exoclock

LHS1140b (HIGH)

Discovered by: Dittmann et al. 2017

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
2458103.084207 ± 4.3e-05 BJDTDB
Period
24.73721 ± 1.7e-05 days

Transit Parameters
Ment et al. 2019
Rp/Rs
0.0739 ± 8e-05
a/Rs
95.3 +1.1 -1.1
i
89.89 +0.05 -0.03 deg
e
-
ω
- deg
DepthR*
7.47 mmag
Duration*
2.1 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Dittmann et al. 2017
Teff
3131.0 +100.0 -100.0 K
Log(g)
5.04 +0.07 -0.07 cm/s2
Fe/H
-0.24 +0.14 -0.14 dex
ExoClock Status
Observing Priority HIGH
Minimum aperture 19.59"
Total Observations (Recent) 9 (3)
O-C 1.0 ± 1.71 minutes
ExoClock Observations (Recent) 4 (3)
Space Observations (Recent) 2 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 3 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.0723 ± 0.0022

LHS1140b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
LHS1140b (HIGH)
2023-10-12
Mercedes Correa
Teide Observatory
IAC80
Camelot2 / I / 80.0
3.22 ± 3.17
LHS1140b (HIGH)
2023-10-12
Kevin Hills
Tacande
ASA 0.5m f/3.6 astrograph.
QHY 600M with IMX 455 chip / R / 120.0
1.2 ± 3.02
LHS1140b (HIGH)
2023-10-12
David Arnot
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 120.0
-1.97 ± 3.17
LHS1140b (HIGH)
2022-10-06
David Arnot
OSO PIRATE
PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 120.0
2.71 ± 5.62

Space Observations

Planet
Observation Date
Mission O-C
minutes
LHS1140b (HIGH)
2020-09-24
TESS0.41 ± 1.87
LHS1140b (HIGH)
2018-10-08
TESS-2.05 ± 2.02

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2018-10-08 Edwards et al. 2021 1.23 ± 1.88
2017-12-15 Edwards et al. 2021 -0.01 ± 0.11
2014-09-15 Dittmann et al. 2017 3.42 ± 7.78
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