exoclock

Qatar-9b

Discovered by: Alsubai et al. 2019

The Star
Simbad
GAIA
2MASS
Qatar 9
DR2 1048109222955337600
J10425960+6057510
RA 10:42:59.5933 DEC +60:57:51.159
Parallax
4.649 mas
P.M. RA
-23.741 mas/y
P.M. DEC
-21.274 mas/y
MagV
14.023
MagR
13.84
MagI
13.496
MagJ
11.835
MagH
11.235
MagK
11.104
MagG
13.687
MagGBP
14.439
MagGRP
12.859
* calculated from GAIA magnitudes

Ephemeris - Not verified False
Alsubai et al. 2019
Mid-time
2458227.75643 ± 0.00027 BJDTDB
Period
1.540731 ± 3.8e-05 days

Transit Parameters
Alsubai et al. 2019
Rp/Rs
0.1489 ± 0.0009
a/Rs
7.236 +0.069 -0.069
i
89.23 +0.64 -0.64 deg
e
-
ω
- deg
DepthR*
31.38 mmag
Duration*
1.87 hours
* calculated from the other parameters, using PyLightcurve

Limb Darkening Parameters
Alsubai et al. 2019
Teff
4309.0 +31.0 -31.0 K
Log(g)
4.61 +0.01 -0.01 cm/s2
Fe/H
0.252 +0.076 -0.076 dex
ExoClock Status
Observing Priority
Total Observations (Recent)
O-C minutes
Total Literature Mid-times
ALERT
5 (3)
52.6±0.3
0

Qatar-9b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2021-11-28
TURMX Observatory
Planewave CDK17
QHY600M / r' / 120.0
53.9 ± 0.4
2021-11-28
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 120.0
53.6 ± 1.0
2021-11-25
Observatory Pyskowice
RC12" GSO
ASI ZWO 1600 MM / ATIK 11000M / R / 480.0
55.1 ± 4.3
2021-04-07
Gruppo Astrofili Salese "GALILEO GALILEI"
NEWTON 410/1710
AUDINE KAF 1600 ME KODAK / R / 90.0
45.0 ± 2.2
2021-03-18
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 120.0
44.9 ± 1.0
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