exoclock

WASP-55b (MEDIUM)

Discovered by: Hellier et al. 2012

The Star
Simbad
GAIA
2MASS
WASP-55
DR2 3603529272750802560
J13350194-1730124
RA 13:35:01.9537 DEC -17:30:12.526
Parallax
3.334 mas
P.M. RA
12.072 mas/y
P.M. DEC
-3.837 mas/y
MagV
11.75
MagR*
11.555
MagI*
11.048
MagJ
10.775
MagH
10.443
MagK
10.396
MagG
11.775
MagGBP
12.106
MagGRP
11.292
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457207.132185 ± 8e-05 BJDTDB
Period
4.46563013 ± 4.2e-07 days

Transit Parameters
Southworth et al. 2016
Rp/Rs
0.1246 ± 0.0007
a/Rs**
10.66 +0.07 -0.09
i
89.0 +0.6 -0.6 deg
e
-
ω
- deg
DepthR*
20.5 mmag
Duration*
3.56 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2012
Teff
5960.0 +100.0 -100.0 K
Log(g)
4.39 +0.03 -0.03 cm/s2
Fe/H
-0.2 +0.08 -0.08 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 5.02"
Total Observations (Recent) 22 (1)
O-C -0.26 ± 0.39 minutes
ExoClock Observations (Recent) 4 (1)
Space Observations (Recent) 8 (0)
ETD Observations (Recent) 1 (0)
Literature Mid-times (Recent) 9 (0)
Kepler Rp/Rs 0.1236 ± 0.00025
TESS Rp/Rs 0.12372 ± 0.00054

WASP-55b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-55b (MEDIUM)
2022-03-11
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
-4.7 ± 1.3
WASP-55b (MEDIUM)
2020-04-18
Phil Evans
El Sauce
Planewave CDK14
SBIG STT 1603-3 / R / 60.0
2.02 ± 1.15
WASP-55b (MEDIUM)
2020-04-13
Mike Miller
Sliding Spring
12 inch f9 Reflector
Apogee Alta U16 / Lum / 160.0
0.63 ± 5.76
WASP-55b (MEDIUM)
2018-04-30
Anastasia Kokori
El Sauce Observatory
Planewave CDK24
FLI ProLine PL9000 / rpr / 60.0
0.66 ± 1.73

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-55b (MEDIUM)
2021-04-23
TESS-0.57 ± 0.65
WASP-55b (MEDIUM)
2021-04-10
TESS-0.31 ± 0.82
WASP-55b (MEDIUM)
2021-04-05
TESS1.33 ± 0.68
WASP-55b (MEDIUM)
2019-04-17
TESS-0.97 ± 0.75
WASP-55b (MEDIUM)
2019-04-04
TESS-0.34 ± 0.72
WASP-55b (MEDIUM)
2019-03-31
TESS-0.34 ± 0.72
WASP-55b (MEDIUM)
2015-08-17
K20.22 ± 0.2
WASP-55b (MEDIUM)
2015-07-30
K2-0.15 ± 0.26

ETD Observations

Planet
Observation Date
Observer(s) ETD link O-C
minutes
WASP-55b (MEDIUM)
2014-04-30
FrantiĊĦek Lomoz13989196971.59 ± 2.59

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2015-04-23 Southworth et al. 2016 -0.12 ± 0.27
2014-06-19 Southworth et al. 2016 -0.11 ± 0.33
2013-05-04 Southworth et al. 2016 -0.25 ± 0.23
2011-06-03 Southworth et al. 2016 1.51 ± 0.66
2010-04-22 Southworth et al. 2016 3.2 ± 2.45
2009-04-30 Southworth et al. 2016 -5.43 ± 3.02
2008-04-24 Southworth et al. 2016 -0.96 ± 3.17
2007-04-11 Southworth et al. 2016 1.72 ± 4.03
2006-06-16 Southworth et al. 2016 -0.42 ± 4.9
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