Detection of anhydrous hydrochloric acid, HCl, in IRC+10216 with the Herschel SPIRE and PACS spectrometers

J. Cernicharo , L. Decin , M.J. Barlow , M. Agundez , P. Royer , B. Vandenbussche , R. Wesson , E.T. Polehampton

show 26 more authors

E. De Beck J.A.D.L. Blommaert F. Daniel W. De Meester K.M. Exter H. Feuchtgruber W.K. Gear J.R. Goicoechea H.L. Gomez M.A.T. Groenewegen P.C. Hargrave R. Huygen P. Imhof R.J. Ivison C. Jean F. Kerschbaum S.J. Leeks T.L. Lim M. Matsuura G. Olofsson T. Posch S. Regibo G. Savini B. Sibthorpe B.M. Swinyard C. Waelkens

Authors on Pith no claims yet

classification 🌌 astro-ph.GA

keywords acidanhydrousbeendetectionherschelhydrochloricabundancecarbon-rich

0 comments

read the original abstract

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 H2 of 5x10^-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.

This paper has not been read by Pith yet.

Detection of anhydrous hydrochloric acid, HCl, in IRC+10216 with the Herschel SPIRE and PACS spectrometers

discussion (0)