Astronomy Reports -- March 2004

H₂O Maser Emission in the Direction of Sagittarius B2: Results of Monitoring for 1982–1992
E. E. Lekht, O. Ramirez Hernandes, A. M. Tolmachev, and I. I. Berulis
pp. 171-184    Full Text: PDF (821 kB)

Neutron-Capture Elements in Halo, Thick-Disk, and Thin-Disk Stars: Neodymium
L. I. Mashonkina, L. A. Kamaeva, V. A. Samotoev, and N. A. Sakhibullin
pp. 185-199    Full Text: PDF (337 kB)

Long-Term Monitoring of the Water-Vapor Maser in NGC 7538: 1993–2003
E. E. Lekht, V. A. Munitsyn, and A. M. Tolmachev
pp. 200-209    Full Text: PDF (573 kB)

Masses of Protostars with Methanol Protoplanetary Disks
I. E. Val'tts and S. Yu. Lyubchenko
pp. 210-218    Full Text: PDF (200 kB)

Evolutionary Connection between Low-Mass Detached Binaries, Contact W UMa Systems, and Blue Stragglers
A. V. Tutukov, G. N. Dremova, and M. A. Svechnikov
pp. 219-228    Full Text: PDF (268 kB)

The Influence of High-Energy Neutrinos on the Ejection of the Envelope of a Type-II Supernova
I. V. Baikov and V. M. Chechetkin
pp. 229-235    Full Text: PDF (218 kB)

Light Curve and Neutrino Spectrum Emitted during the Collapse of a Nonrotating, Supermassive Star
A. N. Baushev and G. S. Bisnovatyi-Kogan
pp. 236-245    Full Text: PDF (223 kB)

Topological Model for the Large Solar Flare of July 14, 2000
B. V. Somov, I. V. Oreshina, and G. P. Lubimov
pp. 246-253    Full Text: PDF (376 kB)

Active Longitudes and North–South Asymmetry of the Activity the Sun as Manifestations of Its Relic Magnetic Field
A. V. Mordvinov and L. L. Kitchatinov
pp. 254-260    Full Text: PDF (667 kB)