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 2018-04-21 REVB 52 in 2.67 hrs 2854

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=2.606 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2458229.6275 +/- 0.0024,Rp/R*=0.2 +/- 0.051,a/R*=26.46 +/- 8.26,Am1=1.269 +/- 0.053,Am2=-0.141 +/- 0.023
Details HAT-P-54 HAT-P-54 b 2019-01-12 REVB 67 in 3.20 hrs 2855

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=1.3554 +/- 0.0091,u1=-2.082 +/- 0.037,u2=2.603 +/- 0.049,u3=-0.876 +/- 0.021

Results

Tc=2458495.6278 +/- 0.0052,Rp/R*=0.147 +/- 0.054,a/R*=10.85 +/- 13.55,Am1=0.949 +/- 0.039,Am2=0.025 +/- 0.016
Details HAT-P-54 HAT-P-54 b 2020-01-04 REVB 78 in 3.92 hrs 2856

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=1.3561 +/- 0.0091,u1=-2.085 +/- 0.037,u2=2.606 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2458852.8063 +/- 0.005,Rp/R*=0.179 +/- 0.039,a/R*=18.55 +/- 6.19,Am1=1.091 +/- 0.032,Am2=-0.08 +/- 0.14
Details HAT-P-54 HAT-P-54 b 2022-03-31 REVB 63 in 3.23 hrs 2857

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=1.356 +/- 0.0091,u1=-2.086 +/- 0.037,u2=2.609 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2459669.779 +/- 0.013,Rp/R*=0.167 +/- 0.055,a/R*=20.87 +/- 12.02,Am1=1.209 +/- 0.044,Am2=-0.1112 +/- 0.0053