My last analysis of the light curve based on the data offered by the COBS database, and using only visual magnitudes, filtering and subtracting the cdd, shows a possible second outbursts of comet C/2002 E ZTF, possibly +0.8 magnitudes visuals, near perihelion the comet has had a very interesting photometric behavior, around the end of December it showed a timid first outbursts of +0.5 magnitudes, near perihelion on January 12, 2023, the comet under its increase in brightness, turning off the gas and dust activity in the comet , with a much slower rate and an index with values close to 4.0 , and making it clear that the comet could not exceed +6.0 as maximum visual magnitude , now , the comet has suffered another possible burst of brightness, close to +0.8 visual magnitudes, which makes us grow optimistic, thinking of a maximum visual magnitude of +5.0 for February 2, the date on which the comet will be closest to Earth and much brighter.
The second reduced light curve shows more clearly the two outbursts of comet ZTF , the time interval between them could reveal a rotational phase of precession of the comet of approximately 17 days
Friday, January 20, 2023
POSSIBLE OUTBURTS COMET ZTF
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