NGC 1535: UV Observations and Models

Details NGC 1535: UV Observations and Models NGC 1535: UV Observations and Models

2004-02-02

arxiv.org/abs/astro-ph/0402049v1

Astronomy and Astrophysics

Astrophysics

4 pages, to appear in: ASP Conference Series, Asymmetric Planetary Nebulae III

Scientific paper

We reinvestigate 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_* = 70kK, log M_dot = -7.8M_sun/year and v_infty = 2000km/s.

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