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Astronomy and Astrophysics 1994: Vol 284 Table of Contents PDF

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Volume 284 1994 Contents Editorial Extragalactic astronomy Electronic distribution of abstracts published in A. & A. (Main Far-ultraviolet diffuse background and galaxy counts Journal and Supplements Series) Armand C., Milliard B., Deharveng J.M. 12 Dense gas in nearby galaxies. VII. The active nucleus of NGC 4945 Letters to the Editor Henkel C., Whiteoak J.B., Mauersberger R. 17 COMPTEL observations of “Ti gamma-ray line emission AGN emission above 20 keV: the hard X-ray detection from Cas A problem Iyudin A.F., Diehl R., Bloemen H., Hermsen W., Maisack M., Wood K.S., Gruber D.E. 28 Lichti G.G., Morris D., Ryan J., Schénfelder V., Steinle Monitoring of active galactic nuclei. [V. The Seyfert 1 galaxy H., Varendorff M., de Vries C., Winkler C. NGC 4593 On the neon abundance in PG 1159-type central stars of Dietrich M., Kollatschny W., Alloin D., Aretxaga I., planetary nebulae Axon D., de Bruyn A.G., Clavel J., Goad M.R., Werner K., Rauch T. Gondhalekar P., van Groningen E., Horne K., Jackson UBV-JHKLM photometry of Nova Aquilae 1993. The first N., Laurikainen E., Lawrence A., Masegosa J., Moles 220 days M., O’Brien P., del Olmo A., Penston M.V., Perea J., Munari U., Yudin B.F., Kolotilov E.A., Shenavrin V.L., Pérez E., Pérez-Fournon I., Perry J.J., Peterson B.M., Sostero G., Lepardo A. Robinson A., Rodriguez Espinosa J.M., Stirpe G.M., Tadhunter C., Terlevich R., Unger S., Wagner S.J., Multi-wavelength intra-peak phase separations in pulsed Wanders I., Williams R. emissions from the Crab and the Vela pulsars Ramanamurthy P.V. A toolbox for general elliptical gravitational lenses Schramm T. Ad A revision to the absolute magnitudes of RR Lyrae stars from the Baade-Wesselink method Synchrotron emission from bent shocked relativistic jets. Fernley J. II. Shock waves in helical jets Gomez J.L., Alberdi A., Marcaide J.M. Investigating the magnetic field structure around star forma- tion cores HST observations of Cygnus A: circumnuclear effects of a Greaves J.S., Murray A.G., Holland W.S. powerful jet? Jackson N., Sparks W.B., Miley G.K., Macchetto F. CO and CI maps of the starburst galaxy M 82 White G.J., Ellison B., Claude S., Dent W.R.F., HST observations of globular clusters in M 31. I. Surface Matheson D.N. photometry of 13 objects Fusi Pecci F., Battistini P., Bendinelli O., Bonoli F., Infrared line emission in 10 Lacertae Cacciari C., Djorgovski S., Federici L., Ferraro F.R., Murdoch K.A., Drew J.E., Anderson L.S. Parmeggiani G., Weir N., Zavatti F. A Faber—Jackson relation for clusters of galaxies: implications Analysis of the velocity-distance diagrams in the presence of for modified dynamics the Great Attractor Sanders R.H. Ekholm T., Teerikorpi P. ROSAT PSPC X-ray observations of NGC 4258: detection of Cosmology point sources, 4 million K halo emission, and anomalous arms Large-scale correlations between QSOs and IRAS galaxies Pietsch W., Vogler A., Kahabka P., Jain A., Klein U. Bartelmann M., Schneider P. Molecules in the starburst galaxy Henize 2-10 The large-scale structure in a universe dominated by cold plus Baas F., Israel F.P., Koornneef J. hot dark matter Time-evolution of axisymmetric magnetic fields in galaxies Jing Y.P., Mo H.J., Borner G., Fang L.Z. Camenzind M., Lesch H. The effect of gravitational lensing on the texture of the cosmic microwave background Cayon L., Martinez-Gonzdlez E., Sanz J.L. IV Volume Index 284 Synchrotron radiation from the jet of 3C 273. III. The speed Numerical simulations of convection at the surface of a and direction of the jet ZZ Ceti white dwarf Conway R.G., Davis R.J. Ludwig H.