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Nolan Walborn -- R127, The End of an Era ?

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

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Nolan Walborn -- R127, The End of an Era ?

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  1. NolanWalborn--R127, TheEndofanEra? 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

  2. R127 =

  3. 1975 He I H-delta N II He I Si IV N III

  4. 1975 He I N III He II

  5. R127 Echelle 1978

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

  7. R129 =

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

  9. N II N III He I He I+II

  10. N IV in O2 Spectra

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