exoclock

K2-140b (LOW)

Discovered by: Giles et al. 2018

The Star
Simbad
GAIA
2MASS
K2-140
DR2 3579426053724051584
J12323296-0936274
RA 12:32:32.9632 DEC -09:36:27.495
Parallax
2.847 mas
P.M. RA
-6.831 mas/y
P.M. DEC
6.107 mas/y
MagV
12.62
MagR
12.75
MagI
11.87
MagJ
11.421
MagH
11.068
MagK
10.995
MagG
12.481
MagGBP
12.848
MagGRP
11.968
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457732.80773 ± 0.0001 BJDTDB
Period
6.5692045 ± 1.5e-06 days

Transit Parameters
Korth et al. 2019
Rp/Rs
0.117 ± 0.001
a/Rs**
13.84 +0.04 -0.07
i
88.3 +0.1 -0.1 deg
e
-
ω
- deg
DepthR*
17.58 mmag
Duration*
3.77 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Giles et al. 2018
Teff
5654.0 +55.0 -55.0 K
Log(g)
4.45 +0.01 -0.01 cm/s2
Fe/H
0.12 +0.04 -0.04 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 7.26"
Total Observations (Recent) 15 (8)
O-C -0.09 ± 0.43 minutes
ExoClock Observations (Recent) 9 (6)
Space Observations (Recent) 6 (2)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 0 (0)
Kepler Rp/Rs 0.11495 ± 0.0002
TESS Rp/Rs 0.1153 ± 0.0017

K2-140b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
K2-140b (LOW)
2022-05-04
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
-0.84 ± 1.01
K2-140b (LOW)
2022-04-20
Vanessa Neumann
TURMX Observatory
Planewave CDK17
QHY600M / rpr / 120.0
-4.28 ± 1.58
K2-140b (LOW)
2022-04-01
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 180.0
2.51 ± 1.15
K2-140b (LOW)
2022-02-14
Jean-Pascal Vignes
Deep Sky Chile
CDK 400 Planewave
QHYCCD 600 M / R / 60.0
3.42 ± 1.58
K2-140b (LOW)
2022-02-14
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / Lum / 120.0
1.98 ± 2.16
K2-140b (LOW)
2022-02-14
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-3.22 ± 1.31
K2-140b (LOW)
2021-05-01
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
1.98 ± 1.15
K2-140b (LOW)
2021-04-18
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.12 ± 1.73
K2-140b (LOW)
2020-04-15
Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 120.0
-0.1 ± 0.86

Space Observations

Planet
Observation Date
Mission O-C
minutes
K2-140b (LOW)
2021-12-23
TESS-1.35 ± 1.31
K2-140b (LOW)
2021-12-10
TESS-1.66 ± 1.41
K2-140b (LOW)
2016-09-15
K20.6 ± 0.4
K2-140b (LOW)
2016-08-20
K20.07 ± 0.39
K2-140b (LOW)
2016-08-14
K2-0.2 ± 0.23
K2-140b (LOW)
2016-08-07
K2-0.06 ± 0.26
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