Table 1.

Parameters of the observed lines.

					Low spatial resolution		High spatial resolution
Molecule	Trans.	Freq (MHz)	Eup (K)	Sij	Beam	P.A.(°)	Beam	P.A.(°)
NaCN	61,6–51,5	90394.38	17.6	5.83237	$3_{\cdot }^{″}9\times 2_{\cdot }^{″}7$	89.9	$0_{\cdot }^{″}8\times 0_{\cdot }^{″}6$	39.2
NaCN	60,6–50,5	93206.09	15.7	5.99388	$4_{\cdot }^{″}3\times 2_{\cdot }^{″}7$	72.1	$0_{\cdot }^{″}6\times 0_{\cdot }^{″}6$	15.2
NaCN	62,4–52,3	94334.80	25.4	5.33293	$4_{\cdot }^{″}3\times 2_{\cdot }^{″}6$	72.4	$0_{\cdot }^{″}6\times 0_{\cdot }^{″}6$	40.4
NaCN	61,5–51,4	96959.81	18.7	5.83223	$3_{\cdot }^{″}9\times 2_{\cdot }^{″}6$	92.7	$0_{\cdot }^{″}8\times 0_{\cdot }^{″}7$	20.0
NaCN	91,8–81,7	145075.57	37.3	8.88452	$1_{\cdot }^{″}4\times 1_{\cdot }^{″}1$*	52.4
NaCN	102,8–92,7	158616.77	51.2	9.59903	$1_{\cdot }^{″}3\times 1_{\cdot }^{″}0$*	65.1
NaCl	7 – 6	91169.88261	17.5	7.0	–	–	$0_{\cdot }^{″}8\times 0_{\cdot }^{″}6$	38.8
CH3CN	63 – 53	110364.35314	82.8	9.0	–	–	$0_{\cdot }^{″}8\times 0_{\cdot }^{″}7$	39.1
CH3CN	60 – 50	110383.49871	18.5	6.0	–	–	$0_{\cdot }^{″}8\times 0_{\cdot }^{″}7$	38.9

High spatial resolution: short-spacing and ALMA compact data merged. Low spatial resolution: short-spacing and ALMA compact and extended data merged.

^*only ALMA visibilities.