exoclock

TOI-157b (LOW)

Discovered by: Nielsen et al. 2020

The Star
Simbad
GAIA
2MASS		 2MASS J04544830-7640498
DR2 4624979393181971328
J04544830-7640498
RA 04:54:48.2930 DEC -76:40:49.888
Parallax
2.783 mas		 P.M. RA
11.712 mas/y		 P.M. DEC
-18.922 mas/y
MagV
12.725		 MagR*
12.274		 MagI*
11.9		 MagJ
11.371		 MagH
10.99		 MagK
10.892
MagG
12.514		 MagGBP
12.917		 MagGRP
11.963
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2459087.404531 ± 6.9e-05 BJDTDB
Period
2.08453882 ± 5.3e-07 days
Transit Parameters
Nielsen et al. 2020
Rp/Rs
0.11329 ± 0.00056		 a/Rs
5.785 +0.066 -0.069
 i
82.01 +0.15 -0.16 deg
e
-		 ω
- deg
DepthR*
13.24 mmag		 Duration*
2.15 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Nielsen et al. 2020
Teff
5404.0 +70.0 -67.0 K
 Log(g)
4.28 +0.01 -0.01 cm/s2
 Fe/H
0.24 +0.09 -0.09 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 6.49"
Total Observations (Recent) 196 (4)
O-C -0.8 ± 0.45 minutes
ExoClock Observations (Recent) 15 (4)
Space Observations (Recent) 181 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.11592 ± 0.00025

TOI-157b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
TOI-157b (LOW)
2024-12-04		Jean-Pascal Vignes
Deep Sky Chile		PlaneWave CDK 17"
QHYCCD 600 M / Lum / 50.0		-1.52 ± 1.25
TOI-157b (LOW)
2024-11-11		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		0.98 ± 1.07
TOI-157b (LOW)
2024-11-07		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		1.05 ± 1.2
TOI-157b (LOW)
2023-12-24		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		3.08 ± 2.3
TOI-157b (LOW)
2023-11-29		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		2.6 ± 1.58
TOI-157b (LOW)
2023-04-20		Olga Michniewicz
Deep Sky Chile - ROTUZ		PlaneWave CDK 20
QHY268M pro / R / 55.0		-0.93 ± 1.32
TOI-157b (LOW)
2023-03-05		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		0.36 ± 1.34
TOI-157b (LOW)
2023-03-01		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / Lum / 60.0		-5.92 ± 1.58
TOI-157b (LOW)
2023-01-12		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-6.02 ± 1.32
TOI-157b (LOW)
2022-10-31		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		1.07 ± 1.58
TOI-157b (LOW)
2022-04-14		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 180.0		-2.21 ± 2.02
TOI-157b (LOW)
2022-03-20		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / R / 60.0		0.19 ± 2.45
TOI-157b (LOW)
2022-01-31		Anaël Wünsche
El Sauce Observatory		CDK Planewave Chili
Moravian G4 16k / Lum / 120.0		3.35 ± 1.58
TOI-157b (LOW)
2021-12-16		Jean-Pascal Vignes
Deep Sky Chile		Planewave CDK400
QHYCCD 600M / R / 60.0		-3.2 ± 1.44
TOI-157b (LOW)
2021-11-21		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		1.07 ± 1.44

