Laboratory measurements and astronomical search for the HSO radical

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Table 3

Column density ratios.


Source	N(H₂CS)/	N(CH₃SH)/	N(H₂S)/	N(SO)/	N(SO₂)/	N(CS)/	N(OCS)/
	N(HSO)	N(HSO)	N(HSO)	N(HSO)	N(HSO)	N(HSO)	N(HSO)


Orion KL (IRAM 30 m)	≥10^a	≥50^b	≥5000^c	≥100^d	≥1500^d	≥100^a	≥250^a
Sgr B2(N) (Hot gas; ~64 km s^-1 comp.)	≥4^e	≥0.5^f	≥10^g	≥10^e	≥10^e	≥4^g	≥3^f
Sgr B2(N) (Hot gas; ~73 km s^-1 comp.)	≥40^e	≥2^f	...	≥35^e	≥100^e	...	≥8^f
Sgr B2(N) (Hot gas; ~52 km s^-1 comp.)	...	...	≥6^g	≥20^g	≥60^e	...	...
Sgr B2(N) (Cold gas; ~64 km s^-1 comp.)	...	...	...	≥30^h	≥16^h	...	...
B1-b	≥12ⁱ	≥1.6^j	...	...	...	...	...

Notes.

^(a)

Hot core component (d_sou = 10′′, v_FWHM = 10 km s^-1) column densities derived by Tercero et al. (2010).

^(b)

Hot core component (d_sou = 10′′, v_FWHM = 7 km s^-1) column density derived by Kolesniková et al. (2014).

^(c)

Hot core component (d_sou = 6′′, v_FWHM = 8.6 km s^-1) column density derived by Crockett et al. (2014).

^(d)

Hot core component (d_sou = 10′′, v_FWHM = 10 km s^-1) column densities derived by Esplugues et al. (2013).

^(e)

Hot component (d_sou = 2−3′′, v_FWHM = 7−10 km s^-1) column densities derived by Belloche et al. (2013).

^(f)

Warm (60 K) component (d_sou = 5−8′′, v_FWHM = 6−8 km s^-1) column densities derived by Belloche et al. (2013).

^(g)

Hot component (d_sou = 3-5′′, v_FWHM = 12−15 km s^-1) column densities derived by Belloche et al. (2013).

^(h)

Cold component (d_sou = 30′′, v_FWHM = 12−14 km s^-1) column densities derived by Belloche et al. (2013).

⁽ⁱ⁾

Marcelino et al. (2005).

^(j)

Cernicharo et al. (2012).

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