exoclock

HAT-P-57b (LOW)

Discovered by: Hartman et al. 2015

The Star
Simbad
GAIA
2MASS
BD+10 3472
DR2 4483640815570090368
J18185842+1035502
RA 18:18:58.4251 DEC +10:35:50.127
Parallax
3.545 mas
P.M. RA
-4.599 mas/y
P.M. DEC
-14.146 mas/y
MagV
10.64
MagR*
10.248
MagI
10.007
MagJ
9.67
MagH
9.497
MagK
9.433
MagG
10.425
MagGBP
10.663
MagGRP
10.07
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457598.49926 ± 0.00037 BJDTDB
Period
2.46529488 ± 4.6e-07 days

Transit Parameters
Hartman et al. 2015
Rp/Rs
0.0968 ± 0.0015
a/Rs
5.83 +0.07 -0.12
i
88.3 +0.8 -0.8 deg
e
-
ω
- deg
DepthR*
11.93 mmag
Duration*
3.52 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Hartman et al. 2015
Teff
7500.0 +250.0 -250.0 K
Log(g)
4.25 +0.02 -0.02 cm/s2
Fe/H
-0.25 +0.25 -0.25 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 27 (6)
O-C -1.59 ± 0.42 minutes
ExoClock Observations (Recent) 24 (6)
Space Observations (Recent) 0 (0)
ETD Observations (Recent) 2 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs -

HAT-P-57b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
HAT-P-57b (LOW)
2024-05-08
Deborah Smith
Complejo Astronomico Los Coloraos, Gorafe
Celestron C11 EdgeHD
ASI2600MM / R / 90.0
-1.21 ± 1.4
HAT-P-57b (LOW)
2023-07-17
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 90.0
-0.28 ± 1.04
HAT-P-57b (LOW)
2023-06-24
jean paul vergne
CH9-gapra
Ritchey Chretien
zwo 294mm pro / Clear / 60.0
-0.03 ± 1.73
HAT-P-57b (LOW)
2023-06-24
Dominique DANIEL
La Montjoie
T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 60.0
-2.03 ± 1.37
HAT-P-57b (LOW)
2023-06-24
Eric Miny
BLOIS SOLOGNE ASTRONOMIE OBSERVATORY
Newton T305
QSI 683WS / Lum / 30.0
-2.29 ± 1.24
HAT-P-57b (LOW)
2023-06-24
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave 2
ZWO ASI6200 / R / 60.0
-2.67 ± 0.82
HAT-P-57b (LOW)
2022-08-03
Chiahui Wang
NTNU ES Observatory
RCOS 16" w/CCDT67 f/5.4
Atik One 6 / R / 14.0
-2.88 ± 2.16
HAT-P-57b (LOW)
2022-06-15
Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / R / 120.0
0.29 ± 1.87
HAT-P-57b (LOW)
2022-06-15
Jean-Pascal Vignes
Deep Sky Chile
Planewave CDK400
QHYCCD 600M / Lum / 60.0
-0.14 ± 1.73
HAT-P-57b (LOW)
2022-05-29
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 60.0
1.53 ± 3.17
HAT-P-57b (LOW)
2022-05-29
Leon Bewersdorff
Observatory Kipshoven (BLEW)
GSO Ritchey-Chrétien
QHY268M-PH / V / 60.0
-4.37 ± 2.02
HAT-P-57b (LOW)
2021-07-14
Maurice Audejean
Chinon observatory - UAI/MPC B92
Newtonian
Audine KAF1600 / R / 90.0
1.3 ± 1.44
HAT-P-57b (LOW)
2021-06-03
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 4.0
1.25 ± 0.56
HAT-P-57b (LOW)
2021-06-03
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 4.0
-0.47 ± 0.85
HAT-P-57b (LOW)
2021-06-03
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 4.0
-0.7 ± 0.65
HAT-P-57b (LOW)
2021-06-03
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 4.0
-1.46 ± 0.56
HAT-P-57b (LOW)
2020-07-29
Stephen M. Brincat
Flarestar Observatory - MPC Code:171
Meade SCT
Moravian G2-1600 / V / 120.0
3.13 ± 2.3
HAT-P-57b (LOW)
2020-07-29
Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / R / 30.0
2.17 ± 0.94
HAT-P-57b (LOW)
2020-07-24
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 12.0
-1.36 ± 0.39
HAT-P-57b (LOW)
2020-07-24
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 10.0
-1.5 ± 0.39
HAT-P-57b (LOW)
2020-07-24
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 7.0
-2.04 ± 0.35
HAT-P-57b (LOW)
2020-07-24
MUSCAT Team
Teide Observatory
Telescope Carlos Sanchez
MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 15.0
-2.77 ± 0.42
HAT-P-57b (LOW)
2020-05-12
Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
-0.13 ± 0.86
HAT-P-57b (LOW)
2019-06-29
Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / V / 60.0
-2.52 ± 1.01

ETD Observations

Planet
Observation Date
Observer(s) ETD link O-C
minutes
HAT-P-57b (LOW)
2019-08-04
Pau Bosch15651326800.76 ± 1.3
HAT-P-57b (LOW)
2019-05-23
Fran Campos15588625631.55 ± 1.44

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2009-10-08 Hartman et al. 2015 0.03 ± 0.69
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