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Astronomy and Astrophysics
ISSN: 1432-0746

Table of Contents Volume 335 Number 3 (1998)


Letters to the Editor

Evidence for a signature of the galactic bar in the solar neighbourhood
D. Raboud, M. Grenon, L. Martinet, R. Fux, and S. Udry
Astron. Astrophys. 335, P L61-L64 (1998).
Abstract
Article in HTML | PDF (384 KB) | (gzipped) PostScript (2615 KB)

The Tycho Reference Catalogue
E. Høg, A. Kuzmin, U. Bastian, C. Fabricius, K. Kuimov, L. Lindegren, V.V. Makarov, and S. Röser
Astron. Astrophys. 335, P L65-L68 (1998).
Abstract
Article in HTML | PDF (140 KB) | (gzipped) PostScript (161 KB)

ISO-SWS spectra of the C-rich AGB star R Scl and dynamical model atmospheres
J. Hron, R. Loidl, S. Höfner, U.G. Jørgensen, B. Aringer, and F. Kerschbaum
Astron. Astrophys. 335, P L69-L72 (1998).
Abstract
Article in HTML | PDF (152 KB) | (gzipped) PostScript (164 KB)

The role of the f-mode in the relation between solar intensity oscillations and granulation
M. Kiefer and H. Balthasar
Astron. Astrophys. 335, P L73-L76 (1998).
Abstract
Article in HTML | PDF (221 KB) | (gzipped) PostScript (170 KB)

Detection of candidate primordial galaxies at z > 4
V. Le Brun, J. Boulesteix, A. Mazure, P. Amram, and G. Courtès
Astron. Astrophys. 335, P L77-L80 (1998).
Abstract
Article in HTML | PDF (275 KB) | (gzipped) PostScript (211 KB)

The LMC distance modulus from Hipparcos RR Lyrae and classical Cepheid data
X. Luri, A.E. Gómez, J. Torra, F. Figueras, and M.O. Mennessier
Astron. Astrophys. 335, P L81-L84 (1998).
Abstract
Article in HTML | PDF (132 KB) | (gzipped) PostScript (162 KB)

Formation of undermassive single white dwarfs and the influence of planets on late stellar evolution
G. Nelemans and T.M. Tauris
Astron. Astrophys. 335, P L85-L88 (1998).
Abstract
Article in HTML | PDF (188 KB) | (gzipped) PostScript (198 KB)

About the role of gravity waves in the angular momentum transport inside the radiative zone of the Sun
Olivier Ringot
Astron. Astrophys. 335, P L89-L92 (1998).
Abstract
Article in HTML | PDF (102 KB) | (gzipped) PostScript (146 KB)

EROS variable stars: discovery of a slow nova in the SMC1
The EROS collaboration, P. de Laverny, J.P. Beaulieu, M. Asplund, D. Kilkenny, C. Renault, R.Ferlet, J.B. Marquette, A. Vidal-Madjar, E. Maurice, L. Prévot, E. Aubourg, P. Bareyre, F. Bauer, S. Brehin, C. Coutures, J. de Kat, M. Gros, B. Laurent, M. Lachièze-Rey, E. Lesquoy, C. Magneville, A. Milsztajn, L. Moscoso, F. Queinnec, J. Rich, M. Spiro, L. Vigroux, S. Zylberajch, R. Ansari, F. Cavalier, and M. Moniez
Astron. Astrophys. 335, P L93-L96 (1998).
Abstract
Article in HTML | PDF (493 KB) | (gzipped) PostScript (315 KB)

Oscillations of sunspot magnetic fields
I. Rüedi, S.K. Solanki, J.O. Stenflo, T. Tarbell, and P.H. Scherrer
Astron. Astrophys. 335, P L97-L100 (1998).
Abstract
Article in HTML | PDF (414 KB) | (gzipped) PostScript (335 KB)

RXTE observations of Proxima Centauri
Bernhard Haisch, Vinay Kashyap, Jeremy J. Drake, and Peter Freeman
Astron. Astrophys. 335, P L101-L105 (1998).
Abstract
Article in HTML | PDF (138 KB) | (gzipped) PostScript (174 KB)

VLBI observations of the galactic center source Sgr A* at 86 GHz and 215 GHz
T.P. Krichbaum, D.A. Graham, A. Witzel, A. Greve, J.E. Wink, M. Grewing, F. Colomer, P. de Vicente, J. Gómez–González, A. Baudry, and J.A. Zensus
Astron. Astrophys. 335, P L106-L110 (1998).
Abstract
Article in HTML | PDF (142 KB) | (gzipped) PostScript (183 KB)


