domingo, 7 de julio de 2013

Search of Precession period of comet C/2011 L4 PANSTARRS

A search of periodicities ( precession period ) of comet C/2011 L4 PANSTARRS based in 302 visuals observations from ICQ , COMET OBS and OBSERVADORESCOMETAS ,processed by software of analysis NASA EXOPLANET ARCHIVE , the preliminar results indicate Power 25.14 , the possible firts period of 42 days , based in periodogram type Lomb-Scargle , in the range 10 < P precess < 50 days .

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Update Analysis Light Curve C/2021 A1 LEONARD A1

 My second analysis of the light curve of comet C / 2021 A1 LEONARD, indicates in T-300, a stagnation in the rate of increase in brightness ...