AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details Qatar-2 Qatar-2 b 2023-02-14 DKEB 76 in 3.88 hrs 2864

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.3371164 +/- 1.1e-06,Rp/R*=0.18258 +/- 0.00011,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.4074 +/- 0.0088,u1=-2.442 +/- 0.037,u2=3.123 +/- 0.05,u3=-1.089 +/- 0.022

Results

Tc=2459989.95 +/- 0.0032,Rp/R*=0.157 +/- 0.015,a/R*=6.12 +/- 0.5,Am1=0.99 +/- 0.02,Am2=0.007 +/- 0.02
Details Qatar-2 Qatar-2 b 2023-04-06 DKEB 62 in 3.50 hrs 3156

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.3371164 +/- 1.1e-06,Rp/R*=0.18258 +/- 0.00011,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.4077 +/- 0.0088,u1=-2.443 +/- 0.037,u2=3.124 +/- 0.05,u3=-1.089 +/- 0.022

Results

Tc=2460040.782 +/- 0.068,Rp/R*=0.156 +/- 0.062,a/R*=7.37 +/- 0.63,Am1=1.147 +/- 0.067,Am2=-0.077 +/- 0.035
Details Qatar-2 Qatar-2 b 2023-04-10 DKEB 73 in 3.72 hrs 3168

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.3371164 +/- 1.1e-06,Rp/R*=0.18258 +/- 0.00011,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.4076 +/- 0.0088,u1=-2.442 +/- 0.037,u2=3.124 +/- 0.05,u3=-1.089 +/- 0.022

Results

Tc=2460044.777 +/- 0.044,Rp/R*=0.152 +/- 0.051,a/R*=5.45 +/- 0.63,Am1=0.959 +/- 0.021,Am2=0.028 +/- 0.022
Details Qatar-2 Qatar-2 b 2023-04-18 DKEB 74 in 3.95 hrs 3256

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.3371164 +/- 1.1e-06,Rp/R*=0.18258 +/- 0.00011,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.4072 +/- 0.0088,u1=-2.441 +/- 0.037,u2=3.122 +/- 0.05,u3=-1.088 +/- 0.022

Results

Tc=2460052.7991 +/- 0.0022,Rp/R*=0.143 +/- 0.012,a/R*=6.73 +/- 0.43,Am1=0.949 +/- 0.015,Am2=0.035 +/- 0.016
Details Qatar-2 Qatar-2 b 2023-04-22 DKEB 76 in 4.08 hrs 3313

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.3371164 +/- 1.1e-06,Rp/R*=0.18258 +/- 0.00011,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.4072 +/- 0.0088,u1=-2.441 +/- 0.037,u2=3.122 +/- 0.05,u3=-1.088 +/- 0.022

Results

Tc=2460056.81 +/- 0.03,Rp/R*=0.16 +/- 0.034,a/R*=5.37 +/- 0.58,Am1=1.093 +/- 0.017,Am2=-0.06 +/- 0.077