Name

b

Tycho

13.3

0.408

1.5

30,000

0.07

3

−34.8

Cas A

8

0.245

1

30,000

0.073

0.26

−42.3

Cygnus loop

3.43

0.1052

1

30,000

0.09

338

−0.1

SN 1006

27.5

0.845

0.7

30,000

0.074

136

−14.1