exoclock

TOI-251b (HIGH)

Discovered by: Zhou et al. 2021

The Star
Simbad
GAIA
2MASS
CD-37 15287
DR2 6539037542941988736
J23321483-3715212
RA 23:32:14.8377 DEC -37:15:21.133
Parallax
10.019 mas
P.M. RA
44.639 mas/y
P.M. DEC
1.902 mas/y
MagV
9.933
MagR
10.026
MagI*
9.229
MagJ
8.766
MagH
8.498
MagK
8.426
MagG
9.754
MagGBP
10.107
MagGRP
9.291
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459571.98473 ± 0.0009 BJDTDB
Period
4.9377287 ± 6e-06 days

Transit Parameters
Patel et al. 2022
Rp/Rs
0.028 ± 0.0015
a/Rs
16.3 +1.2 -3.2
i
89.0 +72.0 69.0 deg
e
-
ω
- deg
DepthR*
1.02 mmag
Duration*
2.29 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Zhou et al. 2021
Teff
5875.0 +100.0 -190.0 K
Log(g)
4.56 +0.05 -0.05 cm/s2
Fe/H
-0.106 +0.079 -0.07 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 46.16"
Total Observations (Recent) 10 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.02727 ± 0.00088

TOI-251b


Space Observations

Planet
Observation Date
Mission O-C
minutes
TOI-251b (HIGH)
2023-09-16
TESS-4.04 ± 4.46
TOI-251b (HIGH)
2023-09-11
TESS1.48 ± 2.88
TOI-251b (HIGH)
2023-08-27
TESS-0.56 ± 2.3
TOI-251b (HIGH)
2020-09-15
TESS1.97 ± 4.75
TOI-251b (HIGH)
2020-09-10
TESS7.34 ± 5.47
TOI-251b (HIGH)
2020-09-05
TESS-5.44 ± 17.28
TOI-251b (HIGH)
2020-08-31
TESS0.8 ± 3.31
TOI-251b (HIGH)
2018-09-15
TESS-1.13 ± 5.47
TOI-251b (HIGH)
2018-08-31
TESS3.17 ± 7.78
TOI-251b (HIGH)
2018-08-26
TESS-3.27 ± 3.89
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