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Table B.4

Spectroscopic and observational line parameters for CH3NH2.

Freq. Transition Eup A vlsr Tpeak Δv1∕2 W Nup/gup Comments
(GHz) (K) (10−4 s−1) (km s−1) (K) (km s−1) (K km s−1) (1010 cm−2)
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
239.023740 52,0–51,1 48 0.60 ≤3.5 ≤41.2 ≤174.2 B
239.209628 72,2–71,3 76 0.63 ≤2.6 ≤17.3 ≤17.0 B
241.209160 42,1–41,0 37 0.59 ≤4.0 ≤60.0 ≤321.1 B
242.262019 62,3–61,2 61 0.64 ≤0.4 ≤6.2 ≤7.1 B
242.961338 32,0–31,1 29 0.55 ≤0.3 ≤2.4 ≤17.8 ND
244.886901 52,2–51,3 48 0.64 ≤0.3 ≤2.4 ≤3.3 ND

Notes. (1) Frequencies. (2) Transition. (3) Energy of the upper level. (4) Einstein coefficient. (5) LSR velocity. (6) Brightness temperature. (7) Line width at half intensity. (8) Integrated intensities over the line profile. (9) Column densities of the upper state of the transition with respect to the rotational degeneracy. (10) Blended (B) and notdetected (ND) lines are specified.

References. Spectroscopic data parameters come from Shimoda et al. (1954), Lide (1954, 1957), Nishikawa (1957), Takagi & Kojima (1971), Ohashi et al. (1987), Kréglewski & Wlodarczak (1992), Krȩglewski et al. (1992) and Ilyushin et al. (2005) and are available in the JPL catalog (Pickett et al. 1998).

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