Signatures of UV radiation in low-mass protostars - I. Origin of HCN and CN emission in the Serpens Main region

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Volume 656 (December 2021)

A&A, 656 (2021) A146

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Table D.2

Integrated fluxes and level-specific column densities at the positions of protostars.

Line		SMM1	SMM2	SMM3	SMM4	SMM5	SMM6	SMM8	SMM9	SMM10	SMM12
CN 1-0	∫ T_mb dV	6.3 ± 0.9	8.5 ± 1.3	12.2 ± 1.8	10.2 ± 1.5	2.7 ± 0.4	10.6 ± 1.6	3.0 ± 0.5	4.9 ± 0.8	3.0 ± 0.5	10.1 ± 1.5
	(K km s⁻¹)
	T_peak (K)	0.89 ± 0.03	1.92 ± 0.04	3.42 ± 0.03	1.90 ± 0.03	0.94 ± 0.04	3.17 ± 0.03	0.94 ± 0.13	0.84 ± 0.04	0.78 ± 0.03	1.85 ± 0.03
	N_up (cm⁻²)	1.30(±0.07) ×10¹³	1.74(±0.09) ×10¹³	2.50(±0.13) ×10¹³	2.11(±0.11) ×10¹³	5.17(±0.03) ×10¹²	2.21(±0.11) ×10¹³	6.22(±0.04) ×10¹²	1.00(±0.05) ×10¹³	6.25(±0.03) ×10¹²	2.08(±0.10)×10¹³

HCN 1-0	∫ T_mb dV	10.3 ± 1.6	13.1 ± 1.9	14.4 ± 2.2	21.7 ± 3.0	4.0 ± 0.8	13.1 ± 1.9	6.8 ± 1.1	20.7 ± 3.1	7.3 ± 1.1	14.2 ± 2.2
	(K km s⁻¹)
	T_peak (K)	1.76 ± 0.04	3.48 ± 0.03	4.95 ± 0.03	4.69 ± 0.03	1.72 ± 0.04	5.15 ± 0.03	1.72 ± 0.04	2.40 ± 0.05	1.75 ± 0.03	3.50 ± 0.04
	N_up (cm⁻²)	6.49(±0.33) ×10¹²	8.26(±0.40) ×10¹²	9.17(±0.47) ×10¹²	1.35(±0.06) ×10¹³	2.58(±0.16) ×10¹²	8.29(±0.40) ×10¹²	4.33(±0.23) ×10¹²	1.28(±0.05) ×10¹³	4.58(±0.23) ×10¹²	9.07(±0.46) ×10¹²

CS 3-2	∫ T_mb dV	5.9 ± 1.1	8.6 ± 1.4	8.3 ± 1.6	14.8 ± 3.1	2.6 ± 0.5	8.5 ± 1.3	4.5 ± 0.7	12.4 ± 2.5	3.6 ± 0.8	9.9 ± 1.5
	(K km s⁻¹)
	T_peak (K)	1.57 ± 0.05	3.10 ± 0.06	2.90 ± 0.06	4.30 ± 0.06	1.48 ± 0.06	3.2 ± 0.05	2.08 ± 0.05	2.70 ± 0.07	1.43 ± 0.05	3.26 ± 0.04
	N_up (cm⁻²)	4.06(±0.11) ×10¹²	5.88(±0.14) ×10¹²	5.72(±0.15) ×10¹²	1.17(±0.03) ×10¹³	1.87(±0.05) ×10¹²	5.86(±0.13) ×10¹²	3.07(±0.07) ×10¹²	8.59(±0.24) ×10¹²	2.47(±0.08) ×10¹²	6.83(±0.15) ×10¹²

C³⁴ S 3-2	∫ T_mb dV	1.3 ± 0.3	0.9 ± 0.2	0.5 ± 0.1	1.5 ± 0.3	0.3 ± 0.1	0.8 ± 0.2	0.3 ± 0.1	1.8 ± 0.3	0.4 ± 0.1	0.6 ± 0.1
	(K km s⁻¹)
	T_peak (K)	0.56 ± 0.05	0.47 ± 0.04	0.36 ± 0.04	0.64 ± 0.05	0.42 ± 0.05	0.56 ± 0.03	0.35 ± 0.05	0.62 ± 0.04	0.40 ± 0.04	0.42 ± 0.05
	N_up (cm⁻²)	7.03(±0.20) ×10¹¹	4.75(±0.14) ×10¹¹	2.73(±0.10) ×10¹¹	8.29(±0.22) ×10¹¹	1.83(±0.08) ×10¹¹	4.23(±0.12) ×10¹¹	1.41(±0.07) ×10¹¹	1.02(±0.03) ×10¹²	2.16(±0.10) ×10¹¹	3.17(±0.10) ×10¹¹

H¹³ CN 1-0	∫ T_mb dV	1.6 ± 0.2	1.5 ± 0.2	0.6 ± 0.1	1.6 ± 0.3	0.8 ± 0.1	0.9 ± 0.1	0.1 ± 0.1	2.4 ± 0.3	1.0 ± 0.2	1.6 ± 0.3
	(K km s⁻¹)
	T_peak (K)	0.45 ± 0.02	0.64 ± 0.02	0.41 ± 0.03	0.61 ± 0.03	0.42 ± 0.04	0.40 ± 0.02	0.21 ± 0.02	0.38 ± 0.03	0.45 ± 0.04	0.46 ± 0.03
	N_up (cm⁻²)	3.32(±0.17) ×10¹¹	3.08(±0.15) ×10¹¹	1.21(±0.08) ×10¹¹	3.41(±0.18) ×10¹¹	1.63(±0.10) ×10¹¹	1.82(±0.08) ×10¹¹	2.93(±0.37) ×10¹⁰	5.01(±0.22) ×10¹¹	2.17(±0.13) ×10¹¹	3.43(±0.18) ×10¹¹

CO 6-5	∫ T_mb dV	75.6 ± 11.6	22.7 ± 3.7	52.5 ± 8.1	94.0 ± 14.3	13.1 ± 2.2	29.6 ± 4.6	-	36.2 ± 5.6	24.3 ± 3.9	17.3 ± 2.8
	(K km s⁻¹)
	T_peak (K)	9.76 ± 0.18	4.04 ± 0.23	6.44 ± 0.17	15.61 ± 0.21	2.97 ± 0.17	5.33 ± 0.15	-	5.29 ± 0.12	3.76 ± 0.17	3.73 ± 0.18
	N_up (cm⁻²)	3.28(±0.04) ×10¹⁵	9.83(±0.12) ×10¹⁴	2.27(±0.03) ×10¹⁵	4.07(±0.05) ×10¹⁵	5.69(±0.07) ×10¹⁴	1.28(±0.02) ×10¹⁵	-	1.57(±0.02) ×10¹⁵	1.07(±0.01) ×10¹⁵	7.49(±0.09) ×10¹⁵

Notes. Calibration uncertainty of 15% of the flux is included.

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