Extended emission of D2H+ in a prestellar core | Astronomy & Astrophysics (A&A)

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This article has an erratum: [https://doi.org/10.1051/0004-6361/201015475e]

Table 1

Observational results.

Species	Position	Pixel	dv	v _lsr	Δ v	T _a,peak ^*	[Δ v] _deconv	S ^*	dv / S
	EQ offsets		(mK km s^-1)	(km s^-1)	(km s^-1)	(K)	(km s^-1)	(mJy/beam)	(K km s^-1/[Jy/beam])

o-H₂D⁺	(0′′, 0′′)	1	180 ± 20	4.23 ± 0.04	0.51 ± 0.07	0.33	0.49

p-D₂H⁺	(0′′, 0′′)	1	47 ± 8	4.30 ± 0.03	0.35 ± 0.06	0.13	0.34	628 ± 60	0.076 ± 0.015
	(9.5′′, −17′′)	2	49 ± 8	4.26 ± 0.04	0.42 ± 0.09	0.11	0.41	468 ± 60	0.106 ± 0.022
	(19.5′′, −1′′)	3	27 ± 10	4.16 ± 0.05	0.31 ± 0.10	0.08	0.30	404 ± 60	0.068 ± 0.027
	(10′′, 16′′)	4	44 ± 11	4.23 ± 0.05	0.41 ± 0.12	0.10	0.40	616 ± 60	0.072 ± 0.019
	(−9.5′′, 17.0′′)	5	<30	–	–	–	–	343 ± 60	<0.087
	(−19.5′′, 1′′)	6	<20	–	–	–	–	211 ± 60	<0.095
	(−10′′, −16.3′′)	7	<20	–	–	–	–	179 ± 60	<0.112

Notes.

^(*)

S is the peak flux density in the 850 μm SCUBA map at the center of each CHAMP⁺ pixel. It is in units of mJy/14′′−JCMT beam. The noise in the map is 60 mJy/beam. The error bars are all 1σ, and the upper limits 3σ.

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