exoclock

TOI-1288b (LOW)

Discovered by: Magliano et al. 2023

The Star
Simbad
GAIA
2MASS		 TYC 4255-1629-1
DR2 2245652826430109184
J20523998+6536326
RA 20:52:39.9782 DEC +65:36:32.685
Parallax
8.677 mas		 P.M. RA
43.253 mas/y		 P.M. DEC
-68.614 mas/y
MagV
10.44		 MagR*
10.202		 MagI*
9.582		 MagJ
9.193		 MagH
8.842		 MagK
8.779
MagG
10.447		 MagGBP
10.872		 MagGRP
9.881
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459344.11904 ± 0.00015 BJDTDB
Period
2.69983041 ± 7.7e-07 days
Transit Parameters
Knudstrup et al. 2023
Rp/Rs
0.0476 ± 0.0005		 a/Rs
8.5 +0.4 -0.4
 i
88.3 +1.7 -0.7 deg
e
0.064 +0.014 -0.015
 ω
139.0 +13.0 -17.0 deg
DepthR*
3.02 mmag		 Duration*
2.38 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Magliano et al. 2023
Teff
5307.0 +18.0 -16.0 K
 Log(g)
4.62 +0.05 -0.05 cm/s2
 Fe/H
-0.04 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 16.03"
Total Observations (Recent) 72 (4)
O-C 2.89 ± 0.91 minutes
ExoClock Observations (Recent) 9 (4)
Space Observations (Recent) 63 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.04701 ± 0.00025

TOI-1288b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
TOI-1288b (LOW)
2025-11-08		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 30.0		9.71 ± 2.74
TOI-1288b (LOW)
2025-10-02		Manfred Raetz
privat observatory Herges-Hallenberg		SCT 280/1850 (C11 with Starizona reducer)
Moravian Instruments G2-1600 / I / 240.0		7.15 ± 4.18
TOI-1288b (LOW)
2025-07-13		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 45.0		4.86 ± 2.74
TOI-1288b (LOW)
2025-03-18		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / R / 90.0		3.58 ± 2.3
TOI-1288b (LOW)
2024-11-22		jean paul vergne
JPV-la Verdière		T350-f/d3
zwo294mm pro / Clear / 30.0		1.0 ± 3.31
TOI-1288b (LOW)
2024-07-18		Michael Nezel
Celle Observatory		CDK 14
QHY 268M / I / 30.0		-2.27 ± 2.16
TOI-1288b (LOW)
2024-06-30		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 35.0		2.93 ± 1.73
TOI-1288b (LOW)
2024-06-21		Javier Flores Martín
Calar Alto Hispano en Andalucia		Multi Array of Combinate Telescope (MARCOT)
ZWO1600MM / Lum / 30.0		-2.7 ± 4.46
TOI-1288b (LOW)
2023-11-10		Massimiliano Chella
OARPAF		Astelco T-800
STX-16801 SBIG / R / 60.0		4.54 ± 4.61

