Radiolysis of ammonia-containing ices by energetic, heavy, and highly charged ions inside dense astrophysical environments

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Table 1:

Infrared absorption coefficients (band strengths) used in the column density calculations for the observed molecules.
Frequency	Wavelength	Assignment	Band strength (A)	Ref.
(cm^-1)	( $\mu$ m)		(cm molec^-1)
2342	4.27	CO₂^a ( $\nu_3$ )	$7.6 \times 10^{-17}$	[1]
$\sim$ 2234	4.48	N₂O ( $\nu_3$ )	$5.2 \times 10^{-17}$	[2]
$\sim$ 2165	4.62	OCN^- ( $\nu_3$ )	$4 \times 10^{-17}$	[3]
2139	4.67	CO ( $\nu_1$ )	$1.1 \times 10^{-17}$	[4]
$\sim$ 1100	9.09	NH₃ ( $\nu_2$ )	$1.2 \times 10^{-17}$	[5]
$\sim$ 800	12.5	H₂O ( $\nu_L$ )	$2.8 \times 10^{-17}$	[4]

^a CO¹⁸O and C¹⁸O₂ at 2325 and 2309 cm^-1, respectively. [1] Gerakines et al. (1995); [2] Wang et al. (2001); [3] d'Hendecourt & Allamandola (1986); [4] Gibb et al. (2004); [5] Kerkhof et al. (1999).

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