Rilevazione di un effetto di fase nella curva di luce pre-perielica. La cometa C/2002 T7 (LINEAR)

Details Rilevazione di un effetto di fase nella curva di luce pre-perielica. La cometa C/2002 T7 (LINEAR) Rilevazione di un effetto di fase nella curva di luce pre-perielica. La cometa C/2002 T7 (LINEAR)

Apr 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005asuai...2...42m&link_type=abstract

Astronomia. La rivista dell'Unione Astrofili Italiani (ISSN 0392-2308), N. 2, p. 42 - 45 (marzo-aprile 2005)

Other

Comets, Light Curves

Scientific paper

Comet C/2002 T7 (LINEAR) was intensively observed for the CARA project during the pre-perihelion phase (3.3 < R < 1.2 A.U.). Light curve and Afrho measurements show a temporary increase, interpreted as a phase effect with a brightening of 0.036±0.05 magnitudes/degree, in good agreement with the data available on other comets. For phase angle f < 23° it displays a steeper trend (0.08±0.01 magniutdes/degree). Taking into account the phase effect, it appears that in the considered period the Afrho quantity was nearly constant (Afrho = 3128±434 cm). This constant behaviour has interesting implications and rules out nuclear activity.

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