Cosmology

Is the Universe a fractal? Results from the Southern Sky Redshift Survey 2
A. Cappi, C. Benoist, L.N. da Costa, and S. Maurogordato
Astron. Astrophys. 335, P 779-788 (1998).
Abstract
Article in HTML | PDF (251 KB) | (gzipped) PostScript (180 KB)

Symmetry and direction of seed magnetic fields in galaxies
F. Krause and R. Beck
Astron. Astrophys. 335, P 789-796 (1998).
Abstract
Article in HTML | PDF (232 KB) | (gzipped) PostScript (217 KB)

The evolution rate of quasars at various redshifts
Evanthia Hatziminaoglou, Ludovic Van Waerbeke, and Guy Mathez
Astron. Astrophys. 335, P 797-806 (1998).
Abstract
Article in HTML | PDF (313 KB) | (gzipped) PostScript (214 KB)


Extragalactic astronomy

Resolved 200µm images of nearby galaxies – evidence for an extended distribution of cold dust
P.B. Alton, M. Trewhella, J.I. Davies, R. Evans, S. Bianchi, W. Gear, H. Thronson, E. Valentijn, and A. Witt
Astron. Astrophys. 335, P 807-822 (1998).
Abstract
Article in HTML | PDF (595 KB) | (gzipped) PostScript (549 KB)

Spectro-photometric evolution of elliptical galaxies
III. Infall models with gradients in mass density and star formation

R. Tantalo, C. Chiosi, A. Bressan, P. Marigo, and L. Portinari
Astron. Astrophys. 335, P 823-846 (1998).
Abstract
Article in HTML | PDF (1007 KB) | (gzipped) PostScript (463 KB)

Metallicity gradients and the matter distribution in elliptical galaxies
A. Martinelli
Astron. Astrophys. 335, P 847-854 (1998).
Abstract
Article in HTML | PDF (219 KB) | (gzipped) PostScript (172 KB)

On the trend of [Mg/Fe] among giant elliptical galaxies
Francesca Matteucci, Raffaella Ponzone, and Brad K. Gibson
Astron. Astrophys. 335, P 855-866 (1998).
Abstract
Article in HTML | PDF (1020 KB) | (gzipped) PostScript (383 KB)

Metallicity distribution of bulge globular clusters in M 31
P. Jablonka, E. Bica, C. Bonatto, T.J. Bridges, M. Langlois, and D. Carter
Astron. Astrophys. 335, P 867-875 (1998).
Abstract
Article in HTML | PDF (364 KB) | (gzipped) PostScript (288 KB)

The depth of the Lyman valley revisited
P. Jakobsen
Astron. Astrophys. 335, P 876-880 (1998).
Abstract
Article in HTML | PDF (252 KB) | (gzipped) PostScript (154 KB)

Optically thin thermal emission from cold clouds in active galactic nuclei
G. Torricelli-Ciamponi and T.J.-L. Courvoisier
Astron. Astrophys. 335, P 881-893 (1998).
Abstract
Article in HTML | PDF (452 KB) | (gzipped) PostScript (243 KB)

The effective velocity and radius of spiral galaxies
L. Vertchenko and R.J. Quiroga
Astron. Astrophys. 335, P 894-898 (1998).
Abstract
Article in HTML | PDF (138 KB) | (gzipped) PostScript (157 KB)

BeppoSAX spectral survey of soft X-ray selected BL Lacertae objects
A. Wolter, A. Comastri, G. Ghisellini, P. Giommi, M. Guainazzi, T. Maccacaro, L. Maraschi, P. Padovani, C.M. Raiteri, G. Tagliaferri, C.M. Urry, and M. Villata
Astron. Astrophys. 335, P 899-911 (1998).
Abstract
Article in HTML | PDF (451 KB) | (gzipped) PostScript (267 KB)

Seyfert galaxies and environment: Seyferts in galaxy pairs and groups
B. Kelm, P. Focardi, and G.G.C. Palumbo
Astron. Astrophys. 335, P 912-918 (1998).
Abstract
Article in HTML | PDF (102 KB) | (gzipped) PostScript (114 KB)

