Nolan Walborn -- R127, The End of an Era ? A Bonus: R129, Pre-WNVL/LBV; and The Two Kinds of Lines...

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Transcript of Nolan Walborn -- R127, The End of an Era ? A Bonus: R129, Pre-WNVL/LBV; and The Two Kinds of Lines...

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 InfluenceLowell ObservatoryOctober 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