exoclock

L98-59c (HIGH)

Discovered by: Kostov et al. 2019

The Star
Simbad
GAIA
2MASS
L 98-59
DR2 5271055243163629056
J08180763-6818468
RA 08:18:07.6215 DEC -68:18:46.799
Parallax
94.138 mas
P.M. RA
94.767 mas/y
P.M. DEC
-340.47 mas/y
MagV
11.685
MagR
11.294
MagI*
9.276
MagJ
7.933
MagH
7.359
MagK
7.101
MagG
10.598
MagGBP
11.977
MagGRP
9.472
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2459245.6539 ± 0.00013 BJDTDB
Period
3.69067509 ± 7.4e-07 days

Transit Parameters
Demangeon et al. 2021
Rp/Rs
0.04088 ± 0.00068
a/Rs
19.0 +1.2 -0.8
i
88.11 +0.36 -0.16 deg
e
0.103 +0.045 -0.058
ω
261.0 +20.0 -10.0 deg
DepthR*
1.93 mmag
Duration*
1.28 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Kostov et al. 2019
Teff
3367.0 +150.0 -150.0 K
Log(g)
4.946 +0.042 -0.042 cm/s2
Fe/H
-0.5 +0.5 -0.5 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 38.37"
Total Observations (Recent) 125 (0)
O-C -
ExoClock Observations (Recent) 2 (0)
Space Observations (Recent) 123 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.04139 ± 0.00025

L98-59c


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
L98-59c (HIGH)
2023-12-04
MARIA STRATIGOU-PSARRA
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / Clear / 35.0
8.93 ± 1.87
L98-59c (HIGH)
2023-12-04
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 35.0
8.78 ± 2.02

