Astronomy & Astrophysics

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A&A Vol. 386 No. 1

	Astronomy and Astrophysics
	Vol. 386 No. 1 (April IV 2002)
Cover illustration: First X-ray image of Venus, obtained with Chandra ACIS-I on 13 January 2001 (Dennerl, K. et al., p. 320 )

Letters

Absorbers and globular cluster formation in powerful high-redshift radio galaxies p. L1
M. Krause
Abstract | References | Full HTML | PDF file (137 KB) | PS file (263 KB)

Hydrogen infrared recombination lines as a diagnostic tool for the geometry of the circumstellar material of hot stars p. L5
A. Lenorzer, A. de Koter and L. B. F. M. Waters
Abstract | References | Full HTML | PDF file (217 KB) | PS file (311 KB)

HD 304373, the second case of 1O/2O double-mode Cepheid in the Galaxy p. L9
M. Beltrame and E. Poretti
Abstract | References | Full HTML | PDF file (400 KB) | PS file (467 KB)

RX J0806.3+1527: A double degenerate binary with the shortest known orbital period (321s) p. L13
G. L. Israel, W. Hummel, S. Covino, S. Campana, I. Appenzeller, W. Gässler, K.-H. Mantel, G. Marconi, C. W. Mauche, U. Munari, I. Negueruela, H. Nicklas, G. Rupprecht, R. L. Smart, O. Stahl and L. Stella
Abstract | References | Full HTML | PDF file (235 KB) | PS file (386 KB)

Cosmology

Implications of cosmological gamma-ray absorption - I. Evolution of the metagalactic radiation field p. 1
T. M. Kneiske, K. Mannheim and D. H. Hartmann
Abstract | References | Full HTML | PDF file (244 KB) | PS file (225 KB)

Lens magnification by CL0024+1654 in the $\vec{U}$ and $\vec{R}$ band p. 12
S. Dye, A. N. Taylor, T. R. Greve, Ö. E. Rögnvaldsson, E. van Kampen, P. Jakobsson, V. S. Sigmundsson, E. H. Gudmundsson and J. Hjorth
Abstract | References | Full HTML | PDF file (877 KB) | PS file (492 KB)

A wide-field spectroscopic survey of the cluster of galaxies Cl0024+1654 - II. A high-speed collision? p. 31
O. Czoske, B. Moore, J.-P. Kneib and G. Soucail
Abstract | References | Full HTML | PDF file (1.39 MB) | PS file (1.22 MB)

Extragalactic astronomy

Fabry-Perot observations of the ionized gas in the spiral galaxy NGC 6951 p. 42
M. Rozas, M. Relaño, A. Zurita and J. E. Beckman
Abstract | References | Full HTML | PDF file (984 KB) | PS file (918 KB)

$\vec{BeppoSAX}$ observations of LINER-2 galaxies p. 60
I. Georgantopoulos, F. Panessa, A. Akylas, A. Zezas, M. Cappi and A. Comastri
Abstract | References | Full HTML | PDF file (255 KB) | PS file (743 KB)

The lensing system towards the doubly imaged quasar SBS 1520+530 p. 69
C. Faure, F. Courbin, J. P. Kneib, D. Alloin, M. Bolzonella and I. Burud
Abstract | References | Full HTML | PDF file (1.31 MB) | PS file (3.89 MB)

XMM-Newton observation of M 87 - I. Single-phase temperature structure of intracluster medium p. 77
K. Matsushita, E. Belsole, A. Finoguenov and H. Böhringer
Abstract | References | Full HTML | PDF file (804 KB) | PS file (22.9 MB)

The Parkes quarter-Jansky flat-spectrum sample - I. Sample selection and source identifications p. 97
C. A. Jackson, J. V. Wall, P. A. Shaver, K. I. Kellermann, I. M. Hook and M. R. S. Hawkins
Abstract | References | Full HTML | PDF file (700 KB) | PS file (764 KB) | Online Material

H $\alpha$ surface photometry of galaxies in the Virgo cluster I. Observations with the San Pedro Martir 2.1 m telescope p. 114
G. Gavazzi, A. Boselli, P. Pedotti, A. Gallazzi and L. Carrasco
Abstract | References | Full HTML | PDF file (199 KB) | PS file (180 KB) | Online Material

H $\alpha$ surface photometry of galaxies in the Virgo cluster - II. Observations with the OHP and Calar Alto 1.2 m telescopes p. 124
A. Boselli and G. Gavazzi
Abstract | References | Full HTML | PDF file (176 KB) | PS file (173 KB) | Online Material

H $\alpha$ surface photometry of galaxies in the Virgo cluster III. Observations with INT and NOT 2.5 m telescopes p. 134
A. Boselli, J. Iglesias-Páramo, J. M. Vílchez and G. Gavazzi
Abstract | References | Full HTML | PDF file (135 KB) | PS file (138 KB) | Online Material

A neutral hydrogen survey of polar ring galaxies - IV. Parkes observations p. 140
W. van Driel, F. Combes, M. Arnaboldi and L. S. Sparke
Abstract | References | Full HTML | PDF file (268 KB) | PS file (723 KB)

Weak homology of elliptical galaxies p. 149
G. Bertin, L. Ciotti and M. Del Principe
Abstract | References | Full HTML | PDF file (706 KB) | PS file (397 KB)

