AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details Qatar 4 Qatar 4b 2020-10-10 KGAB 73 in 2.69 hrs 496

Detrend Parameters

Width_T1,CCD-TEMP

Secondary Observers

Priors

u1=0.4,u2=0.223,Period=1.81,Rsun=0.849

Results

TC=2459132.615653099,(Rp/R*)2=0.027,t14=02:08:14
Details Qatar 4 Qatar 4b 2020-10-17 KGAB 89 in 3.30 hrs 510

Detrend Parameters

AIRMASS,Width_T1

Secondary Observers

Priors

Period=1.81,Msun=.789,u1=.4,u2=0.223

Results

(Rp/R*)2=0.0184,Tc=2459139.837378406,t14=02:02:07
Details Qatar 4 Qatar 4b 2020-10-19 KGAB 110 in 4.12 hrs 520

Detrend Parameters

Width_T1,X(FITS)_T1

Secondary Observers

Priors

Period=1.81,Msun=0.789,u1=.3,u2=0.3 (Locked),Model Bin 2

Results

(Rp/R*)2=0.021,Tc=2459141.643618181,t14=02:02:59