exoclock

LHS1140c (HIGH)

Discovered by: Ment et al. 2019

The Star
Simbad
GAIA
2MASS
G 268-38
DR2 2371032916186181760
J00445930-1516166
RA 00:44:59.3314 DEC -15:16:17.543
Parallax
66.7 mas
P.M. RA
317.585 mas/y
P.M. DEC
-596.617 mas/y
MagV
14.15
MagR
13.801
MagI
11.19
MagJ
9.612
MagH
9.092
MagK
8.821
MagG
12.671
MagGBP
14.435
MagGRP
11.399
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458226.843969 ± 1.8e-05 BJDTDB
Period
3.7779329 ± 2.8e-06 days

Transit Parameters
Ment et al. 2019
Rp/Rs
0.05486 ± 0.00013
a/Rs
26.57 +0.05 -0.05
i
89.92 +0.06 -0.09 deg
e
-
ω
- deg
DepthR*
4.1 mmag
Duration*
1.15 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Ment et al. 2019
Teff
3216.0 +39.0 -39.0 K
Log(g)
5.05 +0.03 -0.03 cm/s2
Fe/H
-0.24 +0.1 -0.1 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 42.21"
Total Observations (Recent) 9 (0)
O-C -
ExoClock Observations (Recent) 0 (0)
Space Observations (Recent) 8 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0491 ± 0.0025

LHS1140c


Space Observations

Planet
Observation Date
Mission O-C
minutes
LHS1140c (HIGH)
2020-10-18
TESS0.68 ± 3.46
LHS1140c (HIGH)
2020-10-14
TESS4.04 ± 7.63
LHS1140c (HIGH)
2020-10-11
TESS-0.09 ± 1.58
LHS1140c (HIGH)
2020-10-03
TESS-2.88 ± 6.05
LHS1140c (HIGH)
2018-10-12
TESS-4.77 ± 3.6
LHS1140c (HIGH)
2018-10-09
TESS1.75 ± 2.3
LHS1140c (HIGH)
2018-10-05
TESS5.98 ± 6.05
LHS1140c (HIGH)
2018-10-01
TESS-7.8 ± 10.66

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2018-04-18 Ment et al. 2019 0.0 ± 0.04
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