Massive star formation at the Galactic crossroads: Insights from G358.69+0.03 in the Galactic center

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Table B.5

Physical properties of the H II regions.

ID	n_pix	l [°]	b [°]	Name	$σ_{noise}^{p}$ $Mathematical equation: $\[\sigma_{\text {noise}}^{p}\]$$ [mJy/b]	SNR	$S_{OBS}^{p}$ $Mathematical equation: $\[\mathrm{S}_{\text {OBS}}^{\mathrm{p}}\]$$ [mJy/b]	F_5.8GHz [mJy]	Y-factor	log₁₀(N_ly) log₁₀[s⁻¹]	Sp. Type	R_H II [pc]	t_dyn [Myr]	n_e [cm⁻³]	EM [pc cm⁻⁶]	α
1	1137	358.632	+0.063	G358.632+0.063	0.429	552.0	236.00	401.00	1.70	48.49	O7.5	1.89	0.31	97.17	35705.9	−0.25 ± 0.01
3	591	358.803	−0.011	G358.803–0.011	0.528	144.0	75.40	107.00	1.42	47.91	O9	1.36	0.25	82.00	18329.6	−0.26 ± 0.03
4	433	358.644	−0.033	G358.644–0.033	0.631	124.0	77.70	145.00	1.87	48.04	O9	1.17	0.17	120.53	33902.9	−0.28 ± 0.02
5	4757	358.599	−0.060	G358.599–0.060	0.592	122.0	71.80	872.00	12.14	48.82	O6.5	3.87	0.94	48.98	18558.4	−
6	459	358.683	−0.116	G358.683–0.116	0.717	116.0	82.70	160.00	1.93	48.09	O9	1.20	0.17	121.20	35291.0	−0.32 ± 0.03
8	1875	358.784	+0.060	G358.784+0.060	0.568	98.7	55.90	434.00	7.76	48.52	O7.5	2.43	0.49	69.47	23433.9	−
9	1086	358.720	+0.010	G358.720+0.010	0.554	69.4	38.20	128.00	3.35	47.99	O9	1.85	0.41	56.82	11932.6	−
10	2869	358.719	−0.125	G358.719–0.125	0.477	58.9	28.10	154.00	5.48	48.07	O9	3.00	0.94	30.08	5434.3	−
14a	1239	358.529	+0.059	G358.529+0.059	0.559	35.1	19.58	133.29	6.81	48.01	O9	1.97	0.46	52.47	10867.7	−
14b	794	358.521	+0.028	G358.521+0.028	0.616	17.5	10.76	66.88	6.22	47.71	O9.5	1.58	0.37	51.96	8530.3	−
14c	602	358.482	+0.074	G358.482+0.074	0.784	12.9	10.46	58.58	5.60	47.65	O9.5	1.38	0.30	59.85	9855.0	−
15	1081	358.551	−0.029	G358.551–0.029	0.559	34.6	19.30	108.00	5.60	47.92	O9	1.84	0.43	52.38	10114.7	−
16	796	358.651	−0.077	G358.651–0.077	0.705	34.7	24.20	90.20	3.73	47.84	O9.5	1.58	0.34	60.22	11472.3	−
17	260	358.844	+0.026	G358.844+0.026	0.564	34.8	19.30	29.70	1.54	47.36	B0.5	0.90	0.17	79.97	11564.8	−0.34 ± 0.07
18	195	358.881	+0.056	G358.881+0.056	0.503	31.6	15.70	19.90	1.27	47.18	B0.5	0.78	0.14	81.23	10331.8	−0.13 ± 0.08
19	2491	358.505	+0.108	G358.505+0.108	0.555	29.6	16.40	180.00	10.98	48.14	O8.5	2.80	0.80	36.15	7315.7	−
20	139	358.890	+0.082	G358.890+0.082	0.463	26.3	12.20	12.00	0.98	46.96	B1	0.66	0.12	81.31	8740.2	−0.33 ± 0.10
21a	557	358.689	−0.076	G358.689–0.076	0.734	23.3	17.13	93.24	5.44	47.85	O9.5	1.32	0.24	80.00	16940.2	−
