pp 139-146 June 1989

CF octantis, an RS CVn-type variable with a prominent activity cycle

K. R. Pollard J. B. Hearnshaw A. C. Gilmore P. M. Kilmartin

pp 147-150 June 1989

[OIII] Electron temperatures in planetary nebulae

F. P. Keenan K. M. Aggarwal

pp 151-155 June 1989

The reclassification of the suspected R coronae borealis star SY hyi as a semiregular variable

W. A. Lawson P. L. Cottrell A. C. Gilmore P. M. Kilmartin

pp 157-160 June 1989

Bond dissociation energies and bond orders for some astrophysical molecules

R. R. Reddy R. Viswanath

pp 161-172 June 1989

Thick radio shell in supernova remnant DA 495 (G 65.7+ 1.2)?

T. Velusamy R. H. Becker W. M. Goss D. J. Helfand

pp 173-182 June 1989

Radial distribution of the integrated light and photometric colours in open star clusters

Ram Sagar Harish C. Bhatt

pp 183-196 June 1989

Giant CP Stars?

L. O. Lodén A. Sundman

pp 197-202 June 1989

Some properties of an intrinsically degenerate Hamiltonian system

N. Caranicolas

pp 203-235 June 1989

Extragalactic sources with very asymmetric radio structure: VLA and MERLIN observations

D. J. Saikia P. Shastri T. J. Cornwell W. Junor T. W. B. Muxlow