Acetone in Orion BN/KL - High-resolution maps of a special oxygen-bearing molecule

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Table 4

Characteristics of different molecules in Orion BN/KL.

Species	Example	Distribution	Main peak^a						Feature

S-bearing	CS	whole	CS-1	CS-5	CS-6	CS-3	CS-4^b	CS-4^b	both N- and O-bearing features
N-bearing	NH₃, C₂H₅CN	north	HC	IRc7	KL-W	...	...	...	higher T and broader ΔV
O-bearing	(CH₃)₂CO	north	HC	Ace-2	Ace-3	Ace-1	...	...	higher T and broader ΔV
	HCOOCH₃, (CH₃)₂O	south	...	...	MF-5	MF-2	MF-1	MF-3	lower T and narrower ΔV
	CH₂DOH, CH₃OD	south	...	...	KL-W	dM-1	dM-3	dM-2	lower T and narrower ΔV

Notes.

^(a)

The strongest peaks of different molecules. Orion KL-W is close to IRc6 and MF-1 is close to IRc4.

^(b)

CS-4 is located between MF-1 and MF-3 but closer to MF-3.

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