Space Observations

Planet
Observation Date
Mission O-C
minutes
L98-59c (HIGH)
2023-09-17
TESS-2.34 ± 2.02
L98-59c (HIGH)
2023-09-10
TESS-2.37 ± 1.18
L98-59c (HIGH)
2023-09-02
TESS-0.03 ± 1.58
L98-59c (HIGH)
2023-08-30
TESS-1.21 ± 1.01
L98-59c (HIGH)
2023-08-26
TESS-2.26 ± 1.44
L98-59c (HIGH)
2023-05-30
TESS-3.27 ± 2.3
L98-59c (HIGH)
2023-05-26
TESS-2.34 ± 0.96
L98-59c (HIGH)
2023-05-22
TESS-0.4 ± 1.08
L98-59c (HIGH)
2023-05-15
TESS-2.69 ± 1.87
L98-59c (HIGH)
2023-05-07
TESS-0.82 ± 1.12
L98-59c (HIGH)
2023-04-30
TESS-0.96 ± 1.87
L98-59c (HIGH)
2023-04-26
TESS-0.71 ± 1.58
L98-59c (HIGH)
2023-04-23
TESS0.2 ± 1.17
L98-59c (HIGH)
2023-04-19
TESS2.67 ± 1.87
L98-59c (HIGH)
2023-04-15
TESS-0.33 ± 1.09
L98-59c (HIGH)
2023-04-08
TESS-0.79 ± 1.4
L98-59c (HIGH)
2023-04-04
TESS1.23 ± 1.87
L98-59c (HIGH)
2023-03-31
TESS-0.82 ± 2.16
L98-59c (HIGH)
2023-03-28
TESS1.48 ± 1.35
L98-59c (HIGH)
2023-03-24
TESS-1.76 ± 2.3
L98-59c (HIGH)
2023-03-20
TESS0.79 ± 1.31
L98-59c (HIGH)
2023-03-17
TESS0.62 ± 1.28
L98-59c (HIGH)
2023-03-13
TESS0.87 ± 1.73
L98-59c (HIGH)
2023-03-09
TESS1.9 ± 1.43
L98-59c (HIGH)
2023-03-06
TESS2.43 ± 1.08
L98-59c (HIGH)
2023-03-02
TESS0.92 ± 1.18
L98-59c (HIGH)
2023-02-23
TESS2.42 ± 1.58
L98-59c (HIGH)
2023-02-15
TESS1.57 ± 1.2
L98-59c (HIGH)
2023-02-11
TESS3.03 ± 1.44
L98-59c (HIGH)
2023-02-08
TESS-0.66 ± 1.21
L98-59c (HIGH)
2023-02-04
TESS1.31 ± 1.15
L98-59c (HIGH)
2023-01-28
TESS3.03 ± 1.44
L98-59c (HIGH)
2023-01-24
TESS2.25 ± 1.09
L98-59c (HIGH)
2023-01-20
TESS0.23 ± 0.98
L98-59c (HIGH)
2021-06-24
TESS-0.04 ± 1.73
L98-59c (HIGH)
2021-06-20
TESS0.21 ± 1.87
L98-59c (HIGH)
2021-06-16
TESS0.88 ± 1.17
L98-59c (HIGH)
2021-06-13
TESS-1.3 ± 2.02
L98-59c (HIGH)
2021-06-05
TESS-2.16 ± 1.35
L98-59c (HIGH)
2021-06-01
TESS-2.99 ± 2.74
L98-59c (HIGH)
2021-05-29
TESS-2.84 ± 1.4
L98-59c (HIGH)
2021-05-25
TESS-2.72 ± 1.09
L98-59c (HIGH)
2021-05-21
TESS0.93 ± 3.6
L98-59c (HIGH)
2021-05-18
TESS-3.91 ± 0.95
L98-59c (HIGH)
2021-05-14
TESS-1.7 ± 1.37
L98-59c (HIGH)
2021-05-10
TESS0.25 ± 1.43
L98-59c (HIGH)
2021-05-07
TESS-0.87 ± 1.17
L98-59c (HIGH)
2021-05-03
TESS-2.79 ± 1.3
L98-59c (HIGH)
2021-04-29
TESS-1.82 ± 1.2
L98-59c (HIGH)
2021-04-26
TESS-4.36 ± 1.87
L98-59c (HIGH)
2021-04-22
TESS-1.62 ± 1.17
L98-59c (HIGH)
2021-04-18
TESS-1.69 ± 2.59
L98-59c (HIGH)
2021-04-11
TESS-2.3 ± 1.2
L98-59c (HIGH)
2021-04-07
TESS1.94 ± 2.02
L98-59c (HIGH)
2021-04-03
TESS-2.56 ± 2.3
L98-59c (HIGH)
2021-03-31
TESS-0.88 ± 1.12
L98-59c (HIGH)
2021-03-27
TESS-2.2 ± 2.3
L98-59c (HIGH)
2021-03-23
TESS-2.31 ± 1.09
L98-59c (HIGH)
2021-03-16
TESS0.49 ± 1.43
L98-59c (HIGH)
2021-03-12
TESS-3.21 ± 3.02
L98-59c (HIGH)
2021-03-09
TESS0.89 ± 1.15
L98-59c (HIGH)
