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Дата изменения: Sat Nov 4 01:46:25 2000 Дата индексирования: Tue Oct 2 01:07:31 2012 Кодировка: |
Cover Illustration: Two B-band images of the Phoenix dwarf galaxy at different epochs ( top), and the difference of the two using new software to register and scale the images ( bottom left) and to match their PSFs ( bottom right). In the fully matched case about a dozen Cepheid variables are readily apparent, as is one high proper-motion star just below and left of center. Figures provided by Andrew Phillips and Lindsey Davis (see their paper ).