Astronomy & Astrophysics (A&A)

Letters

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Magnetic fields in Herbig Ae stars p. L1

S. Hubrig, M. Schöller and R. V. Yudin

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400091

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Polar magnetic flux on the Sun in 1996–2003 from SOHO/MDI data p. L5

E. E. Benevolenskaya

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400092

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400094

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First detection of dust clouds around R CrB variable stars p. L13

P. de Laverny and D. Mékarnia

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400095

Astrophysical processes

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Covariant gyrokinetic description of relativistic plasmas p. 1

A. Beklemishev and M. Tessarotto

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20034208

Cosmology (including clusters of galaxies)

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041326

Extragalactic astronomy

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Constraints for the accretion disk evaporation rate in AGN from the existence of the Broad Line Region p. 39

B. Czerny, A. Różańska and J. Kuraszkiewicz

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20040487

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041582

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041434

Galactic structure, stellar clusters, and populations

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041121

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041560

Interstellar and circumstellar matter

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20040315

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On the thermal behaviour of small iron grains p. 99

J. Fischera

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20034137

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041522

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The abundance of ⁺ in diffuse clouds p. 117

H. Liszt, R. Lucas and J. H. Black

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041649

Stellar structure and evolution

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A search for very young Planetary Nebulae p. 121

G. Umana, L. Cerrigone, C. Trigilio and R. A. Zappalà

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400059

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041419

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Electric field screening by a proton counterflow in the pulsar polar cap p. 139

K. Asano and F. Takahara

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041116

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20047185

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The rate of period change in pulsating DB white dwarf stars p. 159

A. H. Córsico and L. G. Althaus

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041372

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2-dimensional models of rapidly rotating stars I. Uniformly rotating zero age main sequence stars p. 171

I. W. Roxburgh

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041202

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Refined system parameters for the pre-cataclysmic binary NN Serpentis p. 181

R. Haefner, A. Fiedler, K. Butler and H. Barwig

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041397

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Analytical representations of unified equations of state of neutron-star matter p. 191

P. Haensel and A. Y. Potekhin

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041722

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Altair's inclination from line profile analysis p. 199

A. Reiners and F. Royer

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041315

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041912

Stellar atmospheres

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Synthetic photometry for non-radial pulsations in subdwarf B stars p. 209

B. Ramachandran, C. S. Jeffery and R. H. D. Townsend

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041266

The Sun

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Observational evidence of Joule heating in some umbral dots p. 215

H. Hamedivafa and M. Sobotka

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041515

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Variations of the hard X-ray footpoint asymmetry in a solar flare p. 219

M. Siarkowski and R. Falewicz

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041036

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Dynamics of circularly polarised Alfvén waves in a stratified medium p. 227

R. Turkmani and U. Torkelsson

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041071

Planets and planetary systems

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Arcuate graben of Venusian volcano-tectonic structures: The last phase of tectonic activity? p. 235

V.-P. Kostama and M. Aittola

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400061

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Some features of Geminid meteoroid disintegration in the Earth's atmosphere p. 241

P. B. Babadzhanov and N. A. Konovalova

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041398

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The transparency of the Solar System to the Oort cloud comets p. 247

P. A. Dybczyński

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041225

Celestial mechanics and astrometry

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Effects of zonal deformations and the Earth's rotation rate variations on precession-nutation p. 255

S. Lambert and N. Capitaine

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20035952

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041335

Astronomical instrumentation

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A maximum likelihood approach to the destriping technique p. 287

E. Keihänen, H. Kurki-Suonio, T. Poutanen, D. Maino and C. Burigana

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:200400060

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041435

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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

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20041403

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On the spectroastrometric separation of binary point-source fluxes p. 327

John M. Porter, R. D. Oudmaijer and D. Baines

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20035686

Catalogs and data

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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 et al. (9 more)

Published online: 23 November 2004

DOI: https://doi.org/10.1051/0004-6361:20034099

Astronomy & Astrophysics

Volume 428 / No 1 (December II 2004)

Letters

Magnetic fields in Herbig Ae stars p. L1

Polar magnetic flux on the Sun in 1996–2003 from SOHO/MDI data p. L5

Lead abundance in the uranium star CS 31082-001 p. L9

First detection of dust clouds around R CrB variable stars p. L13

Astrophysical processes

Covariant gyrokinetic description of relativistic plasmas p. 1

Cosmology (including clusters of galaxies)

The Brera Multi-scale Wavelet HRI Cluster Survey - I. Selection of the sample and number counts p. 21

Extragalactic astronomy

Constraints for the accretion disk evaporation rate in AGN from the existence of the Broad Line Region p. 39

The first XMM-Newton study of two Narrow-Line Seyfert 1 galaxies discovered in the Sloan Digital Sky Survey p. 51

X-ray/UV campaign on the Mrk 279 outflow: Density diagnostics in Active Galactic Nuclei using O v K-shell absorption lines p. 57

Galactic structure, stellar clusters, and populations

NGC 5385, NGC 2664 and Collinder 21: Three candidate open cluster remnants p. 67

Ages and metallicities of star clusters: New calibrations and diagnostic diagrams from visible integrated spectra p. 79

Interstellar and circumstellar matter

Long-term evolution of FU Orionis objects at infrared wavelengths p. 89

On the thermal behaviour of small iron grains p. 99

AcDc – A new code for the NLTE spectral analysis of accretion discs: application to the helium CV AM CVn p. 109

The abundance of + in diffuse clouds p. 117

Stellar structure and evolution

A search for very young Planetary Nebulae p. 121

Self consistent modelling of the projection factor for interferometric distance determination p. 131

Electric field screening by a proton counterflow in the pulsar polar cap p. 139

On the Hipparcos parallaxes of O stars p. 149

The rate of period change in pulsating DB white dwarf stars p. 159

2-dimensional models of rapidly rotating stars I. Uniformly rotating zero age main sequence stars p. 171

Refined system parameters for the pre-cataclysmic binary NN Serpentis p. 181

Analytical representations of unified equations of state of neutron-star matter p. 191

Altair's inclination from line profile analysis p. 199

Astrometric monitoring of the binary brown dwarf DENIS-P J1228.2-1547 p. 205

Stellar atmospheres

Synthetic photometry for non-radial pulsations in subdwarf B stars p. 209

The Sun

Observational evidence of Joule heating in some umbral dots p. 215

Variations of the hard X-ray footpoint asymmetry in a solar flare p. 219

Dynamics of circularly polarised Alfvén waves in a stratified medium p. 227

Planets and planetary systems

Arcuate graben of Venusian volcano-tectonic structures: The last phase of tectonic activity? p. 235

Some features of Geminid meteoroid disintegration in the Earth's atmosphere p. 241

The transparency of the Solar System to the Oort cloud comets p. 247

Celestial mechanics and astrometry

Effects of zonal deformations and the Earth's rotation rate variations on precession-nutation p. 255

A long-term numerical solution for the insolation quantities of the Earth p. 261

Astronomical instrumentation

A maximum likelihood approach to the destriping technique p. 287

Trade-off between angular resolution and straylight contamination in the PLANCK Low Frequency Instrument - I. Pattern simulations p. 299

Trade-off between angular resolution and straylight contamination in the PLANCK Low Frequency Instrument - II. Straylight evaluation p. 311

On the spectroastrometric separation of binary point-source fluxes p. 327

Catalogs and data

The Capodimonte Deep Field - Presentation of the survey and first follow-up studies p. 339

The abundance of ⁺ in diffuse clouds p. 117