exoclock

WASP-78b (MEDIUM)

Discovered by: Smalley et al. 2012

The Star
Simbad
GAIA
2MASS
WASP-78
DR2 5089851638095503616
J04150149-2206591
RA 04:15:01.5043 DEC -22:06:59.103
Parallax
1.297 mas
P.M. RA
-0.463 mas/y
P.M. DEC
6.424 mas/y
MagV
11.96
MagR
12.43
MagI
11.65
MagJ
11.286
MagH
11.084
MagK
11.008
MagG
12.188
MagGBP
12.451
MagGRP
11.768
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457966.18625 ± 0.00017 BJDTDB
Period
2.175185 ± 2.7e-07 days

Transit Parameters
Smalley et al. 2012
Rp/Rs
0.0794 ± 0.0013
a/Rs
3.52 +0.13 -0.13
i
83.2 +2.3 -1.6 deg
e
-
ω
- deg
DepthR*
8.0 mmag
Duration*
4.8 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Smalley et al. 2012
Teff
6100.0 +150.0 -150.0 K
Log(g)
3.88 +0.04 -0.04 cm/s2
Fe/H
-0.35 +0.14 -0.14 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 9.65"
Total Observations (Recent) 40 (2)
O-C 3.51 ± 1.01 minutes
ExoClock Observations (Recent) 6 (2)
Space Observations (Recent) 32 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 2 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08611 ± 0.0004

WASP-78b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-78b (MEDIUM)
2023-12-04
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 90.0
2.92 ± 2.45
WASP-78b (MEDIUM)
2023-11-21
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 90.0
3.65 ± 1.44
WASP-78b (MEDIUM)
2023-01-14
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 90.0
3.59 ± 1.73
WASP-78b (MEDIUM)
2020-12-05
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
2.13 ± 2.3
WASP-78b (MEDIUM)
2020-11-24
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.01 ± 3.6
WASP-78b (MEDIUM)
2020-11-11
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
0.02 ± 2.3

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-78b (MEDIUM)
2020-12-16
TESS-2.22 ± 2.3
WASP-78b (MEDIUM)
2020-12-13
TESS-0.09 ± 2.45
WASP-78b (MEDIUM)
2020-12-11
TESS3.35 ± 2.3
WASP-78b (MEDIUM)
2020-12-09
TESS3.18 ± 2.45
WASP-78b (MEDIUM)
2020-12-07
TESS-1.45 ± 1.73
WASP-78b (MEDIUM)
2020-12-05
TESS-2.04 ± 2.16
WASP-78b (MEDIUM)
2020-11-30
TESS-0.94 ± 2.45
WASP-78b (MEDIUM)
2020-11-28
TESS1.49 ± 2.02
WASP-78b (MEDIUM)
2020-11-26
TESS0.6 ± 2.16
WASP-78b (MEDIUM)
2020-11-24
TESS2.31 ± 2.45
WASP-78b (MEDIUM)
2020-11-22
TESS-1.31 ± 1.87
WASP-78b (MEDIUM)
2020-11-15
TESS0.5 ± 3.31
WASP-78b (MEDIUM)
2020-11-13
TESS-1.54 ± 2.3
WASP-78b (MEDIUM)
2020-11-11
TESS-1.42 ± 2.45
WASP-78b (MEDIUM)
2020-11-09
TESS1.87 ± 2.45
WASP-78b (MEDIUM)
2020-11-06
TESS1.85 ± 1.87
WASP-78b (MEDIUM)
2020-11-02
TESS-1.07 ± 3.31
WASP-78b (MEDIUM)
2020-10-31
TESS1.64 ± 2.16
WASP-78b (MEDIUM)
2020-10-29
TESS0.61 ± 2.02
WASP-78b (MEDIUM)
2020-10-26
TESS-2.43 ± 2.02
WASP-78b (MEDIUM)
2020-10-24
TESS-1.16 ± 2.16
WASP-78b (MEDIUM)
2020-10-22
TESS-3.34 ± 2.16
WASP-78b (MEDIUM)
2018-12-09
TESS1.97 ± 2.59
WASP-78b (MEDIUM)
2018-12-07
TESS4.26 ± 2.16
WASP-78b (MEDIUM)
2018-12-05
TESS0.49 ± 1.73
WASP-78b (MEDIUM)
2018-12-03
TESS1.62 ± 2.02
WASP-78b (MEDIUM)
2018-11-30
TESS-0.99 ± 2.02
WASP-78b (MEDIUM)
2018-11-26
TESS-0.89 ± 2.16
WASP-78b (MEDIUM)
2018-11-24
TESS0.24 ± 2.02
WASP-78b (MEDIUM)
2018-11-22
TESS-1.08 ± 2.02
WASP-78b (MEDIUM)
2018-11-20
TESS-1.1 ± 2.02
WASP-78b (MEDIUM)
2018-11-17
TESS-0.84 ± 1.87

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2012-07-30 Brown et al. 2017 -0.79 ± 0.72
2011-11-16 Smalley et al. 2012 0.75 ± 0.76
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