Paper:	NGC 1535 : UV Observations and Models
Volume:	313, Asymmetrical Planetary Nebulae III
Page:	123
Authors:	Koesterke, L.; Werner, K.; Kruk, J.W.; Lanz, T.
Abstract:	We re-investigate the UV spectrum of NGC1535 by means of recently developed fully line-blanketed non-LTE models. These new models account for the wind in spherical geometry while handling the atomic data in a very similar way to the TLUSTY code. This approach ensures at the same time realistic predictions of the photospheric absorption lines and of the emission lines formed in the wind. Our analysis confirms the results of previous studies. We derive T* = 70 kK, dM/dt = 10−7.8 dM/dtSolar/yr, and v∞ = 2000 km/s.

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