TY - GEN AU - Hamuy,Mario AU - Phillips,M M AU - Suntzeff,Nicholas B AU - Maza,José AU - González,L E AU - Roth,Miguel AU - Krisciunas,Kevin AU - Morrell,Nidia AU - Green,E M AU - Persson,S E AU - McCarthy,P J TI - An asymptotic-giant-branch star in the progenitor system of a type Ia supernova SN - 1476-4687 PY - 2003///0825 KW - Astronomical Phenomena KW - Astronomy KW - Evolution, Chemical KW - Extraterrestrial Environment KW - chemistry KW - Gases KW - analysis KW - Hydrogen N1 - Publication Type: Journal Article UR - https://doi.org/10.1038/nature01854 ER -