Institut für Astronomie und Astrophysik

Abteilung Astronomie

Preprint 01f/96

Her X-1: pulse width as a function of 30d phase

M. Kunz

Institut für Astronomie und Astrophysik, Astronomie, Universität Tübingen, Waldhäuser Str. 64, D-72076 Tübingen, Germany

Contribution to the 3rd COMPTON Gamma Ray Observatory Symposium, München, Germany, June 12-14, 1995
accepted by Astronomy & Astrophysics Suppl.

Abstract. Using published data, we analyse the narrowing of the pulse with progressing 35-day phase of Her X-1. We conclude that this effect is caused by a change in emission geometry.

Key words: pulsars: individual: Her X-1 - accretion disks

Paper (19k gzip'ed Postscript including figures)

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Jürgen Barnstedt (barnstedt AT astro.uni-tuebingen.de) Last updated 04-Aug-1997