Thursday, August 29, 2013
PERIODOGRAM OF COMET C/2012 S1 ISON
I calculated the period of rotation of comet C/2012 S1 ISON , my calculations based in database from MPC ( IAU ) 3.058 ccd magnitudes ( T-N ), the periodogram type used is LOMB-SCARGLE , from NASA EXOPLANET PERIODOGRAM SERVICE , the results show rotation period of Prot= 7,996 hours , P = 0.333196 , this results coincide as diameter of comet of nucleus of 5 kms , based in data from SWIFT/NASA .
Wednesday, August 28, 2013
LIGHT CCD CURVE OF COMET ISON C/2012 S1
Updated the light ccd curve of comet C/2012 S1 ISON , the curve shows a drop in brightness on the red line expected theoretical , i reduced to conversion formula visual to ccd , and the maximun brightness is possible ~ +3.5 in perihelion , based in 3058 ccd observations .
Wednesday, August 14, 2013
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NUCLEAR ABSOLUTE MAGNITUDE vs NUCLEAR RADIO COMETS FOR 38
In the case of applying this equation to comet 12P/Pons-Brooks, a Nuclear Radius of 2.84 km is obtained, which corresponds to a core diamete...
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The new estimated nuclear radius of the comet is RN = 0.75 +/- 0.02 kms. The active area fraction of the core surface is (F)+/-o= 1.4+/- 0.0... -
Comet C/2023 P1 NISHIMURA. SOHO/SWAN/J.P.Navarro Pina. The Ly-α emission is the UV emission, this is more intense in comets, the water ice ...