AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details HAT-P-54 HAT-P-54 b 2018-03-14 QELA 37 in 2.05 hrs 2851

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=3.7998529 +/- 1.7e-06,Rp/R*=0.16 +/- 0.0011,a/R*=15.5 +/- 2.16,inc=87.04 +/- 0.084,ecc=0.66,u0=1.3566 +/- 0.0091,u1=-2.086 +/- 0.037,u2=2.607 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458191.6341 +/- 0.0024,Rp/R*=0.199 +/- 0.053,a/R*=14.71 +/- 10.07,Am1=0.186 +/- 0.026,Am2=1.47 +/- 0.35
Details HAT-P-54 HAT-P-54 b 2021-01-18 QELA 42 in 3.51 hrs 2853

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=3.7998529 +/- 1.7e-06,Rp/R*=0.16 +/- 0.0011,a/R*=15.5 +/- 2.16,inc=87.04 +/- 0.084,ecc=0.66,u0=1.3553 +/- 0.0091,u1=-2.083 +/- 0.037,u2=2.604 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2459232.8015 +/- 0.0023,Rp/R*=0.199 +/- 0.017,a/R*=26.55 +/- 2.31,Am1=0.851 +/- 0.011,Am2=0.149 +/- 0.073
Details HAT-P-54 HAT-P-54 b 2021-11-18 QELA 76 in 3.92 hrs 2852

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=3.7998529 +/- 1.7e-06,Rp/R*=0.16 +/- 0.0011,a/R*=15.5 +/- 2.16,inc=87.04 +/- 0.084,ecc=0.66,u0=1.3556 +/- 0.0091,u1=-2.083 +/- 0.037,u2=2.604 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2459536.781 +/- 0.013,Rp/R*=0.195 +/- 0.055,a/R*=26.28 +/- 13.13,Am1=1.01 +/- 0.046,Am2=-0.011 +/- 0.011