Astronomy Letters -- May 2000 Volume 26, Issue 5, pp. 269-337 Early Afterglows of Short Gamma-Ray Bursts R. A. Burenin pp. 269-276 Full Text: PDF (138 kB) The Polar Stellar Ring and Dark Halo of NGC 5907 V. P. Reshetnikov and N. Ya. Sotnikova pp. 277-284 Full Text: PDF (498 kB) Vorontsov-Velyaminov Rows: Straight Segments in the Spiral Arms of Galaxies A. D. Chernin, A. V. Zasov, V. P. Arkhipova, and A. S. Kravtsova pp. 285-296 Full Text: PDF (902 kB) A Catalog of X-ray Sources as Observed by the TTM/COMIS Telescope Onboard the Mir–Kvant Observatory in 1988–1998 A. N. Emelyanov, N. L. Aleksandrovich, and R. A. Sunyaev pp. 297-308 Full Text: PDF (185 kB) Non-LTE Effects for Na I Lines in X-ray Illuminated Stellar Atmospheres N. A. Sakhibullin and V. V. Shimansky pp. 309-318 Full Text: PDF (134 kB) Linear Polarization of Precataclysmic Variables N. F. Voikhanskaya pp. 319-321 Full Text: PDF (42 kB) Prominence Height and Vertical Gradient in Magnetic Field B. P. Filippov and O. G. Den pp. 322-327 Full Text: PDF (100 kB) Minicomets in the Solar System and in the Earth's Atmosphere and Related Phenomena V. A. Bronshten pp. 328-330 Full Text: PDF (31 kB) Asymmetric Periodic Solutions of the Averaged Hill Problem with Allowance for a Planet's Oblateness M. A. Vashkov'yak and N. M. Teslenko pp. 331-337 Full Text: PDF (95 kB)