Name

t₀ (yr)

r₀ (pc)

$v_0\left(\text{km}\cdot {\text{s}}^{-1}\right)$

b (pc)

${\delta }_r\left(\mathrm{<mi>\; \%\; </mi>}\right)$

${\delta }_v\left(\mathrm{<mi>\; \%\; </mi>}\right)$

${\Delta }_{10}v\left(\text{km}\cdot {\text{s}}^{-1}\right)$

Tycho

27.75

0.85

30,000

20

0.064

34.37

−46.66

Cas A

17.3

0.52

30,000

8

0.1

31.78

−55.59

Cygnus loop

50.94

1.55

30,000

50

0.15

140.1

−0.18

SN 1006

88.17

2.7

30,000

100

0.72

36.62

−26.18

Puppis A

35.26

1.08

30,000

100

0.87

44.9

−1.74