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XO-2Nb

Discovered by: Burke et al. 2007
The Star
Simbad
GAIA
2MASS
XO-2
DR2 934346809278715776
J07480647+5013328
RA 07:48:06.4726 DEC +50:13:32.921
Parallax
6.454 mas
P.M. RA
-29.731 mas/y
P.M. DEC
-154.272 mas/y
MagV
11.138
MagR
10.669
MagI
10.243
MagJ
9.744
MagH
9.34
MagK
9.308
MagG
10.972
MagGBP
11.416
MagGRP
10.403
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Damasso et al. 2015
Mid-time
2455565.54648 ± 5e-05 BJDTDB
Period
2.6158592 ± 3e-07 days

Transit Parameters
Damasso et al. 2015
Rp/Rs
0.1049 ± 0.0006
a/Rs
7.93 +0.1 -0.09
i
88.0 +0.4 -0.3 deg
e
-
ω
- deg
DepthR*
14.65 mmag
Duration*
2.71 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Torres et al. 2008
Teff
5340.0 +80.0 -80.0 K
Log(g)
4.48 +0.05 -0.05 cm/s2
Fe/H
0.45 +0.05 -0.05 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
MEDIUM
17 (1)
-0.07±0.22
0
XO-2Nb


ExoClock Observations
Obs. Date O-C (min) Observer
Observatory
Telescope
Camera / Filter / Exp [s]
2020-10-31 -2.2 ± 1.4 Dim Stouraitis
Galilaios
SCT
SXVF-H9 Starlight-Xpress / R / 20.0
2020-04-10 0.7 ± 1.2 Pere Guerra
Observatori Astronòmic Albanyà
16" Meade ACF F8
Moravian G4-9000 / I / 120.0
2020-04-10 -0.1 ± 0.9 John Savage
Z42 Rushay Farm Observatory
Celeston 14Edge with focal reducer
ATIK One 9.0 / V / 60.0
2020-04-10 -0.7 ± 0.7 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / R / 120.0
2020-04-10 -1.4 ± 1.0 Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 90.0
2020-03-28 1.3 ± 0.6 Manfred Raetz
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
2020-02-15 1.1 ± 1.6 Mauro Calo’
Cavallino
GSO RC
SBIG ST10 / R / 90.0
2020-01-23 -0.0 ± 1.0 Billy Edwards
Haleakala Observatory
LCO Meade
SBIG STX6303 / r' / 20.0
2020-01-20 -0.1 ± 1.2 Martin Crow
Burnham Observatory
Celestron
SX694 mono / R / 90.0
2020-01-12 1.6 ± 1.3 Mauro Calo
Cavallino
GSO RC
SBIG ST10 / R / 90.0
2019-01-11 -3.9 ± 2.2 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
2018-04-06 -0.5 ± 0.6 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Lum / 60.0
2017-03-07 -1.7 ± 1.0 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 60.0
2017-02-22 5.3 ± 1.3 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / Rc / 60.0
2016-04-14 -0.7 ± 0.9 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 60.0
2016-03-11 -1.5 ± 0.7 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / R / 60.0
2011-02-06 0.9 ± 0.7 Filip Walter
Stefanik Observatory
Meade SCT
SBIG ST-10XME / R / 90.0
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