North Polar Spur: Gaseous plume(s) from star-forming regions ∼3–5 kpc from the Galactic Center?

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Table B.1.

Set of "sources" used to illustrate typical trajectories of gaseous plumes in Fig. C.1.

l	b	D_Earth	D_GC	Comments
23°	0°	6	3.6
23°	0°	12	5.4	∼5-kpc-ring, far
0°	0°	3	5.3	∼5-kpc-ring, near
0°	0°	13	4.7	∼5-kpc-ring, far
332°	0°	10	4.7	∼5-kpc-ring, far
332°	0°	3	5.8	∼5-kpc-ring, near
82°	0°	1.4	8.2	Cygnus region, near
82°	0°	3.4	8.5	Cygnus region, far
262°	0°	1	8.5	Vela region, near
262°	0°	5	10	Vela region, far
45°	0°	3	6.5
45°	0°	9	6.7

Notes. In the first two columns, the apparent Galactic coordinates of the current source position are given. The next two columns give the distance (in kpc) from the Earth and the GC. These positions coupled with Eqs. 1 and 2 were used to generate the trajectories shown in Fig. C.1.

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