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Astronomy and Astrophysics 1991: Vol 241 Table of Contents PDF

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Preview Astronomy and Astrophysics 1991: Vol 241 Table of Contents

Volume 241 1991 Contents Letters to the Editor Limits from cosmological nucleosynthesis on the leptonic The microarcsecond structure of 3C 273 at 3 mm numbers of the universe Baath, L.B., Padin, S., Woody, D., Rogers, A.E.E., Bianconi, A., Lee, H.W., Ruffini, R. Wright, M.C.H., Zensus, A., Kus, A.J., Backer, D.C., Booth, R.S., Carlstrom, J.E., Dickman, R.L., Extragalactic astronomy Emerson, D.T., Hirabayashi, H., Hodges, M.W., The Eddington ratio of active galactic nuclei in accretion- Inoue, M., Moran, J.M., Morimoto, M., Payne, J., disk and dynamical models Plambeck, R.L., Predmore, C.R., Ronndng, B. L1 Wandel, A. Interstellar carbon chemistry in an oscillating ultraviolet A model for the rapid radio variability in the quasar field: rotating clump model 0917 +624 Monteiro, T.S. LS Qian, S.J., Quirrenbach, A., Witzel, A., Luni-solar precession: determination from lunar laser Krichbaum, T.P., Hummel, C.A., Zensus, J.A. ranges The asymmetry of low- and high-redshift radio galaxies Williams, J.G., Newhall, X X, Dickey, J.O. L9 Zieba, S., Chyzy, K.T. On the formation of the solar emission lines near 12 A determination of the local radio luminosity function of microns radiogalaxies at 408 MHz Hoang-Binh, D. L13 Basso, L., Grueff, G., Vigotti, M. Dynamical models for the SN 1987 A nebula Dust extinction in NGC 4594, the Sombrero galaxy Wang, L., Mazzali, P.A. L17 Knapen, J.H., Hes, R., Beckman, J.E., Peletier, R.F. Episodic emission of UHE radiation from the eclipsing bi- A multifrequency radio continuum survey of M33. nary pulsar PSR 1957 +20: Ooty observations III. The magnetic field Gupta, S.K., Rajeev, M.R., Sreekantan, B.V., Buczilowski, U.R., Beck, R. Srivatsan, R., Tonwar, S.C. L21 Environmental properties of violently star-forming galax- Eclipse mechanisms for binary pulsars ies Rasio, F.A., Shapiro, S.L., Teukolsky, S.A. L25 Campos-Aguilar, A., Moles, M. 358 The role of the minor chemical species in the cooling of Element abundances in the z= 1.920 absorber toward the white dwarfs quasar Q 2206-199 N Isern, J., Mochkovitch, R., Garcia-Berro, E., Bergeron, J., Petitjean, P. 365 Hernanz, M. A detailed study of the ionized hydrogen distribution and Detection of HNCO in external galaxies of the velocity field of the barred galaxy NGC 7741 Nguyen-Q-Rieu, Henkel, C., Jackson, J.M., Duval, M.F., Monnet, G., Boulesteix, J., Georgelin, Y., Mauersberger, R. L33 Le Coarer, E., Marcelin, M. 375 An upper limit to the number of pulsars in globular The extremely luminous galaxy merger ESO 286-IG 19 clusters Johansson, L. 389 Wijers, R.A.M.J., van Paradijs, J. L37 The globular cluster system around NGC 1399 Millimeter continuum emission from flare stars Wagner, S., Richtler, T., Hopp, U. 399 Doyle, J.G., Mathioudakis, M. L41 The detection of CO in NGC 4594 Detection of the exciting source of the spectacular molecu- Bajaja, E., Krause, M., Dettmar, R.