exoclock

HAT-P-2b (HIGH)

Discovered by: Bakos et al. 2007

The Star
Simbad
GAIA
2MASS
HD 147506
DR2 1380825667768742144
J16203635+4102531
RA 16:20:36.3579 DEC +41:02:53.109
Parallax
7.797 mas
P.M. RA
-10.312 mas/y
P.M. DEC
-29.198 mas/y
MagV
8.69
MagR*
8.417
MagI*
8.16
MagJ
7.796
MagH
7.652
MagK
7.603
MagG
8.598
MagGBP
8.851
MagGRP
8.238
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458657.66292 ± 0.00011 BJDTDB
Period
5.63346785 ± 6.1e-07 days

Transit Parameters
Pál et al. 2010
Rp/Rs
0.07227 ± 0.00061
a/Rs
8.99 +0.39 -0.41
i
86.72 +1.12 -0.87 deg
e
0.5171 +0.0033 -0.0033
ω
185.22 +0.95 -0.95 deg
DepthR*
6.62 mmag
Duration*
4.31 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Torres et al. 2008
Teff
6290.0 +110.0 -110.0 K
Log(g)
4.2 +0.04 -0.05 cm/s2
Fe/H
0.12 +0.08 -0.08 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 5.0"
Total Observations (Recent) 14 (1)
O-C 1.53 ± 1.58 minutes
ExoClock Observations (Recent) 1 (1)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 4 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.06882 ± 0.00015

HAT-P-2b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HAT-P-2b (HIGH)
2022-05-05
Robert Roth
TURMX Observatory
Planewave CDK17
QHY600M / ipr / 20.0
1.53 ± 1.58

Space Observations

Planet
Observation Date
Mission O-C
minutes
HAT-P-2b (HIGH)
2020-06-06
TESS0.18 ± 0.48
HAT-P-2b (HIGH)
2020-05-31
TESS-0.19 ± 0.45
HAT-P-2b (HIGH)
2020-05-20
TESS0.56 ± 0.5
HAT-P-2b (HIGH)
2020-05-14
TESS-0.32 ± 0.49
HAT-P-2b (HIGH)
2020-05-09
TESS-0.44 ± 0.43
HAT-P-2b (HIGH)
2020-05-03
TESS-0.58 ± 0.46
HAT-P-2b (HIGH)
2020-04-28
TESS0.46 ± 0.5
HAT-P-2b (HIGH)
2020-04-22
TESS0.24 ± 0.45
HAT-P-2b (HIGH)
2020-04-16
TESS0.22 ± 0.43

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2011-07-13 Lewis et al. 2013 -1.45 ± 0.96
2010-04-02 Lewis et al. 2013 2.09 ± 0.86
2007-09-10 Lewis et al. 2013 -2.28 ± 1.73
2007-04-22 Bakos et al. 2007 -0.27 ± 1.01
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