exoclock
The Star
Simbad
GAIA
2MASS
TYC 3083-295-1
DR2 1358355738906114816
J16563135+4418095
RA 16:56:31.3399 DEC +44:18:09.549
Parallax
4.03 mas
P.M. RA
-13.477 mas/y
P.M. DEC
-27.061 mas/y
MagV
12.04
MagR*
11.846
MagI*
11.22
MagJ
10.938
MagH
10.585
MagK
10.506
MagG
12.085
MagGBP
12.489
MagGRP
11.54
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2025
Mid-time
2458582.5548 ± 0.0012 BJDTDB
Period
8.803812 ± 1e-05 days

Transit Parameters
Hébrard et al. 2020
Rp/Rs
0.0807 ± 0.0007
a/Rs
19.8 +1.5 -1.5
i
89.8 +0.27 -0.27 deg
e
0.22 +0.063 -0.063
ω
59.0 +20.0 -20.0 deg
DepthR*
8.79 mmag
Duration*
3.01 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hébrard et al. 2020
Teff
5460.0 +130.0 -130.0 K
Log(g)
4.4 +0.15 -0.15 cm/s2
Fe/H
0.11 +0.08 -0.08 dex
ExoClock Status
Observing Priority ALERT - TTVs
Minimum aperture 7.95"
Total Observations (Recent) 57 (14)
O-C 19.48 ± 0.83 minutes
ExoClock Observations (Recent) 46 (14)
Space Observations (Recent) 3 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 8 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.085 ± 0.0015

