Name

b

Tycho

24.57

0.752

1.5

30,000

0.019

25.1

−38.3

Cas A

15.4

0.474

1

30,000

0.03

23.3

−45.9

Cygnus loop

10.6

0.326

1

30,000

0.046

403

−0.03

SN 1006

26.8

0.82

0.7

30,000

0.002

174

−0.149