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 2018-02-23 HBRD 66 in 3.26 hrs 2803

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=-2.085 +/- 0.037,u2=2.608 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458172.632 +/- 0.0021,Rp/R*=0.135 +/- 0.033,a/R*=16.61 +/- 6.18,Am1=0.873 +/- 0.018,Am2=0.125 +/- 0.092
Details HAT-P-54 HAT-P-54 b 2021-02-25 HBRD 54 in 3.98 hrs 3958

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=2459270.8065 +/- 0.0058,Rp/R*=0.2 +/- 0.026,a/R*=16.8 +/- 3.93,Am1=0.998 +/- 0.05,Am2=-0.006 +/- 0.015
Details HAT-P-54 HAT-P-54 b 2023-09-29 HBRD 434 in 3.14 hrs 4753

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

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=1.706 +/- 0.012,u1=-2.731 +/- 0.051,u2=3.062 +/- 0.066,u3=-1.037 +/- 0.028

Results

Tc=2460216.95307 +/- 0.00046,Rp/R*=0.1415 +/- 0.0018,a/R*=14.49 +/- 0.25,Am1=0.9881 +/- 0.0046,Am2=0.0095 +/- 0.0013