SNR

Velocity (Km∙s−1)

Radius (pc)

Our

CPM.

Researchers

Our

CPM.

Researchers

G1.9+0

14200

11700

14000 [14]

4.37

4.7

4.7 [14]

kepler

2360

2420

1550 - 2000 [17]

6

4

4 [15]

Tycho

2442

3147

1500 - 2800 [18]

5.4

5.6

3.7 [18]

1006

1755

4436

2890 ± 100 [19]

8.6

18

7.1 - 7.5 [19]

SN 1987A

6246

4113

4000 [21]

0.78

0.49

0.39 [20]

Cas A

1755

3872

1000 - 1500 [22]

3.32

5.055

2.637 [22]

Crab

1220

1414

1500 [25]

6.1

3.41

3.4 [24]

Cygnus loop

260

224

200 - 300 [29]

23

9.6

20 - 25 [28]

IC443

83

101

65 - 100 [30]

13.4

11.1

9.6 [31] - 15 [32]