Cernicharo, J;
Barlow, MJ;
Gonzalez-Alfonso, E;
Cox, P;
Clegg, PE;
Nguyen-Q-Rieu;
Omont, A;
... Trams, N; + view all
(1996)
The ISO/LWS far infrared spectrum of IRC+10216.
Astronomy & Astrophysics
, 315
(2)
L201-L204.
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Abstract
We present an ISO Long Wavelength Spectrometer (LWS) grating spectrum of the carbon-rich circumstellar envelope -CSE- of IRC+10216 between 43 and 197μm. The spectrum consists of strong dust emission plus a forest of emission lines from CO, HCN, H^13^CN and vibrationally excited HCN (ν_2_=1^1^,2^0,2^ and ν_1,3_=1). All the CO lines between J=14-13 and J=39-38 have been detected while lines of HCN with J_u_ as high as 48 have also been observed. The molecular emission arises from the warm and dense gas located in the innermost zone of the CSE. The CO and HCN emission can be easily explained if the vibrational and rotational temperatures are around 700-1500 K. We also report the tentative detection of the bending mode of the C_3_ molecule around 62cm^-1^ (157.2μm).
| Type: | Article |
|---|---|
| Title: | The ISO/LWS far infrared spectrum of IRC+10216 |
| Open access status: | An open access version is available from UCL Discovery |
| Publisher version: | https://ui.adsabs.harvard.edu/abs/1996A%26A...315L... |
| Language: | English |
| Additional information: | This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions. |
| Keywords: | stars: AGB and post AGB; stars: individual: IRC+10216; stars: circumstellar matter; infrared: stars |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10095244 |
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