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Detection of anhydrous hydrochloric acid, HCl, in IRC+10216 with the Herschel SPIRE and PACS spectrometers Detection of HCI in IRC+10216
Vise andre og tillknytning
2010 (engelsk)Inngår i: Astronomy and Astrophysics, ISSN 0004-6361, E-ISSN 1432-0746, Vol. 518, s. L136-Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

We report on the detection of anhydrous hydrochloric acid (hydrogen chlorine, HCl) in the carbon-rich star IRC+10216 using the spectroscopic facilities onboard the Herschel satellite. Lines from J = 1-0 up to J = 7-6 have been detected. From the observed intensities, we conclude that HCl is produced in the innermost layers of the circumstellar envelope with an abundance relative to H-2 of 5 x 10(-8) and extends until the molecules reach its photodissociation zone. Upper limits to the column densities of AlH, MgH, CaH, CuH, KH, NaH, FeH, and other diatomic hydrides have also been obtained.

sted, utgiver, år, opplag, sider
2010. Vol. 518, s. L136-
Emneord [en]
stars: individual: IRC+10216, stars: carbon, astrochemistry, line: identification, stars: AGB and post-AGB
Identifikatorer
URN: urn:nbn:se:su:diva-51698DOI: 10.1051/0004-6361/201014553ISI: 000281527200137OAI: oai:DiVA.org:su-51698DiVA, id: diva2:385722
Merknad
authorCount :35Tilgjengelig fra: 2011-01-12 Laget: 2011-01-12 Sist oppdatert: 2017-12-11bibliografisk kontrollert

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