AAVSO: American Association of Variable Star Observers

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Search results showing 8 observations

Star Exoplanet Observation Date Primary Observer Measurements reference
Details Qatar-2 Qatar-2 b 2019-05-29 OAS 78 in 3.92 hrs 2350

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=2458632.778 +/- 0.013,Rp/R*=0.142 +/- 0.025,a/R*=7.48 +/- 0.68,Am1=1.233 +/- 0.03,Am2=-0.1501 +/- 0.009
Details Qatar2 Qatar-2 b 2022-03-06 OAS 32 in 3.68 hrs 1265

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.33711716 +/- 1.2e-07,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=1.738 +/- 0.012,u1=-3.044 +/- 0.051,u2=3.533 +/- 0.068,u3=-1.227 +/- 0.029

Results

Tc=2459644.9841 +/- 0.005,Rp/R*=0.226 +/- 0.065,a/R*=7.52 +/- 0.62,Am1=2.12 +/- 0.24,Am2=-0.55 +/- 0.17
Details Qatar2 Qatar-2 b 2022-03-10 OAS 75 in 4.92 hrs 1268

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.33711716 +/- 1.2e-07,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=-1.227 +/- 0.029

Results

Tc=2459648.9957 +/- 0.0039,Rp/R*=0.209 +/- 0.021,a/R*=7.5 +/- 0.61,Am1=0.886 +/- 0.033,Am2=0.075 +/- 0.011
Details Qatar2 Qatar-2 b 2022-04-14 OAS 74 in 4.19 hrs 1371

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=1.33711716 +/- 1.2e-07,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=2459683.7637 +/- 0.005,Rp/R*=0.146 +/- 0.056,a/R*=5.4 +/- 0.62,Am1=1.054 +/- 0.055,Am2=-0.03 +/- 0.026
Details Qatar-2 Qatar-2 b 2023-04-06 OAS 59 in 3.21 hrs 3142

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=-3.044 +/- 0.051,u2=3.534 +/- 0.068,u3=-1.228 +/- 0.029

Results

Tc=2460040.786 +/- 0.031,Rp/R*=0.155 +/- 0.039,a/R*=7.47 +/- 0.65,Am1=1.005 +/- 0.038,Am2=0.006 +/- 0.025
Details Qatar-2 Qatar-2 b 2023-04-10 OAS 67 in 3.61 hrs 3160

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=1.737 +/- 0.012,u1=-3.041 +/- 0.051,u2=3.529 +/- 0.068,u3=-1.226 +/- 0.029

Results

Tc=2460044.7707 +/- 0.0036,Rp/R*=0.165 +/- 0.016,a/R*=6.34 +/- 0.52,Am1=0.947 +/- 0.019,Am2=0.034 +/- 0.013
Details Qatar-2 Qatar-2 b 2023-04-18 OAS 76 in 3.95 hrs 3255

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=2460052.7989 +/- 0.0051,Rp/R*=0.146 +/- 0.017,a/R*=6.97 +/- 0.53,Am1=0.966 +/- 0.015,Am2=0.027 +/- 0.025
Details Qatar-2 Qatar-2 b 2023-04-22 OAS 76 in 4.08 hrs 3301

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=2460056.8099 +/- 0.0052,Rp/R*=0.163 +/- 0.018,a/R*=5.73 +/- 0.33,Am1=1.024 +/- 0.015,Am2=-0.01 +/- 0.056