Table Of Content

Volume 268 1993 Contents Letters to the Editor An imaging study of the environments of radio-selected BL Lac objects Short optical bursts and acceleration to TeV energies in AE Fried, J.W., Stickel, M., Kiihr, H. Aquarii de Jager, O.C., Meintjes, P.J. Galactic dynamics and magnetic fields. I. Superbubbles in galactic central regions First results from the Giotto magnetometer experiment Lesch, H., Harnett, J. during the P/Grigg-Skjellerup encounter Neubauer, F.M., Marschall, H., Pohl, M., Secular evolution of isolated barred galaxies. I. Gravita- Glassmeier, K.-H., Musmann, G., Mariani, F., tional coupling between stellar bars and interstellar me- Acuna, M.H., Burlaga, L.F., Ness, N.F., Wallis, M.K., dium Schmidt, H.U., Ungstrup, E. Friedli, D., Benz, W. CN, C,, and dust observed in comet P/Grigg-Skjellerup Coordinated UV-optical observations of quasars: the evo- from the ground eight hours after the Giotto encounter lution of the Lyman absorption Jockers, K., Kiselev, N.N., Boehnhardt, H., Thomas, N. Cristiani, S., Giallongo, E., Buson, L.M., Gouiffes, C., La Franca, F. The Giotto encounter with comet P/Grigg-Skjellerup: first results from the Giotto Radio-Science Experiment Mixed shocks: spectral selection of the class of solutions Pdtzold, M., Edenhofer, P., Bird, M.K., Volland, H. Lg3 Lehoucgq, R., Roland, J., Pelletier, G. Dense gas in nearby galaxies. VI. A large '2C/'3C ratio in Studies of narrow polar rings around E galaxies. II. The a nuclear starburst environment UV spectrum of AM 2020-504 Henkel, C., Mauersberger, R., Wiklind, T., Arnaboldi, M., Capaccioli, M., Barbaro, G., Buson, L., Hiittemeister, S., Lemme, C., Millar, T.J. L17 Longo, G. A dense H1 filament in the local X-ray emitting plasma: Structure of the spiral arms of NGC 4258 in Ha and at ROSAT observation of LVC 88+ 36—2 2000 A Kerp, J., Herbstmeier, U., Mebold, U. L21 Courtés, G., Petit, H., Hua, C.T., Martin, P., Blecha, A., Huguenin, D., Golay, M. IRAS colours of Li-rich giants Gregorio-Hetem, J., Castilho, B.V., Barbuy, B. L25 Velocity distributions in spherical elliptical galaxies. II. Measuring line-of-sight stellar velocity distributions Barium isotopes in the very metal-poor star HD 140283 Winsall, M.L., Freeman, K.C. Magain, P., Zhao, G. L27 Classification of the multiple deflection two point-mass gravitational lens models and application of catastrophe Cosmology theory in lensing Large-scale correlations between QSOs and galaxies. An Erdl, H., Schneider, P. effect caused by gravitational lensing? The rate of supernovae. I. The data base, the recipe and the Bartelmann, M., Schneider, P. uncertainties Cappellaro, E., Turatto, M., Benetti, S., Extragalactic astronomy Tsvetkov, D.Y., Bartunov, O.S., Makarova, I.N. A comprehensive study of the peculiar spiral galaxy NGC H,O masers in nearby irregular galaxies 1808. II. VLA HI line observations Becker, R., Henkel, C., Wilson, T.L., Koribalski, B., Dahlem, M., Mebold, U., Brinks, E. Wouterloot, J.G.A. Models and observations of starbursts. II. Starbursts in in- Determination of absorption-free magnitudes for faint teracting galaxies galaxies Bernlohr, K. Cunow, B. N-body equilibrium figures of early-type galaxies. I. Glo- Microlensing predictions for the Einstein Cross 2237+ bal structures 0305 Uadry, S. Witt, H.J., Kayser, R., Refsdal, S. IV The stellar dynamics of “box/peanut” galactic bulges. I. (RN) TeV gamma ray burst from SN 1987A NGC 3079 Apparao, K.M.V. Shaw, M., Wilkinson, A., Carter, D. Hard X-ray spectrum of 4U 1907+09 New Westerbork observations of the HI cloud near NGC Chitnis, V.R., Rao, A.R., Agrawal, P.C., 4472 