ROMANIAN ASTRONOMICAL JOURNAL, Vol. 3, No. 2, 1993

 

 

IN MEMORIAM Matei Alecsescu (1929-1993)

87
 
 
V. URECHE, A. M. IMBROANE

Relativistic Rotating Homogeneous Stars

91
 
A. M. IMBROANE

Angular Momentum and Rotational Kinetic Energy for Relativistic Polytropes

101
 
Georgeta MARIS, Simona DINULESCU, Cristiana DUMITRACHE

Temporal Variations of Solar Activity Indicators During Cycle 22

105
 
G. SZOCS

Correlation between the Long Radiowave Propagation and the Geomagnetic Field

117
 
G. SZOCS, H. SZOCS

Interplanetary Magnetic Field Influence on the Low Ionosphere

121
 
M. BIRLAN

On the Physical and Dynamical Properties of Asteroids

123
 
Magda STAVINSCHI, Dana DINESCU, G. VASS, Alina DONEA

Effects of the Pole Movement on Time Determinations

127
 
Mihaela LICULESCU, P. POPESCU

Contribution to the Optical Position Study of Beta Persei Radio Star Carried Out in the Period 1969-1979

135
 
L. F. BAKKER, F. N. DIACU

On the Existence of Celestial Bodies with Unpredictable Motion in the Solar System and on the Kirkwood Gaps

139
 
B. PARV

Lie Series and Computer Algebra Treatment of the n-Body Problem

157
 
V. MIOC

Orbital Motion with Linearly Changing Equivalent Gravitational Parameter

165
 
V. MIOC, Eugenia RADU

Effects of Atmospheric Density Semidiurnal Variation on Artificial Satellite Dynamics

173
 
Magdalena CARSMARU, T. OPROIU

On the Determination of the Aerodynamic Drag Parameter of Intercosmos 19 Rocket (1979-20 B)

181
 

MISCELLANEA

 
Constantin Capitaneanu (1844-1893)

(Magda STAVINSCHI)

187
 

 
 BOOK REVIEWS

189