exoclock

WASP-54b (LOW)

Discovered by: Faedi et al. 2013

The Star
Simbad
GAIA
2MASS
BD+00 3088
DR2 3661983850663908608
J13414903-0007410
RA 13:41:49.0301 DEC -00:07:41.033
Parallax
3.952 mas
P.M. RA
-10.892 mas/y
P.M. DEC
-24.685 mas/y
MagV
10.41
MagR
10.0
MagI
9.773
MagJ
9.365
MagH
9.135
MagK
9.035
MagG
10.244
MagGBP
10.534
MagGRP
9.829
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2459163.93328 ± 0.00018 BJDTDB
Period
3.69359933 ± 7e-07 days

Transit Parameters
Faedi et al. 2013
Rp/Rs
0.0927 ± 0.0011
a/Rs**
5.87 +0.14 -0.14
i
85.0 +0.6 -0.6 deg
e
0.07 +0.03 -0.03
ω
62.0 +21.0 -33.0 deg
DepthR*
10.73 mmag
Duration*
4.47 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Faedi et al. 2013
Teff
6100.0 +100.0 -100.0 K
Log(g)
4.0 +0.03 -0.04 cm/s2
Fe/H
-0.27 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 19 (14)
O-C -0.01 ± 0.3 minutes
ExoClock Observations (Recent) 9 (8)
Space Observations (Recent) 9 (6)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08778 ± 0.00028

WASP-54b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-54b (LOW)
2022-05-22
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 140.0
0.32 ± 3.17
WASP-54b (LOW)
2022-04-29
Claudio Lopresti
Claudio Lopresti
Camera Baker-Schmidt 8"
CCD Sbig ST8xme / I / 240.0
5.5 ± 5.76
WASP-54b (LOW)
2022-04-29
Robert Roth
TURMX Observatory
Planewave CDK17
QHY600M / ipr / 60.0
-3.14 ± 1.58
WASP-54b (LOW)
2022-04-29
Claudio Lopresti
Claudio Lopresti
Meade LX200 12"
CCD Sbig ST9xe / R / 60.0
-4.58 ± 4.32
WASP-54b (LOW)
2022-04-18
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / R / 60.0
0.89 ± 7.2
WASP-54b (LOW)
2022-04-18
Alessandro Marchini
Astronomical Observatory University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 180.0
-3.58 ± 2.02
WASP-54b (LOW)
2022-04-04
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 60.0
7.36 ± 2.45
WASP-54b (LOW)
2022-03-24
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 60.0
1.17 ± 4.32
WASP-54b (LOW)
2021-04-07
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 30.0
1.22 ± 2.59

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-54b (LOW)
2021-12-29
TESS1.46 ± 0.81
WASP-54b (LOW)
2021-12-25
TESS-0.63 ± 0.71
WASP-54b (LOW)
2021-12-21
TESS-0.12 ± 0.76
WASP-54b (LOW)
2021-12-14
TESS-0.52 ± 0.75
WASP-54b (LOW)
2021-12-10
TESS0.32 ± 0.85
WASP-54b (LOW)
2021-12-06
TESS0.23 ± 0.82
WASP-54b (LOW)
2020-04-10
TESS-1.35 ± 0.72
WASP-54b (LOW)
2020-03-30
TESS0.99 ± 0.72
WASP-54b (LOW)
2020-03-22
TESS-0.2 ± 0.79

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2010-11-21 Faedi et al. 2013 0.23 ± 1.14
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