exoclock

WASP-140b (MEDIUM)

Discovered by: Hellier et al. 2017

The Star
Simbad
GAIA
2MASS
BD-20 761
DR2 5094154336330994688
J04013254-2027039
RA 04:01:32.5498 DEC -20:27:03.910
Parallax
8.475 mas
P.M. RA
-18.665 mas/y
P.M. DEC
20.276 mas/y
MagV
11.12
MagR*
10.576
MagI*
10.265
MagJ
9.609
MagH
9.24
MagK
9.165
MagG
10.82
MagGBP
11.251
MagGRP
10.263
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458533.440604 ± 7.2e-05 BJDTDB
Period
2.23598448 ± 2.5e-07 days

Transit Parameters
Hellier et al. 2017
Rp/Rs
0.1432 ± 0.007
a/Rs**
7.94 +0.12 -0.12
i
83.3 +0.5 -0.8 deg
e
0.047 +0.004 -0.004
ω
356.0 +8.0 -8.0 deg
DepthR*
14.06 mmag
Duration*
1.45 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2017
Teff
5260.0 +100.0 -100.0 K
Log(g)
4.51 +0.04 -0.04 cm/s2
Fe/H
0.12 +0.1 -0.1 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 5.0"
Total Observations (Recent) 36 (3)
O-C -0.16 ± 0.32 minutes
ExoClock Observations (Recent) 8 (3)
Space Observations (Recent) 27 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.17821 ± 0.00042

WASP-140b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-140b (MEDIUM)
2022-12-15
Andre Kovacs
Observatório Pico dos Dias (OPD)
0.6 m Boller & Chivens f/6.75
Andor iKon-L 936 CCD / R / 25.0
-0.4 ± 0.6
WASP-140b (MEDIUM)
2022-12-15
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / R / 60.0
-2.46 ± 0.82
WASP-140b (MEDIUM)
2022-10-29
Anaël Wünsche
El Sauce Observatory
CDK Planewave Chili
Moravian G4 16k / R / 120.0
3.53 ± 1.58
WASP-140b (MEDIUM)
2021-11-30
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-0.95 ± 0.72
WASP-140b (MEDIUM)
2021-01-03
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.22 ± 0.58
WASP-140b (MEDIUM)
2020-12-07
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 40.0
-0.64 ± 1.44
WASP-140b (MEDIUM)
2020-11-26
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 40.0
-2.33 ± 0.58
WASP-140b (MEDIUM)
2020-02-25
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / V / 120.0
1.26 ± 1.3

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-140b (MEDIUM)
2020-11-14
TESS-0.01 ± 0.35
WASP-140b (MEDIUM)
2020-11-12
TESS-0.12 ± 0.46
WASP-140b (MEDIUM)
2020-11-10
TESS-0.7 ± 0.46
WASP-140b (MEDIUM)
2020-11-08
TESS-0.71 ± 0.45
WASP-140b (MEDIUM)
2020-11-06
TESS0.38 ± 0.33
WASP-140b (MEDIUM)
2020-11-01
TESS0.68 ± 0.45
WASP-140b (MEDIUM)
2020-10-30
TESS0.42 ± 0.42
WASP-140b (MEDIUM)
2020-10-28
TESS0.42 ± 0.42
WASP-140b (MEDIUM)
2020-10-25
TESS-0.4 ± 0.43
WASP-140b (MEDIUM)
2020-10-23
TESS0.91 ± 0.42
WASP-140b (MEDIUM)
2018-12-09
TESS-0.82 ± 0.37
WASP-140b (MEDIUM)
2018-12-07
TESS-0.34 ± 0.42
WASP-140b (MEDIUM)
2018-12-04
TESS1.6 ± 0.46
WASP-140b (MEDIUM)
2018-12-02
TESS-0.33 ± 0.39
WASP-140b (MEDIUM)
2018-11-30
TESS-0.02 ± 0.43
WASP-140b (MEDIUM)
2018-11-25
TESS-0.45 ± 0.48
WASP-140b (MEDIUM)
2018-11-23
TESS0.2 ± 0.39
WASP-140b (MEDIUM)
2018-11-19
TESS-0.04 ± 0.4
WASP-140b (MEDIUM)
2018-11-17
TESS0.18 ± 0.43
WASP-140b (MEDIUM)
2018-11-12
TESS0.08 ± 0.45
WASP-140b (MEDIUM)
2018-11-10
TESS0.14 ± 0.39
WASP-140b (MEDIUM)
2018-11-08
TESS0.65 ± 0.46
WASP-140b (MEDIUM)
2018-11-05
TESS-0.35 ± 0.46
WASP-140b (MEDIUM)
2018-11-03
TESS-0.57 ± 0.4
WASP-140b (MEDIUM)
2018-10-30
TESS0.14 ± 0.43
WASP-140b (MEDIUM)
2018-10-23
TESS-0.34 ± 0.4
WASP-140b (MEDIUM)
2018-10-21
TESS0.56 ± 0.42

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2014-09-11 Hellier et al. 2017 0.01 ± 0.22
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