exoclock

L98-59c (ALERT)

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. 2022
Mid-time
2458902.42094 ± 0.00014 BJDTDB
Period
3.6906716 ± 1.5e-06 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 ALERT
Minimum aperture 38.37"
Total Observations (Recent) 86 (2)
O-C 11.0 ± 1.37 minutes
ExoClock Observations (Recent) 2 (2)
Space Observations (Recent) 84 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.04126 ± 0.00031

L98-59c


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
L98-59c (ALERT)
2023-12-04
MARIA STRATIGOU-PSARRA
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / Clear / 35.0
11.06 ± 1.87
L98-59c (ALERT)
2023-12-04
Magdalena Szkudlarek
Deep Sky Chile - ROTUZ
PlaneWave CDK 20
QHY268M pro / R / 35.0
10.92 ± 2.02

Space Observations

Planet
Observation Date
Mission O-C
minutes
L98-59c (ALERT)
2021-06-24
TESS2.03 ± 5.04
L98-59c (ALERT)
2021-06-20
TESS1.12 ± 1.87
L98-59c (ALERT)
2021-06-13
TESS-0.25 ± 2.02
L98-59c (ALERT)
2021-06-05
TESS-1.19 ± 1.35
L98-59c (ALERT)
2021-06-01
TESS-2.39 ± 2.59
L98-59c (ALERT)
2021-05-29
TESS-2.04 ± 1.34
L98-59c (ALERT)
2021-05-25
TESS-1.7 ± 1.04
L98-59c (ALERT)
2021-05-21
TESS1.8 ± 3.74
L98-59c (ALERT)
2021-05-18
TESS-3.03 ± 0.95
L98-59c (ALERT)
2021-05-14
TESS-0.73 ± 1.4
L98-59c (ALERT)
2021-05-10
TESS1.11 ± 1.44
L98-59c (ALERT)
2021-05-07
TESS0.22 ± 1.17
L98-59c (ALERT)
2021-05-03
TESS-1.88 ± 1.35
L98-59c (ALERT)
2021-04-29
TESS-0.9 ± 1.28
L98-59c (ALERT)
2021-04-26
TESS-3.52 ± 1.87
L98-59c (ALERT)
2021-04-22
TESS-0.88 ± 1.14
L98-59c (ALERT)
2021-04-18
TESS-1.01 ± 2.59
L98-59c (ALERT)
2021-04-11
TESS-1.41 ± 1.18
L98-59c (ALERT)
2021-04-07
TESS2.75 ± 2.16
L98-59c (ALERT)
2021-03-31
TESS-0.06 ± 1.17
L98-59c (ALERT)
2021-03-27
TESS-1.26 ± 2.02
L98-59c (ALERT)
2021-03-23
TESS-1.6 ± 1.11
L98-59c (ALERT)
2021-03-16
TESS1.31 ± 1.44
L98-59c (ALERT)
2021-03-12
TESS-2.43 ± 3.02
L98-59c (ALERT)
2021-03-09
TESS1.71 ± 1.18
L98-59c (ALERT)
2021-03-05
TESS-0.93 ± 2.02
L98-59c (ALERT)
2021-03-01
TESS-1.76 ± 1.12
L98-59c (ALERT)
2021-02-18
TESS2.91 ± 1.24
L98-59c (ALERT)
2021-02-14
TESS0.57 ± 1.28
L98-59c (ALERT)
2021-02-11
TESS-0.18 ± 1.21
L98-59c (ALERT)
2020-12-14
TESS2.26 ± 1.44
L98-59c (ALERT)
2020-12-10
TESS3.89 ± 4.46
L98-59c (ALERT)
2020-12-06
TESS3.05 ± 1.28