Space Observations
Planet
Observation Date		 Mission O-C
minutes
TOI-157b (LOW)
2021-06-22		TESS-0.59 ± 1.41
TOI-157b (LOW)
2021-06-19		TESS0.17 ± 1.44
TOI-157b (LOW)
2021-06-17		TESS-2.8 ± 1.73
TOI-157b (LOW)
2021-06-15		TESS1.0 ± 1.87
TOI-157b (LOW)
2021-06-13		TESS0.22 ± 1.37
TOI-157b (LOW)
2021-06-11		TESS-2.41 ± 1.3
TOI-157b (LOW)
2021-06-07		TESS0.45 ± 1.41
TOI-157b (LOW)
2021-06-05		TESS0.75 ± 1.37
TOI-157b (LOW)
2021-06-03		TESS-1.9 ± 1.34
TOI-157b (LOW)
2021-06-01		TESS0.47 ± 1.25
TOI-157b (LOW)
2021-05-30		TESS-2.58 ± 1.58
TOI-157b (LOW)
2021-05-28		TESS-0.12 ± 1.25
TOI-157b (LOW)
2021-05-23		TESS-1.26 ± 1.58
TOI-157b (LOW)
2021-05-21		TESS0.38 ± 1.58
TOI-157b (LOW)
2021-05-19		TESS0.58 ± 1.58
TOI-157b (LOW)
2021-05-17		TESS-0.13 ± 1.22
TOI-157b (LOW)
2021-05-15		TESS-0.03 ± 1.44
TOI-157b (LOW)
2021-05-13		TESS-0.55 ± 1.87
TOI-157b (LOW)
2021-05-11		TESS-3.66 ± 2.3
TOI-157b (LOW)
2021-05-09		TESS0.75 ± 1.37
TOI-157b (LOW)
2021-05-07		TESS1.06 ± 1.73
TOI-157b (LOW)
2021-05-05		TESS1.18 ± 1.37
TOI-157b (LOW)
2021-05-03		TESS1.84 ± 1.43
TOI-157b (LOW)
2021-04-30		TESS0.94 ± 1.44
TOI-157b (LOW)
2021-04-26		TESS-0.83 ± 1.44
TOI-157b (LOW)
2021-04-24		TESS2.77 ± 1.18
TOI-157b (LOW)
2021-04-22		TESS-0.7 ± 1.44
TOI-157b (LOW)
2021-04-20		TESS1.07 ± 1.44
TOI-157b (LOW)
2021-04-18		TESS-3.77 ± 1.58
TOI-157b (LOW)
2021-04-14		TESS-0.92 ± 1.58
TOI-157b (LOW)
2021-04-12		TESS2.37 ± 1.37
TOI-157b (LOW)
2021-04-10		TESS0.6 ± 1.3
TOI-157b (LOW)
2021-04-08		TESS1.58 ± 1.43
TOI-157b (LOW)
2021-04-05		TESS0.6 ± 1.44
TOI-157b (LOW)
2021-03-30		TESS0.45 ± 1.41
TOI-157b (LOW)
2021-03-28		TESS1.33 ± 1.3
TOI-157b (LOW)
2021-03-26		TESS-0.0 ± 1.24
TOI-157b (LOW)
2021-03-24		TESS-1.31 ± 1.38
TOI-157b (LOW)
2021-03-22		TESS0.93 ± 1.43
TOI-157b (LOW)
2021-03-18		TESS0.37 ± 1.38
TOI-157b (LOW)
2021-03-16		TESS1.59 ± 1.44
TOI-157b (LOW)
2021-03-14		TESS-1.05 ± 1.17
TOI-157b (LOW)
2021-03-11		TESS0.97 ± 1.43
TOI-157b (LOW)
2021-03-09		TESS0.04 ± 1.44
TOI-157b (LOW)
2021-03-05		TESS0.6 ± 1.14
TOI-157b (LOW)
2021-03-03		TESS1.06 ± 1.44
TOI-157b (LOW)
2021-03-01		TESS1.42 ± 1.18
TOI-157b (LOW)
2021-02-27		TESS2.32 ± 1.35
TOI-157b (LOW)
2021-02-21		TESS1.3 ± 1.25
TOI-157b (LOW)
2021-02-19		TESS-1.4 ± 1.41
TOI-157b (LOW)
2021-02-17		TESS-0.39 ± 1.18
TOI-157b (LOW)
2021-02-14		TESS-1.75 ± 1.37
TOI-157b (LOW)
2021-02-12		TESS-2.35 ± 1.37
TOI-157b (LOW)
2021-02-10		TESS-0.12 ± 1.3
TOI-157b (LOW)
2021-02-06		TESS2.02 ± 1.58
TOI-157b (LOW)
2021-02-04		TESS1.01 ± 1.27
TOI-157b (LOW)
2021-02-02		TESS-0.17 ± 1.58
TOI-157b (LOW)
2021-01-31		TESS0.72 ± 1.35
TOI-157b (LOW)
2021-01-29		TESS-1.44 ± 1.27
TOI-157b (LOW)