-G., Jordan S., Steffen M. Galactic dynamics and magnetic fields. I]. Magnetic fields in On the binary nature of Pleione barred galaxies Luthardt R., Menchenkova E.V. Chiba M., Lesch H. On the modulated light in the intermediate polar FO Aquar- Metallicity effects in star-forming regions ii/H 2215-086 Cervifio M., Mas-Hesse J.M. de Martino D., Buckley D.A.H., Mouchet M., Mukai The Hamburg Quasar Monitoring program (HQM) at Calar K. Alto. I. Low amplitude variability in quasars Evolution of initially mixed massive main sequence stars Borgeest U., Schramm K.-J. Weiss A. The intrinsic magnetic field orientation in NGC 4631 The hot wind in the symbiotic nova AG Pegasi Golla G., Hummel E. Vogel M., Nussbaumer H. Photometric evolutionary synthesis models of dwarf galax- S 32 and UKS-Cel: two barium-rich symbiotic stars ies Schmid H.M. Kriiger H., Fritze-v. Alvensleben U. Energy-dependent effects of scattering atmospheres on X-ray Morphological segregation of galaxies in clusters. I. The pulsar pulse profiles non-uniform distribution of types in the inner region of Sturner S.J., Dermer C.D. Perseus A long period model for the magnetic star y Equulei Andreon S. Leroy J.L., Bagnulo S., Landolfi M., Landi Degl’ Innocenti E. On the pre-decline and decline phases of FG Sagittae, the Galactic structure and dynamics post-AGB star and central star of the planetary nebula The chemical composition at a galactocentric distance of PK 60-721 13 kpc van Genderen A.M. Rolleston W.R.J., Dufton P.L., Fitzsimmons A. Can nucleosynthesis determine the mass limit for stellar black A new UBV and proper motion survey in the anticentre hole formation? direction at intermediate galactic latitude: kinematics of the Prantzos N. Galaxy’s stellar populations Enhancement of thermonuclear reaction rates in dense Ojha D.K., Bienaymé O., Robin A.C., Mohan V. stars Sahrling M. Stellar clusters and associations 49 Camelopardalis: an uncommon magnetic star Leroy J.L., Landstreet J.D., Bagnulo S. A study of the color-magnitude diagrams and luminosity functions of the two LMC clusters NGC 2134 and NGC 2249 OT 1928: a real candidate for GRB 781119 with the new radiative opacities Hudec R., Pravec P., Borovicka J. Vallenari A., Aparicio A., Fagotto F., Chiosi C. Discovery of a luminous galactic supersoft X-ray source in the The galactic distribution of chemical elements as derived from ROSAT all-sky survey B-stars in open clusters. I. NGC 6231: stellar parameters and Motch C., Hasinger G., Pietsch W. chemical abundances Optical studies in the fields of gamma ray burst sources. Kilian J., Montenbruck O., Nissen P.E. II. GRB 910219 and the detection of flashing optical counter- Active star formation regions at the edge of the LMC Bar: part NGC 1850 and NGC 1858 Hudec R., Dédoch A., Pravec P., Borovicka J. Vallenari A., Aparicio A., Fagotto F., Chiosi C., New photometric and spectroscopic results for IU Aurigae — Ortolani S., Meylan G. an early-type eclipsing binary in a multiple system Hot stars near the position of X0512—401 in the globular Drechsel H., Haas S., Lorenz R., Mayer P. cluster NGC 1851 Auriére M., Bonnet-Bidaud J.M., Koch-Miramond L. Stellar atmospheres Formation, structure and evolution of stars Effects of TiO in stellar atmospheres Jorgensen U.G. New spectroscopic orbital elements of the B-type binary HR 7551 Simulation of polarization maps. I. Protostellar envelopes Raja T. Fischer O., Henning T., Yorke H.W. (RN) Estimates of the Compton backscattering feature at The ultraviolet variations of the 5 Scuti stars 44 Tauri and ~150 keV in the Crab Nebula pulsar 71 Tauri Bednarek W., Cremonesi O., Treves A. Monier R., Kreidl T.J. Rotational modulation and flares on RS Canum Venaticorum Synthetic line profiles for supernovae of type II and BY Draconis stars. X VIII. Coordinated VLA, ROSAT, Best