Astronomy & Astrophysics (A&A)

Letters

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First albedo determination of 2867 Steins, target of the Rosetta mission p. L9

S. Fornasier, I. Belskaya, M. Fulchignoni, M. A. Barucci and C. Barbieri

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20064913

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First AU-scale observations of V1647 Orionis with VLTI/MIDI p. L13

P. Ábrahám, L. Mosoni, Th. Henning, Á. Kóspál, Ch. Leinert, S. P. Quanz and Th. Ratzka

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20064841

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Large amplitude oscillation of a polar crown filament in the pre-eruption phase p. L17

H. Isobe and D. Tripathi

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20064942

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INTEGRAL observations of the blazar 3C 454.3 in outburst p. L21

E. Pian, L. Foschini, V. Beckmann, S. Soldi, M. Türler, N. Gehrels, G. Ghisellini, P. Giommi, L. Maraschi, T. Pursimo et al. (15 more)

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:200600017

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A strong case for fast stellar rotation at very low metallicities p. L27

C. Chiappini, R. Hirschi, G. Meynet, S. Ekström, A. Maeder and F. Matteucci

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20064866

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Magnetars as persistent hard X-ray sources: INTEGRAL discovery of a hard tail in SGR 1900+14 p. L31

D. Götz, S. Mereghetti, A. Tiengo and P. Esposito

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20064870

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Observation of kink waves in solar spicules p. L35

V. Kukhianidze, T. V. Zaqarashvili and E. Khutsishvili

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:200600018

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Erratum

The periods of the intermediate polar RX J0153.3+7446 p. L39

A. J. Norton and J. D. Tanner

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20065191e

Astrophysical processes

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The effect of heat conduction on the interaction of disk and corona around black holes p. 443

E. Meyer-Hofmeister and F. Meyer

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053997

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Comment on “PIC simulations of circularly polarised Alfvén wave phase mixing: a new mechanism for electron acceleration in collisionless plasmas” by Tsiklauri et al. p. 449

F. Mottez, V. Génot and P. Louarn

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054229

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A differential rotation driven dynamo in a stably stratified star p. 451

J. Braithwaite

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054241

Cosmology (including clusters of galaxies)

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Internal dynamics of the radio halo cluster Abell 2744 p. 461

W. Boschin, M. Girardi, M. Spolaor and R. Barrena

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054408

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XMM-Newton spectroscopy of the cluster of galaxies 2A 0335+096 p. 475

N. Werner, J. de Plaa, J. S. Kaastra, Jacco Vink, J. A. M. Bleeker, T. Tamura, J. R. Peterson and F. Verbunt

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053868

Extragalactic astronomy

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The role of absorption and reflection in the soft X-ray excess of Active Galactic Nuclei - I. Preliminary results p. 493

L. Chevallier, S. Collin, A.-M. Dumont, B. Czerny, M. Mouchet, A. C. Gonçalves and R. Goosmann

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053730

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Modelling galaxies with a 3d multi-phase ISM p. 509

S. Harfst, Ch. Theis and G. Hensler

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20042190

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Peculiarities and populations in elliptical galaxies - III. Dating the last star formation event p. 519

R. Michard

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053923

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Fine structure in the phase space distribution of nearby subdwarfs p. 533

M. I. Arifyanto and B. Fuchs

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054355

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Multi-wavelength study of the gravitational lens system RXS J113155.4-123155 - I. Multi-epoch optical and near infrared imaging p. 539

D. Sluse, J.-F. Claeskens, B. Altieri, R. A. Cabanac, O. Garcet, D. Hutsemékers, C. Jean, A. Smette and J. Surdej

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053148

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A model for the X-ray absorption in Compton-thin AGN p. 551

A. Lamastra, G. C. Perola and G. Matt

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054014

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Radio properties of FIR-megamaser nuclei p. 559

W. A. Baan and H.-R. Klöckner

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20042331

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On the light curve shape of Cepheids in IC 1613 and NGC 6822 p. 569

E. Antonello

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054191

Galactic structure, stellar clusters, and populations

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Gravitationally unstable gaseous disks of flat galaxies p. 573

E. Griv

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053606

Interstellar and circumstellar matter

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Temperature effects on the mid-and far-infrared spectra of olivine particles p. 583

C. Koike, H. Mutschke, H. Suto, T. Naoi, H. Chihara, Th. Henning, C. Jäger, A. Tsuchiyama, J. Dorschner and H. Okuda

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053256

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Polarization of radiation scattered in magnetized turbulent envelopes p. 597

N. A. Silant'ev

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053343

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The effect of a strong external radiation field on protostellar envelopes in Orion p. 609

