exoclock

HAT-P-25b (LOW)

Discovered by: Quinn et al. 2012

The Star
Simbad
GAIA
2MASS
HAT-P-25
DR2 111322601672419712
J03134450+2511506
RA 03:13:44.4981 DEC +25:11:50.687
Parallax
3.301 mas
P.M. RA
13.49 mas/y
P.M. DEC
-13.586 mas/y
MagV
13.15
MagR
13.22
MagI
11.98
MagJ
11.319
MagH
10.908
MagK
10.815
MagG
12.842
MagGBP
13.38
MagGRP
12.172
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457759.39314 ± 0.00015 BJDTDB
Period
3.65281524 ± 3.7e-07 days

Transit Parameters
Wang et al. 2018
Rp/Rs
0.1269 ± 0.0011
a/Rs
10.9 +0.3 -0.3
i
88.2 +0.5 -0.4 deg
e
0.023 +0.022 -0.014
ω
287.0 +52.0 -17.0 deg
DepthR*
21.08 mmag
Duration*
2.81 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Quinn et al. 2012
Teff
5500.0 +80.0 -80.0 K
Log(g)
4.48 +0.04 -0.04 cm/s2
Fe/H
0.31 +0.08 -0.08 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 8.53"
Total Observations (Recent) 49 (5)
O-C -1.18 ± 0.76 minutes
ExoClock Observations (Recent) 18 (5)
Space Observations (Recent) 17 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 14 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.12689 ± 0.00064

HAT-P-25b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HAT-P-25b (LOW)
2024-01-10
Lee YuHsien
KMSH Observatory
C14HD
QSI-660 / Clear / 30.0
-4.09 ± 1.37
HAT-P-25b (LOW)
2023-12-15
Marc Serrau
A77 - Dauban
Meade SC 12"
QHY260MM / rpr / 300.0
0.55 ± 1.73
HAT-P-25b (LOW)
2023-11-05
Vikrant Kumar Agnihotri
Cepheid Observatory India
C11/f5.5 Schmidt-Cassegrain
Atik383L+ mono / Clear / 120.0
-2.81 ± 1.87
HAT-P-25b (LOW)
2023-08-21
Bernhard Wenzel
Volkssternwarte Kirchheim
CAS A=60cm / F=1,8m
SBIG STL-6303-3 CCD 3072 x 2048 Pixels (9µm) / R / 60.0
4.28 ± 1.87
HAT-P-25b (LOW)
2023-08-21
Jean-Baptiste Marquette
MrKite47
Newton Sky-Watcher 200/1000
ZWO ASI183MM Pro / R / 600.0
2.41 ± 4.18
HAT-P-25b (LOW)
2023-01-24
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 200.0
-2.53 ± 2.02
HAT-P-25b (LOW)
2022-01-20
Marc Serrau
A77 Dauban
Celestron 11
ST8-XME / R / 60.0
-2.91 ± 2.59
HAT-P-25b (LOW)
2021-10-25
Steven Peterson
Vail View Observatory H18
GSO 10" RC f/8.0
SBIG STL6303E / I / 240.0
0.5 ± 1.87
HAT-P-25b (LOW)
2021-10-17
Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 200.0
-3.06 ± 2.74
HAT-P-25b (LOW)
2021-10-03
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-0.52 ± 1.15
HAT-P-25b (LOW)
2021-09-15
Adam Popowicz
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / Clear / 480.0
2.18 ± 4.32
HAT-P-25b (LOW)
2021-09-15
Dim Stouraitis
Galilaios
SCT
SXVF-H9 Starlight-Xpress / R / 120.0
-0.13 ± 2.74
HAT-P-25b (LOW)
2020-11-04
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 60.0
3.2 ± 2.16
HAT-P-25b (LOW)
2016-01-24
Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Lum / 60.0
0.3 ± 0.72
HAT-P-25b (LOW)
2015-12-12
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 240.0
-2.89 ± 1.87
HAT-P-25b (LOW)
2015-11-01
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 240.0
4.4 ± 1.87
HAT-P-25b (LOW)
2015-02-11
Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / V / 60.0
2.82 ± 0.72
HAT-P-25b (LOW)
2015-02-11
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 60.0
0.08 ± 0.86

Space Observations

Planet
Observation Date
Mission O-C
minutes
HAT-P-25b (LOW)
2021-11-05
TESS-3.24 ± 1.12
HAT-P-25b (LOW)
2021-11-01
TESS-2.44 ± 1.05
HAT-P-25b (LOW)
2021-10-28
TESS1.35 ± 1.08
HAT-P-25b (LOW)
2021-10-21
TESS0.39 ± 1.11
HAT-P-25b (LOW)
2021-10-17
TESS1.07 ± 1.27
HAT-P-25b (LOW)
2021-10-14
TESS-0.11 ± 1.07
HAT-P-25b (LOW)
2021-10-10
TESS-0.25 ± 1.31
HAT-P-25b (LOW)
2021-10-06
TESS0.2 ± 1.01
HAT-P-25b (LOW)
2021-10-03
TESS-1.06 ± 1.24
HAT-P-25b (LOW)
2021-09-26
TESS-1.24 ± 1.2
HAT-P-25b (LOW)
2021-09-22
TESS-0.79 ± 1.22
HAT-P-25b (LOW)
2021-09-18
TESS0.31 ± 1.22
HAT-P-25b (LOW)
2021-09-11
TESS1.55 ± 1.18
HAT-P-25b (LOW)
2021-09-07
TESS-0.76 ± 1.14
HAT-P-25b (LOW)
2021-09-04
TESS-0.75 ± 1.25
HAT-P-25b (LOW)
2021-08-27
TESS1.81 ± 1.14
HAT-P-25b (LOW)
2021-08-24
TESS0.58 ± 1.28

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2017-12-18 Mallonn et al. 2019 -1.81 ± 0.89
2017-12-07 Mallonn et al. 2019 1.31 ± 0.92
2016-11-04 Wang et al. 2018 0.5 ± 0.94
2016-01-28 Wang et al. 2018 1.41 ± 2.56
2016-01-17 Wang et al. 2018 -0.65 ± 1.8
2015-02-04 Wang et al. 2018 -2.89 ± 1.71
2013-11-30 Wang et al. 2018 1.24 ± 0.84
2013-11-19 Wang et al. 2018 0.56 ± 1.53
2013-11-04 Mallonn et al. 2019 0.36 ± 1.4
2013-10-17 Wang et al. 2018 1.58 ± 1.51
2013-09-25 Wang et al. 2018 -1.47 ± 0.95
2010-01-02 Wang et al. 2018 -0.24 ± 0.53
2009-12-11 Quinn et al. 2012 -1.49 ± 0.68
2009-11-01 Wang et al. 2018 -0.17 ± 1.14
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