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 2016-12-09 HHEB 63 in 4.05 hrs 4076

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

Results

Tc=2457731.8468 +/- 0.0014,Rp/R*=0.173 +/- 0.011,a/R*=12.11 +/- 1.96,Am1=1.118 +/- 0.017,Am2=-0.1 +/- 0.037
Details HAT-P-54 HAT-P-54 b 2017-11-16 HHEB 96 in 5.49 hrs 4077

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=1.3565 +/- 0.0091,u1=-2.087 +/- 0.037,u2=2.609 +/- 0.049,u3=-0.879 +/- 0.021

Results

Tc=2458073.8332 +/- 0.0013,Rp/R*=0.178 +/- 0.017,a/R*=14.14 +/- 2.77,Am1=1.013 +/- 0.025,Am2=-0.012 +/- 0.0087
Details HAT-P-54 HAT-P-54 b 2018-02-23 HHEB 66 in 3.26 hrs 4078

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

Results

Tc=2458172.6313 +/- 0.0016,Rp/R*=0.179 +/- 0.012,a/R*=16.67 +/- 1.04,Am1=0.964 +/- 0.017,Am2=0.036 +/- 0.073
Details HAT-P-54 HAT-P-54 b 2021-12-03 HHEB 52 in 3.36 hrs 4079

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=1.3564 +/- 0.0091,u1=-2.087 +/- 0.037,u2=2.609 +/- 0.049,u3=-0.879 +/- 0.021

Results

Tc=2459551.9896 +/- 0.003,Rp/R*=0.2 +/- 0.0093,a/R*=13.24 +/- 1.38,Am1=0.805 +/- 0.022,Am2=0.212 +/- 0.041
Details HAT-P-54 HAT-P-54 b 2022-03-31 HHEB 63 in 3.23 hrs 4080

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

Results

Tc=2459669.7897 +/- 0.0061,Rp/R*=0.2 +/- 0.022,a/R*=13.85 +/- 3.51,Am1=0.966 +/- 0.033,Am2=0.0228 +/- 0.0056