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Qatar-2b

Discovered by: Bryan et al. 2012
The Star
Simbad
GAIA
2MASS
Qatar 2
DR2 3620030644476623616
J13503740-0648145
RA 13:50:37.4100 DEC -06:48:14.419
Parallax
5.485 mas
P.M. RA
-88.184 mas/y
P.M. DEC
-15.29 mas/y
MagV
13.3
MagR
13.45
MagI*
12.034
MagJ
11.35
MagH
10.794
MagK
10.619
MagG
13.028
MagGBP
13.695
MagGRP
12.261
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Močnik et al. 2017
Mid-time
2457250.201605 ± 8e-06 BJDTDB
Period
1.33711677 ± 1e-07 days

Transit Parameters
Močnik et al. 2017
Rp/Rs
0.16327 ± 0.00019
a/Rs
6.524 +0.023 -0.023
i
88.99 +0.2 -0.2 deg
e
-
ω
- deg
DepthR*
37.71 mmag
Duration*
1.82 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Bryan et al. 2012
Teff
4645.0 +50.0 -50.0 K
Log(g)
4.6 +0.02 -0.02 cm/s2
Fe/H
0.02 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
LOW
11 (4)
-1.37±0.16
0
Qatar-2b


ExoClock Observations
Obs. Date O-C (min) Observer
Observatory
Telescope
Camera / Filter / Exp [s]
2020-07-14 -2.2 ± 0.7 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2020-06-07 -1.5 ± 0.4 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2020-05-22 -1.5 ± 1.0 Francois Regembal
HRTobs
Astrosib RC360
SBIG STX 16803 / Lum / 60.0
2020-05-12 -0.3 ± 0.6 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2020-04-27 -2.4 ± 0.4 Wonseok Kang
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope (1)
PL-16803 (FLI) / R / 120.0
2020-04-27 -4.1 ± 0.4 Taewoo Kim
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0
2020-04-24 -2.6 ± 1.4 Nikolaos Paschalis
Nunki Observatory
Officina Stellare RILA 400
SBIG STXL 11002 / R / 60.0
2020-04-14 -0.2 ± 0.6 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2020-02-11 0.5 ± 0.4 Yves Jongen
Deep Sky Chile
Plane Wave CDK 17"
Moravian 4G / Clear / 120.0
2019-05-15 0.0 ± 0.7 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / V / 120.0
2015-03-26 0.8 ± 0.6 Anaël Wünsche
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / R / 30.0
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