WASP-148b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
WASP-148b (ALERT - TTVs)
2026-04-13
Daniel BOUYSSE
OAA46500
RC TS-Optics f/6.4
PlayerOne-Poseidon-M / R / 300.0
8.94 ± 6.05
WASP-148b (ALERT - TTVs)
2026-04-13
Mika Hämäläinen
Amateur Astronomer
Newtonian
ASI183MM / Clear / 120.0
1.16 ± 2.59
WASP-148b (ALERT - TTVs)
2026-04-13
John Savage
Rushay Farm Z42
Skywatcher Esprit 150
ZWO ASI 6200MM / Lum / 60.0
-2.87 ± 3.6
WASP-148b (ALERT - TTVs)
2026-04-13
Kevin Johnson
Holbrook Observatory
Meade LX50 10"
Atik 383L+ / Lum / 120.0
-7.48 ± 4.9
WASP-148b (ALERT - TTVs)
2026-04-13
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 150.0
-7.91 ± 3.02
WASP-148b (ALERT - TTVs)
2025-09-05
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0
32.7 ± 3.17
WASP-148b (ALERT - TTVs)
2025-09-05
Arushi Nath
Arushi Nath
12" Ritchey- Chretien Pro
ASI 2600 Mono Camera / R / 180.0
25.64 ± 3.31
WASP-148b (ALERT - TTVs)
2025-09-05
Fabio Filippi
OPLA
Newtonian
Atik 414ex / R / 60.0
22.19 ± 6.05
WASP-148b (ALERT - TTVs)
2025-09-05
Antonio Marino
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY
MEADE
CCD Atik 383L / R / 60.0
-4.02 ± 5.04
WASP-148b (ALERT - TTVs)
2025-07-15
Arushi Nath
Arushi Nath
12" Ritchey- Chretien Pro
ASI 2600 Mono Camera / R / 120.0
32.08 ± 8.06
WASP-148b (ALERT - TTVs)
2025-07-15
Yann LE GALL
Trevinca Skies
Newton
Ares M pr imx533 / AstrodonExoPlanet-BB / 30.0
-7.66 ± 9.5
WASP-148b (ALERT - TTVs)
2025-06-01
Giovanni Calapai
Home Astronomical Observatory
Celestron 11 Schmidt-Cassegrain
Atik 314L+ / Clear / 90.0
36.78 ± 2.3
WASP-148b (ALERT - TTVs)
2025-06-01
Daniel Kustrin
Alnitak
PlaneWave CDK
Moravian C3-61000 Pro / R / 60.0
34.04 ± 2.16
WASP-148b (ALERT - TTVs)
2025-05-23
Alfredo Viegas
GRT North
AstroPhysics 175
FLI-16200 / Lum / 60.0
18.07 ± 4.75
WASP-148b (ALERT - TTVs)
2025-04-18
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0
24.05 ± 5.04
WASP-148b (ALERT - TTVs)
2025-04-18
Patrick Farizy
Patrick Farizy
Celestron C8
Touptek 585 C / Clear / 35.0
20.74 ± 2.59
WASP-148b (ALERT - TTVs)
2024-07-27
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 60.0
32.34 ± 3.46
WASP-148b (ALERT - TTVs)
2024-06-05
Chiara Emma Hilde PWS
Trevinca
William Optics FLT132
Player One Poseidon-M Pro / R / 90.0
25.53 ± 5.9
WASP-148b (ALERT - TTVs)
2024-04-22
Mark Phillips
ASERO
ONTC Newtonian CMOS
Touptek IMX571 mono / R / 120.0
38.58 ± 2.45
WASP-148b (ALERT - TTVs)
2024-04-22
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / V / 180.0
33.4 ± 3.46
WASP-148b (ALERT - TTVs)
2024-04-22
samuel Diaz Lopez
Tomas Lopez (AstroCamp)
RC10
Atik16200M / V / 180.0
26.92 ± 4.46
WASP-148b (ALERT - TTVs)
2024-04-04
Bryan Martin
Tiger Butte Observatory Remote
AG Optical IDK
ZWO ASI 294 / R / 180.0
29.54 ± 6.19
WASP-148b (ALERT - TTVs)
2023-09-14
Lionel Rousselot
Private observatory Vierzon
Newton 250/1000
ZWO 533 monochrome / Lum / 90.0
-0.88 ± 5.04
WASP-148b (ALERT - TTVs)
2023-08-01
Dim Stouraitis
Galilaios
SCT
SXVF-H9 Starlight-Xpress / R / 150.0
-1.22 ± 3.6
WASP-148b (ALERT - TTVs)
2023-06-18
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0
4.91 ± 2.88
WASP-148b (ALERT - TTVs)
2023-05-05
Tõnis Eenmäe
Tartu Observatory
Planewave CDK 12.5
Apogee Alta U42 / R / 90.0
20.22 ± 1.4
WASP-148b (ALERT - TTVs)
2023-03-14
Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0
31.46 ± 2.59
WASP-148b (ALERT - TTVs)
2022-08-05
Pascal Delcroix
APIC Bortle9
Newton 254/1200mm
Asi 1600mm-pro / R / 45.0
5.97 ± 4.32
WASP-148b (ALERT - TTVs)
2022-08-05
Antelm Ginard
IAC
IAC Telescope
CAMELOT2 / R / 140.0
0.64 ± 1.87
WASP-148b (ALERT - TTVs)
2022-08-05
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 150.0
0.5 ± 2.59
WASP-148b (ALERT - TTVs)
2022-08-05
Antelm Ginard
IAC
IAC Telescope
CAMELOT2 / I / 120.0
-2.24 ± 2.02
WASP-148b (ALERT - TTVs)
2022-08-05
Stephane Ferratfiat
Observatoire des Baronnies Provençales
T430
Cmos ASI 6200 ZWO / Clear / 120.0
-2.96 ± 2.88
WASP-148b (ALERT - TTVs)
2022-08-05
Stéphane Montchaud
Planetarium Mailly le Château
Celestron 8
Zwo Asi 1600 / Lum / 120.0
-5.55 ± 7.2
WASP-148b (ALERT - TTVs)
2022-08-05
Mauro Caló
Cavallino
RC
SBIG ST10 / Lum / 90.0
-6.13 ± 3.17
WASP-148b (ALERT - TTVs)
2022-08-05
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / Clear / 80.0
-7.86 ± 2.45
WASP-148b (ALERT - TTVs)
2022-08-05
Alvaro Fornas
Centro Astronómico Alto Turia (CAAT). MPC J57
Planewave CDK 17"
Sbig STXL 11002 / V / 120.0
-9.15 ± 1.87
WASP-148b (ALERT - TTVs)
2022-06-22
Adam Popowicz
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 65.0
-5.47 ± 4.32
WASP-148b (ALERT - TTVs)
2022-06-22
Alvaro Fornas
Centro Astronómico Alto Turia (CAAT). MPC J57
Planewave CDK 17"
Sbig STXL 11002 / V / 120.0
-12.81 ± 3.17
WASP-148b (ALERT - TTVs)
2022-05-09
Adam Popowicz
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 180.0
9.02 ± 5.76
WASP-148b (ALERT - TTVs)
2022-05-09
Stéphane Montchaud
Burgundy Observatory
Celestron 8
Zwo Asi 1600 / Lum / 120.0
-2.5 ± 5.76
WASP-148b (ALERT - TTVs)
2022-05-09
elisabeth Maris
Atlas
Celestron
atik 4000 / Clear / 120.0
-5.38 ± 4.32
WASP-148b (ALERT - TTVs)
2022-05-09
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0
-6.1 ± 1.73
WASP-148b (ALERT - TTVs)
2022-05-09
Lorenzo Betti
Osservatorio Polifunzionale del Chianti
RC-80cm
Moravian G4 - KAF 09000 / V / 120.0
-6.96 ± 2.02
WASP-148b (ALERT - TTVs)
2022-03-18
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 200.0
17.48 ± 4.32
WASP-148b (ALERT - TTVs)
2022-03-18
Simon Dawes
William James II Observatory
Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / Lum / 120.0
14.16 ± 3.46
WASP-148b (ALERT - TTVs)
2022-03-18
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 100.0
12.44 ± 2.59

Space Observations

Planet
Observation Date
Mission O-C
minutes
WASP-148b (ALERT - TTVs)
2022-06-05
TESS-3.85 ± 1.44
WASP-148b (ALERT - TTVs)
2022-05-27
TESS-7.43 ± 1.87
WASP-148b (ALERT - TTVs)
2022-05-01
TESS1.41 ± 1.87

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2017-07-22 Hébrard et al. 2020 -3.67 ± 0.43
2017-04-17 Hébrard et al. 2020 7.61 ± 1.87
2016-06-13 Hébrard et al. 2020 -5.03 ± 1.73
2015-06-18 Hébrard et al. 2020 7.17 ± 1.18
2014-08-13 Hébrard et al. 2020 37.46 ± 2.02
2011-05-31 Hébrard et al. 2020 10.39 ± 8.78
2010-06-04 Hébrard et al. 2020 -42.91 ± 24.48
2008-06-20 Hébrard et al. 2020 10.05 ± 37.44
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