exoclock

XO-3b (LOW)

Discovered by: Johns-Krull et al. 2008

The Star
Simbad
GAIA
2MASS
BD+57 793
DR2 470650560777348352
J04215269+5749018
RA 04:21:52.7044 DEC +57:49:01.892
Parallax
4.666 mas
P.M. RA
-2.516 mas/y
P.M. DEC
4.003 mas/y
MagV
9.85
MagR*
9.567
MagI*
9.354
MagJ
9.013
MagH
8.845
MagK
8.791
MagG
9.739
MagGBP
9.965
MagGRP
9.393
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2022
Mid-time
2457417.98678 ± 0.00013 BJDTDB
Period
3.19152449 ± 2e-07 days

Transit Parameters
Wong et al. 2014
Rp/Rs
0.0882 ± 0.0004
a/Rs
7.05 +0.08 -0.1
i
84.11 +0.16 -0.16 deg
e
0.2769 +0.0017 -0.0016
ω
347.2 +1.7 -1.6 deg
DepthR*
8.73 mmag
Duration*
2.94 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations.

Limb Darkening Parameters
Johns-Krull et al. 2008
Teff
6429.0 +50.0 -50.0 K
Log(g)
3.95 +0.06 -0.06 cm/s2
Fe/H
-0.18 +0.03 -0.03 dex
ExoClock Status
Observing Priority LOW
Minimum aperture 5.0"
Total Observations (Recent) 49 (7)
O-C -0.84 ± 0.59 minutes
ExoClock Observations (Recent) 27 (7)
Space Observations (Recent) 6 (0)
ETD Observations (Recent) 0 (0)
Literature Mid-times (Recent) 16 (0)
Kepler Rp/Rs -
TESS Rp/Rs 0.08889 ± 0.00034

XO-3b


ExoClock Observations

Planet
Observation Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
XO-3b (LOW)
2022-12-09
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 30.0
-0.63 ± 1.37
XO-3b (LOW)
2022-11-23
Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
MORAVIAN C2-7000A / R / 80.0
-2.71 ± 2.74
XO-3b (LOW)
2022-11-11
Mark van der Grijp
Trevinca Observatory
William Optics FLT132
ZWO ASI2600mm Pro / Lum / 75.0
-2.43 ± 1.87
XO-3b (LOW)
2022-01-27
Simon Dawes
William James II Observatory
Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 90.0
-0.84 ± 4.32
XO-3b (LOW)
2022-01-27
Mark Salisbury
POST
Orion Optics ODK
SBIG ST-10 XME / R / 80.0
-2.56 ± 1.15
XO-3b (LOW)
2022-01-27
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 60.0
-2.71 ± 2.02
XO-3b (LOW)
2022-01-11
Giorgio Baj
M57
Ritchey-Chretien
Sbig STT1603 ME / R / 180.0
3.37 ± 2.3
XO-3b (LOW)
2021-12-10
Fran Campos
Puig d'Agulles Observtory
SC12" on EQ8 German mount
SBIG ST-8XME / R / 45.0
2.29 ± 2.3
XO-3b (LOW)
2021-12-10
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 60.0
-2.32 ± 2.59
XO-3b (LOW)
2021-11-21
Harri Kiiskinen
Harri Kiiskinen
Takahashi FSQ-85ED
QHY163M / R / 30.0
-0.81 ± 4.32
XO-3b (LOW)
2021-11-21
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 10.0
-0.81 ± 4.32
XO-3b (LOW)
2021-03-01
Fabio Mortari
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 120.0
4.7 ± 2.16
XO-3b (LOW)
2020-11-23
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 30.0
-0.25 ± 2.45
XO-3b (LOW)
2020-11-07
Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / R / 60.0
2.37 ± 2.3
XO-3b (LOW)
2020-11-07
Mauro Caló
Cavallino
RC
SBIG ST10 / Lum / 60.0
-2.67 ± 2.3
XO-3b (LOW)
2020-11-03
Simon Dawes
William James II Observatory
Skywatcher MN190 2
ZWO ASI 1600MM-PRO USB 3.0 Mono Camera / R / 30.0
2.55 ± 3.02
XO-3b (LOW)
2020-11-03
Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 5.0
1.55 ± 3.17
XO-3b (LOW)
2020-11-03
Mark Phillips
Forthimage
OO Newtonian CMOS
QHY168C / Clear / 30.0
0.54 ± 4.32
XO-3b (LOW)
2020-11-03
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 30.0
-0.9 ± 4.32
XO-3b (LOW)
2020-10-22
Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 30.0
3.56 ± 2.74
XO-3b (LOW)
2020-10-22
Carmelo Falco
GALHassin Robotic Telescope 2 (GRT2)
Giacometti-Fogale RC16
Andor Apogee Aspen CG16M / B / 20.0
-0.47 ± 2.16
XO-3b (LOW)
2020-03-15
Alberto Tomatis
Alto-Observatory
RC
STL 6303 / R / 50.0
0.23 ± 3.46
XO-3b (LOW)
2020-02-28
Mauro Caló
Cavallino
RC
SBIG ST10 / R / 60.0
5.16 ± 1.73
XO-3b (LOW)
2020-02-28
Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)
Officina Stellare RiLa 400
FLI ProLine 16803 / R / 45.0
4.01 ± 2.3
XO-3b (LOW)
2020-02-28
Alberto Tomatis
Alto-Observatory
RC
STL 6303 / R / 50.0
3.14 ± 2.02
XO-3b (LOW)
2020-01-24
Alessandro Nastasi
Galhassin Robotic Telescope 1 (GRT1)
Officina Stellare RiLa 400
FLI ProLine 16803 / R / 40.0
-1.51 ± 1.15
XO-3b (LOW)
2020-01-08
Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / V / 60.0
-0.04 ± 1.73

Space Observations

Planet
Observation Date
Mission O-C
minutes
XO-3b (LOW)
2019-12-20
TESS0.48 ± 0.55
XO-3b (LOW)
2019-12-17
TESS-0.13 ± 0.59
XO-3b (LOW)
2019-12-14
TESS-0.73 ± 0.56
XO-3b (LOW)
2019-12-07
TESS-0.33 ± 0.52
XO-3b (LOW)
2019-12-04
TESS-0.56 ± 0.53
XO-3b (LOW)
2019-12-01
TESS-0.19 ± 0.52

Literature Mid-times

Planet
Observation Date
Reference O-C
minutes
2012-12-01 Turner et al. 2017 2.43 ± 2.16
2009-02-02 Winn et al. 2009 0.59 ± 0.58
2008-02-29 Hébrard et al. 2008 2.89 ± 3.74
2008-02-17 Winn et al. 2008 -1.58 ± 1.3
2008-02-10 Winn et al. 2008 -3.62 ± 1.7
2008-01-16 Winn et al. 2008 1.51 ± 1.01
2008-01-13 Winn et al. 2008 1.59 ± 1.71
2007-12-31 Winn et al. 2008 0.34 ± 0.55
2007-12-15 Winn et al. 2008 -1.17 ± 0.96
2007-11-07 Winn et al. 2008 -1.25 ± 2.32
2007-10-25 Winn et al. 2008 -0.71 ± 0.95
2007-10-22 Winn et al. 2008 -0.7 ± 2.4
2007-10-18 Winn et al. 2008 -1.1 ± 1.87
2007-10-09 Winn et al. 2008 -1.37 ± 1.61
2007-10-09 Winn et al. 2008 -1.7 ± 3.82
2007-09-17 Winn et al. 2008 4.55 ± 2.49
© 2019-2022 ExoClock Project - Privacy policy