Springer LINK: Astronomy and Astrophysics

Editors-in-Chief:

C. Bertout
Deputy Editor:
A. Jones
Astronomy and Astrophysics Editorial Office
Observatoire de Paris
61 avenue de l'Observatoire
F-75014 Paris, France
Tel. (33-1) 43 29 05 41
Fax (33-1) 43 29 05 57
e-mail: aanda@obspm.fr
Editorial secretaries: Miss B. Perche and Mrs. M. Rougeot

H.J. Habing
Deputy Editor:
J.K. Katgert-Merkelijn
Astronomy and Astrophysics Editorial Office
Leiden Observatory
P.O. Box 9513
2300 RA Leiden, The Netherlands
Tel. (31) (0) 71-5 27 59 16
Fax (31) (0) 71-5 27 58 03
e-mail: aanda@strw.leidenuniv.nl
Editorial secretaries: Mrs. B. Smit and Mrs. M. Wisse

Letter Editor

P. Schneider
Max-Planck-Institut für Astrophysik
Karl-Schwarzschild-Strasse 1
Postfach 1523
D-85740 Garching, Germany
Tel. (49) (0) 89 3299 3296
Fax (49) (0) 89 3299 3596
e-mail: aal@mpa-garching.mpg.de
Editorial secretary: Mrs. G. Kratschmann