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
LOW
30 (26)
54.07±0.16
0

Qatar-9b


ExoClock Observations

Observation
Date
Observer
Observatory
Telescope
Camera / Filter / Exp [s]
O-C
minutes
2022-01-17
Vallbona Observatory
Newton 10" f4
Sbig ST7-XME / Clear / 180.0
60.1 ± 4.3
2022-01-17
POST
Orion Optics ODK
SBIG ST-10 XME / R / 240.0
56.8 ± 0.7
2022-01-17
Holbrook Observatory
Meade LX10 EMC
Atik 383L+ / Lum / 120.0
56.2 ± 2.0
2022-01-17
CAAT
TAKA FSQ 106
ASI 1600 / Clear / 120.0
55.7 ± 4.3
2022-01-17
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 240.0
55.3 ± 1.3
2022-01-14
UAN c/o INAF-Osservatorio Astronomico di Capodimonte, Naples ITALY
MEADE
CCD Atik 383L / Clear / 90.0
66.5 ± 4.3
2022-01-14
Burgundy Observatory
Celestron 8
Zwo Asi 1600 / Lum / 120.0
59.3 ± 2.9
2022-01-14
Observatoire des Baronnies Provençales
Astelco
FLIPL230 / Clear / 120.0
57.7 ± 0.4
2022-01-14
Rasteau Observatory
Plane Wave CDK 17"
FLI Kepler CMOS 4040 / Lum / 120.0
57.7 ± 0.6
2022-01-14
P.M.P.H.R. Deep Sky (K81)
Ritchey Chretien 40cm-F4.6
ICX453AQ / Lum / 120.0
56.1 ± 2.4
2022-01-14
Astronomical Observatory, University of Siena
Mak-Cas 0.3m f/5.6
Sbig STL-6303 / R / 300.0
54.5 ± 1.3
2022-01-07
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / r' / 120.0
56.3 ± 0.9
2022-01-04
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 240.0
53.7 ± 1.3
2022-01-01
Gonachon
Celestron C11
SBIG ST8XME / Astrodon ExoPlanet-BB / 120.0
56.8 ± 1.3
2021-12-22
Deokheung Optical Astronomy Observatory
NYSC 1m Telescope
FLI PL-16803 or PI SOPHIA-2048B / R / 120.0
55.1 ± 0.6
2021-12-15
Hypatia Observatory
Ritchey Chretienne 250mm f/5.3
Sbig ST8-XE / R / 150.0
56.4 ± 2.0
2021-12-15
MrKite47
Newton Sky-Watcher 200/1000
ZWO ASI183MM Pro / R / 360.0
56.3 ± 2.9
2021-12-15
Otivar dome2
Newton 12" ASA
ASI ZWO 1600MM / R / 240.0
55.7 ± 1.2
2021-12-15
J57 CAAT CDK
Planewave CDK 17"
Sbig STXL 11002 / Clear / 180.0
55.4 ± 0.7
2021-12-11
Rasteau Observatory
Plane Wave CDK 17"
SBIG STXL 11002 / Lum / 120.0
56.0 ± 1.0
2021-12-11
TURMX Observatory
Planewave CDK17
QHY600M / r' / 120.0
55.2 ± 0.9
2021-12-11
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 120.0
55.1 ± 0.9
2021-12-11
La Roque-Esclapon
KEPLER
ATIK 383 L+ / R / 300.0
53.8 ± 1.6
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
2021-04-27
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
42.0 ± 0.7
2021-04-07
Gruppo Astrofili Salese "GALILEO GALILEI"
NEWTON 410/1710
AUDINE KAF 1600 ME KODAK / R / 90.0
45.0 ± 2.2
2021-04-04
privat observatory Herges-Hallenberg
SCT 280 /1790 (Celestron C11 with reducer)
Moravian Instruments G2-1600 / Clear / 120.0
46.5 ± 0.6
2021-03-18
TURMX Observatory
CFF Telescopes 160mm APO
ZWO ASI6200MM Pro / Lum / 120.0
44.9 ± 1.0
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