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Table 2

Results of the CLASS HFS fit on the observed spectral profile of the 15N-bearing dyazenilium isotopologues observed towards L1544.

Line Rest frequencya A coefficientb v LSR c Δvd
(MHz) 105 s-1 (km s-1) (mK km s-1) (km s-1)

N15NH+ (1−0) 91 205.6945 3.19(32) 7.299(14) 21.4(22) 0.507(43)
 (1−0) 90 263.8354 3.42(35) 7.203(10) 18.3(13) 0.409(21)

Notes.Numbers in parentheses refer to 1σ uncertainties in units of the last quoted digit.

(b)

Calculated through Eq. (5) of Dore et al. (2009) and using the data of the same paper.

(c)

Integrated intensity summed over all the components.

(d)

Gaussian FWHM. Assumed equal for all the components.

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