254 citations · 833 across the 14 of their papers we have counts for
11 papers
Multi-frequency high spectral resolution observations of HCN toward the circumstellar envelope of Y CVn
J. P. Fonfría, E. J. Montiel, J. Cernicharo +7
High spectral resolution observations toward the low mass-loss rate C-rich, J-type AGB star Y CVn have been carried out at 7.5, 13.1 and 14.0 um with SOFIA/EXES and IRTF/TEXES. Aro…
Carbon chemistry in IRC+10216: Infrared detection of diacetylene
J. P. Fonfría, M. Agúndez, J. Cernicharo +2
We present the detection of C4H2 for first time in the envelope of the C-rich AGB star IRC+10216 based on high spectral resolution mid-IR observations carried out with the Texas Ec…
The abundance of C2H4 in the circumstellar envelope of IRC+10216
J. P. Fonfria, K. H. Hinkle, J. Cernicharo +3
High spectral resolution mid-IR observations of ethylene (C2H4) towards the AGB star IRC+10216 were obtained using the Texas Echelon Cross Echelle Spectrograph (TEXES) at the NASA…
The abundance of 28Si32S, 29Si32S, 28Si34S, and 30Si32S in the inner layers of the envelope of IRC+10216
J. P. Fonfria, J. Cernicharo, M. J. Richter +3
We present high spectral resolution mid-IR observations of SiS towards the C-rich AGB star IRC+10216 carried out with the Texas Echelon-cross-Echelle Spectrograph mounted on the NA…
Fluorine in the solar neighborhood - is it all produced in AGB-stars?
H. Jönsson, N. Ryde, G. M. Harper +2
The origin of 'cosmic' fluorine is uncertain, but there are three proposed production sites/mechanisms: AGB stars, nucleosynthesis in Type II supernovae, and/or the winds of Wo…
The abundances of polyacetylenes towards CRL618
J. P. Fonfría, J. Cernicharo, M. J. Richter +1
We present a mid-infrared high spectral resolution spectrum of CRL618 in the frequency ranges 778-784 and 1227-1249 cm^-1 (8.01-8.15 and 12.75-12.85 um) taken with the Texas Echelo…