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Campaign Monitoring of the Hel double peak emission at 6678 A in gamma Cas

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weo
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Campaign Monitoring of the Hel double peak emission at 6678 A in gamma Cas

AAVSO Alert Notice 707 contains an update of Ernst Pollmann's spectroscopy campaign on gamma Cas (originally announced in Alert Notice 694) and gives the science behind his request and also shows some spectra of the line he is studying. Please see the notice for details and observing instructions.

DISCUSSION OF THIS CAMPAIGN IN THIS FORUM MOVES TO THIS THREAD - please post your comments and questions below.    (Do not use the old threads from Alert Notice 694.)

Many thanks, and Good observing,

Elizabeth O. Waagen, AAVSO HQ

 

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484