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Please use this identifier to cite or link to this item: http://hdl.handle.net/2248/4423
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dc.contributor.authorAnupama, G. C-
dc.contributor.authorPrabhu, T. P-
dc.contributor.authorGhosh, K. K-
dc.contributor.authorAshoka, B. N-
dc.contributor.authorGiridhar, S-
dc.date.accessioned2009-03-25T10:58:31Z-
dc.date.available2009-03-25T10:58:31Z-
dc.date.issued1988-
dc.identifier.citationVistas in Astronomy, Vol. 31, pp. 261 - 265en
dc.identifier.issn0083-6656-
dc.identifier.urihttp://hdl.handle.net/2248/4423-
dc.descriptionRestricted access-
dc.description.abstractSpectroscopic observations of SN 1987a obtained during 1987 August 30 – September 8 from Vainu Bappu Observatory, Kavalur, are presented; the spectrum is compared and contrasted with the spectra recorded at earlier epochs. The lines of Fe II are weakening, whereas the forbidden lines are strengthening. The presence of [Ca II] and the emergence of [0 I] suggests that the electron density in the envelope was about 10/sup9/cm/sup3 at the end of May, and reduced to a value below 10/sup 8/cm/sup 3 by the end of August.en
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttp://dx.doi.org/10.1016/0083-6656(88)90208-5en
dc.subjectElectron Density (Concentration)en
dc.subjectForbidden Bandsen
dc.subjectLine Spectraen
dc.subjectStellar Spectraen
dc.subjectSupernova 1987Aen
dc.subjectH Alpha Lineen
dc.subjectH Beta Lineen
dc.subjectSpectrographsen
dc.titleFurther spectroscopic observations of SN 1987Aen
dc.typeArticleen
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