exoclock

WASP-28b (LOW)

Discovered by: Anderson et al. 2015

The Star
Simbad
GAIA
2MASS
WASP-28
DR2 2641087471777046016
J23342787-0134482
RA 23:34:27.8815 DEC -01:34:48.112
Parallax
2.841 mas
P.M. RA
22.318 mas/y
P.M. DEC
10.78 mas/y
MagV
12.03
MagR*
11.817
MagI
11.47
MagJ
11.078
MagH
10.762
MagK
10.732
MagG
12.029
MagGBP
12.337
MagGRP
11.567
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457618.64044 ± 0.00014 BJDTDB
Period
3.40883502 ± 5e-07 days

Transit Parameters
Maciejewski et al. 2016
Rp/Rs
0.116 ± 0.0017
a/Rs**
8.62 +0.1 -0.1
i
88.3 +1.6 -0.9 deg
e
-
ω
- deg
DepthR*
17.53 mmag
Duration*
3.29 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Anderson et al. 2015
Teff
6150.0 +140.0 -140.0 K
Log(g)
4.37 +0.02 -0.02 cm/s2
Fe/H
-0.29 +0.1 -0.1 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.41"
Total Observations (Recent) 27 (5)
O-C -0.23 ± 0.36 minutes
ExoClock Observations (Recent) 9 (5)
Space Observations (Recent) 9 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 9 (0)
Kepler Rp/Rs 0.11385 ± 0.00023
TESS Rp/Rs 0.11362 ± 0.00092

WASP-28b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-28b (LOW)
2022-11-08
Martin Mifsud
Manikata Observatory
Meade OTA
SBig ST10XME / V / 300.0
4.32 ± 2.74
WASP-28b (LOW)
2022-10-15
Marc Serrau
A77 Dauban
Celestron 11
QHY268 Mono / rpr / 120.0
1.8 ± 3.31
WASP-28b (LOW)
2022-10-15
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 120.0
-5.55 ± 3.46
WASP-28b (LOW)
2022-09-22
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-2.17 ± 1.01
WASP-28b (LOW)
2022-08-29
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.63 ± 0.72
WASP-28b (LOW)
2020-09-26
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 90.0
3.67 ± 2.88
WASP-28b (LOW)
2020-09-19
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
1.61 ± 1.3
WASP-28b (LOW)
2020-08-16
Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 120.0
5.29 ± 3.17
WASP-28b (LOW)
2020-07-30
Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 120.0
-0.36 ± 2.02

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-28b (LOW)
2021-09-08
TESS0.14 ± 1.14
WASP-28b (LOW)
2021-09-05
TESS-0.21 ± 0.98
WASP-28b (LOW)
2021-08-26
TESS-1.21 ± 0.89
WASP-28b (LOW)
2021-08-22
TESS0.42 ± 0.89
WASP-28b (LOW)
2017-01-28
K2-1.23 ± 0.5
WASP-28b (LOW)
2017-01-25
K20.96 ± 0.52
WASP-28b (LOW)
2017-01-15
K20.26 ± 0.3
WASP-28b (LOW)
2017-01-11
K20.03 ± 0.37
WASP-28b (LOW)
2016-12-29
K2-0.61 ± 0.35

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2017-11-14 Wang et al. 2021 0.0 ± 2.3
2014-10-02 Maciejewski et al. 2016 2.72 ± 1.05
2014-09-26 Maciejewski et al. 2016 -0.19 ± 3.02
2014-08-19 Wang et al. 2021 -4.96 ± 2.02
2013-10-27 Petrucci et al. 2015 2.5 ± 1.01
2012-07-27 Petrucci et al. 2015 -3.12 ± 3.17
2011-08-28 Petrucci et al. 2015 2.63 ± 2.32
2010-09-17 Maciejewski et al. 2016 -2.21 ± 2.02
2010-04-03 Anderson et al. 2015 -0.23 ± 0.45
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