Astronomy Reports -- April 2003

The Subsystem of Open Clusters in the Post-Hipparcos Era: Cluster Structural Parameters and Proper Motions
N. V. Kharchenko, L. K. Pakulyak, and A. E. Piskunov
pp. 263-275    Full Text: PDF (506 kB)

Study of the Star-Forming Region L379 IRS3 in CH₃OH and CS
V. G. Promyslov, G. M. Larionov, and S. V. Kalenskii
pp. 276-287    Full Text: PDF (511 kB)

Strömgren Zones of Type II Supernovae
A. V. Pynzar' and V. I. Shishov
pp. 288-300    Full Text: PDF (308 kB)

Photometric and Polarimetric Activity of the Herbig Ae Star VX Cas
D. N. Shakhovskoi, A. N. Rostopchina, V. P. Grinin, and N. Kh. Minikulov
pp. 301-311    Full Text: PDF (367 kB)

Modeling of Emission Spectra of the Flaring Red Dwarf EV Lac: Active Regions, Flares, and Microflares
I. Yu. Alekseev, É. A. Baranovskii, R. E. Gershberg, I. V. Il'in, B. P. Pettersen, D. N. Shakhovskoi, and M. Jablonsky
pp. 312-325    Full Text: PDF (431 kB)

Triplet Spectra of H₂O Masers and Protoplanetary Disks
E. E. Lekht and A. M. S. Richards
pp. 326-332    Full Text: PDF (270 kB)

Meridional Drift of Large-Scale Solar Magnetic Fields
V. N. Obridko and B. D. Shelting
pp. 333-342    Full Text: PDF (265 kB)

A Charge-consistent Model for the Acceleration of Iron in the Solar Corona: Nonisothermal Injection
M. F. Stovpyuk and V. M. Ostryakov
pp. 343-353    Full Text: PDF (258 kB)