exoclock

HAT-P-8b

Discovered by: Latham et al. 2009

The Star
Simbad
GAIA
2MASS
BD+34 4779
DR2 1891507552824189568
J22520985+3526495
RA 22:52:09.8635 DEC +35:26:49.606
Parallax
4.698 mas
P.M. RA
74.747 mas/y
P.M. DEC
15.048 mas/y
MagV
10.36
MagR
10.15
MagI*
9.749
MagJ
9.214
MagH
9.004
MagK
8.953
MagG
10.149
MagGBP
10.439
MagGRP
9.731
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Mancini et al. 2013
Mid-time
2454437.6742 ± 0.0014 BJDTDB
Period
3.0763458 ± 2.4e-06 days

Transit Parameters
Mancini et al. 2013
Rp/Rs
0.0921 ± 0.0005
a/Rs
6.29 +0.06 -0.06
i
87.1 +0.4 -0.4 deg
e
-
ω
- deg
DepthR*
10.94 mmag
Duration*
3.93 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Latham et al. 2009
Teff
6200.0 +80.0 -80.0 K
Log(g)
4.15 +0.05 -0.05 cm/s2
Fe/H
0.01 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
5 (1)
-2.6±0.7
0
HAT-P-8b


ExoClock Observations
Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-09-06 Paolo Arcangelo Matassa
P.M.P.H.R. Deep Sky (K81)
Ritchey Chretien
ICX453AQ / Clear / 90.0
-3.8 ± 2.2
2020-09-08 Mauro Calo’
Cavallino
RC
SBIG ST10 / Lum / 40.0
-3.6 ± 2.0
2020-08-02 Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / Lum / 30.0
-2.6 ± 0.9
2020-07-30 Claudio Lopresti
Claudio Lopresti
Mak-Newton
CCD Sbig ST10xme / I / 120.0
-6.1 ± 3.0
2019-08-02 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / Rc / 60.0
1.8 ± 2.2 - Data available
© 2019-2021 ExoClock Project - Privacy policy