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	Astronomy and Astrophysics
	Vol. 428 No. 1 (December II 2004)
Cover illustration: Obliquity of the Earth from -250 Myr to +250 Myr (Laskar, J., et al., p. 275)

Letters
• Magnetic fields in Herbig Ae stars     p. L1
  S. Hubrig, M. Schöller and R. V. Yudin
  Abstract | Full HTML | PDF file (357 KB) | PS file (263 KB) | References



• Polar magnetic flux on the Sun in 1996-2003 from SOHO/MDI data     p. L5
  E. E. Benevolenskaya
  Abstract | Full HTML | PDF file (2.13 MB) | PS file (1.21 MB) | References



• Lead abundance in the uranium star CS 31082-001     p. L9
  B. Plez, V. Hill, R. Cayrel, M. Spite, B. Barbuy, T. C. Beers, P. Bonifacio, F. Primas and B. Nordström
  Abstract | Full HTML | PDF file (187 KB) | PS file (227 KB) | References



• First detection of dust clouds around R CrB variable stars     p. L13
  P. de Laverny and D. Mékarnia
  Abstract | Full HTML | PDF file (687 KB) | PS file (2.62 MB) | References



Astrophysical processes
• Covariant gyrokinetic description of relativistic plasmas     p. 1
  A. Beklemishev and M. Tessarotto
  Abstract | Full HTML | PDF file (290 KB) | PS file (102 KB) | References



Cosmology (including clusters of galaxies)
• The Brera Multi-scale Wavelet HRI Cluster Survey - I. Selection of the sample and number counts     p. 21
  A. Moretti, L. Guzzo, S. Campana, D. Lazzati, M. R. Panzera, G. Tagliaferri, S. Arena, F. Braglia, I. Dell'Antonio and M. Longhetti
  Abstract | Full HTML | PDF file (2.42 MB) | PS file (1.94 MB) | References



Extragalactic astronomy
• Constraints for the accretion disk evaporation rate in AGN from the existence of the Broad Line Region     p. 39
  B. Czerny, A. Rózanska and J. Kuraszkiewicz
  Abstract | Full HTML | PDF file (405 KB) | PS file (121 KB) | References | Online Material



• The first XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky Survey     p. 51
  L. Foschini, V. Braito, G. G. C. Palumbo, G. Ponti, M. Dadina, R. Della Ceca, G. Di Cocco, P. Grandi and G. Malaguti
  Abstract | Full HTML | PDF file (268 KB) | PS file (100 KB) | References



• X-ray/UV campaign on the Mrk 279 outflow: Density diagnostics in Active Galactic Nuclei using O v K-shell absorption lines     p. 57
  J. S. Kaastra, A. J. J. Raassen, R. Mewe, N. Arav, E. Behar, E. Costantini, J. R. Gabel, G. A. Kriss, D. Proga, M. Sako and K. C. Steenbrugge
  Abstract | Full HTML | PDF file (275 KB) | PS file (95.2 KB) | References



Galactic structure, stellar clusters and populations
• NGC 5385, NGC 2664 and Collinder 21: Three candidate open cluster remnants     p. 67
  S. Villanova, G. Carraro, R. de la Fuente Marcos and R. Stagni
  Abstract | Full HTML | PDF file (450 KB) | PS file (1.22 MB) | References



• Ages and metallicities of star clusters: New calibrations and diagnostic diagrams from visible integrated spectra     p. 79
  J. F. C. Santos Jr. and A. E. Piatti
  Abstract | Full HTML | PDF file (279 KB) | PS file (104 KB) | References



Interstellar and circumstellar matter
• Long-term evolution of FU Orionis objects at infrared wavelengths     p. 89
  P. Ábrahám, Á. Kóspál, Sz. Csizmadia, M. Kun, A. Moór and T. Prusti
  Abstract | Full HTML | PDF file (612 KB) | PS file (1.27 MB) | References



• On the thermal behaviour of small iron grains     p. 99
  J. Fischera
  Abstract | Full HTML | PDF file (437 KB) | PS file (241 KB) | References | Online Material



• AcDc - A new code for the NLTE spectral analysis of accretion discs: application to the helium CV AM CVn     p. 109
  T. Nagel, S. Dreizler, T. Rauch and K. Werner
  Abstract | Full HTML | PDF file (550 KB) | PS file (486 KB) | References



• The abundance of in diffuse clouds     p. 117
  H. Liszt, R. Lucas and J. H. Black
  Abstract | Full HTML | PDF file (144 KB) | PS file (42.2 KB) | References



Stellar structure and evolution
• A search for very young Planetary Nebulae     p. 121
  G. Umana, L. Cerrigone, C. Trigilio and R. A. Zappalà
  Abstract | Full HTML | PDF file (221 KB) | PS file (76.2 KB) | References



• Self consistent modelling of the projection factor for interferometric distance determination     p. 131
  N. Nardetto, A. Fokin, D. Mourard, Ph. Mathias, P. Kervella and D. Bersier
  Abstract | Full HTML | PDF file (199 KB) | PS file (65.1 KB) | References



• Electric field screening by a proton counterflow in the pulsar polar cap     p. 139
  K. Asano and F. Takahara
  Abstract | Full HTML | PDF file (232 KB) | PS file (100 KB) | References



• On the Hipparcos parallaxes of O stars     p. 149
  S. E. Schröder, L. Kaper, H. J. G. L. M. Lamers and A. G. A. Brown
  Abstract | Full HTML | PDF file (523 KB) | PS file (216 KB) | References



