Astronomy and Astrophysics 1991: Vol 241 Table of Contents

3 Pages·1991·0.77 MB·English

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.