exoclock

WASP-74b (LOW)

Discovered by: Hellier et al. 2015

The Star
Simbad
GAIA
2MASS
BD-01 3943
DR2 4224062406762625152
J20180931-0104324
RA 20:18:09.3209 DEC -01:04:32.610
Parallax
6.673 mas
P.M. RA
1.35 mas/y
P.M. DEC
-64.604 mas/y
MagV
9.75
MagR*
9.348
MagI*
9.024
MagJ
8.548
MagH
8.286
MagK
8.221
MagG
9.572
MagGBP
9.928
MagGRP
9.086
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457103.325971 ± 8.5e-05 BJDTDB
Period
2.13775367 ± 4.7e-07 days

Transit Parameters
Hellier et al. 2015
Rp/Rs
0.098 ± 0.0007
a/Rs
4.861 +0.006 -0.006
i
79.81 +0.24 -0.24 deg
e
-
ω
- deg
DepthR*
9.31 mmag
Duration*
2.34 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hellier et al. 2015
Teff
5970.0 +110.0 -110.0 K
Log(g)
4.18 +0.02 -0.02 cm/s2
Fe/H
0.39 +0.13 -0.13 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 27 (6)
O-C -3.65 ± 0.7 minutes
ExoClock Observations (Recent) 20 (6)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 7 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

WASP-74b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-74b (LOW)
2024-07-12
Giovanni Calapai
Home Astronomical Observatory
Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0
-1.96 ± 1.58
WASP-74b (LOW)
2024-06-28
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 45.0
-4.59 ± 2.74
WASP-74b (LOW)
2024-06-23
Yen-Hsing Lin
NTHU Observatory
Showa 10"
ASI6200MM Pro / Lum / 30.0
-0.69 ± 3.31
WASP-74b (LOW)
2023-08-20
Miguel Ángel Álava Amat
Sarriguren
Meade SC 8"
Asi 1600 MM / rpr / 180.0
-3.09 ± 2.74
WASP-74b (LOW)
2023-08-20
Bernhard Wenzel
Volkssternwarte Kirchheim
CAS A=60cm / F=1,8m
SBIG STL-6303-3 CCD 3072 x 2048 Pixels (9µm) / R / 10.0
-4.39 ± 3.74
WASP-74b (LOW)
2023-07-21
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
-2.44 ± 1.73
WASP-74b (LOW)
2023-07-07
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 30.0
-4.93 ± 2.3
WASP-74b (LOW)
2023-07-07
Antonio Ferretti
Anxanum Observatory
Meade LX200 ACF
QHY 268M / Clear / 30.0
-5.21 ± 2.16
WASP-74b (LOW)
2023-06-26
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / I / 120.0
-13.47 ± 4.9
WASP-74b (LOW)
2022-08-28
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 60.0
-1.28 ± 4.32
WASP-74b (LOW)
2022-08-16
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 80.0
-7.15 ± 2.45
WASP-74b (LOW)
2022-07-15
John Savage
Rushay Farm Z42
Skywatcher Esprit 150
ZWO ASI 6200MM / rpr / 30.0
1.93 ± 3.46
WASP-74b (LOW)
2022-07-15
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 59.0
-5.41 ± 2.59
WASP-74b (LOW)
2021-08-21
Giuseppe Marino
Gruppo Astrofili Catanesi
Newtonian
SBIG ST-7 XME / I / 100.0
-2.66 ± 1.87
WASP-74b (LOW)
2020-07-31
Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 60.0
1.25 ± 2.02
WASP-74b (LOW)
2020-07-31
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 10.0
0.96 ± 4.32
WASP-74b (LOW)
2020-07-31
John Savage
Z42 Rushay Farm Observatory
Celestron 14Edge
ZWO ASI6200MM / R / 60.0
-1.2 ± 2.74
WASP-74b (LOW)
2020-07-28
Iakovos Strikis
Elizabeth Observatory of Athens
Sky Watcher Quattro
SBIG STF-8300mm / R / 15.0
0.61 ± 4.32
WASP-74b (LOW)
2020-07-16
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 120.0
0.78 ± 2.02
WASP-74b (LOW)
2018-08-31
Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / V / 60.0
-0.55 ± 1.58

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2015-09-13 Mancini et al. 2019 -0.65 ± 0.49
2015-07-28 Mancini et al. 2019 0.6 ± 1.21
2015-07-15 Mancini et al. 2019 0.04 ± 0.29
2015-06-30 Mancini et al. 2019 -0.09 ± 0.55
2015-06-15 Mancini et al. 2019 0.85 ± 0.32
2015-05-31 Mancini et al. 2019 -0.2 ± 0.24
2013-08-02 Hellier et al. 2015 -0.14 ± 0.29
© 2019-2023 ExoClock Project - Privacy policy - Contact: exoclockproject@gmail.com