Name

t 0 ( yr )

r 0 ( pc )

v 0 ( km s 1 )

δ r ( % )

δ v ( % )

Δ 10 v ( km s 1 )

Tycho

10.44

0.32

30,000

0.016

0.98

−39.7

Cas A

6

0.184

30,000

0.216

2.40

−48.62

Cygnus loop

2.28

0.07

30,000

0.1

272

−0.18

SN 1006

40.82

1.25

30,000

0.089

104

−21.6