AAVSO: American Association of Variable Star Observers

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Search results showing 10 observations

Star Exoplanet Observation Date Primary Observer Measurements reference
Details K2-30 K2-30 b 2019-01-27 SGDA 63 in 2.34 hrs 3288

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2458510.5734 +/- 0.0061,Rp/R*=0.131 +/- 0.039,a/R*=14.1 +/- 1.81,Am1=1.175 +/- 0.026,Am2=-0.16 +/- 0.19
Details K2-30 K2-30 b 2019-11-18 PAIB 51 in 2.71 hrs 4005

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2458805.6551 +/- 0.0071,Rp/R*=0.163 +/- 0.042,a/R*=12.99 +/- 1.57,Am1=0.962 +/- 0.022,Am2=0.02 +/- 0.01
Details K2-30 K2-30 b 2020-10-19 TKVA 45 in 2.53 hrs 4886

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.919 +/- 0.016,u1=-3.403 +/- 0.067,u2=3.914 +/- 0.088,u3=-1.43 +/- 0.037

Results

Tc=2459141.7234 +/- 0.0082,Rp/R*=0.152 +/- 0.047,a/R*=14.46 +/- 1.95,Am1=1.058 +/- 0.03,Am2=-0.019 +/- 0.011
Details K2-30 K2-30 b 2020-10-23 LELA 85 in 4.41 hrs 4427

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2459145.8488 +/- 0.0074,Rp/R*=0.162 +/- 0.033,a/R*=11.07 +/- 1.72,Am1=1.064 +/- 0.029,Am2=-0.059 +/- 0.059
Details K2-30 K2-30 b 2020-10-27 GMAI 71 in 4.02 hrs 2779

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.784 +/- 0.056,u2=3.442 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2459149.928 +/- 0.0078,Rp/R*=0.158 +/- 0.043,a/R*=12.27 +/- 1.57,Am1=0.962 +/- 0.03,Am2=0.04 +/- 0.033
Details K2-30 K2-30 b 2020-11-25 ADUA 25 in 4.10 hrs 4478

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2459178.6364 +/- 0.0088,Rp/R*=0.162 +/- 0.048,a/R*=13.64 +/- 1.91,Am1=0.89 +/- 0.68,Am2=-0.122 +/- 0.072
Details K2-30 K2-30 b 2021-10-27 SGGB 86 in 4.33 hrs 4508

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2459514.685 +/- 0.0051,Rp/R*=0.163 +/- 0.014,a/R*=10.99 +/- 1.11,Am1=1.121 +/- 0.034,Am2=-0.103 +/- 0.0052
Details K2-30 K2-30 b 2021-11-04 WGAC 85 in 4.27 hrs 5039

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2459522.8776 +/- 0.0071,Rp/R*=0.144 +/- 0.036,a/R*=12.28 +/- 1.47,Am1=0.985 +/- 0.021,Am2=0.012 +/- 0.018
Details K2-30 K2-30 b 2023-01-25 OAS 65 in 3.12 hrs 2394

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.919 +/- 0.016,u1=-3.403 +/- 0.067,u2=3.914 +/- 0.088,u3=-1.43 +/- 0.037

Results

Tc=2459969.61 +/- 0.011,Rp/R*=0.163 +/- 0.048,a/R*=10.91 +/- 1.79,Am1=1.151 +/- 0.029,Am2=-0.12 +/- 0.14
Details K2-30 K2-30 b 2023-09-03 CPHB 57 in 3.65 hrs 4400

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

MOBS

Priors

Period=4.0984791 +/- 7e-07,Rp/R*=0.13084 +/- 0.00018,a/R*=11.24 +/- 0.22,inc=86.56 +/- 0.39,ecc=0.08,u0=1.632 +/- 0.014,u1=-2.783 +/- 0.056,u2=3.441 +/- 0.074,u3=-1.29 +/- 0.031

Results

Tc=2460190.926 +/- 0.013,Rp/R*=0.155 +/- 0.045,a/R*=14.53 +/- 1.98,Am1=1.071 +/- 0.048,Am2=-0.049 +/- 0.055