Nolan Walborn -- R127, The End of an Era ? A Bonus: R129, Pre-WNVL/LBV; and The Two Kinds of Lines in O-Type Spectra Hot Massive Stars…A Lifetime of Influence.

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Presentation transcript:

Nolan Walborn -- R127, The End of an Era ? A Bonus: R129, Pre-WNVL/LBV; and The Two Kinds of Lines in O-Type Spectra Hot Massive Stars…A Lifetime of Influence Lowell Observatory October 13-15, 2008 With help from my friends: Rodolfo Barba, Mariela Corti, Chris Evans, Roberto Gamen, Nidia Morrell, Linda Smith, Nathan Smith, Otmar Stahl, Thomas Szeifert

R127 =

He I N II He I 1975 Si IV N III H-delta

He I N III He II 1975

R127 Echelle 1978

Si III N II [Fe III] He I Fe II

R129 =

R129 VLT/UVES N II N III C III He II He I H-beta He I N II He I

N II N III He I He I+II

N IV in O2 Spectra