The Cygnus Allscale Survey of Chemistry and Dynamical Environments: CASCADE - IV. Unveiling the hidden structures in DR18

Home

All issues

Volume 694 (February 2025)

A&A, 694 (2025) A30

Full HTML

Open Access

Table 3

Summary of the extracted N₂H⁺ cores and physical properties.

Cores	RA (J2000)	Dec (J2000)	θ_core	R_core	$v_{N_{2} H^{+}}$ ${\v _{{{\rm{N}}_2}{{\rm{H}}^ + }}}$	$Δ v_{N_{2} H^{+}}$ ${\rm{\Delta }}{\v _{{{\rm{N}}_2}{{\rm{H}}^ + }}}$	T_ex	N(N₂H⁺)^a	T_HCN/HNC	N(N₂H⁺)^b	M_core	M_vir	α_vir
	(hh:mm:ss)	(dd:mm:ss)	_(″)	(pc)	(km s⁻¹)	(km s⁻¹)	(K)	(10¹³ cm⁻²)	(K)	(10¹³ cm⁻²)	(M_⊙)	(M_⊙)
C1	20:35:07.60	+41:12:35.76	5.98	0.020	7.4	0.9	26	2.45	19	2.73	1.72	3.40	2.0
C2	20:35:13.77	+41:12:36.90	3.66	0.012	10.7	0.8	15	1.16	27	2.11	0.29	1.61	5.5
C3	20:35:13.33	+41:12:43.25	5.59	0.019	10.4	0.9	25	1.12	29	1.60	0.71	3.23	4.5
C4	20:35:09.42	+41:12:50.77	6.12	0.021	8.4	0.9	26	1.87	17	1.76	1.45	3.57	2.5
C5	20:35:08.67	+41:12:54.95	8.51	0.029	8.3	0.9	28	3.15	18	3.44	4.66	4.93	1.1
C6	20:35:10.66	+41:13:06.86	16.41	0.056	8.5	1.1	19	2.56	22	3.62	14.12	14.23	1.0
C7	20:35:09.08	+41:13:02.40	3.10	0.011	8.2	1.1	21	2.23	22	2.99	0.47	2.8	5.9
C8	20:35:10.74	+41:13:25.48	10.73	0.036	8.8	1.1	20	2.69	23	3.81	6.13	9.15	1.5
C9	20:35:09.39	+41:13:24.59	5.45	0.018	8.0	1.1	22	1.23	21	1.52	0.70	4.57	6.5
C10	20:35:09.71	+41:13:44.15	8.36	0.028	8.6	1.0	20	2.64	17	3.04	3.64	5.88	1.6
C11	20:35:08.89	+41:13:42.15	5.17	0.018	8.8	0.9	23	3.16	19	3.56	1.80	3.06	1.7
C12	20:35:12.34	+41:13:47.83	5.43	0.018	7.7	1.0	24	0.96	24	1.23	0.55	3.78	6.9
C13	20:35:08.42	+41:13:50.27	9.73	0.033	8.6	1.1	20	4.93	16	6.07	9.44	8.39	0.9
C14	20:35:09.34	+41:13:53.28	4.27	0.015	8.5	0.9	27	1.53	23	1.66	0.61	2.55	4.2
C15	20:35:07.47	+41:14:01.69	13.51	0.046	8.5	1.2	17	5.90	15	7.95	21.96	13.91	0.6
C16	20:35:11.16	+41:13:58.54	9.58	0.032	8.4	0.8	30	1.99	17	1.61	3.58	4.3	1.2
C17	20:35:11.37	+41:14:12.11	4.06	0.014	8.7	0.8	24	1.28	19	1.30	0.44	1.88	4.3
C18	20:35:07.15	+41:14:21.94	6.04	0.021	9.6	0.9	20	1.98	25	2.95	1.54	3.57	2.3

Notes. θ_core is the angular diameter of a core and estimated from the area of the astrodendro leaf. Heree, N(N₂H⁺)^a is the N₂H⁺ column density derived with the fitted N₂H⁺ excitation temperature, while N(N₂H⁺)^b is obtained with the fixed temperature using T_HCN/HNC.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.