L1506: a prestellar core in the making | Astronomy & Astrophysics (A&A)

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Table 1:

Telescope settings.
Line	Frequency	Beam size	Sampling
	(MHz)	( $^{\prime \prime }$ )	(kHz)	m s^-1
N₂D⁺ (J:1-0)	77 109.616^a	32	6	23
N₂H⁺ (J:1-0)	93 173.764^a	27	10	32
C¹⁸O (J:1-0)	109 782.176	23	10	27
¹³CO (J:1-0)	110 201.360	23	20	54
C¹⁷O (J:1-0)	112 358.982^b	23	10	27
C¹⁸O (J:2-1)	219 560.358	12	40	54

Notes. ^(a) New frequency for the main $J_{\rm FF\hbox{$^\prime$ }}$ :1 $_{23} \rightarrow$ 0₁₂ hyperfine component from Pagani et al. (2009a).
^(b) $J_{\rm F}$ :1_7/2-0_5/2 transition from Klapper et al. (2003).

Source LaTeX | All tables | In the text

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