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 2016-02-09 CELC 88 in 4.62 hrs 2758

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=1.3557 +/- 0.0091,u1=-2.086 +/- 0.037,u2=2.609 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2457427.864 +/- 0.0043,Rp/R*=0.151 +/- 0.036,a/R*=18.48 +/- 6.93,Am1=0.893 +/- 0.022,Am2=0.0525 +/- 0.0026
Details HAT-P-54 HAT-P-54 b 2020-01-23 CELC 73 in 3.90 hrs 2759

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=1.3563 +/- 0.0091,u1=-2.085 +/- 0.037,u2=2.607 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458871.7903 +/- 0.0085,Rp/R*=0.151 +/- 0.056,a/R*=12.29 +/- 13.94,Am1=1.202 +/- 0.09,Am2=-0.14 +/- 0.12
Details HAT-P-54 HAT-P-54 b 2022-03-31 CELC 64 in 3.23 hrs 2760

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=1.3558 +/- 0.0091,u1=-2.084 +/- 0.037,u2=2.605 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2459669.7824 +/- 0.0096,Rp/R*=0.165 +/- 0.029,a/R*=13.44 +/- 5.6,Am1=0.97 +/- 0.026,Am2=0.0163 +/- 0.0057