L98-59c (ALERT)
2020-11-29
TESS3.48 ± 1.44
L98-59c (ALERT)
2020-11-25
TESS-0.23 ± 1.09
L98-59c (ALERT)
2020-11-22
TESS4.42 ± 1.35
L98-59c (ALERT)
2020-09-16
TESS4.21 ± 1.14
L98-59c (ALERT)
2020-09-12
TESS2.34 ± 1.58
L98-59c (ALERT)
2020-09-05
TESS4.56 ± 2.88
L98-59c (ALERT)
2020-09-01
TESS2.36 ± 2.3
L98-59c (ALERT)
2020-08-29
TESS4.19 ± 1.87
L98-59c (ALERT)
2020-08-21
TESS5.11 ± 3.89
L98-59c (ALERT)
2020-08-18
TESS2.77 ± 1.44
L98-59c (ALERT)
2020-08-14
TESS5.46 ± 5.18
L98-59c (ALERT)
2020-08-07
TESS0.49 ± 1.44
L98-59c (ALERT)
2020-08-03
TESS0.45 ± 1.73
L98-59c (ALERT)
2019-06-16
TESS0.36 ± 1.14
L98-59c (ALERT)
2019-06-13
TESS0.86 ± 4.03
L98-59c (ALERT)
2019-06-09
TESS-0.04 ± 0.96
L98-59c (ALERT)
2019-06-02
TESS0.94 ± 1.11
L98-59c (ALERT)
2019-05-29
TESS0.53 ± 1.15
L98-59c (ALERT)
2019-05-25
TESS2.53 ± 3.02
L98-59c (ALERT)
2019-05-18
TESS-0.57 ± 2.02
L98-59c (ALERT)
2019-05-14
TESS0.0 ± 1.28
L98-59c (ALERT)
2019-05-11
TESS-0.08 ± 2.3
L98-59c (ALERT)
2019-05-03
TESS-1.13 ± 1.2
L98-59c (ALERT)
2019-04-29
TESS-1.47 ± 1.01
L98-59c (ALERT)
2019-04-26
TESS-2.12 ± 1.44
L98-59c (ALERT)
2019-04-18
TESS-0.32 ± 1.58
L98-59c (ALERT)
2019-04-15
TESS-0.65 ± 1.44
L98-59c (ALERT)
2019-04-11
TESS-3.0 ± 2.74
L98-59c (ALERT)
2019-04-07
TESS-2.65 ± 0.96
L98-59c (ALERT)
2019-04-04
TESS1.1 ± 2.16
L98-59c (ALERT)
2019-03-31
TESS-1.68 ± 1.44
L98-59c (ALERT)
2019-03-24
TESS-1.98 ± 1.11
L98-59c (ALERT)
2019-03-20
TESS-1.08 ± 1.2
L98-59c (ALERT)
2019-03-16
TESS-1.1 ± 0.96
L98-59c (ALERT)
2019-03-09
TESS-1.78 ± 1.87
L98-59c (ALERT)
2019-03-01
TESS-1.56 ± 1.15
L98-59c (ALERT)
2019-02-26
TESS0.43 ± 1.27
L98-59c (ALERT)
2019-02-22
TESS-1.27 ± 1.18
L98-59c (ALERT)
2019-02-11
TESS-0.28 ± 1.37
L98-59c (ALERT)
2019-02-07
TESS-1.53 ± 1.3
L98-59c (ALERT)
2019-02-04
TESS-1.55 ± 0.85
L98-59c (ALERT)
2018-12-10
TESS0.06 ± 1.34
L98-59c (ALERT)
2018-12-07
TESS-1.22 ± 2.45
L98-59c (ALERT)
2018-12-03
TESS1.33 ± 1.87
L98-59c (ALERT)
2018-11-25
TESS2.69 ± 1.87
L98-59c (ALERT)
2018-11-22
TESS1.98 ± 1.21
L98-59c (ALERT)
2018-09-16
TESS-1.26 ± 2.02
L98-59c (ALERT)
2018-09-13
TESS4.2 ± 1.24
L98-59c (ALERT)
2018-09-09
TESS0.53 ± 3.17
L98-59c (ALERT)
2018-08-29
TESS1.81 ± 1.31
L98-59c (ALERT)
2018-08-25
TESS3.25 ± 1.08
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