Initial Speed of Knots in the Plasma Tail of C/2013 R1(Lovejoy)

Masafumi Yagi, Jin Koda, Reiko Furusho +3

We report short-time variations in the plasma tail of C/2013 R1(Lovejoy). A series of short (two to three minutes) exposure images with the 8.2-m Subaru telescope shows faint detai…