exoclock

HAT-P-68b (LOW)

Discovered by: Lindor et al. 2021

The Star
Simbad
GAIA
2MASS
GSC 01925-01046
DR2 675443053940533760
J07535598+2356176
RA 07:53:55.9827 DEC +23:56:17.611
Parallax
4.918 mas
P.M. RA
-23.655 mas/y
P.M. DEC
-1.467 mas/y
MagV
13.802
MagR
13.678
MagI
13.278
MagJ
11.75
MagH
11.21
MagK
11.019
MagG
13.544
MagGBP
14.248
MagGRP
12.743
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458140.34562 ± 0.00011 BJDTDB
Period
2.29840555 ± 1.8e-07 days

Transit Parameters
Lindor et al. 2021
Rp/Rs
0.1644 ± 0.0015
a/Rs
9.6 +0.185 -0.047
i
88.73 +0.47 -0.27 deg
e
-
ω
- deg
DepthR*
38.0 mmag
Duration*
2.1 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Lindor et al. 2021
Teff
4508.0 +43.0 -43.0 K
Log(g)
4.62 +0.01 -0.01 cm/s2
Fe/H
-0.059 +0.036 -0.036 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 10.08"
Total Observations (Recent) 45 (12)
O-C 0.54 ± 0.21 minutes
ExoClock Observations (Recent) 24 (12)
Space Observations (Recent) 20 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.15936 ± 0.00079

HAT-P-68b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HAT-P-68b (LOW)
2024-02-17
Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / Lum / 240.0
3.63 ± 2.59
HAT-P-68b (LOW)
2024-02-17
Nello Ruocco
Osservatorio Astronomico Nastro Verde di Sorrento MPC code C82
SC Meade LX200 GPS on equatorial fork
Sbig ST10XME / Clear / 150.0
-1.2 ± 1.07
HAT-P-68b (LOW)
2024-02-04
Dim Stouraitis
Galilaios
SCT
SXVF-H9 Starlight-Xpress / R / 130.0
2.93 ± 1.34
HAT-P-68b (LOW)
2024-02-04
Ian Sharp
PixelSkies
Celestron C11 Edge HD
Starlight Xpress Trius Pro SX694 / R / 120.0
2.03 ± 1.2
HAT-P-68b (LOW)
2024-02-04
Matthieu Bachschmidt
Gonachon
Celestron C11
SBIG ST8XME / AstrodonExoPlanet-BB / 120.0
1.75 ± 0.56
HAT-P-68b (LOW)
2024-02-04
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 180.0
0.79 ± 0.69
HAT-P-68b (LOW)
2024-02-04
Robert Roth
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 120.0
0.17 ± 0.73
HAT-P-68b (LOW)
2023-12-26
Tiberiu Savin
Tiberiu Savin
Skywatcher 200 Quattro
ZWO ASI 533MC / Clear / 180.0
4.25 ± 5.33
HAT-P-68b (LOW)
2023-11-10
Alexander Tarasenkov
Kislovodsk Optical Station (Institute of Astronomy of the Russian Academy of Sciences)
Astrosib RC500
ZWO ASI 6200MM Pro / V / 120.0
0.65 ± 0.53
HAT-P-68b (LOW)
2023-04-11
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / Lum / 180.0
2.42 ± 1.87
HAT-P-68b (LOW)
2023-02-28
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0
1.7 ± 1.87
HAT-P-68b (LOW)
2023-02-28
Pieter Vuylsteke
TheGardenToTheSkyFacility
TS ONTC 25cm f4.7
QHY 268M / rpr / 150.0
-0.32 ± 1.73
HAT-P-68b (LOW)
2023-02-08
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / AstrodonExoPlanet-BB / 120.0
0.29 ± 1.08
HAT-P-68b (LOW)
2023-01-25
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / Clear / 120.0
1.8 ± 1.09
HAT-P-68b (LOW)
2023-01-13
Javier Flores Martín
CAHA
GSO40
zwo 1600mm pro / Lum / 60.0
0.19 ± 0.45
HAT-P-68b (LOW)
2022-10-30
Antonino Brosio
ABObservatory
Skywatcher Newton Quattro 300P
Atik 383 L / rpr / 240.0
3.36 ± 1.38
HAT-P-68b (LOW)
2022-03-04
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 180.0
-2.95 ± 0.72
HAT-P-68b (LOW)
2022-02-10
Michelle Müller
TURMX Observatory
Planewave CDK17
GHY600M / rpr / 120.0
0.3 ± 0.58
HAT-P-68b (LOW)
2022-02-10
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 150.0
-1.58 ± 2.3
HAT-P-68b (LOW)
2022-01-24
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 120.0
2.22 ± 0.58
HAT-P-68b (LOW)
2022-01-24
Jacques Michelet
Claix
GSO Ritchey-Chrétien
QSI-632 / R / 150.0
-0.22 ± 0.86
HAT-P-68b (LOW)
2022-01-01
Tõnis Eenmäe
Tartu Observatory
Planewave CDK 12.5
Apogee Alta U42 / Lum / 120.0
-0.29 ± 0.72
HAT-P-68b (LOW)
2021-12-09
Vikrant Kumar Agnihotri
Cepheid Observatory India
C8/f6.3 Schmidt-Cassegrain
Atik383L+ mono / AstrodonExoPlanet-BB / 75.0
-3.52 ± 1.3
HAT-P-68b (LOW)
2021-12-03
Robert Roth
TURMX Observatory
Planewave CDK17
QHY600M / rpr / 120.0
0.68 ± 0.43

Space Observations

Planet
Observation Date
Mission O-C
minutes
HAT-P-68b (LOW)
2021-12-28
TESS-0.79 ± 0.95
HAT-P-68b (LOW)
2021-12-26
TESS-0.51 ± 1.04
HAT-P-68b (LOW)
2021-12-23
TESS1.16 ± 0.94
HAT-P-68b (LOW)
2021-12-21
TESS-2.31 ± 0.96
HAT-P-68b (LOW)
2021-12-19
TESS1.37 ± 0.98
HAT-P-68b (LOW)
2021-12-14
TESS0.61 ± 0.95
HAT-P-68b (LOW)
2021-12-12
TESS0.89 ± 0.92
HAT-P-68b (LOW)
2021-12-09
TESS-1.26 ± 1.07
HAT-P-68b (LOW)
2021-12-07
TESS-0.47 ± 1.05
HAT-P-68b (LOW)
2021-12-05
TESS0.57 ± 1.05
HAT-P-68b (LOW)
2021-11-05
TESS-0.1 ± 0.86
HAT-P-68b (LOW)
2021-11-03
TESS-0.45 ± 0.79
HAT-P-68b (LOW)
2021-10-31
TESS0.0 ± 1.11
HAT-P-68b (LOW)
2021-10-29
TESS0.71 ± 1.01
HAT-P-68b (LOW)
2021-10-27
TESS-0.78 ± 0.92
HAT-P-68b (LOW)
2021-10-22
TESS0.56 ± 0.84
HAT-P-68b (LOW)
2021-10-20
TESS-1.23 ± 1.14
HAT-P-68b (LOW)
2021-10-18
TESS-0.05 ± 0.98
HAT-P-68b (LOW)
2021-10-15
TESS-1.02 ± 1.27
HAT-P-68b (LOW)
2021-10-13
TESS1.1 ± 1.11

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2013-11-17 Lindor et al. 2021 -0.01 ± 0.2
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