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| DC Field | Value | Language |
|---|---|---|
| dc.creator | Cernicharo, José | - |
| dc.creator | Guélin, Michel | - |
| dc.creator | Pardo Carrión, Juan Ramón | - |
| dc.date | 2007-12-28T10:55:09Z | - |
| dc.date | 2007-12-28T10:55:09Z | - |
| dc.date | 2004-10-27 | - |
| dc.date.accessioned | 2017-01-31T00:59:34Z | - |
| dc.date.available | 2017-01-31T00:59:34Z | - |
| dc.identifier | arXiv:astro-ph/0410657v1 | - |
| dc.identifier | The Astrophysical Journal Letters, 615:L145–L148, 2004 November 10 | - |
| dc.identifier | 1538-4357 | - |
| dc.identifier | http://hdl.handle.net/10261/2628 | - |
| dc.identifier | 10.1086/426439 | - |
| dc.identifier.uri | http://dspace.mediu.edu.my:8181/xmlui/handle/10261/2628 | - |
| dc.description | We report the detection of the linear radical HC4N in the C-rich envelope of IRC+10216. After HCCN, HC4N is the second member of the allenic chain family HC_(2n)N observed in space. The column density of HC4N is found to be 1.5 10**12 cm**(-2). The abundance ratio HC2N/HC4N is 9, a factor of two larger than the decrement observed for the cyanopolyynes HC$_(2n+1)N/HC_(2n+3)N. Linear HC_4N has a 3-Sigma electronic ground state and is one of the 3 low-energy isomeric forms of this molecule. We have searched for the bent and ringed HC4N isomers, but could only derive an upper limit to their column densities of about 3 10**(12) cm**(-2). | - |
| dc.description | null | - |
| dc.description | Peer reviewed | - |
| dc.format | 279018 bytes | - |
| dc.format | application/pdf | - |
| dc.language | eng | - |
| dc.publisher | American Astronomical Society | - |
| dc.relation | Preprint | - |
| dc.rights | openAccess | - |
| dc.subject | Astrochemistry | - |
| dc.subject | Stars: AGB and post‐AGB | - |
| dc.subject | Line: identification | - |
| dc.subject | ISM: molecules | - |
| dc.subject | Stars: individual (IRC +10216) | - |
| dc.title | Detection of the linear radical HC4N in IRC+10216 | - |
| dc.type | Pre-print | - |
| Appears in Collections: | Digital Csic | |
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