exoclock
exoclock
HAT-P-57b
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 - Not verified False
Hartman et al. 2015
Mid-time
2455113.482 ± 0.0005 BJDTDB
Period
2.465295 ± 3e-06 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

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
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
4 (1)
-0.7±0.6
0
HAT-P-57b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-07-14 Maurice Audejean
Chinon observatory - UAI/MPC B92
Newtonian
Audine KAF1600 / R / 90.0
1.0 ± 1.4
2020-07-29 Stephen M. Brincat
Flarestar Observatory - MPC Code:171
Meade SCT
Moravian G2-1600 / V / 120.0
2.9 ± 2.3
2020-05-11 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
-0.4 ± 0.9
2019-06-28 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / V / 60.0
-2.7 ± 1.0 - Data available
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