Astronomy Reports -- April 2002 Volume 46, Issue 4, pp. 259-345 Dark Halos of Wide Triple Systems of Galaxies V. P. Dolgachev, L. M. Domozhilova, and A. D. Chernin pp. 259-266 Full Text: PDF (178 kB) Spatial Structure of the Old Open Cluster NGC 2420 Z. I. Peikov, R. M. Rusev, and T. Ruseva pp. 267-274 Full Text: PDF (252 kB) A Photometric and Spectroscopic Study of the B[e]/X-ray Transient CI Cam E. A. Barsukova, N. V. Borisov, V. P. Goranskii, V. M. Lyutyi, and N. V. Metlova pp. 275-292 Full Text: PDF (374 kB) A Study of Class II Methanol Maser Condensations in the Star-Forming Region W48 I. V. Val'tts and S. Yu. Lyubchenko pp. 293-308 Full Text: PDF (276 kB) Polarization of Individual Pulses of Radio Pulsars at the Low Frequencies 40, 60, and 103 MHz S. A. Suleimanova and V. D. Pugachev pp. 309-326 Full Text: PDF (808 kB) Origin of Prolonged X-Ray Flares on Active Late-Type Stars I. M. Livshits and M. A. Livshits pp. 327-338 Full Text: PDF (292 kB) Three Types of Flows in the Structure of the Solar Wind N. A. Lotova, V. N. Obridko, and K. V. Vladimirskii pp. 339-345 Full Text: PDF (391 kB)