The stability of the He II 4686 line emission across periastron passages in eta Carinae

Mairan Teodoro, Bernard Heathcote, Noel Richardson, Rodrigo Prates, Augusto Damineli, Gabriel Hickel, Terry Bohlsen, Paul Luckas, Malcolm Locke, Felipe Navarete, Julian West, Thiago A. Andrade, Adriano M. Coimbra, Eduardo Fernandez-Lajus, Theodore Gull, Francisco Jablonski, Michael F. Corcoran, Jose H. Groh, Kenji Hamaguchi, Thomas MaduraLucas St-Jean, Gerd Weigelt

Research output: Contribution to specialist publicationLetter

Abstract

Preliminary analysis of data from the international campaign to monitor eta Carinae through the 2014 event shows that, as expected, the equivalent width of the He II 4686 emission line has reached its minimum strength on JD=2456870.8 (August 01 2014).
Original languageEnglish
Volume6380
Specialist publicationThe Astronomer's Telegram
Publication statusPublished - 1 Aug 2014

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