2021-03-05
TESS-1.55 ± 1.73
L98-59c (HIGH)
2021-03-01
TESS-2.49 ± 1.12
L98-59c (HIGH)
2021-02-18
TESS2.18 ± 1.21
L98-59c (HIGH)
2021-02-14
TESS-0.2 ± 1.22
L98-59c (HIGH)
2021-02-11
TESS-0.87 ± 1.2
L98-59c (HIGH)
2020-12-14
TESS1.55 ± 1.44
L98-59c (HIGH)
2020-12-10
TESS3.1 ± 4.46
L98-59c (HIGH)
2020-12-06
TESS2.39 ± 1.22
L98-59c (HIGH)
2020-11-29
TESS2.8 ± 1.41
L98-59c (HIGH)
2020-11-25
TESS-0.88 ± 1.05
L98-59c (HIGH)
2020-11-22
TESS3.8 ± 1.3
L98-59c (HIGH)
2020-09-16
TESS3.5 ± 1.08
L98-59c (HIGH)
2020-09-12
TESS1.8 ± 1.58
L98-59c (HIGH)
2020-09-05
TESS4.04 ± 2.88
L98-59c (HIGH)
2020-09-01
TESS1.84 ± 2.59
L98-59c (HIGH)
2020-08-29
TESS3.25 ± 1.87
L98-59c (HIGH)
2020-08-21
TESS4.9 ± 3.74
L98-59c (HIGH)
2020-08-18
TESS2.42 ± 1.44
L98-59c (HIGH)
2020-08-14
TESS4.83 ± 5.18
L98-59c (HIGH)
2020-08-07
TESS-0.01 ± 1.44
L98-59c (HIGH)
2020-08-03
TESS-0.03 ± 1.58
L98-59c (HIGH)
2019-06-16
TESS0.46 ± 1.15
L98-59c (HIGH)
2019-06-13
TESS0.24 ± 1.28
L98-59c (HIGH)
2019-06-09
TESS0.07 ± 0.94
L98-59c (HIGH)
2019-06-02
TESS1.07 ± 1.08
L98-59c (HIGH)
2019-05-29
TESS0.63 ± 1.24
L98-59c (HIGH)
2019-05-25
TESS2.65 ± 2.88
L98-59c (HIGH)
2019-05-18
TESS-0.45 ± 1.87
L98-59c (HIGH)
2019-05-14
TESS-0.02 ± 1.25
L98-59c (HIGH)
2019-05-11
TESS0.2 ± 2.16
L98-59c (HIGH)
2019-05-03
TESS-0.91 ± 1.22
L98-59c (HIGH)
2019-04-29
TESS-1.39 ± 1.02
L98-59c (HIGH)
2019-04-26
TESS-1.91 ± 1.37
L98-59c (HIGH)
2019-04-18
TESS-0.16 ± 1.58
L98-59c (HIGH)
2019-04-15
TESS-0.48 ± 1.44
L98-59c (HIGH)
2019-04-11
TESS-2.68 ± 2.74
L98-59c (HIGH)
2019-04-07
TESS-2.5 ± 0.99
L98-59c (HIGH)
2019-04-04
TESS1.28 ± 2.16
L98-59c (HIGH)
2019-03-31
TESS-1.2 ± 1.58
L98-59c (HIGH)
2019-03-24
TESS-1.72 ± 1.11
L98-59c (HIGH)
2019-03-20
TESS-0.89 ± 1.2
L98-59c (HIGH)
2019-03-16
TESS-0.9 ± 0.95
L98-59c (HIGH)
2019-03-09
TESS-1.7 ± 1.87
L98-59c (HIGH)
2019-03-05
TESS-1.48 ± 1.34
L98-59c (HIGH)
2019-03-01
TESS-1.49 ± 1.14
L98-59c (HIGH)
2019-02-26
TESS0.67 ± 1.22
L98-59c (HIGH)
2019-02-22
TESS-1.06 ± 1.09
L98-59c (HIGH)
2019-02-11
TESS-0.07 ± 1.35
L98-59c (HIGH)
2019-02-07
TESS-1.17 ± 1.24
L98-59c (HIGH)
2019-02-04
TESS-1.31 ± 0.85
L98-59c (HIGH)
2018-12-10
TESS0.52 ± 1.32
L98-59c (HIGH)
2018-12-07
TESS-0.87 ± 2.45
L98-59c (HIGH)
2018-12-03
TESS1.68 ± 1.73
L98-59c (HIGH)
2018-11-25
TESS3.2 ± 1.87
L98-59c (HIGH)
2018-11-22
TESS2.32 ± 1.15
L98-59c (HIGH)
2018-11-18
TESS1.54 ± 1.44
L98-59c (HIGH)
2018-09-16
TESS-0.8 ± 2.16
L98-59c (HIGH)
2018-09-13
TESS4.58 ± 1.17
L98-59c (HIGH)
2018-09-09
TESS1.15 ± 3.31
L98-59c (HIGH)
2018-09-02
TESS6.69 ± 2.02
L98-59c (HIGH)
2018-08-29
TESS2.15 ± 1.34
L98-59c (HIGH)
2018-08-25
TESS3.72 ± 1.07
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