exoclock

CoRoT-2b

Discovered by: Alonso et al. 2008

The Star
Simbad
GAIA
2MASS
CoRoT-2
DR2 4287820848378092672
J19270649+0123013
RA 19:27:06.4944 DEC +01:23:01.357
Parallax
4.661 mas
P.M. RA
-3.409 mas/y
P.M. DEC
-10.936 mas/y
MagV
12.568
MagR
12.204
MagI
11.49
MagJ
10.783
MagH
10.438
MagK
10.31
MagG
12.249
MagGBP
12.739
MagGRP
11.616
*Calculated from GAIA magnitudes.

Ephemeris - Verified True
Kokori et al. 2021
Mid-time
2457347.04314 ± 0.00012 BJDTDB
Period
1.742997 ± 1.1e-07 days

Transit Parameters
Alonso et al. 2008
Rp/Rs
0.1667 ± 0.0006
a/Rs
6.7 +0.03 -0.03
i
87.84 +0.1 -0.1 deg
e
-
ω
- deg
DepthR*
36.99 mmag
Duration*
2.28 hours
*Calculated from the other parameters, using PyLightcurve.
**Adjusted to produce a duration that matches the observations.

Limb Darkening Parameters
Chavero et al. 2010
Teff
5696.0 +70.0 -70.0 K
Log(g)
4.42 +0.12 -0.12 cm/s2
Fe/H
0.03 +0.06 -0.06 dex
ExoClock Status
Observing Priority
ExoClock Observations (Recent)
Space Observations
Literature Mid-times
ETD Observations
O-C minutes
LOW
38 (5)

7

0.28±0.1

CoRoT-2b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2022-07-24 Jean-Claude MARIO
Observatoire de la Cabergue
T 520 Cassegrain "Arp 83"
STL 11000 - KAI 11000 / Clear / 180.0
-1.5 ± 1.0
2022-07-18 Martin Mifsud
Manikata Observatory
Meade OTA
SBig ST10XME / Lum / 120.0
-1.5 ± 1.2
2022-07-11 Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / Clear / 60.0
-0.5 ± 1.0
2022-06-18 Sauro Gaudenzi
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF-1402ME / Clear / 60.0
-1.4 ± 4.3
2021-10-12 Mike Miller
Georgetown Observatory
Meade 10 inch ACF f8 f5.6
QSI 660 / V / 120.0
5.4 ± 1.2
2021-08-05 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Lum / 120.0
1.5 ± 0.4
2021-07-16 Martin Crow
Burnham Observatory
Celestron C9.25
SX694 mono / R / 120.0
0.6 ± 0.7
2021-07-16 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
0.3 ± 0.6
2021-07-03 Kevin Hills
Tacande
ASA 0.5m f/3 astrograph.
QHY 600M with IMX 455 chip / R / 90.0
-0.6 ± 0.4
2021-06-26 Enrique Arce
Vallbona Observatory
Newton 10" f4
Sbig ST7-XME / V / 120.0
1.4 ± 1.0
2021-06-10 Andre Kovacs
MicroObservatory Cecillia
152mm Maksutov
Kodak KAF-1402ME / Clear / 60.0
-2.9 ± 2.4
2020-08-19 Iakovos Strikis
Elizabeth Observatory of Athens
Sky Watcher Quattro
SBIG STF-8300mm / Lum / 80.0
-3.8 ± 2.0 - Data available
2020-08-18 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
0.2 ± 0.4 - Data available
2020-08-05 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
0.2 ± 1.0 - Data available
2020-07-08 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0
0.4 ± 1.3 - Data available
2020-07-08 Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 60.0
0.1 ± 1.2 - Data available
2020-07-08 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
-0.6 ± 0.4 - Data available
2020-07-08 Mauro Caló
Cavallino
RC
SBIG ST10 / Lum / 90.0
-1.0 ± 0.7 - Data available
2020-07-08 Alberto Tomatis
Alto-Observatory
RC
STL 6303 / Lum / 120.0
-1.5 ± 0.6 - Data available
2020-07-02 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
0.1 ± 0.4 - Data available
2020-06-25 Adrian Jones
Private Observatory (I64)
Meade ACF 30cm
QSI 583 / R / 90.0
-0.4 ± 0.6 - Data available
2020-06-25 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
-1.7 ± 0.7 - Data available
2020-06-23 Martin Fowler
MicroObservatory Cecilia
MicroObservatory robotic telescope
KAF 1402ME / Clear / 60.0
0.2 ± 1.9 - Data available
2020-06-09 Roger Dymock
MicroObservatory located at Whipple Observatory
Maksutov reflector
KAF 1402ME / Clear / 60.0
2.5 ± 5.8 - Data available
2020-04-09 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
0.2 ± 0.6 - Data available
2019-09-28 Lionel Rousselot
lroussel
Newton
ZWO 1600 monochrome / Clear / 180.0
0.1 ± 0.7 - Data available
2019-07-08 Nick Sioulas
NOAK Observatory
SKYWATCHER
ATIK 460exm / R / 120.0
-0.8 ± 1.0 - Data available
2019-07-08 Giuseppe Marino
Gruppo Astrofili Catanesi
Newtonian
SBIG ST-7 XME / Clear / 300.0
-2.2 ± 0.6
2019-07-01 Yves Jongen
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Clear / 120.0
2.5 ± 0.6 - Data available
2019-07-01 Fabio Salvaggio
WBRO - K49
C9.25"
SBIG ST8-XME / V / 300.0
0.8 ± 0.7
2018-10-04 Lionel Rousselot
lroussel
Newton
ZWO 1600 monochrome / Clear / 120.0
0.4 ± 0.9 - Data available
2018-09-27 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 180.0
-0.6 ± 1.0 - Data available
2017-08-29 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Lum / 120.0
0.5 ± 0.6 - Data available
2016-08-28 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / Rc / 60.0
-0.7 ± 1.3 - Data available
2016-08-21 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
3.4 ± 0.9 - Data available
2016-08-14 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Lum / 60.0
2.4 ± 0.3 - Data available
2016-08-07 Anaël Wünsche
Observatoire des Baronnies Provençales
CDK Planewave
SBIG STL11K / Clear / 120.0
2.6 ± 0.7 - Data available
2015-08-28 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Clear / 120.0
-1.6 ± 0.4 - Data available


Literature Mid-times

Observation
Date
Mid-time Time format Reference O-C
minutes
2017-10-03 2458030.3008 ± 0.0007 BJD_TDB Öztürk et al. 2019 4.1 ± 1.0
2017-09-12 2458009.3792 ± 0.0005 BJD_TDB Öztürk et al. 2019 -4.0 ± 0.7
2017-07-20 2457955.3477 ± 0.0004 BJD_TDB Öztürk et al. 2019 -2.0 ± 0.6
2017-07-06 2457941.4051 ± 0.0008 BJD_TDB Öztürk et al. 2019 -0.0 ± 1.2
2017-06-22 2457927.4596 ± 0.0004 BJD_TDB Öztürk et al. 2019 -2.2 ± 0.6
2016-09-11 2457643.3528 ± 0.0003 BJD_TDB Öztürk et al. 2019 0.2 ± 0.4
2007-05-17 2454237.53562 ± 0.00014 BJD_UTC Alonso et al. 2008 -0.2 ± 0.2
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