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dc.date.accessioned 2010-09-24T19:47:23Z
dc.date.available 2010-09-24T03:00:00Z
dc.date.issued 2001
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/2076
dc.description.abstract We present results of optical spectroscopy of the emission line star HD 86161=WR 16, the central star of an ejecta ring nebula, obtained between 1971 and 2000 in the wavelength domain 3200-7300 Á. The spectrum of type WN8 is rich in He and N lines, in particular Hell 5-n series emission lines are observed up to high quantum numbers. We analyze possible radial velocity variations observed between different epochs, and find stochastic variations with possible superimposed epoch to epoch variations. These last variations could be due to the orbital motion of an eccentric long period binary system. en
dc.format.extent 199-202 es
dc.language en es
dc.subject astrofísica es
dc.title Long Term Optical Spectroscopy of HD86161 (WR 16) en
dc.type Articulo es
sedici.creator.person Niemelä, Virpi Sinikka es
sedici.creator.person Gamen, Roberto Claudio es
sedici.creator.person Morrell, Nidia Irene es
sedici.subject.materias Ciencias Astronómicas es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Astronómicas y Geofísicas es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
sedici.rights.uri http://creativecommons.org/licenses/by-nc-sa/4.0/
sedici.relation.event Eta Carinae and Other Mysterious Stars, ASP Conference (San Francisco, 2001) es
sedici.description.peerReview peer-review es
sedici2003.identifier ARG-UNLP-ART-0000006563 es
sedici.relation.journalTitle ASP Conference Series es
sedici.relation.journalVolumeAndIssue vol. 242 es


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Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)