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The continuing saga of Sakurai's object (V4334 Sgr): dust production and helium line emission

Tyne, V.H; Eyres, S.P.S; Geballe, T.R; Evans, A; Smalley, B; Duerbeck, H.W; Asplund, Martin


We report further UKIRT spectroscopic observations of Sakurai's object (V4334 Sgr) made in 1999 April/May in the 1-4.75 µm range, and find that the emission is dominated by amorphous carbon at T[subscript d] ~ 600. The estimated maximum grain size is 0.6 µm, and the mass lower limit is 1.7 ± 0.2 x 10[superscript -8] M[subscript ¤] to 8.9 ± 0.6 x 10[superscript -7] M[subscript ¤] for distances of 1.1-8 kpc. For 3.8 kpc the mass is 2.0 ± 0.1 x 10[superscript -7] M[subscript ¤]. <P> We also report...[Show more]

CollectionsANU Research Publications
Date published: 2000
Type: Journal article


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