exoclock

TOI-561c (HIGH)

Discovered by: Lacedelli et al. 2021

The Star
Simbad
GAIA
2MASS		 TYC 243-1528-1
DR2 3850421005290172416
J09524454+0612589
RA 09:52:44.5490 DEC +06:12:58.924
Parallax
11.627 mas		 P.M. RA
-108.432 mas/y		 P.M. DEC
-61.511 mas/y
MagV
10.25		 MagR*
9.776		 MagI*
9.444		 MagJ
8.879		 MagH
8.504		 MagK
8.394
MagG
10.013		 MagGBP
10.412		 MagGRP
9.479
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459313.9145 ± 0.0011 BJDTDB
Period
10.778824 ± 1.7e-05 days
Transit Parameters
Lacedelli et al. 2021
Rp/Rs
0.0308 ± 0.0009		 a/Rs
22.1 +0.26 -0.26
 i
89.53 +0.32 -0.39 deg
e
0.06 +0.067 -0.042
 ω
200.0 +55.0 -49.0 deg
DepthR*
1.27 mmag		 Duration*
3.85 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Lacedelli et al. 2021
Teff
5455.0 +65.0 -47.0 K
 Log(g)
4.47 +0.01 -0.01 cm/s2
 Fe/H
-0.33 +0.1 -0.05 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 31.82"
Total Observations (Recent) 7 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 7 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.03002 ± 0.00078

TOI-561c


Space Observations
Planet
Observation Date		 Mission O-C
minutes
TOI-561c (HIGH)
2023-12-05		TESS0.06 ± 3.31
TOI-561c (HIGH)
2021-12-24		TESS2.48 ± 4.61
TOI-561c (HIGH)
2021-12-13		TESS6.98 ± 6.91
TOI-561c (HIGH)
2021-11-10		TESS-6.31 ± 4.46
TOI-561c (HIGH)
2021-02-14		TESS2.62 ± 5.76
TOI-561c (HIGH)
2019-02-23		TESS-1.4 ± 2.88
TOI-561c (HIGH)
2019-02-12		TESS5.83 ± 6.34
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