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HAT-P-20b

Discovered by: Bakos et al. 2011
The Star
Simbad
GAIA
2MASS
HAT-P-20
DR2 869913435026514688
J07273995+2420118
RA 07:27:39.9487 DEC +24:20:11.518
Parallax
14.048 mas
P.M. RA
-4.985 mas/y
P.M. DEC
-96.235 mas/y
MagV
11.35
MagR
11.0
MagI*
10.088
MagJ
9.276
MagH
8.743
MagK
8.601
MagG
10.99
MagGBP
11.665
MagGRP
10.235
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Bakos et al. 2011
Mid-time
2455080.92738 ± 0.00021 BJDTDB
Period
2.875317 ± 4e-06 days

Transit Parameters
Bakos et al. 2011
Rp/Rs
0.1284 ± 0.0016
a/Rs
11.2 +0.3 -0.3
i
86.8 +0.2 -0.2 deg
e
0.015 +0.005 -0.005
ω
317.0 +130.0 -130.0 deg
DepthR*
19.78 mmag
Duration*
1.86 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Bakos et al. 2011
Teff
4595.0 +80.0 -80.0 K
Log(g)
4.63 +0.02 -0.02 cm/s2
Fe/H
0.35 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
MEDIUM
11 (0)
0.88±0.25
16
HAT-P-20b


ExoClock Observations
Obs. Date O-C (min) Observer
Observatory
Telescope
Camera / Filter / Exp [s]
2020-03-28 2.2 ± 2.0 Martin Fowler
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0
2020-03-13 0.7 ± 0.6 Francois Hurter
Albireo Observatory
RC GSO Serrurier Kepler f/8
Atik 383L+ / V / 35.0
2020-01-24 3.2 ± 1.7 Pavel Pintr
Horni Halze
Celestron C9.25 with Hyperstar f2.2
ASI ZWO 1600 MONO / R / 70.0
2020-01-01 0.5 ± 0.9 Pavel Pintr
Horni Halze
Celestron C9.25 with Hyperstar f2.2
ASI ZWO 1600 MONO / R / 90.0
2019-12-01 4.1 ± 2.0 Martin Fowler
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0
2019-12-01 -2.1 ± 4.3 Roger Dymock
MicroObservatory
Maksutov reflector
Kodak KAF 1400 image sensor / Clear / 60.0
2019-03-09 3.0 ± 1.0 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / V / 120.0
2018-02-10 1.7 ± 0.4 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / Clear / 240.0
2018-01-13 -1.9 ± 1.7 Martin Fowler
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0
2015-02-22 -2.0 ± 0.7 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 30.0
2011-01-16 0.3 ± 0.7 Filip Walter
Stefanik Observatory
Meade SCT
SBIG ST-10XME / R / 90.0
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