An insipid CH star in the Sculptor dwarf spheroidal galaxy
Matthew D. Shetrone, Michael Briley, and James P. Brewer
Astron. Astrophys. 335, P 919-921 (1998).
Abstract
Article in HTML | PDF (84 KB) | (gzipped) PostScript (103 KB)

New clues to the magnetic field structure of M 31
J.L. Han, R. Beck, and E.M. Berkhuijsen
Astron. Astrophys. 335, P 1117-1123 (1998).
Abstract
Article in HTML | PDF (299 KB) | (gzipped) PostScript (274 KB)


Galactic structure and dynamics

Modelling gravity in N-body simulations of disc galaxies. Optimal types of softening for given dynamical requirements
Alessandro B. Romeo
Astron. Astrophys. 335, P 922-928 (1998).
Abstract
Article in HTML | PDF (293 KB) | (gzipped) PostScript (158 KB)


Stellar clusters and associations

CCD photometry of M 80 and the ranking of the C-M diagrams of galactic globulars
E. Brocato, V. Castellani, G.A. Scotti, I. Saviane, G. Piotto, and F.R. Ferraro
Astron. Astrophys. 335, P 929-942 (1998).
Abstract
Article in HTML | PDF (1136 KB) | (gzipped) PostScript (565 KB)

Metal-rich globular clusters in the galactic disk: new age determinations and the relation to halo clusters
M. Salaris and A. Weiss
Astron. Astrophys. 335, P 943-953 (1998).
Abstract
Article in HTML | PDF (384 KB) | (gzipped) PostScript (237 KB)


Formation, structure and evolution of stars

The acoustic cut-off frequency of roAp stars
N. Audard, F. Kupka, P. Morel, J. Provost, and W.W. Weiss
Astron. Astrophys. 335, P 954-958 (1998).
Abstract
Article in HTML | PDF (184 KB) | (gzipped) PostScript (159 KB)

The Li dip: a probe of angular momentum transport in low mass stars
Suzanne Talon and Corinne Charbonnel
Astron. Astrophys. 335, P 959-968 (1998).
Abstract
Article in HTML | PDF (368 KB) | (gzipped) PostScript (232 KB)

The effect of interior magnetic field on the modified Urca process and the cooling of neutron stars
Y.F. Yuan and J.L. Zhang
Astron. Astrophys. 335, P 969-972 (1998).
Abstract
Article in HTML | PDF (233 KB) | (gzipped) PostScript (157 KB)

Magnetic field models for A and B stars>BR> V. The magnetic field and photometric variation of 84 Ursae Majoris
G.A. Wade, G.M. Hill, S.J. Adelman, N. Manset, and P. Bastien
Astron. Astrophys. 335, P 973-978 (1998).
Abstract
Article in HTML | PDF (201 KB) | (gzipped) PostScript (161 KB)

Polarimetry and spectroscopy of the polar RX J1141.3-6410
C.V. Rodrigues, D. Cieslinski, and J.E. Steiner
Astron. Astrophys. 335, P 979-984 (1998).
Abstract
Article in HTML | PDF (245 KB) | (gzipped) PostScript (196 KB)

PG 1323–086 and PG 1704+222 – two post-AGB stars at high galactic latitudes
S. Moehler and U. Heber
Astron. Astrophys. 335, P 985-990 (1998).
Abstract
Article in HTML | PDF (223 KB) | (gzipped) PostScript (170 KB)

A search for the optical counterpart of PSR B1951+32 in the supernova remnant CTB 80
Créidhe O'Sullivan, A. Shearer, M. Colhoun, A. Golden, M. Redfern, R. Butler, G.M. Beskin, S.I. Neizvestny, V.V. Neustroev, V.L. Plokhotnichenko, and A. Danks
Astron. Astrophys. 335, P 991-994 (1998).
Abstract
Article in HTML | PDF (319 KB) | (gzipped) PostScript (271 KB)


Stellar atmospheres

Line profile variability in the spectrum of the O(f) supergiant HD 192639
G. Rauw and J.-M. Vreux
Astron. Astrophys. 335, P 995-1002 (1998).
Abstract
Article in HTML | PDF (356 KB) | (gzipped) PostScript (248 KB)

Spectrum formation in clumped stellar winds: consequences for the analyses of Wolf-Rayet spectra
W.-R. Hamann and L. Koesterke
Astron. Astrophys. 335, P 1003-1008 (1998).
Abstract
Article in HTML | PDF (200 KB) | (gzipped) PostScript (176 KB)