Manchanda, R.K. Henning, P.A., Sancisi, R., McNamara, B.R. (RN) The K-type supergiant HR 237 (HD 4817) The bulge of M 104: stellar content and kinematics Griffin, R.F. Hes, R., Peletier, R.F. Erratum: Identification of IRAS point sources in Scorpio- Erratum: Spectral monitoring of powerful radio sources Centaurus-Lupus Hooimeyer, J.R.A., Miley, G.K., de Waard, G.J., Carballo, R., Wesselius, P.R., Whittet, D.C.B. Schilizzi, R.T. Erratum: Stellar yields as a function of initial metallicity and mass limit for black hole formation Maeder, A. Stellar clusters and associations Searching for embedded clusters in the Cepheus-Cassio- peia region Stellar atmospheres Pasztor, L., Téth, L.V., Balazs, L.G. (RN) High velocity outflow from n Carinae Erratum: (RN)The initial mass function of the Coma Damineli Neto, A., Viotti, R., Baratta, G.B., Berenices open cluster (Mel 111) de Araujo, F.X. Bounatiro, L., Arimoto, N. Spectrophotometric behavior of 56 Arietis Stepien, K., Czechowski, W. Formation, structure and evolution of stars The spectral variability of DR Tauri Spectral and temporal properties of the X-ray pulsar SMC Guenther, E., Hessman, F.V. X-1 at hard X-rays Separation of chemical elements and isotopes in chemically Kunz, M., Gruber, D.E., Kendziorra, E., peculiar stellar atmospheres by the light-induced drift ef- Kretschmar, P., Maisack, M., Mony, B., Staubert, R., fect Dobereiner, S., Englhauser, J., Pietsch, W., Reppin, C., Nasyrov, K.A., Shalagin, A.M. Triimper, J., Efremov, V., Kaniovsky, S., Frequency grids in radiative transfer problems Kusnetzov, A., Sunyaev, R. Stift, M.J., Moser, G. FM Comae (= HR 4684) revisited . Lyman « emission in spectra of Herbig Ae stars. An indi- Paparé, M., Pena, J., Peniche, R., Ibanoglu, C., cation of accretion? Tunca, Z., Evren, S. Blondel, P.F.C., Talavera, A., Tjin A Djie, H.R.E. Self-gravitating and rotating hot toroids Two-dimensional models for solar and stellar winds: hy- Hashimoto, M., Eriguchi, Y., Arai, K., Miiller, E. drodynamic effects Star formation history of the young association NGC 1948 Lima, J.J.G., Priest, E.R. at the edge of the supergiant shell LMC 4 Alpha Centauri revisited Vallenari, A., Bomans, D.J., de Boer, K.S. Neuforge, C. Photometry of yellow semiregular variables: AC Herculis, On the determination of effective temperature and surface R Sagittae and V Vulpeculae gravity of B, A, and F stars using Strémgren uvbyf pho- Zsoldos, E. tometry On the relative C,N,O abundances and the evolutionary Napiwotzki, R., Schénberner, D., Wenske, V. status of yellow symbiotic stars Periodic radio emission from the helium-strong stars HD Schmid, H.M., Nussbaumer, H. 37017 and o Ori E Radio emission from RS CVn stars, Algol, and LSI+ Leone, F., Umana, G. 61°303 Surface features of the lower atmosphere of HD 82558 Estalella, R., Paredes, J.M., Rius, A., Marti, J., (=LQ Hydrae) Peracaula, M. Strassmeier, K.G., Rice, J.B., Wehlau, W.H., Seismology of 6 Scuti stars - GX Pegasi Hill, G.M., Matthews, J.M. Goupil, M.J., Michel, E., Lebreton, Y., Baglin, A. Modelling of the CO emission around the carbon star S A new PG 1159 star discovered in the ROSAT XRT all sky Scuti survey: NLTE analysis of X-ray and optical spectra Bergman, P., Carlstrém, U., Olofsson, H. Motch, C., Werner, K., Pakull, M.W. A spectroscopic study of the Z Camelopardalis type dwarf Light curve models for type Ia supernovae: physical as- nova KT Persei sumptions, their influence and validity Ratering, C., Bruch, A., Diaz, M. HOflich, P., Miiller, E., Khokhlov, A. Numerical simulation of the aligned neutron-star magne- A re-analysis of the period shifts in RR Lyrae stars tosphere Fernley, J. Zachariades, H.A. Diffuse