exoclock

HAT-P-9b

Discovered by: Shporer et al. 2009

The Star
Simbad
GAIA
2MASS
HAT-P-9
DR2 898130030131443584
J07204044+3708263
RA 07:20:40.4562 DEC +37:08:26.342
Parallax
2.169 mas
P.M. RA
-9.63 mas/y
P.M. DEC
-13.043 mas/y
MagV
12.34
MagR
12.08
MagI*
11.752
MagJ
11.274
MagH
11.043
MagK
11.015
MagG
12.154
MagGBP
12.422
MagGRP
11.741
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2455473.14492 ± 0.00023 BJDTDB
Period
3.9228105 ± 8e-07 days

Transit Parameters
Wang et al. 2019
Rp/Rs
0.107 ± 0.0009
a/Rs
8.5 +0.3 -0.3
i
86.4 +0.4 -0.4 deg
e
0.08 +0.05 -0.05
ω
152.0 +42.0 -39.0 deg
DepthR*
14.08 mmag
Duration*
3.34 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Shporer et al. 2009
Teff
6350.0 +150.0 -150.0 K
Log(g)
4.3 +0.06 -0.06 cm/s2
Fe/H
0.12 +0.2 -0.2 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
MEDIUM
10 (3)

10

1.3±0.4

HAT-P-9b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-12-20 Andras Dan
Rocca1
Celestron C8
QHY 183 M / Astrodon ExoPlanet-BB / 60.0
-1.6 ± 1.6
2021-12-16 David Arnot
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 45.0
2.5 ± 0.7
2021-12-16 Ulrich Kolb
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 45.0
2.1 ± 1.0
2021-02-28 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
2.3 ± 1.3
2021-02-28 Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 200.0
0.2 ± 1.0
2021-02-24 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
0.0 ± 1.9
2021-02-24 Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 120.0
-5.0 ± 4.3
2021-01-08 Francesco Scaggiante
Gruppo Astrofili Salese "GALILEO GALILEI"
NEWTON 410/1710
Custom made with KAF-1603ME CCD sensor / R / 70.0
2.2 ± 2.4
2018-03-25 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Lum / 60.0
0.5 ± 1.6 - Data available
2016-02-19 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
-1.3 ± 2.0 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2017-02-26 2457811.14137 ± 0.00099 BJD_TDB Wang et al. 2019 2.0 ± 1.4
2017-01-06 2457760.14058 ± 0.00083 BJD_TDB Wang et al. 2019 -4.1 ± 1.2
2016-12-29 2457752.29752 ± 0.00115 BJD_TDB Wang et al. 2019 -0.4 ± 1.7
2016-11-08 2457701.30337 ± 0.00093 BJD_TDB Wang et al. 2019 3.0 ± 1.3
2016-03-10 2457458.08549 ± 0.00121 BJD_TDB Wang et al. 2019 -2.2 ± 1.7
2016-01-11 2457399.24582 ± 0.00139 BJD_TDB Wang et al. 2019 1.4 ± 2.0
2010-04-06 2455292.69558 ± 0.00036 HJD_UTC Dittmann et al. 2012 1.0 ± 0.5
2010-02-18 2455245.621 ± 0.001 HJD_UTC Dittmann et al. 2012 0.1 ± 1.4
2010-02-14 2455241.69832 ± 0.00032 HJD_UTC Dittmann et al. 2012 -0.0 ± 0.5
2007-11-13 2454417.9077 ± 0.0003 HJD_UTC Shporer et al. 2009 -0.6 ± 0.4
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