Astronomy & Astrophysics (A&A)

Letters

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The bright optical flash from GRB 060117 p. L119

M. Jelínek, M. Prouza, P. Kubánek, R. Hudec, M. Nekola, J. Řídký, J. Grygar, M. Boháčová, A. J. Castro-Tirado, J. Gorosabel et al. (12 more)

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065092

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Are short γ-ray bursts collimated? GRB 050709, a flare but no break p. L123

D. Watson, J. Hjorth, P. Jakobsson, D. Xu, J. P. U. Fynbo, J. Sollerman, C. C. Thöne and K. Pedersen

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065380

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[Ar III]/[O III] and [S III]/[O III]: well-behaved oxygen abundance indicators for HII regions and star forming galaxies p. L127

G. Stasińska

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065516

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The impact of magnetic field on the cluster M – T relation p. L131

S. Colafrancesco and F. Giordano

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065404

Astrophysical processes

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Cosmic rays X. The cosmic ray knee and beyond: diffusive acceleration at oblique shocks p. 687

A. Meli and P. L. Biermann

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064964

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How accurate are the time delay estimates in gravitational lensing? p. 695

J. C. Cuevas-Tello, P. Tiňo and S. Raychaudhury

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054652

Cosmology (including clusters of galaxies)

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Cosmological constraints on f(R) gravity theories within the Palatini approach p. 707

M. Amarzguioui, Ø. Elgarøy, D. F. Mota and T. Multamäki

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064994

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Erratum

Probing dark matter caustics with weak lensing p. 715

R. Gavazzi, R. Mohayaee and B. Fort

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053557e

Extragalactic astronomy

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The evolved asymptotic giant branch stars in the central bar of the dwarf irregular galaxy NGC 6822 p. 717

A. Kang, Y.-J. Sohn, H.-I. Kim, J. Rhee, J.-W. Kim, N. Hwang, M. G. Lee, Y.-C. Kim and M.-S. Chun

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054763

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European VLBI network observations of fourteen GHz-peaked-spectrum radio sources at 5 GHz p. 729

L. Xiang, C. Reynolds, R. G. Strom and D. Dallacasa

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053885

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The structure and X-ray radiation spectra of illuminated accretion disks in AGN - III. Modeling fractional variability p. 741

R. W. Goosmann, B. Czerny, M. Mouchet, G. Ponti, M. Dovčiak, V. Karas, A. Różańska and A.-M. Dumont

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054344

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GRB 051210: Swift detection of a short gamma ray burst p. 753

V. La Parola, V. Mangano, D. Fox, B. Zhang, H. A. Krimm, G. Cusumano, T. Mineo, D. N. Burrows, S. Barthelmy, S. Campana et al. (12 more)

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065083

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The structure of galactic disks - Studying late-type spiral galaxies using SDSS p. 759

M. Pohlen and I. Trujillo

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064883

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Erratum

Optical novae: the major class of supersoft X-ray sources in M 31 p. 773

W. Pietsch, J. Fliri, M. J. Freyberg, J. Greiner, F. Haberl, A. Riffeser and G. Sala

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053127e

Galactic structure, stellar clusters, and populations

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Observations of 14 young open star clusters with the HEGRA system of Cherenkov telescopes p. 775

F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlöhr, H.-G. Börst, H. Bojahr, O. Bolz, T. Coarasa, J. L. Contreras, J. Cortina et al. (42 more)

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053234

Interstellar and circumstellar matter

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2MASS wide field extinction maps - I. The Pipe nebula p. 781

M. Lombardi, J. Alves and C. J. Lada

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20042474

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Stationary field-aligned MHD flows at astropauses and in astrotails - Principles of a counterflow configuration between a stellar wind and its interstellar medium wind p. 797

D. H. Nickeler, J. P. Goedbloed and H.-J. Fahr

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053062

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The fate of discs around massive stars in young clusters p. 811

S. Pfalzner, C. Olczak and A. Eckart

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064905

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The nature of turbulence in OMC1 at the scale of star formation: observations and simulations p. 815

M. Gustafsson, A. Brandenburg, J. L. Lemaire and D. Field

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054658

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Optical polarimetric monitoring of the type II-plateau SN 2005af p. 827