J. K. Jørgensen, D. Johnstone, E. F. van Dishoeck and S. D. Doty

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053011

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The importance of the ortho:para H₂ ratio for the deuteration of molecules during pre-protostellar collapse p. 621

D. R. Flower, G. Pineau des Forêts and C. M. Walmsley

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054246

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Modeling the ortho-to-para abundance ratio of cyclic C₃H₂ in cold dense cores p. 631

I. H. Park, V. Wakelam and E. Herbst

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054420

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Very high energy γ ray absorption by the galactic interstellar radiation field p. 641

J.-L. Zhang, X.-J. Bi and H.-B. Hu

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054422

Stellar structure and evolution

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Time-resolved observations of the short period CV SDSS J123813.73-033933.0 p. 645

S. V. Zharikov, G. H. Tovmassian, R. Napiwotzki, R. Michel and V. Neustroev

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053597

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CNO in evolved intermediate mass stars p. 655

R. Smiljanic, B. Barbuy, J. R. De Medeiros and A. Maeder

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054377

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Effects of moderately fast shellular rotation on adiabatic oscillations p. 673

J. C. Suárez, M. J. Goupil and P. Morel

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054181

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Wind accretion in the massive X-ray binary 4U 2206+54: abnormally slow wind and a moderately eccentric orbit p. 687

M. Ribó, I. Negueruela, P. Blay, J. M. Torrejón and P. Reig

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054206

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Hipparcos astrometric orbits for two brown dwarf companions: HD 38529 and HD 168443 p. 699

S. Reffert and A. Quirrenbach

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054611

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Correlated X-ray spectral and timing variability of the Be/X-ray binary V0332+53/BQ Camelopardalis during a type II outburst p. 703

P. Reig, S. Martínez-Núñez and V. Reglero

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054289

Stellar atmospheres

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Reduced Wolf-Rayet line luminosities at low metallicity p. 711

P. A. Crowther and L. J. Hadfield

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054298

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Abundances of refractory elements in the atmospheres of stars with extrasolar planets p. 723

G. Gilli, G. Israelian, A. Ecuvillon, N. C. Santos and M. Mayor

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053850

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XMM-Newton X-ray spectroscopy of classical T Tauri stars p. 737

J. Robrade and J. H. M. M. Schmitt

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054247

The Sun

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Particle acceleration in stochastic current sheets in stressed coronal active regions p. 749

R. Turkmani, P. J. Cargill, K. Galsgaard, L. Vlahos and H. Isliker

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053548

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First high spectral resolution VUV full-Sun spectrum compared to cool stars p. 759

Hardi Peter

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054337

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Fast magnetoacoustic waves in curved coronal loops - II. Tunneling modes p. 769

E. Verwichte, C. Foullon and V. M. Nakariakov

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054398

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Development of twist in an emerging magnetic flux tube by poloidal field accretion p. 781

P. Chatterjee, A. R. Choudhuri and K. Petrovay

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054401

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Coordinate systems for solar image data p. 791

W. T. Thompson

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054262

Planets and planetary systems

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A search for water masers toward extrasolar planets p. 805

V. Minier and C. Lineweaver

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20052957

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Abundance ratios of volatile vs. refractory elements in planet-harbouring stars: hints of pollution? p. 809

A. Ecuvillon, G. Israelian, N. C. Santos, M. Mayor and G. Gilli

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054534

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Dynamical origin of the asteroid (25143) Itokawa: the target of the sample-return Hayabusa space mission p. 817

P. Michel and M. Yoshikawa

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054319

Celestial mechanics and astrometry

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Orbital resonance widths in a uniformly rotating second degree and order gravity field p. 821

Ø. Olsen

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054451

Instruments, observational techniques, and data processing

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Chromaticity in all-reflective telescopes for astrometry p. 827

D. Busonero, M. Gai, D. Gardiol, M. G. Lattanzi and D. Loreggia

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054180

Online catalogs and data

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ESO imaging survey: optical follow-up of 12 selected XMM-Newton fields p. 837

J. P. Dietrich, J.-M. Miralles, L. F. Olsen, L. da Costa, A. Schwope, C. Benoist, V. Hambaryan, A. Mignano, C. Motch, C. Rité et al. (5 more)

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20053785

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Linelists for NH₃, NH₂D, ND₂H, and ND₃ with quadrupole coupling hyperfine components p. 855

L. H. Coudert and E. Roueff

Published online: 21 March 2006

DOI: https://doi.org/10.1051/0004-6361:20054136

Astronomy & Astrophysics

Volume 449 / No 2 (April II 2006)

Letters

First albedo determination of 2867 Steins, target of the Rosetta mission p. L9

First AU-scale observations of V1647 Orionis with VLTI/MIDI p. L13

Large amplitude oscillation of a polar crown filament in the pre-eruption phase p. L17

