Abstract
We report on the detection of anhydrous hydrochloric acid (hydrogen chlorine, HCl) in the carbon-rich star IRCâ+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 5 $\times$ 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.
| Original language | English (Ireland) |
|---|---|
| Journal | Astronomy and Astrophysics |
| Volume | 518 |
| Publication status | Published - 1 Jan 2010 |
Authors (Note for portal: view the doc link for the full list of authors)
- Authors
- J. Cernicharo and L. Decin and M. J. Barlow and M. Ag\'undez and P. Royer and B. Vandenbussche and R. Wesson and E. T. Polehampton and E. De Beck and J. A. D. L. Blommaert and F. Daniel and W. De Meester and K. M. Exter and H. Feuchtgruber and Walter Kieran Gear and J. R. Goicoechea and Haley Louise Gomez and M. A. T. Groenewegen and Peter Charles Hargrave and R. Huygen and P. Imhof and R. J. Ivison and C. Jean and F. Kerschbaum and S. J. Leeks and T. L. Lim and Mikako Matsuura and G. Olofsson and T. Posch and S. Regibo and G. Savini and B. Sibthorpe and B. M. Swinyard and B. Vandenbussche and C. Waelkens