• The rate of period change in pulsating DB white dwarf stars     p. 159
  A. H. Córsico and L. G. Althaus
  Abstract | Full HTML | PDF file (250 KB) | PS file (117 KB) | References



• 2-dimensional models of rapidly rotating stars I. Uniformly rotating zero age main sequence stars     p. 171
  I. W. Roxburgh
  Abstract | Full HTML | PDF file (837 KB) | PS file (131 KB) | References



• Refined system parameters for the pre-cataclysmic binary NN Serpentis     p. 181
  R. Haefner, A. Fiedler, K. Butler and H. Barwig
  Abstract | Full HTML | PDF file (1.41 MB) | PS file (101 KB) | References



• Analytical representations of unified equations of state of neutron-star matter     p. 191
  P. Haensel and A. Y. Potekhin
  Abstract | Full HTML | PDF file (237 KB) | PS file (78.7 KB) | References



• Altair's inclination from line profile analysis     p. 199
  A. Reiners and F. Royer
  Abstract | Full HTML | PDF file (609 KB) | PS file (183 KB) | References


Research Note

• Astrometric monitoring of the binary brown dwarf DENIS-P J1228.2-1547     p. 205
  W. Brandner, E. L. Martín, H. Bouy, R. Köhler, X. Delfosse, G. Basri and M. Andersen
  Abstract | Full HTML | PDF file (131 KB) | PS file (36.3 KB) | References



Stellar atmospheres
• Synthetic photometry for non-radial pulsations in subdwarf B stars     p. 209
  B. Ramachandran, C. S. Jeffery and R. H. D. Townsend
  Abstract | Full HTML | PDF file (259 KB) | PS file (130 KB) | References



The Sun
• Observational evidence of Joule heating in some umbral dots     p. 215
  H. Hamedivafa and M. Sobotka
  Abstract | Full HTML | PDF file (184 KB) | PS file (674 KB) | References



• Variations of the hard X-ray footpoint asymmetry in a solar flare     p. 219
  M. Siarkowski and R. Falewicz
  Abstract | Full HTML | PDF file (948 KB) | PS file (815 KB) | References



• Dynamics of circularly polarised Alfvén waves in a stratified medium     p. 227
  R. Turkmani and U. Torkelsson
  Abstract | Full HTML | PDF file (1.23 MB) | PS file (334 KB) | References



Planets and planetary systems
• Arcuate graben of Venusian volcano-tectonic structures: The last phase of tectonic activity?     p. 235
  V.-P. Kostama and M. Aittola
  Abstract | Full HTML | PDF file (1.80 MB) | PS file (3.79 MB) | References



• Some features of Geminid meteoroid disintegration in the Earth's atmosphere     p. 241
  P. B. Babadzhanov and N. A. Konovalova
  Abstract | Full HTML | PDF file (189 KB) | PS file (214 KB) | References



• The transparency of the Solar System to the Oort cloud comets     p. 247
  P. A. Dybczynski
  Abstract | Full HTML | PDF file (272 KB) | PS file (108 KB) | References



Celestial mechanics and astrometry
• Effects of zonal deformations and the Earth's rotation rate variations on precession-nutation     p. 255
  S. Lambert and N. Capitaine
  Abstract | Full HTML | PDF file (171 KB) | PS file (43.3 KB) | References



• A long-term numerical solution for the insolation quantities of the Earth     p. 261
  J. Laskar, P. Robutel, F. Joutel, M. Gastineau, A. C. M. Correia and B. Levrard
  Abstract | Full HTML | PDF file (2.94 MB) | PS file (7.07 MB) | References



Instruments, observational techniques, and data processing
• A maximum likelihood approach to the destriping technique     p. 287
  E. Keihänen, H. Kurki-Suonio, T. Poutanen, D. Maino and C. Burigana
  Abstract | Full HTML | PDF file (699 KB) | PS file (304 KB) | References



• Trade-off between angular resolution and straylight contamination in the PLANCK Low Frequency Instrument - I. Pattern simulations     p. 299
  M. Sandri, F. Villa, R. Nesti, C. Burigana, M. Bersanelli and N. Mandolesi
  Abstract | Full HTML | PDF file (1.80 MB) | PS file (4.56 MB) | References



• Trade-off between angular resolution and straylight contamination in the PLANCK Low Frequency Instrument - II. Straylight evaluation     p. 311
  C. Burigana, M. Sandri, F. Villa, D. Maino, R. Paladini, C. Baccigalupi, M. Bersanelli and N. Mandolesi
  Abstract | Full HTML | PDF file (1.20 MB) | PS file (6.67 MB) | References | Online Material



• On the spectroastrometric separation of binary point-source fluxes     p. 327
  John M. Porter, R. D. Oudmaijer and D. Baines
  Abstract | Full HTML | PDF file (609 KB) | PS file (2.29 MB) | References



On-line catalogs and data
• The Capodimonte Deep Field - Presentation of the survey and first follow-up studies     p. 339
  J. M. Alcalá, M. Pannella, E. Puddu, M. Radovich, R. Silvotti, M. Arnaboldi, M. Capaccioli, G. Covone, M. Dall'Ora, G. De Lucia, A. Grado, G. Longo, A. Mercurio, I. Musella, N. Napolitano, M. Pavlov, A. Rifatto, V. Ripepi and R. Scaramella
  Abstract | Full HTML | PDF file (752 KB) | PS file (240 KB) | References

© ESO 2004