Feedback in W49A diagnosed with radio recombination lines and models

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Table 2

Datasets used in this work.

Data	Frequency	Angular res.	Spectral res.	Noise	Survey	Reference
	(GHz)		(km s−1)
Stacked RRLs (H151α-H156α; H158α)	1.780^a	16.′′8 × 13.′′8	5	σ(F) ~ 1.5 mJy beam−1	THOR^b	This work
¹³CO(3–2)	330.587	15′′	0.5	σ(T_A) ~ 0.6 K	CHIMPS^c	Rigby et al. (2016)
C¹⁸O(3–2)	329.331	15′′	0.5	σ(T_A) ~ 0.8 K	CHIMPS^c	Rigby et al. (2016)
¹³CO(1–0)	110.201	46′′	0.2	σ(T_A) ~ 0.1 K	GRS^d	Jackson et al. (2006)

Notes. ^(a) Mean frequency of all lines. ^(b) The H I/OH/Recombination line survey of the inner Milky Way. ^(c)The ¹³CO/C¹⁸O (J = 3 →2) Heterodyne Inner Milky Way Plane Survey. ^(d)The Galactic Ring Survey.

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