Historic Observations of the Spectrum of Eta Carinae

Details Historic Observations of the Spectrum of Eta Carinae Historic Observations of the Spectrum of Eta Carinae

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002ecrl.confe..20f&link_type=abstract

"Paper presented at Eta Carinae: Reading the Legend, a workshop held at Mt Rainier WA, USA, 11-13 July 2002 (B. Balick, ed.). Pu

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Eta Carinae, Spectroscopy

Scientific paper

Some long-forgotten spectroscopic observations with the Great Melbourne Telescope (GMT) are described. They show a possible change in the spectrum of Eta Carinae in January 1871, at an inferred phase of 0.02 in the binary orbit of Damineli et al. (2000). If confirmed, this provides evidence for a 5.5 year periodicity at this epoch. Other early observations recorded near zero phase are described. An ongoing project to revise the light curve of Innes (1903) is also briefly discussed.

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