exoclock

HAT-P-55b

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. 2021
Mid-time
2457720.3595 ± 0.0003 BJDTDB
Period
3.5852329 ± 1.2e-06 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 to produce a duration that matches the 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
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
LOW
23 (5)

1

-0.5±0.3

HAT-P-55b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2022-07-24 Paolo Arcangelo Matassa
P:M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F5.3
CCD ICX453AQ / Lum / 90.0
-3.8 ± 4.3
2022-07-07 Sebastien Brouillard
AstroQueyras
RC500
STX16803 / R / 240.0
-2.4 ± 1.4
2022-05-25 Kevin Johnson
Holbrook Observatory
Meade LX10 EMC
Atik 383L+ / Lum / 150.0
-1.9 ± 2.6
2022-03-07 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 180.0
1.5 ± 1.3
2021-08-21 Ivo Peretto
MarSEC Marana Space Explorer Center
R-C
Moravia G2-1600 MkII / Clear / 60.0
-1.8 ± 1.9
2021-06-29 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
-2.1 ± 1.0
2021-06-21 Gonzalo Fornas
CAAT
TAKA FSQ 106
ASI 1600 / Clear / 120.0
0.3 ± 3.3
2021-06-21 Adam Popowicz
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 93.0
0.0 ± 1.6
2021-06-04 Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 60.0
-0.6 ± 2.3
2021-05-27 Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)
Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 40.0
-0.7 ± 2.9
2021-05-27 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 90.0
-2.7 ± 1.7
2021-05-09 Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)
Officina Stellare RiLa 400
FLI ProLine 16803 / Lum / 30.0
0.7 ± 2.2
2021-05-09 Slawomir Lasota
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 240.0
-2.9 ± 3.3
2021-05-09 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 60.0
-4.0 ± 1.2
2021-04-22 John Savage
Z42 Rushay Farm Observatory
Celestron 14Edge FR
ZWO ASI6200MM / Lum / 60.0
1.5 ± 1.3
2021-04-22 Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / Lum / 200.0
0.2 ± 1.6
2021-03-31 Billy Edwards
Haleakala Observatory
LCO Meade
SBIG STX6303 / r' / 69.945
-0.1 ± 2.4
2020-08-06 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
2.3 ± 1.3 - Data available
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
-0.5 ± 2.0 - Data available
2020-06-06 Matthias Mallonn
STELLA
Cassegrain
optical CCD photometer / r' / 60.0
1.4 ± 0.7 - Data available
2020-06-06 Alberto Tomatis
Alto-Observatory
RC
STL 6303 / Lum / 90.0
-4.9 ± 2.0 - Data available
2020-05-20 Adrian Jones
Oldfield Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 120.0
-3.8 ± 1.7 - Data available
2020-05-16 Billy Edwards
Haleakala Observatory
LCO Meade
SBIG STX6303 / r' / 61.942
3.3 ± 3.0


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2014-03-14 2456730.83468 ± 0.00027 BJD_UTC Juncher et al. 2015 0.3 ± 0.4


Linked ETD Observations

Observation
Date
Observer(s) ETD link O-C
minutes
2019-09-04 ESSEIVA nicolas -2.2 ± 1.7 - Data available through ETD
2019-07-05 Fran Campos -1.2 ± 1.2 - Data available through ETD
2019-06-18 Pere Guerra 1.2 ± 1.3 - Data available through ETD
2019-05-05 Pere Guerra 3.6 ± 1.4 - Data available through ETD
2018-04-20 F. Lomoz -3.3 ± 2.0 - Data available through ETD
2017-05-18 František Lomoz -3.5 ± 1.6 - Data available through ETD
2017-05-18 František Lomoz -6.7 ± 2.2 - Data available through ETD
2017-04-13 David Molina -1.9 ± 2.8 - Data available through ETD
2016-09-27 CAA1 S39 Astro Queyras -1.0 ± 1.2 - Data available through ETD
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