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 2012-04-21 TKVA 75 in 4.06 hrs 3228

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=1.738 +/- 0.012,u1=-3.042 +/- 0.051,u2=3.531 +/- 0.068,u3=-1.226 +/- 0.029

Results

Tc=2456038.7728 +/- 0.0027,Rp/R*=0.139 +/- 0.016,a/R*=6.25 +/- 0.54,Am1=1.003 +/- 0.02,Am2=-0.003 +/- 0.023
Details Qatar-2 Qatar-2 b 2023-04-06 TKVA 60 in 3.21 hrs 3161

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=1.738 +/- 0.012,u1=-3.043 +/- 0.051,u2=3.533 +/- 0.068,u3=-1.227 +/- 0.029

Results

Tc=2460040.788 +/- 0.065,Rp/R*=0.14 +/- 0.055,a/R*=7.5 +/- 0.63,Am1=0.989 +/- 0.041,Am2=0.007 +/- 0.027
Details Qatar-2 Qatar-2 b 2023-04-10 TKVA 61 in 3.70 hrs 3167

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=1.4075 +/- 0.0088,u1=-2.442 +/- 0.037,u2=3.123 +/- 0.05,u3=-1.089 +/- 0.022

Results

Tc=2460044.767 +/- 0.0047,Rp/R*=0.182 +/- 0.016,a/R*=5.36 +/- 0.57,Am1=0.99 +/- 0.025,Am2=0.007 +/- 0.018
Details Qatar-2 Qatar-2 b 2023-04-18 TKVA 73 in 3.95 hrs 3277

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=1.738 +/- 0.012,u1=-3.042 +/- 0.051,u2=3.531 +/- 0.068,u3=-1.226 +/- 0.029

Results

Tc=2460052.8021 +/- 0.0028,Rp/R*=0.167 +/- 0.017,a/R*=7.27 +/- 0.36,Am1=1.03 +/- 0.03,Am2=-0.021 +/- 0.029
Details Qatar-2 Qatar-2 b 2023-04-22 TKVA 68 in 3.79 hrs 3291

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=1.738 +/- 0.012,u1=-3.042 +/- 0.051,u2=3.531 +/- 0.068,u3=-1.226 +/- 0.029

Results

Tc=2460056.8103 +/- 0.0021,Rp/R*=0.193 +/- 0.017,a/R*=5.59 +/- 0.41,Am1=1.153 +/- 0.016,Am2=-0.102 +/- 0.063