TY  - JOUR
AU  - Sánchez Contreras, C.
AU  - Sahai, R.
AU  - Gil De Paz, Armando
AU  - Goodrich, R.
PY  - 2008
DO  - 10.1086/591273
SN  - 0067-0049
UR  - https://hdl.handle.net/20.500.14352/51743
T2  - Astrophysical journal supplement series
AB  - We present echelle long-slit optical spectra of a sample of objects evolving off the asymptotic giant branch (AGB), most of them in the preplanetary nebula (PPN) phase, obtained with the ESI and MIKE spectrographs at the 10 m Keck II and 6.5 m...
LA  - eng
M2  - 166
PB  - University Chicago Press
KW  - Post-agb stars
KW  - High-resolution spectroscopy
KW  - Planetary-nebula candidates
KW  - Asymptotic giant branch
KW  - Protoplanetary nebula
KW  - Circumstellar envelopes
KW  - Preplanetary nebula
KW  - Iras 04296+3429
KW  - Line emission
KW  - Dust shell
TI  - Echelle long-slit optical spectroscopy of evolved stars
TY  - journal article
VL  - 179
ER  -