exoclock

HD108236b (HIGH)

Discovered by: Daylan et al. 2021

The Star
Simbad
GAIA
2MASS
HD 108236
DR2 6125644402384918784
J12261789-5121462
RA 12:26:17.8916 DEC -51:21:46.214
Parallax
15.452 mas
P.M. RA
-70.434 mas/y
P.M. DEC
-49.865 mas/y
MagV
9.24
MagR*
8.865
MagI*
8.524
MagJ
8.046
MagH
7.703
MagK
7.637
MagG
9.087
MagGBP
9.436
MagGRP
8.606
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2459027.674 ± 0.015 BJDTDB
Period
3.79666 ± 0.00017 days

Transit Parameters
Daylan et al. 2021
Rp/Rs
0.01638 ± 0.00095
a/Rs
11.35 +0.34 -0.34
i
87.88 +1.3 -0.87 deg
e
0.2 +0.3 -0.14
ω
190.0 +140.0 -140.0 deg
DepthR*
0.34 mmag
Duration*
2.41 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Daylan et al. 2021
Teff
5730.0 +50.0 -50.0 K
Log(g)
4.5 +0.5 -0.5 cm/s2
Fe/H
-0.3 +0.5 -0.5 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 112.23"
Total Observations (Recent) 9 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 8 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.022 ± 0.00093

HD108236b


Space Observations

Planet
Observation Date
Mission O-C
minutes
HD108236b (HIGH)
2021-04-11
TESS41.53 ± 2.88
HD108236b (HIGH)
2021-04-07
TESS-140.83 ± 5.9
HD108236b (HIGH)
2021-04-04
TESS-179.77 ± 21.6
HD108236b (HIGH)
2019-05-14
TESS35.83 ± 10.22
HD108236b (HIGH)
2019-05-10
TESS74.79 ± 14.4
HD108236b (HIGH)
2019-05-02
TESS-74.94 ± 5.9
HD108236b (HIGH)
2019-04-06
TESS34.53 ± 4.61
HD108236b (HIGH)
2019-04-02
TESS38.07 ± 11.52

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2020-04-08 Bonfanti et al. 2021 -53.91 ± 7.92
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