AAVSO: American Association of Variable Star Observers

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Search results showing 6 observations

Star Exoplanet Observation Date Primary Observer Measurements reference
Details HAT-P-54 HAT-P-54 b 2017-03-18 NKHB 28 in 1.37 hrs 2713

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=-2.086 +/- 0.037,u2=2.608 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2457830.64328 +/- 0.00085,Rp/R*=0.2 +/- 0.046,a/R*=21.44 +/- 6.92,Am1=0.933 +/- 0.024,Am2=0.08 +/- 0.58
Details HAT-P-54 HAT-P-54 b 2018-10-24 NKHB 65 in 3.91 hrs 3972

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=2.607 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458415.8145 +/- 0.003,Rp/R*=0.191 +/- 0.026,a/R*=11.37 +/- 3.2,Am1=0.996 +/- 0.032,Am2=0.0045 +/- 0.0049
Details HAT-P-54 HAT-P-54 b 2019-01-08 NKHB 72 in 3.83 hrs 3973

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=-2.084 +/- 0.037,u2=2.606 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458491.8167 +/- 0.0032,Rp/R*=0.199 +/- 0.017,a/R*=19.15 +/- 2.89,Am1=1.337 +/- 0.039,Am2=-0.279 +/- 0.07
Details HAT-P-54 HAT-P-54 b 2019-01-31 NKHB 24 in 1.95 hrs 2714

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=1.3562 +/- 0.0091,u1=-2.086 +/- 0.037,u2=2.607 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2458514.6248 +/- 0.0054,Rp/R*=0.197 +/- 0.057,a/R*=20.25 +/- 13.24,Am1=0.915 +/- 0.043,Am2=0.08 +/- 0.26
Details HAT-P-54 HAT-P-54 b 2021-01-18 NKHB 42 in 3.51 hrs 2715

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=2.608 +/- 0.049,u3=-0.878 +/- 0.021

Results

Tc=2459232.8016 +/- 0.0022,Rp/R*=0.2 +/- 0.016,a/R*=26.47 +/- 2.16,Am1=0.846 +/- 0.011,Am2=0.155 +/- 0.071
Details HAT-P-54 HAT-P-54 b 2022-01-14 NKHB 71 in 4.10 hrs 2716

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=1.3555 +/- 0.0091,u1=-2.083 +/- 0.037,u2=2.605 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2459593.751 +/- 0.011,Rp/R*=0.2 +/- 0.049,a/R*=14.97 +/- 8.79,Am1=0.476 +/- 0.029,Am2=0.68 +/- 0.27