AAVSO: American Association of Variable Star Observers

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Search results showing 7 observations

Star Exoplanet Observation Date Primary Observer Measurements reference
Details HAT-P-54 HAT-P-54 b 2016-01-25 PTYA 70 in 3.81 hrs 3960

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

Results

Tc=2457412.6674 +/- 0.0032,Rp/R*=0.181 +/- 0.016,a/R*=13.11 +/- 2.23,Am1=0.986 +/- 0.021,Am2=0.011 +/- 0.019
Details HAT-P-54 HAT-P-54 b 2016-03-22 PTYA 58 in 2.95 hrs 3961

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=-2.084 +/- 0.037,u2=2.606 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2457469.6525 +/- 0.0029,Rp/R*=0.1992 +/- 0.0086,a/R*=12.11 +/- 1.12,Am1=1.089 +/- 0.034,Am2=-0.076 +/- 0.055
Details HAT-P-54 HAT-P-54 b 2017-12-28 PTYA 76 in 3.85 hrs 2819

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=-2.083 +/- 0.037,u2=2.604 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2458115.6366 +/- 0.0017,Rp/R*=0.181 +/- 0.054,a/R*=21.13 +/- 11.26,Am1=1.009 +/- 0.052,Am2=-0.0005 +/- 0.0065
Details HAT-P-54 HAT-P-54 b 2019-03-06 PTYA 33 in 3.98 hrs 2820

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=1.3559 +/- 0.0091,u1=-2.085 +/- 0.037,u2=2.606 +/- 0.049,u3=-0.877 +/- 0.021

Results

Tc=2458548.8174 +/- 0.0055,Rp/R*=0.198 +/- 0.055,a/R*=7.63 +/- 11.68,Am1=1.098 +/- 0.069,Am2=-0.024 +/- 0.014
Details HAT-P-54 HAT-P-54 b 2019-11-27 PTYA 76 in 4.03 hrs 2821

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

Results

Tc=2458814.8052 +/- 0.0033,Rp/R*=0.164 +/- 0.015,a/R*=13.19 +/- 1.64,Am1=0.933 +/- 0.016,Am2=0.054 +/- 0.011
Details HAT-P-54 HAT-P-54 b 2021-01-18 PTYA 61 in 3.56 hrs 3962

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

Results

Tc=2459232.7838 +/- 0.0062,Rp/R*=0.146 +/- 0.02,a/R*=12.25 +/- 4.6,Am1=0.926 +/- 0.015,Am2=0.071 +/- 0.069
Details HAT-P-54 HAT-P-54 b 2021-02-25 PTYA 55 in 3.62 hrs 2822

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=2459270.8093 +/- 0.0057,Rp/R*=0.197 +/- 0.027,a/R*=13.72 +/- 3.78,Am1=0.938 +/- 0.03,Am2=0.047 +/- 0.011