-J., Wielebinski, R. 411 lar outflow L 1448 at 4A 1-3 mm Bachiller, R., André, P., Cabrit, S. L43 Galactic structure and dynamics Cosmology A study on the kinematics of the local system of young Structure of the self-gravitating dilute-boson sphere stars Membrado, M.., Pacheco, A.F., Sarudo, J. Comeron, F., Torra, J. IV Structure and stability of a static galactic halo including Quiescent and flaring X-rays from both Gliese 867A and cosmic ray and Alfvén wave effects Gliese 867B Ko, C.M., Dougherty, M.K., McKenzie, J.F. Pollock, A.M.T., Tagliaferri, G., Pallavicini, R. NLTE-analysis of subluminous O stars: KS 292 Stellar clusters and associations Rauch, T., Heber, U., Hunger, K,, Werner, K,, Neckel, T. Reddening effects in Str6mgren photometry Stellar winds of massive stars driven by radiation pressure Alfaro, E.J., Delgado, A.J. and turbulence Blomme, R., Vanbeveren, D., Van Rensbergen, W. Formation, structure and evolution of stars Radiative accelerations in magnetic atmospheres. Polar- Comparison of predicted and observed properties of WC ization effects stars. Explanation of the subtype gradient in galaxies Babel, J., Michaud, G. Smith, L.F., Maeder, A. Abundances of elements of the Fe-group in metal-poor Polarimetric observations of 20 weak pulsars at stars 1700 MHz Gratton, R.G., Sneden, C. Xilouris, K.M., Rankin, J.M., Seiradakis, J.H., Sieber, W. Diffuse matter in space (including Hii regions and planetary Absolute dimensions of eclipsing binaries. XVIII. The Ce- nebulae) pheus OB 3 member CW Cephei The f Pictoris circumstellar disk. XI. New Cai absorption Clausen , J.V., Giménez, A. features reproduced numerically The observability of old isolated neutron stars Beust, H., Vidal-Madjar, A., Lagrange-Henri, A.M.., Treves, A., Colpi, M. Ferlet, R. The X-ray emission of SS 433 The evolved bipolar planetary nebula NGC 2899 Brinkmann, W., Kawai, N., Matsuoka, M., Fink, H.H. Lopez, J.A., Falcon, L.H., Ruiz, M.T., Roth, M. Hard X-ray observations of Cygnus X-3 OH maser models revisited Rao, A.R., Agrawal, P.C., Manchanda, R.K. Cesaroni, R., Walmsley, C.M. Observational constraints on the cool carbon star T Cancri The Cygnus X region. XVIII. A detailed investigation of and its circumstellar shell radio-continuum structure on large and small scales Richichi, A., Lisi, F., Calamai, G. Wendker, H.J., Higgs, L.A., Landecker, T.L. The formation rate of low-mass X-ray binaries in globular The fragmentation of molecular clouds. III: Formation of clusters molecular clumps in an inhomogeneous radiation field Hut, P., Murphy, B.W., Verbunt, F. de Boisanger, C., Chiéze, J.P. Second-order asymptotic approximations for radial oscil- An optical and infrared study of the reflection nebulae lations of a gaseous star GGD 30 and GGD 31 Ruymaekers, E., Smeyers, P. Gomez de Castro, A.1., Eiroa, C. On the inner boundary condition of thin Keplerian accre- The structure of the inner nebula (Homunculus) of yCari- tion disks nae: broad band and interference filter imaging Duschl, W.J., Tscharnuter, W.M. Burgarella, D., Paresce, F. Contact discontinuity as a stabilizing factor in contact bi- nary stars The Sun Sarna, M.J. Periodicities in solar type III burst groups and source char- The formation of Be stars through close binary evolution acteristics Pols, O.R., Coté, J., Waters, L.B.F.M., Heise, J. Zhao, R.