2021-01-25		TESS-0.96 ± 1.58
TOI-157b (LOW)
2021-01-22		TESS1.29 ± 1.28
TOI-157b (LOW)
2021-01-20		TESS-0.54 ± 1.3
TOI-157b (LOW)
2021-01-18		TESS-2.23 ± 1.44
TOI-157b (LOW)
2021-01-16		TESS-0.01 ± 1.58
TOI-157b (LOW)
2021-01-12		TESS1.83 ± 1.44
TOI-157b (LOW)
2021-01-10		TESS-1.27 ± 1.4
TOI-157b (LOW)
2021-01-08		TESS1.02 ± 1.37
TOI-157b (LOW)
2021-01-06		TESS1.37 ± 1.35
TOI-157b (LOW)
2021-01-04		TESS1.47 ± 1.44
TOI-157b (LOW)
2021-01-02		TESS-0.05 ± 1.87
TOI-157b (LOW)
2020-12-28		TESS-1.9 ± 1.4
TOI-157b (LOW)
2020-12-26		TESS1.84 ± 1.44
TOI-157b (LOW)
2020-12-24		TESS-0.38 ± 1.31
TOI-157b (LOW)
2020-12-22		TESS0.37 ± 1.58
TOI-157b (LOW)
2020-12-20		TESS0.71 ± 1.58
TOI-157b (LOW)
2020-12-18		TESS-0.24 ± 1.73
TOI-157b (LOW)
2020-12-14		TESS1.46 ± 1.44
TOI-157b (LOW)
2020-12-12		TESS-1.15 ± 1.3
TOI-157b (LOW)
2020-12-10		TESS-0.13 ± 1.43
TOI-157b (LOW)
2020-12-08		TESS-1.4 ± 1.58
TOI-157b (LOW)
2020-12-06		TESS-1.11 ± 1.43
TOI-157b (LOW)
2020-12-03		TESS-1.58 ± 1.58
TOI-157b (LOW)
2020-12-01		TESS0.78 ± 1.44
TOI-157b (LOW)
2020-11-29		TESS-0.74 ± 1.87
TOI-157b (LOW)
2020-11-27		TESS0.46 ± 1.58
TOI-157b (LOW)
2020-11-25		TESS0.95 ± 1.44
TOI-157b (LOW)
2020-11-23		TESS-0.29 ± 1.58
TOI-157b (LOW)
2020-11-21		TESS-0.66 ± 1.58
TOI-157b (LOW)
2020-11-15		TESS-0.83 ± 1.2
TOI-157b (LOW)
2020-11-13		TESS0.26 ± 1.24
TOI-157b (LOW)
2020-11-11		TESS-1.44 ± 1.34
TOI-157b (LOW)
2020-11-08		TESS-1.32 ± 1.43
TOI-157b (LOW)
2020-11-06		TESS-1.43 ± 1.41
TOI-157b (LOW)
2020-11-02		TESS-2.15 ± 1.34
TOI-157b (LOW)
2020-10-31		TESS0.04 ± 1.44
TOI-157b (LOW)
2020-10-29		TESS-1.4 ± 1.35
TOI-157b (LOW)
2020-10-27		TESS1.3 ± 1.58
TOI-157b (LOW)
2020-10-25		TESS1.19 ± 1.21
TOI-157b (LOW)
2020-10-23		TESS-1.22 ± 1.37
TOI-157b (LOW)
2020-10-19		TESS0.09 ± 1.87
TOI-157b (LOW)
2020-10-17		TESS1.29 ± 1.58
TOI-157b (LOW)
2020-10-14		TESS1.84 ± 1.27
TOI-157b (LOW)
2020-10-12		TESS0.24 ± 1.35
TOI-157b (LOW)
2020-10-10		TESS0.45 ± 1.44
TOI-157b (LOW)
2020-10-08		TESS-1.36 ± 1.41
TOI-157b (LOW)
2020-10-04		TESS1.7 ± 1.3
TOI-157b (LOW)
2020-10-02		TESS0.53 ± 1.44
TOI-157b (LOW)
2020-09-30		TESS0.88 ± 1.44
TOI-157b (LOW)
2020-09-28		TESS-1.23 ± 1.44
TOI-157b (LOW)
2020-09-26		TESS1.05 ± 1.43
TOI-157b (LOW)
2020-09-24		TESS-1.0 ± 1.41
TOI-157b (LOW)
2020-09-19		TESS-1.32 ± 1.43
TOI-157b (LOW)
2020-09-17		TESS0.33 ± 1.34
TOI-157b (LOW)
2020-09-15		TESS-1.04 ± 1.58
TOI-157b (LOW)
2020-09-13		TESS-1.99 ± 1.44
TOI-157b (LOW)
2020-09-11		TESS-1.21 ± 1.37
TOI-157b (LOW)
2020-09-05		TESS-2.28 ± 1.4
TOI-157b (LOW)
2020-09-03		TESS0.38 ± 1.25
TOI-157b (LOW)
2020-09-01		TESS-0.79 ± 1.44
TOI-157b (LOW)
2020-08-30		TESS0.26 ± 1.43
TOI-157b (LOW)
2020-08-27		TESS-0.29 ± 1.32