INTEGRAL observations of the blazar 3C 454.3 in outburst p. L21

A strong case for fast stellar rotation at very low metallicities p. L27

Magnetars as persistent hard X-ray sources: INTEGRAL discovery of a hard tail in SGR 1900+14 p. L31

Observation of kink waves in solar spicules p. L35

The periods of the intermediate polar RX J0153.3+7446 p. L39

Astrophysical processes

The effect of heat conduction on the interaction of disk and corona around black holes p. 443

Comment on “PIC simulations of circularly polarised Alfvén wave phase mixing: a new mechanism for electron acceleration in collisionless plasmas” by Tsiklauri et al. p. 449

A differential rotation driven dynamo in a stably stratified star p. 451

Cosmology (including clusters of galaxies)

Internal dynamics of the radio halo cluster Abell 2744 p. 461

XMM-Newton spectroscopy of the cluster of galaxies 2A 0335+096 p. 475

Extragalactic astronomy

The role of absorption and reflection in the soft X-ray excess of Active Galactic Nuclei - I. Preliminary results p. 493

Modelling galaxies with a 3d multi-phase ISM p. 509

Peculiarities and populations in elliptical galaxies - III. Dating the last star formation event p. 519

Fine structure in the phase space distribution of nearby subdwarfs p. 533

Multi-wavelength study of the gravitational lens system RXS J113155.4-123155 - I. Multi-epoch optical and near infrared imaging p. 539

A model for the X-ray absorption in Compton-thin AGN p. 551

Radio properties of FIR-megamaser nuclei p. 559

On the light curve shape of Cepheids in IC 1613 and NGC 6822 p. 569

Galactic structure, stellar clusters, and populations

Gravitationally unstable gaseous disks of flat galaxies p. 573

Interstellar and circumstellar matter

Temperature effects on the mid-and far-infrared spectra of olivine particles p. 583

Polarization of radiation scattered in magnetized turbulent envelopes p. 597

The effect of a strong external radiation field on protostellar envelopes in Orion p. 609

The importance of the ortho:para H2 ratio for the deuteration of molecules during pre-protostellar collapse p. 621

Modeling the ortho-to-para abundance ratio of cyclic C3H2 in cold dense cores p. 631

Very high energy γ ray absorption by the galactic interstellar radiation field p. 641

Stellar structure and evolution

Time-resolved observations of the short period CV SDSS J123813.73-033933.0 p. 645

CNO in evolved intermediate mass stars p. 655

Effects of moderately fast shellular rotation on adiabatic oscillations p. 673

Wind accretion in the massive X-ray binary 4U 2206+54: abnormally slow wind and a moderately eccentric orbit p. 687

Hipparcos astrometric orbits for two brown dwarf companions: HD 38529 and HD 168443 p. 699

Correlated X-ray spectral and timing variability of the Be/X-ray binary V0332+53/BQ Camelopardalis during a type II outburst p. 703

Stellar atmospheres

Reduced Wolf-Rayet line luminosities at low metallicity p. 711

Abundances of refractory elements in the atmospheres of stars with extrasolar planets p. 723

XMM-Newton X-ray spectroscopy of classical T Tauri stars p. 737

The Sun

Particle acceleration in stochastic current sheets in stressed coronal active regions p. 749

First high spectral resolution VUV full-Sun spectrum compared to cool stars p. 759

Fast magnetoacoustic waves in curved coronal loops - II. Tunneling modes p. 769

Development of twist in an emerging magnetic flux tube by poloidal field accretion p. 781

Coordinate systems for solar image data p. 791

Planets and planetary systems

A search for water masers toward extrasolar planets p. 805

Abundance ratios of volatile vs. refractory elements in planet-harbouring stars: hints of pollution? p. 809

Dynamical origin of the asteroid (25143) Itokawa: the target of the sample-return Hayabusa space mission p. 817

Celestial mechanics and astrometry

Orbital resonance widths in a uniformly rotating second degree and order gravity field p. 821

Instruments, observational techniques, and data processing

Chromaticity in all-reflective telescopes for astrometry p. 827

Online catalogs and data

ESO imaging survey: optical follow-up of 12 selected XMM-Newton fields p. 837

Linelists for NH3, NH2D, ND2H, and ND3 with quadrupole coupling hyperfine components p. 855

The importance of the ortho:para H₂ ratio for the deuteration of molecules during pre-protostellar collapse p. 621

Modeling the ortho-to-para abundance ratio of cyclic C₃H₂ in cold dense cores p. 631

Linelists for NH₃, NH₂D, ND₂H, and ND₃ with quadrupole coupling hyperfine components p. 855