-y., Mangeney, A., Pick, M. EXOSAT observations of Cygnus X-1: study oft he soft X- Towards a rigorous model for multifluid expansions of ray excess stellar coronae: application to the solar wind Batucinska, M., Hasinger, G. Fichtner, H., Fahr, H.J. Dynamics of flaring loops. I. Thermodynamic decay scal- Stellar atmospheres ing laws V/R variations in Hf emission profiles of Be stars Serio, S., Reale, F., Jakimiec, J., Sylwester, B., Mennickent, R.E., Vogt, N. Sylwester, J. Spectroscopy of southern active stars. II]. HD 32918, Electric currents and free energy in a flaring twisted field HD 82558, BD —22°3467, AB Doradus (HD 36705) and configuration (NOAA 4263) RST 137B Hofmann, A., Kalman, B. Vilhu, O., Gustafsson, B., Walter, F.M. (RN) Distribution of solar surges Synthetic Ca tl infrared triplet lines as a function of stellar Ozgiig, A., Yesilyaprak, H., Diizgelen, A. parameters Oscillations in sunspots near the solar limb Erdelyi-Mendes, M., Barbuy, B. Mattig, W., Zerfass, M. Variation of granulation properties on a mesogranular Celestial mechanics and astrometry scale Asteroid long-periodic perturbations: derivation of proper Brandt, P.N., Ferguson, S., Scharmer, G.B., elements and assessment of their accuracy Shine, R.A., Tarbell, T.D., Title, A.M., Topka, K. Knezevi¢, Z. The overshoot layer at the base of the solar convection Astrometric analysis of timing observations of the fast pul- zone sar PSR 1937+214 Skaley, D., Stix, M. Fairhead, L. The creation of the magnetic environment for prominence Additional results on orbits of Hilda-type asteroids formation in a coronal arcade Schubart, J. Amari, T., Démoulin, P., Browning, P., Hood, A., Priest, E. A method for the correction of proper motions of stars around an extragalactic object in photographic astrom- The photospheric dynamo. I. Magnetic flux-tube gener- etry ation Ducourant, C., Rapaport, M. Hénoux, J.C., Somov, B.V. A hydrodynamic model of the impulsive phase of a solar Physical and chemical processes flare loop Gan, W.Q., Fang, C., Zhang, H.Q. Laboratory study of the IR spectrum of ion-irradiated frozen benzene Propagation of nonlinear longitudinal-transverse waves Strazzulla, G., Baratta, G.A. along magnetic flux tubes in the solar atmosphere. I. Adia- batic waves Interatomic potentials of the C-He system. Application to Ulmschneider, P., Zahringer, K., Musielak, Z.E. fine structure excitation of C (*P;) in collisions with He Lavendy, H., Robbe, J.M., Roueff, E. Lifetimes of excited levels in neutral carbon The solar system Haar, R.R., Curtis, L.J., Kvale, T.J., Beideck, D.J., Martinson, I., Hellborg, R. An experimental study of impact fracturing of small plan- etary bodies in the solar system with an application to Pho- A new mechanism for populating excited states of Li-like bos ions Kawakami, S., Kanaori, Y., Fujiwara, A., Petrini, D., Tully, J.A. Arakawa, M., Kato, M., Mizutani, H., Cerroni, P., The modification of relativistic shock fronts by accelerated Capaccioni, F. particles Jupiter’s atmospheric parameters derived from spectro- Baring, M.G., Kirk, J.G. scopic observations in the red region during the 1988 oppo- Analytical solutions of the nonlinear force-free magnetic sition field equations Moreno, F., Molina, A. Cuperman, S., Ditkowski, A. Local interstellar oxygen in the heliosphere: its analytic Instruments, data processing, and computational methods representation and observational consequences Fahr, H.J. Astrometry with a PDS microdensitometer using cubic Heliocentric variation of dust production in comets infer- splines red from infrared observations Platais, I. Krishna Swamy, K.S. Recentring and selection of short-exposure images with A photometric study of (2060) Chiron and its coma photon-counting detectors. I. Reliability tests West, R.M. Nieto, J.-L., Thouvenot, E.

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