AAVSO: American Association of Variable Star Observers

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Search results showing 5 observations

Star Exoplanet Observation Date Primary Observer Measurements reference
Details HAT-P-18 HAT-P-18 b 2014-02-09 SPUA 103 in 3.19 hrs 3657

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=5.5080232 +/- 5.6e-06,Rp/R*=0.14692 +/- 0.00066,a/R*=16.52 +/- 0.06,inc=88.66 +/- 0.03,ecc=0.087,u0=1.3954 +/- 0.0087,u1=-2.404 +/- 0.036,u2=3.102 +/- 0.049,u3=-1.093 +/- 0.021

Results

Tc=2456697.914 +/- 0.043,Rp/R*=0.1 +/- 0.035,a/R*=15.68 +/- 0.52,Am1=0.994 +/- 0.023,Am2=0.0063 +/- 0.0061
Details HAT-P-18 HAT-P-18 b 2019-06-24 FMAA 94 in 4.83 hrs 671

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=5.508023 +/- 6e-06,a/R*=16.39 +/- 0.24,inc=88.53 +/- 0.16,ecc=0.087,u0=1.745 +/- 0.035,u1=-3.09 +/- 0.14,u2=3.62 +/- 0.19,u3=-1.265 +/- 0.081

Results

Tc=2458658.7745 +/- 0.0043,Rp/R*=0.13 +/- 0.022,Am1=0.973 +/- 0.06,Am2=0.025 +/- 0.057
Details HAT-P-18 HAT-P-18 b 2020-07-08 FMAA 93 in 4.98 hrs 672

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=5.508023 +/- 6e-06,a/R*=16.39 +/- 0.24,inc=88.53 +/- 0.16,ecc=0.087,u0=1.745 +/- 0.035,u1=-3.1 +/- 0.14,u2=3.62 +/- 0.19,u3=-1.266 +/- 0.081

Results

Tc=2459038.8272 +/- 0.0068,Rp/R*=0.121 +/- 0.017,Am1=0.989 +/- 0.011,Am2=0.0104 +/- 0.008
Details HAT-P-18 HAT-P-18 b 2022-04-19 GSAD 49 in 3.20 hrs 1450

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=5.5080232 +/- 5.6e-06,a/R*=17.25 +/- 0.33,inc=88.53 +/- 0.16,ecc=0.087,u0=1.3954 +/- 0.0087,u1=-2.405 +/- 0.036,u2=3.103 +/- 0.049,u3=-1.093 +/- 0.021

Results

Tc=2459688.748 +/- 0.018,Rp/R*=0.184 +/- 0.052,a/R*=15.89 +/- 2.82,Am1=1.3 +/- 0.6,Am2=-0.07 +/- 0.065
Details HAT-P-18 HAT-P-18 b 2022-07-05 FMAA 76 in 4.59 hrs 1713

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=5.5080232 +/- 5.6e-06,a/R*=17.25 +/- 0.33,inc=88.53 +/- 0.16,ecc=0.087,u0=1.71 +/- 0.012,u1=-2.972 +/- 0.05,u2=3.475 +/- 0.066,u3=-1.213 +/- 0.028

Results

Tc=2459765.89 +/- 0.019,Rp/R*=0.119 +/- 0.049,a/R*=19.04 +/- 2.83,Am1=1.0 +/- 0.022,Am2=-0.001 +/- 0.017