exoclock

HAT-P-17b

Discovered by: Howard et al. 2012

The Star
Simbad
GAIA
2MASS
HAT-P-17
DR2 1849786481031300608
J21380873+3029193
RA 21:38:08.7311 DEC +30:29:19.445
Parallax
10.796 mas
P.M. RA
-80.395 mas/y
P.M. DEC
-126.972 mas/y
MagV
10.38
MagR
10.24
MagI*
9.506
MagJ
9.017
MagH
8.619
MagK
8.544
MagG
10.274
MagGBP
10.714
MagGRP
9.705
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2456569.05972 ± 5e-05 BJDTDB
Period
10.3385346 ± 9e-07 days

Transit Parameters
Howard et al. 2012
Rp/Rs
0.1238 ± 0.001
a/Rs
22.6 +0.5 -0.5
i
89.2 +0.2 -0.1 deg
e
0.342 +0.006 -0.006
ω
201.0 +1.0 -1.0 deg
DepthR*
20.37 mmag
Duration*
4.04 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Howard et al. 2012
Teff
5246.0 +80.0 -80.0 K
Log(g)
4.52 +0.02 -0.02 cm/s2
Fe/H
0.0 +0.08 -0.08 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
MEDIUM
5 (0)

2

-0.0±0.4

HAT-P-17b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2020-11-20 Xesco Rubia
Stupa Observatory
TOA130NFB
Moravian G4-16000 MKII / r' / 180.0
0.8 ± 5.8
2020-11-20 Leon Bewersdorff
Lbew
20cm Celestron SE
QHY600M PH / V / 30.0
0.5 ± 1.2 - Data available
2020-10-20 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 25.0
-0.5 ± 0.6 - Data available
2018-11-17 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
0.9 ± 0.9
2017-08-19 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / V / 60.0
-0.2 ± 1.2 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2013-11-24 2456620.75166 ± 5e-05 HJD_UTC Tsiaras et al. 2018 0.0 ± 0.1
2008-11-30 2454801.16943 ± 0.0002 BJD_UTC Howard et al. 2012 -0.1 ± 0.3
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