21b	389	358.681	−0.088	G358.681–0.088	0.733	18.0	13.17	55.43	4.21	47.63	O9.5	1.11	0.20	80.74	14418.4	−
22	160	358.612	+0.178	G358.612+0.178	0.442	22.1	9.65	10.90	1.13	46.92	B1	0.71	0.14	69.73	6897.0	+0.02 ± 0.13
23	154	358.758	+0.203	G358.758+0.203	0.253	21.0	5.30	5.55	1.05	46.63	B1	0.70	0.16	51.20	3648.6	−0.34 ± 0.15
24	1150	358.824	+0.084	G358.824+0.084	0.529	19.6	10.30	77.50	7.52	47.77	O9.5	1.90	0.50	42.36	6822.8	−
25	451	358.753	+0.053	G358.753+0.053	0.539	15.2	8.17	24.90	3.05	47.28	B0.5	1.19	0.29	48.45	5589.6	−
26	111	358.789	−0.020	G358.789–0.020	0.535	13.0	6.91	6.56	0.95	46.70	B1	0.59	0.12	71.16	5983.3	+0.28 ± 0.28
29	86	358.822	+0.000	G358.822+0.000	0.539	11.6	6.23	5.02	0.81	46.58	B1	0.52	0.10	75.38	5909.7	−0.09 ± 0.23
30	98	358.773	+0.031	G358.773+0.031	0.554	10.7	5.87	5.68	0.97	46.64	B1	0.55	0.11	72.70	5867.8	−0.17 ± 0.25
31	184	358.595	+0.101	G358.595+0.101	0.431	10.6	4.52	7.81	1.73	46.78	B1	0.76	0.18	53.15	4297.2	+0.13 ± 0.38
33	168	358.466	+0.064	G358.466+0.064	0.848	9.2	7.78	12.60	1.62	46.98	B1	0.73	0.14	72.28	7593.1	−
34	135	358.712	+0.038	G358.712+0.038	0.506	8.6	4.37	6.10	1.40	46.67	B1	0.65	0.14	59.25	4574.6	−
35	733	358.747	−0.154	G358.747–0.154	0.301	7.2	2.52	19.10	7.58	47.16	B0.5	1.52	0.48	29.48	2638.1	−
37	236	358.905	+0.029	G358.905+0.029	0.545	6.2	3.79	9.63	2.54	46.87	B1	0.86	0.21	48.97	4131.1	−
40	38	358.561	−0.095	G358.561–0.095	0.556	5.8	3.20	1.54	0.48	46.07	>B1.5	0.35	0.07	77.04	4102.9	−
41	54	358.714	+0.054	G358.714+0.054	0.499	5.6	2.77	1.87	0.68	46.15	B1.5	0.41	0.09	65.23	3505.9	−
43	51	358.804	+0.037	G358.804+0.037	0.574	5.4	3.09	2.01	0.65	46.19	B1.5	0.40	0.08	70.59	3990.1	−
45	70	358.559	−0.061	G358.559–0.061	0.572	5.2	2.97	2.71	0.91	46.32	B1.5	0.47	0.10	64.63	3919.5	−

References. The columns represent the source ID, number of pixels (n_pix), Galactic coordinates (l, b), the source name, rms noise at position of peak pixel ( $σ_{noise}^{p}$ $Mathematical equation: $\[\sigma_{\text {noise}}^{p}\]$$ ), observed SNR, peak surface brightness ( $S_{OBS}^{p}$ $Mathematical equation: $\[\mathrm{S}_{\text {OBS}}^{\mathrm{p}}\]$$ ), flux density derived using the VLA-D 5.8 GHz radio continuum data, Y-factor, Lyman continuum photon rate (N_ly), the spectral type, effective radii of the H II regions (R_H II), the dynamical age (t_dyn), electron number density (n_e), emission measure (EM) and the in-band spectral index value.

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