exoclock

HAT-P-55b (MEDIUM)

Discovered by: Juncher et al. 2015

The Star
Simbad
GAIA
2MASS		 HAT-P-55
DR2 4593808272896243328
J17370562+2543522
RA 17:37:05.6338 DEC +25:43:52.254
Parallax
1.927 mas		 P.M. RA
7.393 mas/y		 P.M. DEC
-8.116 mas/y
MagV
13.207		 MagR*
12.873		 MagI
12.67		 MagJ
12.02		 MagH
11.714		 MagK
11.627
MagG
13.096		 MagGBP
13.434		 MagGRP
12.599
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2458279.65563 ± 0.0002 BJDTDB
Period
3.58523207 ± 7.2e-07 days
Transit Parameters
Juncher et al. 2015
Rp/Rs
0.1202 ± 0.0019		 a/Rs
9.8 +0.3 -0.3
 i
87.7 +0.6 -0.6 deg
e
-		 ω
- deg
DepthR*
18.53 mmag		 Duration*
2.94 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Juncher et al. 2015
Teff
5808.0 +50.0 -50.0 K
 Log(g)
4.43 +0.03 -0.03 cm/s2
 Fe/H
-0.03 +0.08 -0.08 dex
ExoClock Status
Observing Priority MEDIUM
Minimum aperture 7.56"
Total Observations (Recent) 54 (3)
O-C -0.01 ± 0.66 minutes
ExoClock Observations (Recent) 27 (3)
Space Observations (Recent) 12 (0)
ETD Observations (Recent) 14 (0)
Literature Mid-times (Recent) 1 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.1266 ± 0.0012

HAT-P-55b


ExoClock Observations
Planet
Observation Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
HAT-P-55b (MEDIUM)
2023-07-14		Martin Mifsud
Manikata Observatory		Meade OTA
SBig ST10XME / Lum / 120.0		1.04 ± 2.88
HAT-P-55b (MEDIUM)
2023-06-26		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 202.0		4.3 ± 2.74
HAT-P-55b (MEDIUM)
2023-06-26		Dominique DANIEL
La Montjoie		T250 Skyvision
Camera CMOS ZWO ASI2600MC pro (color) / Clear / 60.0		1.13 ± 3.02
HAT-P-55b (MEDIUM)
2022-07-24		Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)		Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0		-3.02 ± 4.32
HAT-P-55b (MEDIUM)
2022-07-07		Sebastien Brouillard
AstroQueyras		RC500
STX16803 / R / 240.0		-1.64 ± 1.44
HAT-P-55b (MEDIUM)
2022-06-19		David Arnot
OSO PIRATE		PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph
FLI ProLine KAF-16803 / R / 60.0		-1.52 ± 1.21
HAT-P-55b (MEDIUM)
2022-05-24		Kevin Johnson
Holbrook Observatory		Meade LX10 EMC
Atik 383L+ / Lum / 150.0		-1.09 ± 2.59
HAT-P-55b (MEDIUM)
2022-03-07		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 180.0		2.23 ± 1.3
HAT-P-55b (MEDIUM)
2021-08-21		Ivo Peretto
MarSEC Marana Space Explorer Center		R-C
Moravia G2-1600 MkII / Clear / 60.0		-1.13 ± 1.87
HAT-P-55b (MEDIUM)
2021-06-29		Yves Jongen
Deep Sky Chile		Plane Wave CDK 17"
Moravian 4G / Lum / 120.0		-1.45 ± 1.01
HAT-P-55b (MEDIUM)
2021-06-21		Gonzalo Fornas
CAAT		TAKA FSQ 106
ASI 1600 / Clear / 120.0		0.95 ± 3.31
HAT-P-55b (MEDIUM)
2021-06-21		Adam Popowicz
Otivar dome2		Newton 12" ASA
ASI ZWO 1600MM / R / 93.0		0.66 ± 1.58
HAT-P-55b (MEDIUM)
2021-06-04		Francois Regembal
HRTobs		Astrosib RC360
SBIG STX 16803 / Lum / 60.0		0.03 ± 2.3
HAT-P-55b (MEDIUM)
2021-05-27		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 40.0		-0.02 ± 2.88
HAT-P-55b (MEDIUM)
2021-05-27		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 90.0		-2.04 ± 1.73
HAT-P-55b (MEDIUM)
2021-05-09		Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)		Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 30.0		1.36 ± 2.16
HAT-P-55b (MEDIUM)
2021-05-09		Slawomir Lasota
Observatory Pyskowice		RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 240.0		-2.24 ± 3.31
HAT-P-55b (MEDIUM)
2021-05-09		Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)		Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 60.0		-3.39 ± 1.15
HAT-P-55b (MEDIUM)
2021-04-22		John Savage
Z42 Rushay Farm Observatory		Celestron 14Edge FR
ZWO ASI6200MM / Lum / 60.0		2.17 ± 1.3
HAT-P-55b (MEDIUM)
2021-04-22		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / Lum / 200.0		0.87 ± 1.58
HAT-P-55b (MEDIUM)
2021-03-31		Billy Edwards
Haleakala Observatory		LCO Meade
SBIG STX6303 / rpr / 69.945		0.57 ± 2.45
HAT-P-55b (MEDIUM)
2020-08-06		Yves Jongen
Rasteau Observatory		Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0		2.9 ± 1.3
HAT-P-55b (MEDIUM)
2020-07-02		Jean-Pascal Vignes
oria Spain		officina stellare 700
FLI camera 4096 by 4096 pixels 9.0µ by 9.0µ pixel size / R / 90.0		0.05 ± 2.02
HAT-P-55b (MEDIUM)
2020-06-06		Matthias Mallonn
STELLA		Cassegrain
optical CCD photometer / rpr / 60.0		1.96 ± 0.72
HAT-P-55b (MEDIUM)
2020-06-06		Alberto Tomatis
Alto-Observatory		RC
STL 6303 / Lum / 90.0		-4.38 ± 2.02
HAT-P-55b (MEDIUM)
2020-05-20		Adrian Jones
Private Observatory (I64)		Meade ACF 30cm
QSI 583 / R / 120.0		-3.28 ± 1.73
HAT-P-55b (MEDIUM)
2020-05-16		Billy Edwards
Haleakala Observatory		LCO Meade
SBIG STX6303 / rpr / 61.942		3.82 ± 3.02

