Cyanopolyyne line survey towards high-mass star-forming regions with TMRT

Open Access

Table 1

Summary of target lines.

Species (1)	Transition (2)	Frequency (MHz) (3)	S µ² (Debye²) (4)	E_u/k (K) (5)	HPBW (″) (6)
HC₃N	J = 2−1, F = 2−2	18 194.92	2.32	1.3	52
	J = 2−1, F = 1−0	18 195.14	3.09	1.3	52
	J = 2−1, F = 2−1	18 196.22	6.96	1.3	52
	J = 2−1, F = 3−2	18 196.31	13.00	1.3	52
	J = 2−1, F = 1−2	18 197.08	0.18	1.3	52
	J = 2−1, F = 1−1	18 198.38	2.32	1.3	52
HC₅N	J = 6−5	15 975.93	337.45	2.68	60
HC₇N	J= 15−14	16919.98	1045.44	6.50	56

Notes. (1): Molecular species; (2): Transition; (3): Rest frequency; (4–5): The product of the line strength and the square of the electric dipole moment and the upper level energy in K, which are taken from CDMS; (6): Half power beam width.

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.