Affiliation | (1) Astrophysikalisches Institut Potsdam, An der Sternwarte 16, D-14482 Potsdam, Germany (2) Institute of Astronomy of the Russian Acad. Sci., 48 Pyatnitskaya Str., 109017 Moscow, Russia (3) Astronomisches Rechen-Institut, Mönchhofstraße 12-14, D-69120 Heidelberg, Germany (4) Main Astronomical Observatory, 27 Academica Zabolotnogo Str., 03680 Kiev, Ukraine |