A. Pereyra, A. M. Magalhães, C. V. Rodrigues, C. R. Silva, R. Campos, G. Hickel and D. Cieslinski

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065207

Stellar structure and evolution

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Spectrometric composition of nearby K dwarfs p. 833

E. Kotoneva, J. R. Shi, G. Zhao and Y. J. Liu

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20042498

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Precise radial velocities with BOES - Detection of low-amplitude pulsations in the K-giant α Arietis p. 839

K. M. Kim, D. E. Mkrtichian, B.-C. Lee, Inwoo Han and A. P. Hatzes

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053073

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Full evolutionary models for PG 1159 stars. Implications for the helium-rich O(He) stars p. 845

M. M. Miller Bertolami and L. G. Althaus

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054723

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Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis p. 855

K. Pavlovski, G. Burki and P. Mimica

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054733

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Asteroseismic inferences on GW Virginis variable stars in the frame of new PG 1159 evolutionary models p. 863

A. H. Córsico and L. G. Althaus

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054199

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2-dimensional models of rapidly rotating stars - II. Hydrostatic and acoustic models with p. 883

I. W. Roxburgh

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065109

Stellar atmospheres

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Opacity in the upper atmospheres of active stars - II. AD Leonis p. 889

D. J. Christian, M. Mathioudakis, D. S. Bloomfield, J. Dupuis, F. P. Keenan, D. L. Pollacco and R. F. Malina

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054404

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Analysis of 26 barium stars - I. Abundances p. 895

D. M. Allen and B. Barbuy

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064912

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Analysis of 26 barium stars - II. Contributions of s-, r-, and p-processes in the production of heavy elements p. 917

D. M. Allen and B. Barbuy

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064968

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Stellar model atmospheres with magnetic line blanketing - III. The role of magnetic field inclination p. 933

S. A. Khan and D. V. Shulyak

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064938

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Precise radial velocities of giant stars - I. Stable stars p. 943

S. Hekker, S. Reffert, A. Quirrenbach, D. S. Mitchell, D. A. Fischer, G. W. Marcy and R. P. Butler

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064946

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New DQ white dwarfs in the Sloan Digital Sky Survey DR4: confirmation of two sequences p. 951

D. Koester and S. Knist

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065287

The Sun

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Gyrokinetic electron acceleration in the force-free corona with anomalous resistivity p. 957

K. Arzner and L. Vlahos

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064953

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Electron acceleration by the reconnection outflow shock during solar flares p. 969

G. Mann, H. Aurass and A. Warmuth

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20064990

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The flow field in the sunspot canopy p. 975

R. Rezaei, R. Schlichenmaier, C. Beck and L. R. Bellot Rubio

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065180

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Simulated enhancement of solar type II radio bursts during the collision of two shocks associated with coronal mass ejections p. 983

J. I. Sakai, T. Mori, S. Saito, Y. Tanaka and H. Aurass

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065130

Planets and planetary systems

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Radial distribution of planets - Predictions based on the core-accretion gas-capture planet-formation model p. 989

K. Kornet and S. Wolf

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053895

Instruments, observational techniques, and data processing

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Matched filters for source detection in the Poissonian noise regime p. 997

I. M. Stewart

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053498

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Speckle reconstruction of photometric data observed with adaptive optics p. 1011

K. G. Puschmann and M. Sailer

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053918

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Curvelet analysis of asteroseismic data - I. Method description and application to simulated sun-like stars p. 1021

P. Lambert, S. Pires, J. Ballot, R. A. García, J.-L. Starck and S. Turck-Chièze

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20054541

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Ground-based CCD astrometry with wide field imagers - I. Observations just a few years apart allow decontamination of field objects from members in two globular clusters p. 1029

J. Anderson, L. R. Bedin, G. Piotto, R. S. Yadav and A. Bellini

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20065004

Online catalogs and data

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An XMM-Newton view of the young open cluster NGC 6231 - I. The catalogue p. 1047

H. Sana, E. Gosset, G. Rauw, H. Sung and J.-M. Vreux

Published online: 17 July 2006

DOI: https://doi.org/10.1051/0004-6361:20053224

Astronomy & Astrophysics

Volume 454 / No 3 (August II 2006)

