1996A&A...313L...1M

Query : 1996A&A...313L...1M

1996A&A...313L...1M - Astronomy and Astrophysics, volume 313, L1-4 (1996/9-1)

Interstellar 36S: a probe of s-process nucleosynthesis.

MAUERSBERGER R., HENKEL C., LANGER N. and CHIN Y.-N.

Abstract (from CDS):

The first detection of a 36S-bearing molecule in interstellar space is reported. The J=2-1 and 3-2 transition of C36S have been observed toward eight Galactic molecular hot cores. From a comparison with other optically thin isotopic species of CS, the abundance ratio of 34S/36S is 115(±17). This is smaller than the solar system ration of 200 and supports the idea that 36S is, unlike the other stable sulfur isotopes, a purely secondary nucleus that is produced by s-process nucleosynthesis in massive stars.

Abstract Copyright: ∼

Journal keyword(s): nuclear reactions, nucleosynthesis, abundances - ISM: abundances - ISM: molecules - Galaxy: abundances

CDS comments: Table 1 : IRAS 15491 = IRAS 15492-5426

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 NAME W 3 OH HII 02 27 04.1 +61 52 22           ~ 1028 2
2 NAME Orion-KL SFR 05 35 14.16 -05 22 21.5           ~ 2294 1
3 RCW 97 HII 15 53 05.0 -54 35 24           ~ 157 0
4 IRAS 15520-5234 HII 15 55 48.336 -52 43 10.20           ~ 46 1
5 IRAS 16172-5028 HII 16 21 00.4 -50 35 21           ~ 40 0
6 NGC 6334A HII 17 20 19.3 -35 54 55           ~ 121 0
7 [KRL2007b] 236 AGN 17 20 21.81 -35 52 48.2           ~ 110 0
8 NAME W 51 Main reg 19 23 43.8 +14 30 37           ~ 143 0

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