exoclock

TOI-4406b (HIGH)

Discovered by: Brahm et al. 2023

The Star
Simbad
GAIA
2MASS		 CPD-57 261
DR2 4910452812646300544
J01121157-5655316
RA 01:12:11.5785 DEC -56:55:31.690
Parallax
3.79 mas		 P.M. RA
34.476 mas/y		 P.M. DEC
19.112 mas/y
MagV
11.088		 MagR
10.56		 MagI
10.43		 MagJ
10.034		 MagH
9.769		 MagK
9.73
MagG
10.955		 MagGBP
11.256		 MagGRP
10.519
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459184.4505 ± 0.0013 BJDTDB
Period
30.083522 ± 5.5e-05 days
Transit Parameters
Brahm et al. 2023
Rp/Rs
0.079 ± 0.001		 a/Rs**
36.3 +0.16 -0.16
 i
88.48 +0.04 -0.04 deg
e
0.15 +0.05 -0.04
 ω
39.0 +18.0 -15.0 deg
DepthR*
6.1 mmag		 Duration*
3.73 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Brahm et al. 2023
Teff
6219.0 +70.0 -70.0 K
 Log(g)
4.29 +0.02 -0.02 cm/s2
 Fe/H
0.1 +0.05 -0.05 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 7.85"
Total Observations (Recent) 5 (0)
O-C -
ExoClock Observations (Recent) 1 (0)
Space Observations (Recent) 3 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.07633 ± 0.00092

TOI-4406b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
TOI-4406b (HIGH)
2023-05-22		ASTEP Team
ASTEP		Newton
Andor iKon936 BEX2-DD / R / 30.0		-7.72 ± 2.16

Space Observations
Planet
Observation Date		 Mission O-C
minutes
TOI-4406b (HIGH)
2023-08-20		TESS3.85 ± 2.02
TOI-4406b (HIGH)
2020-09-01		TESS1.82 ± 2.3
TOI-4406b (HIGH)
2020-08-02		TESS4.88 ± 1.87

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2018-09-10 Brahm et al. 2023 -2.02 ± 1.44
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