matter in space (including Hm regions and planetary Investigation of microturbulent magnetic fields in the solar nebulae) photosphere by their Hanle effect in the Sr1 4607 A line Faurobert-Scholl, M. (RN) The abundance of nitric oxide in TMC 1 Gerin, M., Viala, Y., Casoli, F. Standard solar models with CESAM code: neutrinos and Small-scale polarization structure in the diffuse galactic helioseismology emission at 325 MHz Berthomieu, G., Provost, J., Morel, P., Lebreton, Y. Wieringa, M.H., de Bruyn, A.G., Jansen, D., Brouw, W.N., Katgert, P. The solar system Infrared environment of 6 Cephei CN column density distribution in comet P/Halley Abraham, P., Kun, M., Balazs, L.G., Holl, A., Schulz, R. Fronto, A. Time- and space-variable structures of interstellar gas pass- (RN) The molecular outflow very near L 1551 IRS 5 ing over the heliosphere: consequences for the interplanet- Fridlund, C.V.M., Knee, L.B.G. ary UV resonance glow Three transitions of methanol at 1 cm wavelength Fahr, H.J., Rucinski, D., Judge, D.L. Wilson, T.L., Hiittemeister, S., Dahmen, G., Henkel, C. Celestial mechanics and astrometry A multi-molecular study of the dense high-latitude cloud The orbits of the major satellites of Saturn MCLD 126.6+ 24.5 Harper, D., Taylor, D.B. Boden, K.-P., Heithausen, A. A composite large-scale CO survey at high galactic lati- Physical and chemical processes tudes in the second quadrant Moving microlensing caustics Heithausen, A., Stacy, J.G., de Vries, H.W., Schramm, T., Kayser, R., Chang, K., Nieser, L., Mebold, U., Thaddeus, P. Refsdal, S. VHE 65a: an extremely red reflection nebula Kinetic theory of propagation and “runaway” of galactic Perrin, J.-M., Sivan, J.-P. cosmic rays The outflowing dust around y Carinae Dogiel, V.A., Gurevich, A.V., Zybin, K.P. Meaburn, J., Walsh, J.R., Wolstencroft, R.D. Unidentified infrared emission bands: models for the car- Millimetre observations of old novae riers of the satellites of the 3.3 ym band Weight, A., Evans, A., Albinson, J.S., Krautter, J. Talbi, D., Pauzat, F., Ellinger, Y. Bipolar nebulae and binary stars: the family of crabs He 2— Diffusive first and second order Fermi acceleration at 104, BI Crucis, and MyCn 18 parallel shock waves Corradi, R.L.M., Schwarz, H.E. Ostrowski, M., Schlickeiser, R. Diffusion and drift of very high energy cosmic rays in Lensing effects of gravitational radiation near celestial galactic magnetic fields sources Ptuskin, V.S., Rogovaya, S.I., Zirakashvili, V.N., Labeyrie, A. Chuvilgin, L.G., Khristiansen, G.B., Klepach, E.G., Kulikov, G.V. Instruments, data processing, and computational methods Does artificial viscosity destroy prompt type-II supernova The Sun explosions? On the interchange instability of solar magnetic flux tubes. Janka, H.-T., Zwerger, T., Monchmeyer, R. I. The influence of magnetic tension and internal gas pres- Spurious effects in the presence of a variable extinction sure coefficient in photoelectric photometry Biinte, M., Steiner, O., Pizzo, V.J. Poretti, E., Zerbi, F. Visibility of solar p-modes Speckle imaging of solar small-scale structure. I. Methods Toutain, T., Gouttebroze, P. von der Liihe, O. Centre-to-limb variation of the Stokes V asymmetry in so- On the capabilities and limits of smoothed particle hydro- lar magnetic flux tubes dynamics Biinte, M., Solanki, S.K., Steiner, O. Steinmetz, M., Miiller, E. Alternative method for the removal of the 180° ambiguity (RN) Kinematical models of warped disks in the sign of the observed transverse photospheric mag- Arnaboldi, M., Galletta, G. netic field Cuperman, S., Li, J., Semel, M. Papers accepted for publication in A. & A.