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Table 3

Rate of decline in flux (percent per day) against the band between April 5th and 26th 2010, determined by a least squares fit to the data presented in the text.

Band Rate of decline (%/day)
B 5.0
V 4.7
R (SMARTS) 4.6
R (Jagiellonian) 4.3
J 3.7
K 2.6
37 GHz 1.4

Notes. There is a clear trend for the spectrum to get redderwith declining flux, consistent with known blazar behaviour.

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