / R / 360.0
-4.3 ± 1.6 - Data available
2020-03-08 Danilo Sedita
Osservatorio Sedita Castrofilippo
RC GSO
Moravian G2-1600 / Rc / 60.0
-7.3 ± 1.3 - Data available
2020-02-21 Vikrant Kumar Agnihotri
Cepheid Observatory India
C11-A XLT Schmidt-Cassegrain/F5.12
Atik414ex mono / Astrodon ExoPlanet-BB / 45.0
0.6 ± 1.2 - Data available
2019-02-14 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / V / 120.0
-2.6 ± 0.7 - Data available
2017-04-16 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-2.0 ± 0.7 - Data available
2016-05-04 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-1.0 ± 1.0 - Data available
2015-07-23 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 180.0
2.7 ± 1.3 - Data available
2015-04-12 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 60.0
0.2 ± 0.6 - Data available
2015-02-09 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Clear / 30.0
0.6 ± 0.7
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