exoclock

GJ357b (HIGH)

Discovered by: Luque et al. 2019

The Star
Simbad
GAIA
2MASS
L 678-39
DR2 5664814198431308288
J09360161-2139371
RA 09:36:01.6372 DEC -21:39:38.878
Parallax
105.883 mas
P.M. RA
138.694 mas/y
P.M. DEC
-990.311 mas/y
MagV
10.906
MagR
9.858
MagI
8.577
MagJ
7.337
MagH
6.74
MagK
6.475
MagG
9.88
MagGBP
11.19
MagGRP
8.792
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458824.588 ± 0.00091 BJDTDB
Period
3.930623 ± 1e-05 days

Transit Parameters
Luque et al. 2019
Rp/Rs
0.0331 ± 0.0009
a/Rs**
19.4 +1.4 -1.3
i
89.12 +0.37 -0.31 deg
e
-
ω
- deg
DepthR*
1.43 mmag
Duration*
1.53 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Luque et al. 2019
Teff
3505.0 +51.0 -51.0 K
Log(g)
4.94 +0.07 -0.07 cm/s2
Fe/H
-0.12 +0.16 -0.16 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 35.37"
Total Observations (Recent) 10 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 10 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.03077 ± 0.00079

GJ357b


Space Observations

Planet
Observation Date
Mission O-C
minutes
GJ357b (HIGH)
2021-03-03
TESS0.08 ± 1.87
GJ357b (HIGH)
2021-02-27
TESS2.85 ± 2.02
GJ357b (HIGH)
2021-02-19
TESS-3.71 ± 4.18
GJ357b (HIGH)
2021-02-15
TESS-2.96 ± 3.74
GJ357b (HIGH)
2021-02-11
TESS-6.38 ± 4.03
GJ357b (HIGH)
2019-02-27
TESS-3.81 ± 8.21
GJ357b (HIGH)
2019-02-23
TESS-2.33 ± 8.78
GJ357b (HIGH)
2019-02-11
TESS4.53 ± 1.58
GJ357b (HIGH)
2019-02-07
TESS5.43 ± 2.45
GJ357b (HIGH)
2019-02-03
TESS-5.28 ± 1.44
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