ROMANIAN ASTRONOMICAL JOURNAL

Vol. 11, No. 1, 2001

C O N T E N T S



 

Alexandru POP, Adrian CRISTEA, Vlad TURCU,
Structural Parameters of DY Pegasi Light Curves between 1949-1986
3
Georgeta MARIS, Adrian ONCICA, Miruna Daniela POPESCU
The 22-Year Solar Magnetic Cycle. I. Sunspot and Radio Activity
13
George BOZIS, Mira-Cristiana ANISIU,
Families of Straight Lines in Planar Potentials
27
Vasile MIOC, Cristina BLAGA,
The Equilibrium Points in the Photogravitational Model of Constantin Popovici
45
Cristina STOICA, Vasile MIOC,
A New Analytic Solution for the Manev-Type Two-Body Problem
53
Catalin CUCU-DUMITRESCU,
A New Set of Lissajous-Type Coordinates for Hamiltonian Systems
61
Stelian COJOCARU,
Influence of the Even Zonal Harmonics of the Geopotential on GPS Satellite Orbits
69
Gheorghe BOCSA,
Observations of Pluto in Bucharest during 1932 and 1967-1975: Precise Positions and Magnitudes
77
Florin DIACU, Tudor RATIU,
Haretu and the Stability of the Solar System
85
Vasile MIOC, Magda STAVINSCHI,
Spiru Haret's Contribution to Celestial Mechanics .
93
MISCELLANEA The Regional Seminar of Solar Physics "Solar Researches in the South-Eastern European Countries: Present and Perspectives" (Magda Stavinschi, Georgeta Maris) .
107
The Scientific Session "2001 Great Astronomical Anniversaries" (Magda Stavinschi) .
108
BOOK REVIEWS
109