M., Wehrse R. and IVE observations of RS CVn binaries Long-term periodic variability in UV absorption lines of the Fox D.C., Linsky J.L., Veale A., Dempsey R.C., Be star y Cassiopeiae: on the relation with V/R variations in Brown A., Neff J.E., Pagano I., Rodond M., Bromage the Hf line G.E., Kiirster M., Schmitt J.H.M.M. Telting J.H., Kaper L. Volume Index 284 Resonance line polarization for arbitrary magnetic fields in The Sun optically thick media. III. A generalization of the /e-law Does solar differential rotation arise from a large scale Landi Degl’Innocenti E., Bommier V. instability? High-dispersion Ha spectroscopy of ¢ Aurigae Tuominen I., Brandenburg A., Moss D., Rieutord M. Cha G., Tan H., Xu J., Li Y. A new estimate of the solar core rotation from IPHIR Ha. survey of late-type active binaries Toutain T., Kosovichev A.G. Frasca A., Catalano S. On the correlation of magnetic field strength and inclination The EUV spectrum of AU Microscopii: temperature and with continuum brightness of a sunspot penumbra density diagnostic from EUVE Spectrometers observations Hofmann J., Deubner F.-L., Fleck B., Schmidt W. Monsignori Fossi B.C., Landini M. Alpha effect in the solar atmosphere Spectral analysis of the hottest known helium-rich white Seehafer N. dwarf: KPD 0005+5106 Propagation of acoustic waves in a stratified atmosphere. I Werner K., Heber U., Fleming T. Kalkofen W., Rossi P., Bodo G., Massaglia S. Stationary subalfvénic and low-f MHD flows in solar coronal loops and arcades Surlantzis G., Démoulin P., Heyvaerts J., Sauty C. Diffuse matter in space (including Ht! regions and plane- tary nebulae) The solar system Water masers embedded in ultracompact HII regions: the Fine structure of the 1985 Giacobinids W 75N cloud core Simek M. Hunter T.R., Taylor G.B., Felli M., Tofani G. Production of anomalous cosmic rays from pick-up ions and Very-broadband-structure and the linear rise in the extinction their inward diffusion from the termination shock of the solar curve wind Jenniskens P. Fichtner H., Fahr H.-J., Grzedzielski S., Rucinski D., Hii regions and IRAS PSC sources: the reliability of the Sreenivasan S.R. association Is there any mechanism capable of producing the same Fresnel Codella C., Felli M., Natale V. characteristics as fragmentation of meteoroids? On the interstellar grains in the Magellanic Clouds and in the Novikov G.G., Pecina P., Radzhabov T.S. Galaxy Maccioni A., Perinotto M. Celestial mechanics and astrometry Filling factors and ionized masses in planetary nebulae The main problem of geosynchronous satellite theory around Boffi F.R., Stanghellini L. an equilibrium position Proper motion measurements and high resolution imaging of Oberti P. the HH 46/47 outflow Analysis of ground-based observations of the satellites of Eisloffel J., Mundt R. Saturn 1874-1988 Carbon monoxide line emission from photon dominated Harper D., Taylor D.B. regions Correction to the luni-solar precession from Very Long Koster B., Storzer H., Stutzki J., Sternberg A. Baseline Interferometry W 3-astudy ofa site of massive star formation. I. Continuum Walter H.G., Ma C. 1000 and C'8O observations and comparison as mass tracers Oldham P.G., Griffin M.J., Richardson K.J., Sandell G. Physical and chemical processes An X-ray study of IC 443 and the discovery of a new Isothermal elliptical gravitational lens models supernova remnant by ROSAT Kormann R., Schneider P., Bartelmann M. Asaoka I., Aschenbach B. Vacuum polarization and nuclear reactions at energies of Laboratory simulation of microdiamonds present in space astrophysical interest Colangeli L., Mennella V., Stephens J.R., Bussoletti E. Degl’Innocenti §., Fiorentini G. An investigation of extinction diagnostics towards the Orion Oscillator strength measurements in the vacuum-ultraviolet. Nebula