Observed Galactic Parameters and Estimations of the Characteristics of the Bubble

Galaxy

Type

$\beta \equiv z_r$

[×10⁻³]

$M_g$

[×10⁹ M_s]

$M_g$

[×10³⁹ kg]

$V_f$

[km/s]

$V_f^2/M_g$

[×10⁻³⁰ km²∙s⁻²∙kg⁻¹]

${\lambda }_b$

[×10⁵¹ m]

$H_b$

[×10⁻²⁴ km∙s⁻¹∙Mpc⁻¹]

M33

Scd

−0.60

1.0

1.99

110

6.10

1.42

6.51

UGC7321

Sd

1.38

1.1

2.19

110

5.49

1.58

5.85

NGC253

Sc

0.86

2.5

4.97

≈185

6.86

1.26

7.32

NGC3044

Sc

4.30

3.0

5.97

149

3.71

2.34

3.95

M31

Sb

−1

3.0

5.97

226

8.58

1.01

9.15

NGC2403

Scd

0.43

3.2

6.36

130

2.65

3.28

2.83

Milky Way

Sb

-

4.0

7.96

220

6.08

1.43

6.49

NGC891

Sb

1.76

4.1

8,15

220

6.46

1.34

6.89

NGC4559

Scd

2.72

6.7

13.3

118

1.05

8.30

1.12

NGC6946

Scd

0.15

6.7

13.3

175

2.30

3.78

2.45

NGC2613

Sb

5.61

8.7

17.3

≈298

5.14

1.71

5,48

NGC5775

Sb

5.67

9.1

18.1

198

2.17

4.00

2.32

NGC5746

Sb

5.75

9.4

18.7

308

5.08

1.71

5.41

Averages

4.74

2.55

5.06