Space Observations
Planet
Observation Date		 Mission O-C
minutes
TOI-1288b (LOW)
2022-11-24		TESS1.59 ± 2.3
TOI-1288b (LOW)
2022-11-22		TESS-1.03 ± 1.14
TOI-1288b (LOW)
2022-11-19		TESS-0.91 ± 1.58
TOI-1288b (LOW)
2022-11-16		TESS2.08 ± 1.34
TOI-1288b (LOW)
2022-11-14		TESS1.05 ± 1.87
TOI-1288b (LOW)
2022-11-11		TESS4.98 ± 3.17
TOI-1288b (LOW)
2022-11-08		TESS-1.17 ± 1.58
TOI-1288b (LOW)
2022-11-03		TESS0.21 ± 1.44
TOI-1288b (LOW)
2022-10-31		TESS2.13 ± 1.44
TOI-1288b (LOW)
2022-10-28		TESS-2.15 ± 2.16
TOI-1288b (LOW)
2022-10-26		TESS1.7 ± 1.31
TOI-1288b (LOW)
2022-10-23		TESS2.12 ± 1.58
TOI-1288b (LOW)
2022-10-20		TESS-1.61 ± 1.24
TOI-1288b (LOW)
2022-10-18		TESS-0.96 ± 1.58
TOI-1288b (LOW)
2022-10-15		TESS-1.94 ± 1.22
TOI-1288b (LOW)
2022-10-09		TESS0.62 ± 1.31
TOI-1288b (LOW)
2022-10-07		TESS1.15 ± 1.17
TOI-1288b (LOW)
2022-10-04		TESS-0.95 ± 1.12
TOI-1288b (LOW)
2022-10-01		TESS-0.99 ± 1.73
TOI-1288b (LOW)
2022-09-29		TESS1.36 ± 1.44
TOI-1288b (LOW)
2022-09-26		TESS-0.43 ± 1.21
TOI-1288b (LOW)
2022-09-23		TESS-1.0 ± 1.58
TOI-1288b (LOW)
2022-09-21		TESS0.91 ± 1.73
TOI-1288b (LOW)
2022-09-18		TESS-0.32 ± 1.11
TOI-1288b (LOW)
2022-09-15		TESS-2.46 ± 1.44
TOI-1288b (LOW)
2022-09-12		TESS0.18 ± 1.44
TOI-1288b (LOW)
2022-09-10		TESS0.86 ± 1.02
TOI-1288b (LOW)
2022-09-07		TESS-0.16 ± 1.44
TOI-1288b (LOW)
2022-09-04		TESS-1.27 ± 2.16
TOI-1288b (LOW)
2020-05-10		TESS0.6 ± 1.24
TOI-1288b (LOW)
2020-05-07		TESS-0.61 ± 1.37
TOI-1288b (LOW)
2020-05-04		TESS-1.11 ± 2.16
TOI-1288b (LOW)
2020-05-02		TESS-1.07 ± 1.58
TOI-1288b (LOW)
2020-04-26		TESS2.04 ± 1.73
TOI-1288b (LOW)
2020-04-23		TESS0.17 ± 1.34
TOI-1288b (LOW)
2020-04-21		TESS-0.18 ± 1.44
TOI-1288b (LOW)
2020-04-18		TESS-1.9 ± 1.41
TOI-1288b (LOW)
2019-11-24		TESS-4.06 ± 1.44
TOI-1288b (LOW)
2019-11-22		TESS1.56 ± 1.58
TOI-1288b (LOW)
2019-11-19		TESS1.31 ± 1.58
TOI-1288b (LOW)
2019-11-16		TESS0.49 ± 1.73
TOI-1288b (LOW)
2019-11-11		TESS-0.34 ± 1.28
TOI-1288b (LOW)
2019-11-08		TESS-0.07 ± 1.41
TOI-1288b (LOW)
2019-11-05		TESS-1.2 ± 1.73
TOI-1288b (LOW)
2019-10-28		TESS-2.66 ± 2.88
TOI-1288b (LOW)
2019-10-26		TESS2.43 ± 3.31
TOI-1288b (LOW)
2019-10-23		TESS0.66 ± 1.44
TOI-1288b (LOW)
2019-10-17		TESS2.56 ± 2.45
TOI-1288b (LOW)
2019-10-15		TESS6.73 ± 1.24
TOI-1288b (LOW)
2019-10-12		TESS4.66 ± 1.87
TOI-1288b (LOW)
2019-10-09		TESS-0.61 ± 1.08
TOI-1288b (LOW)
2019-10-01		TESS-2.8 ± 1.44
TOI-1288b (LOW)
2019-09-29		TESS-1.24 ± 1.17
TOI-1288b (LOW)
2019-09-26		TESS-0.4 ± 1.87
TOI-1288b (LOW)
2019-09-18		TESS-0.13 ± 3.02
TOI-1288b (LOW)
2019-09-15		TESS-2.39 ± 1.58
TOI-1288b (LOW)
2019-09-12		TESS-0.47 ± 1.87
TOI-1288b (LOW)
2019-09-07		TESS0.05 ± 1.44
TOI-1288b (LOW)
2019-09-04		TESS0.67 ± 1.44
TOI-1288b (LOW)
2019-08-30		TESS-1.84 ± 4.03
TOI-1288b (LOW)
2019-08-22		TESS-0.06 ± 1.11
TOI-1288b (LOW)
2019-08-19		TESS1.36 ± 1.87
TOI-1288b (LOW)
2019-08-16		TESS-1.47 ± 1.44
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