Space Observations
Planet
Observation Date		 Mission O-C
minutes
HAT-P-55b (MEDIUM)
2020-07-02		TESS-0.96 ± 1.73
HAT-P-55b (MEDIUM)
2020-06-28		TESS-0.48 ± 2.16
HAT-P-55b (MEDIUM)
2020-06-24		TESS2.3 ± 1.87
HAT-P-55b (MEDIUM)
2020-06-21		TESS-4.71 ± 2.16
HAT-P-55b (MEDIUM)
2020-06-17		TESS4.56 ± 2.3
HAT-P-55b (MEDIUM)
2020-06-14		TESS-0.15 ± 1.87
HAT-P-55b (MEDIUM)
2020-06-10		TESS-0.39 ± 1.87
HAT-P-55b (MEDIUM)
2020-06-06		TESS-1.5 ± 1.73
HAT-P-55b (MEDIUM)
2020-06-03		TESS-2.89 ± 1.87
HAT-P-55b (MEDIUM)
2020-05-30		TESS-0.97 ± 1.87
HAT-P-55b (MEDIUM)
2020-05-23		TESS2.57 ± 1.87
HAT-P-55b (MEDIUM)
2020-05-20		TESS1.18 ± 1.58

ETD Observations
Planet
Observation Date		 Observer(s) ETD link O-C
minutes
HAT-P-55b (MEDIUM)
2023-06-26		RENE ROY16878696051.05 ± 0.92
HAT-P-55b (MEDIUM)
2020-03-20		Jean Plazas1584720866-3.79 ± 4.32
HAT-P-55b (MEDIUM)
2019-09-04		ESSEIVA nicolas1567711529-1.73 ± 1.74
HAT-P-55b (MEDIUM)
2019-07-05		F. Lomoz15623983651.84 ± 2.16
HAT-P-55b (MEDIUM)
2019-07-05		Fran Campos1565298966-0.77 ± 1.21
HAT-P-55b (MEDIUM)
2019-06-18		Pere Guerra15608972551.64 ± 1.3
HAT-P-55b (MEDIUM)
2019-05-05		Pere Guerra15577682214.04 ± 1.37
HAT-P-55b (MEDIUM)
2019-05-05		Yves Jongen15571326773.34 ± 1.58
HAT-P-55b (MEDIUM)
2018-04-20		F. Lomoz15243400280.75 ± 2.59
HAT-P-55b (MEDIUM)
2018-04-20		Matthieu BACHSCHMIDT1524406248-1.53 ± 2.23
HAT-P-55b (MEDIUM)
2018-04-20		F. Lomoz1524338297-3.01 ± 1.97
HAT-P-55b (MEDIUM)
2017-05-18		František Lomoz1495171627-3.32 ± 1.64
HAT-P-55b (MEDIUM)
2017-05-18		František Lomoz1495172032-6.51 ± 2.19
HAT-P-55b (MEDIUM)
2017-04-13		David Molina1492074469-1.72 ± 2.79
HAT-P-55b (MEDIUM)
2016-09-27		CAA1 S39 Astro Queyras1476129576-0.93 ± 1.15

Literature Mid-times
Planet
Observation Date		 Reference O-C
minutes
2014-03-14 Juncher et al. 2015 0.12 ± 0.39
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