exoclock

KELT-8b (LOW)

Discovered by: Fulton et al. 2015

The Star
Simbad
GAIA
2MASS
HD 343246
DR2 4534144923690481408
J18531332+2407385
RA 18:53:13.3242 DEC +24:07:38.577
Parallax
5.033 mas
P.M. RA
-14.583 mas/y
P.M. DEC
-31.197 mas/y
MagV
10.84
MagR*
10.438
MagI*
10.069
MagJ
9.586
MagH
9.269
MagK
9.177
MagG
10.67
MagGBP
11.049
MagGRP
10.156
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457986.46737 ± 0.00026 BJDTDB
Period
3.24408156 ± 1e-06 days

Transit Parameters
Fulton et al. 2015
Rp/Rs
0.115 ± 0.003
a/Rs
5.9 +0.4 -0.4
i
82.7 +0.8 -1.0 deg
e
0.04 +0.05 -0.03
ω
85.0 +87.0 -97.0 deg
DepthR*
14.79 mmag
Duration*
3.48 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Fulton et al. 2015
Teff
5754.0 +54.0 -55.0 K
Log(g)
4.08 +0.05 -0.05 cm/s2
Fe/H
0.27 +0.04 -0.04 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 26 (5)
O-C 0.32 ± 0.54 minutes
ExoClock Observations (Recent) 18 (5)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 8 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

KELT-8b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
KELT-8b (LOW)
2023-08-22
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave 2
ZWO ASI6200 / R / 120.0
6.04 ± 1.87
KELT-8b (LOW)
2023-08-22
Lionel Rousselot
Private observatory Vierzon
Newton 250/1000
ZWO 533 monochrome / Lum / 60.0
1.0 ± 2.3
KELT-8b (LOW)
2023-07-15
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
2.55 ± 2.3
KELT-8b (LOW)
2023-07-05
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / R / 60.0
6.94 ± 3.46
KELT-8b (LOW)
2023-07-02
Alvaro Fornas Silva
Valencia city
SW MN190
Atik One 6 / Lum / 26.0
-1.73 ± 1.73
KELT-8b (LOW)
2022-06-23
Martin Mifsud
Manikata Observatory
Meade OTA
SBig ST10XME / Lum / 120.0
-1.18 ± 1.58
KELT-8b (LOW)
2022-06-23
Guillaume GRUNTZ
Dark Sky Alqueva
Newton 250
ASI2600MM / Lum / 60.0
-3.63 ± 2.45
KELT-8b (LOW)
2022-06-11
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 90.0
1.45 ± 1.44
KELT-8b (LOW)
2022-05-29
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0
1.77 ± 1.73
KELT-8b (LOW)
2022-05-29
Miguel Ángel Álava Amat
Sarriguren
Meade SC 8"
Asi 1600 MM / Lum / 180.0
0.48 ± 2.74
KELT-8b (LOW)
2022-05-29
Esteban García N.
Paraje Corral de Ricardo, Enguidanos.
Sky-Watcher CF254
ATIK 314 L+, Monocrome / R / 30.0
0.19 ± 3.02
KELT-8b (LOW)
2022-05-29
Robert Roth
TURMX Observatory
Planewave CDK17
QHY600M / ipr / 120.0
-2.11 ± 1.15
KELT-8b (LOW)
2021-04-25
Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / gpr / 30.0
1.39 ± 2.02
KELT-8b (LOW)
2019-06-29
Pavel Pintr
Horni Halze
Celestron C9.25 with Hyperstar f2.2
ASI ZWO 1600 MONO / Clear / 40.0
-0.74 ± 1.15
KELT-8b (LOW)
2019-06-16
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 3.0
2.87 ± 0.75
KELT-8b (LOW)
2018-07-08
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 5.0
1.65 ± 0.59
KELT-8b (LOW)
2018-07-08
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 5.0
0.93 ± 0.59
KELT-8b (LOW)
2018-07-08
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 5.0
0.63 ± 0.63

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2018-06-25 Mallonn et al. 2019 1.77 ± 3.72
2018-05-26 Mallonn et al. 2019 -0.05 ± 1.74
2017-10-11 Mallonn et al. 2019 0.37 ± 3.86
2014-09-08 Fulton et al. 2015 1.02 ± 2.88
2014-08-30 Fulton et al. 2015 -1.22 ± 2.3
2014-08-04 Fulton et al. 2015 3.03 ± 2.3
2014-08-04 Fulton et al. 2015 -0.71 ± 1.87
2014-07-31 Fulton et al. 2015 -1.46 ± 3.31
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