TY - JOUR AU - Teyssier, D. AU - Lunar Hernández, María Del Rosario AU - Bujarrabal, V. AU - Yoshida, H. AU - Phillips, T. G. PY - 2006 DO - 10.1051/0004-6361:20053759 SN - 0004-6361 UR - https://hdl.handle.net/20.500.14352/107595 T2 - Astronomy & astrophysics AB - Aims.We present the results of a multi-transition CO observational program conducted on a sample of AGB and post-AGB stars envelopes. We have collected maps and single pointing observations of these envelopes in 5 rotational transitions ranging from J... LA - eng M2 - 167 PB - EDP Sciences KW - stars: AGB and post-AGB KW - stars: circumstellar matter, mass-loss KW - infrared: stars TI - CO line emission from circumstellar envelopes TY - journal article VL - 450 ER -