exoclock
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Qatar-3b
Discovered by: Alsubai et al. 2017
The Star
Simbad
GAIA
2MASS		 Qatar 3
DR2 2878641361300809856
J23563647+3612466
RA 23:56:36.4831 DEC +36:12:46.773
Parallax
1.332 mas		 P.M. RA
-7.763 mas/y		 P.M. DEC
-8.484 mas/y
MagV
12.88		 MagR
12.89		 MagI*
12.112		 MagJ
11.601		 MagH
11.272		 MagK
11.219
MagG
12.82		 MagGBP
13.122		 MagGRP
12.233
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Mallonn et al. 2019
Mid-time
2457312.48458 ± 0.0001 BJDTDB
Period
2.507895 ± 3e-06 days
Transit Parameters
Alsubai et al. 2017
Rp/Rs
0.0888 ± 0.0018		 a/Rs
6.4 +0.6 -0.6
 i
86.8 +2.0 -2.0 deg
e
-		 ω
- deg
DepthR*
10.12 mmag		 Duration*
3.1 hours
* calculated from the other parameters, using PyLightcurve
Limb Darkening Parameters
Alsubai et al. 2017
Teff
6007.0 +52.0 -52.0 K
 Log(g)
4.29 +0.08 -0.08 cm/s2
 Fe/H
-0.04 +0.08 -0.08 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times		 HIGH
2 (0)
-0.4±1.7
0
Qatar-3b


ExoClock Observations
Observation
Date		 Observer
Observatory		 Telescope
Camera / Filter / Exp [s]		 O-C
minutes
2017-07-29 Mario Morales Aimar
Observatorio de Sencelles MPC K14		 10" Meade Schmidt Cassegrain
SBIG ST7-XME / V / 120.0		 -5.2 ± 2.4
2016-12-23 Anaël Wünsche
Observatoire des Baronnies Provençales		 CDK Planewave
SBIG STL11K / Clear / 120.0		 4.0 ± 2.3 - Data available
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