Letters

The bright optical flash from GRB 060117 p. L119

Are short γ-ray bursts collimated? GRB 050709, a flare but no break p. L123

[Ar III]/[O III] and [S III]/[O III]: well-behaved oxygen abundance indicators for HII regions and star forming galaxies p. L127

The impact of magnetic field on the cluster M – T relation p. L131

Astrophysical processes

Cosmic rays X. The cosmic ray knee and beyond: diffusive acceleration at oblique shocks p. 687

How accurate are the time delay estimates in gravitational lensing? p. 695

Cosmology (including clusters of galaxies)

Cosmological constraints on f(R) gravity theories within the Palatini approach p. 707

Probing dark matter caustics with weak lensing p. 715

Extragalactic astronomy

The evolved asymptotic giant branch stars in the central bar of the dwarf irregular galaxy NGC 6822 p. 717

European VLBI network observations of fourteen GHz-peaked-spectrum radio sources at 5 GHz p. 729

The structure and X-ray radiation spectra of illuminated accretion disks in AGN - III. Modeling fractional variability p. 741

GRB 051210: Swift detection of a short gamma ray burst p. 753

The structure of galactic disks - Studying late-type spiral galaxies using SDSS p. 759

Optical novae: the major class of supersoft X-ray sources in M 31 p. 773

Galactic structure, stellar clusters, and populations

Observations of 14 young open star clusters with the HEGRA system of Cherenkov telescopes p. 775

Interstellar and circumstellar matter

2MASS wide field extinction maps - I. The Pipe nebula p. 781

Stationary field-aligned MHD flows at astropauses and in astrotails - Principles of a counterflow configuration between a stellar wind and its interstellar medium wind p. 797

The fate of discs around massive stars in young clusters p. 811

The nature of turbulence in OMC1 at the scale of star formation: observations and simulations p. 815

Optical polarimetric monitoring of the type II-plateau SN 2005af p. 827

Stellar structure and evolution

Spectrometric composition of nearby K dwarfs p. 833

Precise radial velocities with BOES - Detection of low-amplitude pulsations in the K-giant α Arietis p. 839

Full evolutionary models for PG 1159 stars. Implications for the helium-rich O(He) stars p. 845

Indirect imaging of an accretion disk rim in the long-period interacting binary W Crucis p. 855

Asteroseismic inferences on GW Virginis variable stars in the frame of new PG 1159 evolutionary models p. 863

2-dimensional models of rapidly rotating stars - II. Hydrostatic and acoustic models with p. 883

Stellar atmospheres

Opacity in the upper atmospheres of active stars - II. AD Leonis p. 889

Analysis of 26 barium stars - I. Abundances p. 895

Analysis of 26 barium stars - II. Contributions of s-, r-, and p-processes in the production of heavy elements p. 917

Stellar model atmospheres with magnetic line blanketing - III. The role of magnetic field inclination p. 933

Precise radial velocities of giant stars - I. Stable stars p. 943

New DQ white dwarfs in the Sloan Digital Sky Survey DR4: confirmation of two sequences p. 951

The Sun

Gyrokinetic electron acceleration in the force-free corona with anomalous resistivity p. 957

Electron acceleration by the reconnection outflow shock during solar flares p. 969

The flow field in the sunspot canopy p. 975

Simulated enhancement of solar type II radio bursts during the collision of two shocks associated with coronal mass ejections p. 983

Planets and planetary systems

Radial distribution of planets - Predictions based on the core-accretion gas-capture planet-formation model p. 989

Instruments, observational techniques, and data processing

Matched filters for source detection in the Poissonian noise regime p. 997

Speckle reconstruction of photometric data observed with adaptive optics p. 1011

Curvelet analysis of asteroseismic data - I. Method description and application to simulated sun-like stars p. 1021

Ground-based CCD astrometry with wide field imagers - I. Observations just a few years apart allow decontamination of field objects from members in two globular clusters p. 1029

Online catalogs and data

An XMM-Newton view of the young open cluster NGC 6231 - I. The catalogue p. 1047