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Table 2

Results of the cometary activity analysis.

Day α S Atot Afρ B pv Req
(°) (km2) (cm) (°) % (km)

2007 May 18 2.7 1623±47 0±55 –4.5 3.6±0.3 120±5
2007 Jul. 17 4.4 1795±48 0±96 –6.2 3.9±0.3 121±5
2008 Mar. 3 3.7 1626±47 5.1 3.7±0.3 120±5
2008 Jun. 1 2.9 1465±43 110±100 1.6 3.6±0.3 114±5
2013 Jun. 12 1.3 2739±190 0±300 33 4.9±0.4 133±9

Notes. α is the phase angle, SAtot the projected surface of Chariklo and of the rings multiplied by the albedo, B the aspect angle of the rings, pv the estimated albedo value during each observing run, and Req the equivalent radius associated with SAtot. Afρ during the March 2008 observation is not reported because of flux contamination by a background star.

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