Galactic structure and dynamics

Generation of galactic disc warps due to intergalactic accretion flows onto the disc p. 169
M. López-Corredoira, J. Betancort-Rijo and J. E. Beckman
Abstract | References | Full HTML | PDF file (314 KB) | PS file (281 KB)

Stellar clusters and associations

Critical tests of stellar evolution in open clusters - III. Stellar population and dynamical evolution of IC 4651 p. 187
S. Meibom, J. Andersen and B. Nordström
Abstract | References | Full HTML | PDF file (1.01 MB) | PS file (371 KB)

Formation, structure and evolution of stars

Discovery of X-ray emission from the protostellar jet L1551 IRS5 (HH 154) p. 204
F. Favata, C. V. M. Fridlund, G. Micela, S. Sciortino and A. A. Kaas
Abstract | References | Full HTML | PDF file (315 KB) | PS file (775 KB)

Tidal interaction of a rotating 1 $\vec{M_\odot}$ star with a binary companion p. 211
G. J. Savonije and M. G. Witte
Abstract | References | Full HTML | PDF file (358 KB) | PS file (591 KB)

Orbital evolution by dynamical tides in solar type stars - Application to binary stars and planetary orbits p. 222
M. G. Witte and G. J. Savonije
Abstract | References | Full HTML | PDF file (1.27 MB) | PS file (9.18 MB)

Symbiotic stars on Asiago archive plates. II p. 237
U. Munari and R. Jurdana-Sepic
Abstract | References | Full HTML | PDF file (276 KB) | PS file (193 KB)

S Orionis: A Mira-type variable with a marked period decrease p. 244
P. Merchán Benítez and M. Jurado Vargas
Abstract | References | Full HTML | PDF file (150 KB) | PS file (373 KB)

HS0702+6043 - A new large amplitude sdB variable at the cool end of the instability region p. 249
S. Dreizler, S. L. Schuh, J. L. Deetjen, H. Edelmann and U. Heber
Abstract | References | Full HTML | PDF file (533 KB) | PS file (358 KB)

Numerical simulations of stellar SiO maser variability - Investigation of the effect of shocks p. 256
E. M. L. Humphreys, M. D. Gray, J. A. Yates, D. Field, G. H. Bowen and P. J. Diamond
Abstract | References | Full HTML | PDF file (1.12 MB) | PS file (670 KB)

Energy dependence of a low frequency QPO in GRS 1915+105 p. 271
J. Rodriguez, Ph. Durouchoux, I. F. Mirabel, Y. Ueda, M. Tagger and K. Yamaoka
Abstract | References | Full HTML | PDF file (551 KB) | PS file (672 KB)

Constraining the difference in convective blueshift between the components of $\alpha$ Centauri with precise radial velocities p. 280
D. Pourbaix, D. Nidever, C. McCarthy, R. P. Butler, C. G. Tinney, G. W. Marcy, H. R. A. Jones, A. J. Penny, B. D. Carter, F. Bouchy, F. Pepe, J. B. Hearnshaw, J. Skuljan, D. Ramm and D. Kent
Abstract | References | Full HTML | PDF file (159 KB) | PS file (146 KB)

Stellar atmospheres

Spectral line ratios as ${\vec T}_{\bf\sf eff}$ indicators in solar-like stars p. 286
B. Caccin, V. Penza and M. T. Gomez
Abstract | References | Full HTML | PDF file (237 KB) | PS file (436 KB)

Diffuse matter in space

Extinction calculations of multi-sphere polycrystalline graphitic clusters - A comparison with the 2175 Å peak and between a rigorous solution and discrete-dipole approximations p. 296
A. C. Andersen, J. A. Sotelo, V. N. Pustovit and G. A. Niklasson
Abstract | References | Full HTML | PDF file (343 KB) | PS file (435 KB)

The sun

Development of electromagnetic cascading in the Sun's magnetic field p. 308
A. Mahrous and N. Inoue
Abstract | References | Full HTML | PDF file (340 KB) | PS file (351 KB)

Forecasting the solar cycle with genetic algorithms p. 313
A. Orfila, J. L. Ballester, R. Oliver, A. Alvarez and J. Tintoré
Abstract | References | Full HTML | PDF file (188 KB) | PS file (138 KB)

The solar system

Discovery of X-rays from Venus with Chandra p. 319
K. Dennerl, V. Burwitz, J. Englhauser, C. Lisse and S. Wolk
Abstract | References | Full HTML | PDF file (569 KB) | PS file (30.9 MB)

Physical and chemical processes

Box simulations of rotating magnetoconvection - Spatiotemporal evolution p. 331
U. Ziegler
Abstract | References | Full HTML | PDF file (1.47 MB) | PS file (6.49 MB)

Topological evolution of Parker-unstable galactic magnetic fields under the influence of Coriolis force and magnetic reconnection p. 347
M. Hanasz, K. Otmianowska-Mazur and H. Lesch
Abstract | References | Full HTML | PDF file (840 KB) | PS file (884 KB)

Long-range correlations in self-gravitating N-body systems p. 359
D. Huber and D. Pfenniger
Abstract | References | Full HTML | PDF file (1.06 MB) | PS file (1.47 MB)

Astronomy and Astrophysics