Ionized gas at the edge of the central molecular zone

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Table 3

C⁺ column densities and intensities.

LOS^a	N(C⁺)^b	I_H⁺([C ii])^c	I_H₂([C ii])	N_H₂(C⁺)	N_C⁺(H₂)^f

−207^d

358.45	4.9e17	64.1	−0.7	–	–
358.55	3.5e17	38.5	7.0	4.2e17	8.2e20
358.60	2.2e17	18.3	29.3	1.8e18	3.5e21
358.65	–	–	–	–	–
358.70	3.0e17	31.3	14.1	8.6e17	1.7e21
358.75	–	–	–	–	–

Average	3.4e17	38.1	16.8^e	1.0e18	2.0e21

−174^d

358.45	2.4e17	21.1	0.1	3.3e15	6.4e18
358.55	2.5e17	22.6	−10.4	–	–
358.60	1.5e17	9.9	33.1	2.0e18	3.9e21
358.65	–	–	–	–	–
358.70	1.8e17	13.4	1.3	8.2e16	1.6e20
358.75	–	–	–	–	–

Average	2.0e17	16.9	11.5^e	7.0e17	1.4e21

Notes.

^(a)

All LOS are at b = 0°.

^(b)

Column density in cm^-2 and rounded to one decimal place.

^(c)

Intensity of [C ii] in the [N ii] emission region in K km s^-1.

^(d)

V_lsr in km s^-1.

^(e)

Negative intensities are not included.

^(f)

Assumes T_k = 100 K and n(H₂) = 300 cm^-3.

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