Table Of Content

Volume 263 1992 Contents Letters to the Editor Spectral evolution of nova V 443 Scuti 1989 Anupama, G.C., Duerbeck, H.W., Prabhu, T.P., Is there a comet cloud around PSR 1257 + 12? Jain, S.K. Chakrabarti, S.K., Krishna Swamy, K.S. Semiregular variables of types SRa and SRb. Basic proper- A long-duration optical flare on the FK Comae-type star ties in the visual and the IRAS-range HD 32918 (= YY Mensae) Kerschbaum, F., Hron, J. Cutispoto, G., Pagano, I., Rodond, M. Accretion disks around T Tauri stars. III. A y? analysis of disk parameters Cosmology Bouvier, J., Bertout, C. Multifractal analysis of a cold dark matter universe Photometry of yellow semiregular variables: HR 8752 Colombi, S., Bouchet, F.R., Schaeffer, R. (= V509 Cassiopeiae) Solutions in Newtonian cosmology: the pancake theory Percy, J.R., Zsoldos, E. with cosmological constant Basic relations between physical parameters of Wolf-Rayet Bildhauer, S., Buchert, T., Kasai, M. stars Schaerer, D., Maeder, A. Extragalactic astronomy Vibrational stability of an evolved 5 Mo. star towards The magnetic field structure of M 51 higher-order g-modes Neininger, N. Degryse, K., Noels, A., Gabriel, M., Waelkens, C.., Smeyers, P. (RN) Continuous reacceleration of cosmic rays in galaxies. An alternative explanation for flat low frequency radio OY Carinae: the secrets of the super-humps revealed spectra Hessman, F.V., Mantel, K.-H., Barwig, H., Pohl, M., Schlickeiser, R. Schoembs, R. Structure and kinematics of neutral hydrogen gas in the The outstanding photometric variations of the Ap star Large Magellanic Cloud HD 7676= VV Sculptoris Luks, T., Rohifs, K. Renson, P., Manfroid, J. Models and observations of starbursts. I. Methods of evo- A period study of AW Ursae Majoris lutionary models and the starburst in M 82 Demircan, O., Derman, E., Miiyesseroglu, Z. Bernlohr, K. (RN) CCD imaging and spectroscopy in the field of the X- Is NGC 931 (Markarian 1040) a barred galaxy? ray pulsar 1 E 1048.1-5937 Amram, P., Marcelin, M., Bonnarel, F., Boulesteix, J., Mereghetti, S., Caraveo, P., Bignami, G.F. Afanasiev, V.L., Dodonov, S.N. Statistical properties of AGN emission lines in relation to Stellar atmospheres the accretion disc model Dumont, A.M., Joly, M. (RN) Application of the infrared flux method to 3 cool Ap stars (78 Virginis, 52 Herculis A and CS Virginis) and com- Erratum: Iron Ka line from X-ray illuminated relativistic parison of their energy distributions to model atmo- disks spheres Matt, G., Perola, G.C., Piro, L., Stella, L. Monier, R. Carbon-bearing molecules in the envelopes around Formation, structure and evolution of stars oxygen-rich stars. First detection of formaldehyde in an NTT observations of the globular cluster X-ray binary oxygen-rich circumstellar envelope NGC 6712:S/X 1850-086 Lindqvist, M., Olofsson, H., Winnberg, A., Auriére, M., Koch-Miramond, L. Nyman, L.-A . IV The Spacelab-1 very wide field survey of UV-excess ob- Infrared lines as probes of solar magnetic features. jects. III. Analysis of the TUE high-resolution spectra of III. Strong and weak magnetic fields in plages two very hot sdO stars Riiedi, I., Solanki, S.K., Livingston, W., Stenflo, J.O. Deleuil, M., Viton, M. Infrared lines as probes of solar magnetic features. V. The The near-infrared variation of the magnetic star magnetic structure of a simple sunspot and its canopy HD 125248 Solanki, S.K., Riiedi, I., Livingston, W. Catalano, F.A., Kroll, R., Leone, F. Determination of force-free magnetic fields above the The role of sound waves in Be-star winds photosphere using three-component boundary conditions. Koninx, J.P.M., Hearn, A.G. II. Analysis and minimization of scale-related growing modes and of computational induced singularities The 1992 detailed analyses of « Centauri A and « Centauri Démoulin, P., Cuperman, S., Semel, M. B Chmielewski, Y., Friel, E., Cayrel de Strobel, G., Bentolila, C. The solar system Stratification of chemical elements in the atmosphere of the Ap star 53 Camelopardalis Influx of interplanetary bodies onto Earth Babel, J., Lanz, T. Ceplecha, Z. A Ginga observation of the supergiant X-ray binary sys- Major outburst of periodic comet Halley at a heliocentric tem 4U 1700-37/HD 153919 distance of 14 AU Haberl, F., Day, C.S.R. Sekanina, Z., Larson, S.M., Hainaut, O., Smette, A., A fine analysis of calcium and iron lines in the spectrum of West, R.M. the subdwarf Groombridge 1830 Smith, G., Lambert, D.L., Ruck, M.J. Physical and chemical processes Diffuse matter in space (including Ht regions and planetary nebulae) Consequences of rotation in energetics of accretion disks Dubrulle, B., Valdettaro, L. Modelling of IR emission of interstellar clouds. I. Emis- sion of isolated clouds and dust abundance variations Magnetized thin accretion disks in active galactic nuclei. A Bernard, J.P., Boulanger, F., Desert, F.X., Puget, J.L. quantitative analysis of field topologies and their dynamic importance Circumstellar and interstellar fullerenes and their analo- Khanna, R., Camenzind, M. gues Kroto, H.W., Jura, M. Alfvén wave transmission and stochastic particle accelera- tion at parallel astrophysical shock waves Non-detection of the 1.67 ym band in Hb 5? Implications Campeanu, A., Schlickeiser, R. for PAH-related models Magazzu, A., Strazzulla, G. Optical properties of dust aggregates. I. Wavelength de- pendence Submm/mm observations of the Monoceros R2 cloud Kozasa, T., Blum, J., Mukai, T. core Henning, T., Chini, R., Pfau, W. The influence of Alfvénic cross and magnetic helicity on the phase space distribution of charged particles. I. The Proper motion measurements in the HH 34 jet and its asso- spatial convection term of the anisotropy ciated bow shocks Dung, R. Eisléffel, J., Mundt, R. Determination of radiative lifetimes in neutral arsenic us- The Sun ing time-resolved laser spectroscopy in the VUV region Bengtsson, G.J., Berzinsh, U., Larsson, J., Svanberg, S. Infrared lines as probes of solar magnetic features. I. A many-line analysis of a network region Muglach, K., Solanki, S_K. Instruments, data processing, and computational methods Infrared lines as probes of solar magnetic features. Il. Diagnostic capabilities of Fe115648.5A and IRIS data merging. I. A solution to minimize the low and 15652.9 A intermediate frequency noise Solanki, S.K., Riiedi, I., Livingston, W. Fossat, E.