Abundance analysis of the λ Bootis stars HD 192640, HD 183324 and HD 84123
U. Heiter, F. Kupka, E. Paunzen, W.W. Weiss, and M. Gelbmann
Astron. Astrophys. 335, P 1009-1017 (1998).
Abstract
Article in HTML | PDF (1018 KB) | (gzipped) PostScript (327 KB)

Quantitative analysis of carbon isotopic ratios in carbon stars
II. The effect of model atmosphere on the iso-intensity method

K. Ohnaka and T. Tsuji
Astron. Astrophys. 335, P 1018-1024 (1998).
Abstract
Article in HTML | PDF (227 KB) | (gzipped) PostScript (184 KB)


Diffuse matter in space (including H II regions and planetary nebulae)

Zeeman splitting in interstellar molecules
II. The ethynyl radical

N. Bel and B. Leroy
Astron. Astrophys. 335, P 1025-1028 (1998).
Abstract
Article in HTML | PDF (128 KB) | (gzipped) PostScript (123 KB)

A bipolar outflow in the M 1-67 nebula around the Wolf-Rayet star WR 124
Marco Sirianni, Antonella Nota, Anna Pasquali, and Mark Clampin
Astron. Astrophys. 335, P 1029-1039 (1998).
Abstract
Article in HTML | PDF (524 KB) | (gzipped) PostScript (581 KB)

Discovery of multiple non-axially symmetric near-IR bow shocks around the pre-main sequence binary AFGL 961
Colin Aspin
Astron. Astrophys. 335, P 1040-1048 (1998).
Abstract
Article in HTML | PDF (766 KB) | (gzipped) PostScript (688 KB)

The Rosette Molecular Complex
I. CO observations

N. Schneider, J. Stutzki, G. Winnewisser, and D. Block
Astron. Astrophys. 335, P 1049-1069 (1998).
Abstract
Article in HTML | PDF (2316 KB) | (gzipped) PostScript (12747 KB)

A search for (H2O)2 in the Galaxy and toward comet Hale-Bopp
M. Scherer, M. Havenith, R. Mauersberger, and T.L. Wilson
Astron. Astrophys. 335, P 1070-1076 (1998).
Abstract
Article in HTML | PDF (198 KB) | (gzipped) PostScript (239 KB)


The Sun

Determination of the full velocity vector based on vector magnetograph measurements in an asymmetric sunspot
A.M. Krivtsov, A. Hofmann, J. Staude, and M. Klvaa
Astron. Astrophys. 335, P 1077-1084 (1998).
Abstract
Article in HTML | PDF (704 KB) | (gzipped) PostScript (724 KB)

Solar flare cellular automata interpreted as discretized MHD equations
H. Isliker, A. Anastasiadis, D. Vassiliadis, and L. Vlahos
Astron. Astrophys. 335, P 1085-1092 (1998).
Abstract
Article in HTML | PDF (187 KB) | (gzipped) PostScript (156 KB)


The solar system

Diurnal Yarkovsky effect as a source of mobility of meter-sized asteroidal fragments
I. Linear theory

David Vokrouhlický
Astron. Astrophys. 335, P 1093-1100 (1998).
Abstract
Article in HTML | PDF (325 KB) | (gzipped) PostScript (233 KB)

Particle acceleration efficiency and MHD characteristics of CIR-related shocks
H.-T. Claßen, G. Mann, and E. Keppler
Astron. Astrophys. 335, P 1101-1110 (1998).
Abstract
Article in HTML | PDF (282 KB) | (gzipped) PostScript (212 KB)


Celestial mechanics and astrometry

On the use of Hipparcos data for the determination of astrometric positions of outer planets
Agnes Fienga
Astron. Astrophys. 335, P 1111-1116 (1998).
Abstract
Article in HTML | PDF (154 KB) | (gzipped) PostScript (113 KB)


Physical and chemical processes

New study of the quasi-molecular Lyman α satellites due to H-H and H-H+ collisions
N.F. Allard, I. Drira, M. Gerbaldi, J. Kielkopf, and A. Spielfiedel
Astron. Astrophys. 335, P 1124-1129 (1998).
Abstract
Article in HTML | PDF (233 KB) | (gzipped) PostScript (182 KB)


© European Southern Observatory (ESO) 1998

Online publication: July 8, 1998
Last change: June 26, 1998
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