TOI-157b (LOW)
2020-08-21		TESS-0.51 ± 1.58
TOI-157b (LOW)
2020-08-19		TESS-1.75 ± 1.44
TOI-157b (LOW)
2020-08-17		TESS-0.08 ± 1.32
TOI-157b (LOW)
2020-08-15		TESS1.82 ± 1.05
TOI-157b (LOW)
2020-08-09		TESS-0.65 ± 1.25
TOI-157b (LOW)
2020-08-07		TESS1.03 ± 1.44
TOI-157b (LOW)
2020-08-05		TESS1.29 ± 1.37
TOI-157b (LOW)
2020-08-02		TESS-0.87 ± 1.44
TOI-157b (LOW)
2020-07-31		TESS1.5 ± 1.41
TOI-157b (LOW)
2020-07-27		TESS-1.42 ± 1.58
TOI-157b (LOW)
2020-07-25		TESS-0.5 ± 1.58
TOI-157b (LOW)
2020-07-23		TESS0.22 ± 1.34
TOI-157b (LOW)
2020-07-21		TESS0.52 ± 1.24
TOI-157b (LOW)
2020-07-19		TESS0.53 ± 1.41
TOI-157b (LOW)
2020-07-15		TESS1.36 ± 1.58
TOI-157b (LOW)
2020-07-13		TESS0.41 ± 1.43
TOI-157b (LOW)
2020-07-11		TESS-1.0 ± 1.43
TOI-157b (LOW)
2020-07-08		TESS0.31 ± 1.28
TOI-157b (LOW)
2020-07-06		TESS2.16 ± 1.87
TOI-157b (LOW)
2019-07-16		TESS-1.38 ± 1.58
TOI-157b (LOW)
2019-07-14		TESS-3.06 ± 2.02
TOI-157b (LOW)
2019-07-12		TESS-1.56 ± 1.44
TOI-157b (LOW)
2019-07-10		TESS-0.5 ± 1.44
TOI-157b (LOW)
2019-07-05		TESS0.34 ± 1.44
TOI-157b (LOW)
2019-07-01		TESS-0.56 ± 1.44
TOI-157b (LOW)
2019-06-29		TESS-2.38 ± 1.44
TOI-157b (LOW)
2019-06-27		TESS-2.18 ± 1.58
TOI-157b (LOW)
2019-06-25		TESS0.33 ± 1.27
TOI-157b (LOW)
2019-06-23		TESS0.67 ± 1.73
TOI-157b (LOW)
2019-06-21		TESS0.58 ± 1.44
TOI-157b (LOW)
2019-06-17		TESS0.87 ± 1.28
TOI-157b (LOW)
2019-06-15		TESS0.03 ± 1.27
TOI-157b (LOW)
2019-06-13		TESS2.39 ± 1.31
TOI-157b (LOW)
2019-06-10		TESS-1.25 ± 1.41
TOI-157b (LOW)
2019-06-08		TESS1.12 ± 1.38
TOI-157b (LOW)
2019-06-02		TESS0.52 ± 1.38
TOI-157b (LOW)
2019-05-31		TESS0.13 ± 1.44
TOI-157b (LOW)
2019-05-29		TESS0.46 ± 1.4
TOI-157b (LOW)
2019-05-27		TESS-2.2 ± 1.43
TOI-157b (LOW)
2019-05-25		TESS-0.42 ± 1.58
TOI-157b (LOW)
2019-05-19		TESS1.77 ± 1.58
TOI-157b (LOW)
2019-05-16		TESS0.24 ± 1.73
TOI-157b (LOW)
2019-05-14		TESS1.32 ± 1.4
TOI-157b (LOW)
2019-05-12		TESS1.5 ± 1.58
TOI-157b (LOW)
2019-05-10		TESS-3.05 ± 1.58
TOI-157b (LOW)
2019-05-04		TESS-1.07 ± 1.41
TOI-157b (LOW)
2019-05-02		TESS0.6 ± 1.32
TOI-157b (LOW)
2019-04-30		TESS-0.18 ± 1.58
TOI-157b (LOW)
2019-04-28		TESS-0.7 ± 1.44
TOI-157b (LOW)
2019-04-26		TESS1.8 ± 1.44
TOI-157b (LOW)
2019-03-25		TESS1.94 ± 1.31
TOI-157b (LOW)
2019-03-23		TESS-0.6 ± 1.27
TOI-157b (LOW)
2019-03-21		TESS0.45 ± 1.44
TOI-157b (LOW)
2019-03-19		TESS4.02 ± 1.38
TOI-157b (LOW)
2019-03-17		TESS-0.01 ± 1.44
TOI-157b (LOW)
2019-03-11		TESS-3.45 ± 1.58
TOI-157b (LOW)
2019-03-09		TESS-1.14 ± 1.3
TOI-157b (LOW)
2019-03-07		TESS-0.58 ± 1.11
TOI-157b (LOW)
2019-03-05		TESS-0.4 ± 1.34
TOI-157b (LOW)
2019-03-02		TESS0.71 ± 1.37
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