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

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Table A.2

(CH₃)₂CO measurements toward Ace-2.

Frequency	Transition	T_B	V_LSR	ΔV		Comment
(MHz)	(J_{k_a,k_c})	(K)	(km s^-1)	(km s^-1)	(K km s^-1)

101 297.450	24_13,12 − 24_12,13 EE	0.49 ± 0.05	7.31 ± 1.85	5.55 ± 1.85	3.28 ± 0.50	Partially blended¹
101 426.664	9_1,8 − 8_2,7 AE	1.26 ± 0.05	6.82 ± 1.85	6.29 ± 1.86	8.58 ± 0.40
101 426.759	9_1,8 − 8_2,7 EA
101 427.041	9_2,8 − 8_1,7 AE
101 427.130	9_2,8 − 8_1,7 EA
101 451.059	9_1,8 − 8_2,7 EE	2.51 ± 0.05	6.89 ± 1.85	6.56 ± 1.85	17.44 ± 0.49
101 451.446	9_2,8 − 8_1,7 EE	2.51 ± 0.05	6.89 ± 1.85	6.56 ± 1.85	17.44 ± 0.49
101 475.332	9_1,8 − 8_2,7 AA	1.69 ± 0.05	6.59 ± 1.85	5.55 ± 1.85	8.78 ± 1.49	Partially blended²
101 475.734	9_2,8 − 8_1,7 AA	1.69 ± 0.05	6.59 ± 1.85	5.55 ± 1.85	8.78 ± 1.49	Partially blended²
203 336.247	27_4,23 − 27_3,24 EA	1.78 ± 1.19	8.27 ± 0.92	4.93 ± 0.94	9.35 ± 5.74	Blended³
	27_5,23 − 27_4,24 EA
203 336.291	27_4,23 − 27_4,24 AE
	27_5,23 − 27_3,24 AE
223 512.409	16_8,9 − 15_7,8 EE	<2.5	6.50 ± 0.84	...	<16.0	Possibly blended⁴
223 621.690	16_8,9 − 15_7,8 AA	1.88 ± 0.37	7.16 ± 0.84	2.36 ± 0.86	4.91 ± 0.86	Partially blended⁵
223 684.608	17_6,11 − 16_7,10 EA	<3.1	...	...	<14.4	Blended⁶
223 684.610	17_6,11 − 16_7,10 AE	<3.1	...	...	<14.4	Blended⁶
223 692.004	17_7,11 − 16_6,10 EA	1.99 ± 0.37	8.42 ± 0.84	...	<6.4	Partially Blended⁷
223 692.104	17_7,11 − 16_6,10 AE	1.99 ± 0.37	8.42 ± 0.84	...	<6.4	Partially Blended⁷
223 732.826	12_9,4 − 11_8,4 EE	<0.4	...	...	<1.2	Blended⁸
223 767.585	17_6,11 − 16_7,10 EE	3.50 ± 0.37	8.36 ± 0.84	5.10 ± 0.91	18.94 ± 2.14	Blended⁹
223 775.253	17_7,11 − 16_6,10 EE	4.34 ± 0.37	7.75 ± 0.84	4.54 ± 0.89	21.87 ± 1.98	Possibly blended¹⁰
223 850.417	17_6,11 − 16_7,10 AA	1.58 ± 0.37	7.13 ± 0.84	4.39 ± 0.94	7.85 ± 1.63	Blended¹¹
223 858.308	17_7,11 − 16_6,10 AA	1.58 ± 0.37	7.66 ± 0.84	3.67 ± 0.87	6.06 ± 1.39	Possibly blended¹²
225 744.082	19_4,15 − 18_5,14 EE	2.04 ± 0.46	7.35 ± 0.43	3.71 ± 0.48	8.08 ± 2.99
	19_5,15 − 18_4,14 EE	2.04 ± 0.46	7.35 ± 0.43	3.71 ± 0.48	8.08 ± 2.99
225 811.979	13_9,5 − 12_8,4 EE	0.82 ± 0.29	9.13 ± 0.45	3.00 ± 0.41	2.63 ± 0.59	Possibly blended¹³
228 979.750	12_10,2 − 11_9,2 EA	...	...	...	...	Blended¹⁴
229 033.736	22_1,21 − 21_2,20 AE	<1.2	...	...	<3.6
	22_2,21 − 21_1,20 AE
229 033.771	22_1,21 − 21_1,20 EA
	22_2,21 − 21_2,20 EA
229 041.826	12_10,3 − 11_9,3 EE	<0.9	...	...	<2.7
229 055.797	22_1,21 − 21_2,20 EE	2.70 ± 0.47	8.01 ± 0.45	3.00 ± 0.41	8.62 ± 0.78
	22_1,21 − 21_1,20 EE
	22_2,21 − 21_2,20 EE
	22_2,21 − 21_1,20 EE
229 058.049	14_9,6 − 13_8,5 EE	2.66 ± 0.46	7.72 ± 0.45	3.00 ± 0.41	8.49 ± 0.75
229 077.788	22_1,21 − 21_2,20 AA	1.58 ± 0.16	7.50 ± 0.42	5.18 ± 0.48	8.69 ± 0.65
	22_2,21 − 21_1,20 AA	1.58 ± 0.16	7.50 ± 0.42	5.18 ± 0.48	8.69 ± 0.65

Notes.Acetone spectroscopic data are taken from the JPL database. Upper-state energy E_up/k, effective line strength Sμ², and spin statistical weight g_s are also given.

⁽¹⁾

Partially blended with the NH₂CHO 18_2,16 − 18_2,17 line at 101 293.3 MHz.

⁽²⁾

Partially blended with the H₂CS 3_1,3 − 2_1,2 line at 101 477.8 MHz.

⁽³⁾

Blended with the NH₂CHO 10_1,10 − 9_1,9 line at 203 335.8 MHz.

⁽⁴⁾

Possibly blended with the CH₃CHCN 25_4,22 − 24_4,21 line at 223 512.8 MHz.

⁽⁵⁾

Partially blended with the HCOOCH₃ 37_8,30 − 37_7,31 E line at 223 624.5 MHz.

⁽⁶⁾

Blended with the strong U223680.0 line.

⁽⁷⁾

Partially blended with the U223694.8 line.

⁽⁸⁾

Blended with the U223733.6 line.

⁽⁹⁾

Blended with the U223767.6 line.

⁽¹⁰⁾

Possibly blended with the ¹³CH₃CH₂CN 26_2,25 − 25_2,24 line at 223 773.5 MHz.

⁽¹¹⁾

Blended with the HCOOCH₃ 35_7,29 − 35_6,30 A line at 223 854.2 MHz.

⁽¹²⁾

Possibly blended with the ¹³CH₃CH₂CN 14_2,12 − 13_1,13 line at 223 859.3 MHz, similar to the 223 775.3 MHz (CH₃)₂CO line.

⁽¹³⁾

Possibly blended with the CHCH₂CN 27_2,26 − 27_0,27 line at 225 810.7 MHz.

⁽¹⁴⁾

Blended with the U228979.0 line.

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