pp 1-10 March 1990

The in-plane motion of a Geosynchronous satellite under the gravitational attraction of the sun, the moon and the oblate earth

K. B. Bhatnagar Manjeet Kaur

pp 11-22 March 1990

On the effect of the eccentricity of a planetary orbit on the stability of satellite orbits

S. Ichtiaroglou G. Voyatzis

pp 23-28 March 1990

The magnetohydrodynamics of stellar structures

G. S. Dubey U. S. Pandey J. P. Singh L. K. Singh S. N. Singh

pp 29-35 March 1990

The Newtonian forces in the Kerr geometry

Sandip K. Chakrabarti A. R. Prasanna

pp 37-42 March 1990

Emission spectrum of hot R OB star MV Sgr

N. Kameswara Rao L. Houziaux Sunetra Giridhar

pp 43-48 March 1990

The chromospherically active solar-type spectroscopic binary HD 191262

R. F. Griffin F. C. Fekel

pp 49-66 March 1990

Relativistic magnetofluid disc with nonzero radial velocity in Schwarzschild geometry

P. Bhaskaran A. R. Prasanna

pp 67-72 March 1990

Estimation of the dissociation energy of CO⁺ from spectroscopic data

R. R. Reddy R. Viswanath

pp 81-123 March 1990

An atlas of the optical spectrum of supernova 1987A in the large magellanic cloud

V. J. Mclntyre A. C. Gilmore J. B. Hearnshaw