VI. Neutral oxygen lines in the 950-1200 A range Greve A., Castles J., McKeith C.D. Goldbach C., Nollez G. Far-infrared observations of three Galactic star-forming The role of electric currents in saturated conduction. I. Gen- regions: RCW 36, IRAS 10361-5830 and IRAS 10365-5803 eral theory Verma R.P., Bisht R.S., Ghosh S.K., Iyengar K.V.K., Bandiera R., Chen Y. Rengarajan T.N., Tandon S.N. The role of electric currents in saturated conduction. II. Su- Mass loss and the evolution of planetary nebula nuclei prathermal evaporation of clouds in supernova remnants Gorny S.K., Tylenda R., Szczerba R. Bandiera R., Chen Y. The contribution of small particles to the extinction curve Special relativistic jet collimation by inertial confinement Boulanger F., Prévot M.L., Gry C. Eulderink F., Mellema G. Discovery of a giant molecular cloud near the Galactic Exact solutions for helical MHD equilibria of astrophysical centre jets Albinson J.S., Evans A., Krautter J., Weight A. Villata M., Ferrari A. VI Volume Index 284 The equation of state in the chemical picture: a grand- Abstracts of articles which have been published in A. & A. canonical approach. II. The occupation number of molecules Suppl. Ser. 104, No. 1 and atoms Search for faint ring-shaped galaxies in the —77° to -87° Luo G. declination interval The equation of state in the chemical picture: a grand- Fatindez-Abans M., Cuevas H.L., Hertling G.P. canonical approach. III. Thermodynamic properties and non- uvbyf photometry of all stars earlier than GO and brighter ideal effects than m,, ~ 1073 in Selected Area 194 Luo G. Franco G.A.P. Gravitational lenses as giant diffractive telescopes High-spatial-resolution solar observations of spectral lines Labeyrie A. used for abundance analysis One-dimensional equilibrium structures of infinitely thin Kiselman D. polytropic sheets A catalogue of UBV colours of cataclysmic variables (second Schmitz F. 1007 edition) Empirical corrections of the rigid rotor interaction potential of Bruch A., Engel A. H.-H; in the attractive region; dimer features in the FIR Non-variability of the fine-structure constant over cosmolog- absorption spectra ical time scales Schaefer J. 1015 Potekhin A.Y., Varshalovich D.A. Numerical studies of wind accretion using SPH. I. 2D simu- The development of the symbiotic nova PU Vulpeculae in the lations years 1984-1992 Boffin H.M.J., Anzer U. 1026 Klein A., Bruch A., Luthardt R. Intense blazar activity in the photopolarimetric light curve of Instruments, data processing, and computational meth- OJ 287 ods Takalo L.O., Sillanpéd A., Nilsson K., Kidger M., Optical seeing at La Palma Observatory. II. Intensive site de Diego J.A. testing campaign at the Nordic Optical Telescope Reliable photometric reductions to the standard UBV (or Vernin J., Mufioz-Tufion C. uvby) system and accurate UBV magnitudes of bright stan- Three-dimensional radiative transfer on a massively parallel dard stars from the northern part of the international Be computer program Vath H.M. Harmanec P., Horn J., Juza K. An updated list of radio flux density calibrators Catalogue of 1-3 GHz solar flare radio emission Ott M., Witzel A., Quirrenbach A., Krichbaum T.P., Isliker H., Benz A.O. Standke K.J., Schalinski C.J., Hummel C.A. Proper motion study of the globular cluster M 3 Speckle interferometry with a photon-counting detector Tucholke H.-J., Scholz R.-D., Brosche P. Thiébaut E. A near-infrared survey of northern planetary nebulae Radial-velocity curves of eccentric orbits in general relativ- Phillips J.P., Cuesta L. ity Hadrava P., Bao G., @stgaard E. 693 Pyramid maximum entropy images of IRAS survey data Bontekoe T.R., Koper E., Kester D.J.M. 1037 Preview of accepted papers (March 1994)

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