exoclock
exoclock
HAT-P-22b
Discovered by: Bakos et al. 2011
The Star
Simbad
GAIA
2MASS
HD 233731
DR2 846946629987527168
J10224361+5007420
RA 10:22:43.5924 DEC +50:07:42.063
Parallax
12.201 mas
P.M. RA
-26.182 mas/y
P.M. DEC
83.727 mas/y
MagV
9.76
MagR
9.44
MagI*
8.905
MagJ
8.293
MagH
7.935
MagK
7.837
MagG
9.519
MagGBP
9.949
MagGRP
8.961
* calculated from GAIA magnitudes

Ephemeris - Verified True
Kokori et al. 2020
Mid-time
2456366.089 ± 0.0003 BJDTDB
Period
3.212233 ± 4e-07 days

Transit Parameters
Bakos et al. 2011
Rp/Rs
0.1065 ± 0.0017
a/Rs
8.6 +0.3 -0.3
i
86.9 +0.6 -0.5 deg
e
0.016 +0.009 -0.009
ω
156.0 +66.0 -66.0 deg
DepthR*
14.48 mmag
Duration*
2.86 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Bakos et al. 2011
Teff
5302.0 +80.0 -80.0 K
Log(g)
4.36 +0.04 -0.04 cm/s2
Fe/H
0.24 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
17 (4)
0.2±0.4
3
HAT-P-22b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-04-03 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 60.0
5.4 ± 1.7
2021-04-03 Matthieu Bachschmidt
Gonachon
Celestron C11
SBIG ST8XME / Astrodon ExoPlanet-BB / 30.0
-1.2 ± 1.2
2021-03-02 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / I / 120.0
0.6 ± 0.7
2021-03-02 Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 120.0
-0.1 ± 2.7
2020-12-18 Valère Perroud
Observatoire de Duines
RC 10
Moravian G2-4000 / V / 30.0
1.8 ± 1.7
2020-05-20 Geoffrey Thurston
I67
Celestron C-14
Atik 314L+ / R / 20.0
0.2 ± 1.4
2020-05-04 Fabio Mortari
Hypatia Observatory
Newton 250mm f/4.9
Sbig ST8-XE / r' / 120.0
-3.2 ± 4.3
2020-04-05 Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 25.0
0.7 ± 0.9 - Data available
2020-04-06 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / B / 60.0
0.6 ± 2.2 - Data available
2020-04-05 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
-0.9 ± 0.9 - Data available
2020-03-20 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0
-2.5 ± 2.2 - Data available
2020-03-04 Mauro Calo’
Cavallino
GSO RC
SBIG ST10 / R / 60.0
-4.9 ± 2.4 - Data available
2020-02-20 Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 20.0
-0.3 ± 1.4 - Data available
2020-02-17 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / Rc / 60.0
0.4 ± 1.9 - Data available
2020-01-26 Billy Edwards
McDonald Observatory
LCO Meade
SBIG STX6303 / r' / 10.0
-5.7 ± 4.3
2020-01-19 Adrian Jones
Oldfield Observatory (I64)
Meade ACF
QSI 583 / R / 10.0
6.3 ± 3.3 - Data available
2020-01-06 Mauro Calo’
Cavallino
RC
SBIG ST10 / Lum / 60.0
-0.8 ± 7.2


Literature Mid-times
Observation
Date
Mid-time Time format Reference O-C
minutes
2014-03-22 2456738.70864 ± 0.00063 HJD_UTC Turner et al. 2016 1.9 ± 0.9
2013-02-23 2456346.8144 ± 0.0014 HJD_UTC Turner et al. 2016 -0.6 ± 2.0
2009-04-08 2454930.22001 ± 0.00025 BJD_UTC Bakos et al. 2011 -0.1 ± 0.4
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