Erosion of a dense molecular core by a strong outflow from a massive protostar

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Volume 695 (March 2025)

A&A, 695 (2025) A236

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Table 1

Spectral lines.

Transition	ν_rest	E_up	Synthesized beam		δv	rms

	(GHz)	(K)	(arcsec×arcsec)	(deg)	(km s⁻¹)	(mJy beam⁻¹)
CH₃CN (5–4) K=3	91.971153	77.6	$1_{\cdot}^{''} 3 \times 1_{\cdot}^{''} 2$ $\[1^{\prime\prime}_\cdot3 \times 1^{\prime\prime}_\cdot2\]$	71	0.8	1.2
CH₃CN (5–4) K=2	91.980087	41.8	$1_{\cdot}^{''} 3 \times 1_{\cdot}^{''} 2$ $\[1^{\prime\prime}_\cdot3 \times 1^{\prime\prime}_\cdot2\]$	71	0.8	1.2
CH₃CN (5–4) K=1	91.985304	20.4	$1_{\cdot}^{''} 3 \times 1_{\cdot}^{''} 2$ $\[1^{\prime\prime}_\cdot3 \times 1^{\prime\prime}_\cdot2\]$	71	0.8	1.2
CH₃CN (5–4) K=0	91.987088	13.2	$1_{\cdot}^{''} 3 \times 1_{\cdot}^{''} 2$ $\[1^{\prime\prime}_\cdot3 \times 1^{\prime\prime}_\cdot2\]$	71	0.8	1.2

N₂H⁺ (1–0)	93.173398	4.5	$1_{\cdot}^{''} 3 \times 1_{\cdot}^{''} 2$ $\[1^{\prime\prime}_\cdot3 \times 1^{\prime\prime}_\cdot2\]$	71	0.8	1.2

H₂CO (4_1,3−3_1,2)	300.836635	47.9	$0_{\cdot}^{''} 18 \times 0_{\cdot}^{''} 13$ $\[0^{\prime\prime}_\cdot18 \times 0^{\prime\prime}_\cdot13\]$	80	0.5	2.1

Notes. The quoted rest frequencies have been extracted from the Cologne Database for Molecular Spectroscopy (CDMS; Müller et al. 2005), using the online port Splatalogue (Remijan et al. 2007) at https://splatalogue.online/#/home. The rest frequency for the N₂H⁺ (1–0) multiplet is the average (weighted by the relative strengths of the hyperfine components) as it appears in the CDMS catalog. The rest frequency of the isolated hyperfine line, N₂H⁺ (1,0,1–0,1,2), used to build the moment 1 and 2 images is 93.1762595 GHz.

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