exoclock

HAT-P-33b

Discovered by: Hartman et al. 2011

The Star
Simbad
GAIA
2MASS		 HAT-P-33
DR2 893550942158776832
J07324421+3350061
RA 07:32:44.2170 DEC +33:50:06.118
Parallax
2.497 mas		 P.M. RA
0.096 mas/y		 P.M. DEC
-2.647 mas/y
MagV
11.03		 MagR
11.1		 MagI*
10.518		 MagJ
10.263		 MagH
10.061		 MagK
10.004
MagG
11.024		 MagGBP
11.256		 MagGRP
10.664
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2456601.47713 ± 0.00012 BJDTDB
Period
3.4744767 ± 3e-07 days
Transit Parameters
Hartman et al. 2011
Rp/Rs
0.1058 ± 0.0011		 a/Rs
6.56 +0.09 -0.12
 i
87.2 +0.0 -0.1 deg
e
-		 ω
- deg
DepthR*
14.38 mmag		 Duration*
4.31 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Hartman et al. 2011
Teff
6446.0 +88.0 -88.0 K
 Log(g)
4.146 +0.02 -0.02 cm/s2
 Fe/H
0.07 +0.08 -0.08 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes 		LOW
8 (4)

11

-0.6±0.4

HAT-P-33b


ExoClock Observations

Observation
Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
2022-01-30 Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		 Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 150.0		 -1.1 ± 1.4
2022-01-23 Andras Dan
Rocca1		 Celestron C8
QHY 183 M / Astrodon ExoPlanet-BB / 60.0		 -2.7 ± 1.3
2022-01-23 Mercedes Correa
Sirius B		 Meade
Moravian G2 1600 / R / 100.0		 -3.3 ± 1.3
2021-10-22 Adrian Jones
Private Observatory (I64)		 Meade ACF 30cm
QSI 583 / R / 100.0		 0.8 ± 1.7
2021-02-20 Roland Casali
Alto 2000		 RC IR bandpass 685nm-1000nm
Kepler 400 sCMOS / I / 10.0		 0.2 ± 2.9
2021-02-20 Manfred Raetz
privat observatory Herges-Hallenberg		 SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0		 -1.4 ± 1.3
2020-11-19 Riccardo Ciantini
Osservatorio Polifunzionale del Chianti		 Ritchey-Chretien
Moravian G4 - KAF 09000 / V / 30.0		 0.4 ± 0.6 - Data available
2020-11-19 Yves Jongen
Rasteau Observatory		 Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0		 0.2 ± 1.4 - Data available


Literature Mid-times

Observation
Date		 Mid-time Time format Reference O-C
minutes
2016-01-09 2457397.13183 ± 0.00066 BJD_TDB Wang et al. 2017 -0.7 ± 1.0
2015-02-13 2457067.05749 ± 0.00043 BJD_TDB Wang et al. 2017 0.7 ± 0.6
2015-01-30 2457053.15793 ± 0.00047 BJD_TDB Wang et al. 2017 -1.7 ± 0.7
2015-01-23 2457046.20981 ± 0.00046 BJD_TDB Wang et al. 2017 -0.5 ± 0.7
2015-01-16 2457039.26162 ± 0.00046 BJD_TDB Wang et al. 2017 0.6 ± 0.7
2014-03-06 2456723.08417 ± 0.00058 BJD_TDB Wang et al. 2017 0.5 ± 0.8
2014-03-06 2456723.08352 ± 0.00046 BJD_TDB Wang et al. 2017 -0.4 ± 0.7
2014-02-27 2456716.13498 ± 0.00065 BJD_TDB Wang et al. 2017 0.2 ± 0.9
2014-02-27 2456716.13465 ± 0.00069 BJD_TDB Wang et al. 2017 -0.3 ± 1.0
2013-12-09 2456636.22181 ± 0.00072 BJD_TDB Wang et al. 2017 -0.1 ± 1.0
2009-10-06 2455110.92595 ± 0.00022 BJD_UTC Hartman et al. 2011 0.1 ± 0.3
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