Astronomy & Astrophysics (A&A)

Letters

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Discovery of a point-like very-high-energy γ-ray source in Monoceros p. L1

F. A. Aharonian, A. G. Akhperjanian, A. R. Bazer-Bachi, B. Behera, M. Beilicke, W. Benbow, D. Berge, K. Bernlöhr, C. Boisson, O. Bolz et al. (121 more)

Published online: 29 March 2007

DOI: https://doi.org/10.1051/0004-6361:20077299

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Swift/XRT observes the fifth outburst of the periodic supergiant fast X-ray transient IGR J11215-5952 p. L5

P. Romano, L. Sidoli, V. Mangano, S. Mereghetti and G. Cusumano

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077383

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Opposite magnetic polarity of two photospheric lines in single spectrum of the quiet Sun p. L9

R. Rezaei, R. Schlichenmaier, W. Schmidt and O. Steiner

Published online: 10 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077441

Press Release

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REM observations of GRB 060418 and GRB 060607A: the onset of the afterglow and the initial fireball Lorentz factor determination p. L13

E. Molinari, S. D. Vergani, D. Malesani, S. Covino, P. D'Avanzo, G. Chincarini, F. M. Zerbi, L. A. Antonelli, P. Conconi, V. Testa et al. (25 more)

Published online: 02 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077388

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XMM-Newton observations of the first unidentified TeV gamma-ray source TeV J2032+4130 p. L17

D. Horns, A. I. D. Hoffmann, A. Santangelo, F. A. Aharonian and G. P. Rowell

Published online: 02 May 2007

DOI: https://doi.org/10.1051/0004-6361:20066836

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Physical properties of the jet in 0836+710 revealed by its transversal structure p. L23

M. Perucho and A. P. Lobanov

Published online: 02 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077610

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IGR J17254-3257, a new bursting neutron star p. L27

J. Chenevez, M. Falanga, E. Kuulkers, R. Walter, L. Bildsten, S. Brandt, N. Lund, T. Oosterbroek and J. Zurita Heras

Published online: 10 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077494

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On the optical counterpart of NGC 300 X-1 and the global Wolf-Rayet content of NGC 300 p. L31

P. A. Crowther, S. Carpano, L. J. Hadfield and A. M. T. Pollock

Published online: 16 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077677

Astrophysical processes

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Spectral and timing properties of a dissipative -ray burst photosphere p. 1

D. Giannios and H. C. Spruit

Published online: 26 March 2007

DOI: https://doi.org/10.1051/0004-6361:20066739

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Flow instabilities of magnetic flux tubes - II. Longitudinal flow p. 11

V. Holzwarth, D. Schmitt and M. Schüssler

Published online: 02 May 2007

DOI: https://doi.org/10.1051/0004-6361:20077269

Extragalactic astronomy

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The ultraviolet properties of luminous infrared galaxies at z ~ 0.7 - Is there any evolution in their dust attenuation? p. 19

V. Buat, D. Marcillac, D. Burgarella, E. Le Floc'h, T. T. Takeuchi, J. Iglesias-Parámo and C. K. Xu

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066685

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The XMM-Newton serendipitous survey - III. The AXIS X-ray source counts and angular clustering p. 27

F. J. Carrera, J. Ebrero, S. Mateos, M. T. Ceballos, A. Corral, X. Barcons, M. J. Page, S. R. Rosen, M. G. Watson, J. A. Tedds et al. (7 more)

Published online: 11 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066271

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EROs found behind lensing clusters - I. Stellar populations and dust properties of optical dropout EROs and comparison with related objects p. 47

D. Schaerer, A. Hempel, E. Egami, R. Pelló, J. Richard, J.-F. Le Borgne, J.-P. Kneib, M. Wise and F. Boone

Published online: 11 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077127

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Clues to the nature of high-redshift O vi absorption systems from their lack of small-scale structure p. 61

S. Lopez, S. Ellison, S. D'Odorico and T.-S. Kim

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20065301

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The host galaxy/AGN connection - Brightness profiles of early-type galaxies hosting Seyfert nuclei p. 75

A. Capetti and B. Balmaverde

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066684

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The elliptical galaxies NGC 1052 and NGC 7796 - Stellar populations and abundance ratio α/Fe p. 89

A. de C. Milone, M. G. Rickes and M. G. Pastoriza

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20054615

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Probing MACHOs by observation of M 31 pixel lensing with the 1.5 m Loiano telescope p. 115

S. Calchi Novati, G. Covone, F. De Paolis, M. Dominik, Y. Giraud-Héraud, G. Ingrosso, Ph. Jetzer, L. Mancini, A. Nucita, G. Scarpetta et al. (2 more)

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077075

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Upper limits to the water abundance in starburst galaxies p. 121

C. D. Wilson, R. S. Booth, A. O. H. Olofsson, M. Olberg, C. M. Persson, Aa. Sandqvist, Å. Hjalmarson, V. Buat, P. J. Encrenaz, M. Fich et al. (4 more)

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066621

Galactic structure, stellar clusters, and populations

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The structure of the nuclear stellar cluster of the Milky Way p. 125

R. Schödel, A. Eckart, T. Alexander, D. Merritt, R. Genzel, A. Sternberg, L. Meyer, F. Kul, J. Moultaka, T. Ott and C. Straubmeier

Published online: 16 May 2007

DOI: https://doi.org/10.1051/0004-6361:20065089

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Bright globular clusters in NGC 5128: the missing link between young massive clusters and evolved massive objects p. 147

M. Rejkuba, P. Dubath, D. Minniti and G. Meylan

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066493

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Tracing mixing in stars: new beryllium observations of the open clusters NGC 2516, Hyades, and M 67 p. 163

S. Randich, F. Primas, L. Pasquini, P. Sestito and R. Pallavicini

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066218

Interstellar and circumstellar matter

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Dissipative structures of diffuse molecular gas - II. The translucent environment of a dense core p. 173

P. Hily-Blant and E. Falgarone

Published online: 05 March 2007

DOI: https://doi.org/10.1051/0004-6361:20054565

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Physical properties of a very diffuse HI structure at high Galactic latitude p. 189

M.-A. Miville-Deschênes and P. G. Martin

Published online: 05 March 2007

DOI: https://doi.org/10.1051/0004-6361:20065523

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Electron density and carriers of the diffuse interstellar bands p. 201

P. Gnaciński, J. K. Sikorski and G. A. Galazutdinov

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077077

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High-resolution study of a star-forming cluster in the Cepheus A HW2 region p. 207

C. Comito, P. Schilke, U. Endesfelder, I. Jiménez-Serra and J. Martín-Pintado

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077408

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Millimeter imaging of HD 163296: probing the disk structure and kinematics p. 213

A. Isella, L. Testi, A. Natta, R. Neri, D. Wilner and C. Qi

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077385

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CO cooling rates for clumpy and turbulent molecular clouds p. 223

M. Hegmann, W. H. Kegel and E. Sedlmayr

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066394

Stellar structure and evolution

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Stellar p-modes oscillation measurements in solar-like star signals: Centauri A as an example p. 233

C. Régulo and T. Roca Cortés

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20065985

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Evolution of asymptotic giant branch stars - I. Updated synthetic TP-AGB models and their basic calibration p. 239

P. Marigo and L. Girardi

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066772

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Is ⁶Li in metal-poor halo stars produced in situ by solar-like flares? p. 265

V. Tatischeff and J.-P. Thibaud

Published online: 26 March 2007

DOI: https://doi.org/10.1051/0004-6361:20066635

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The stability of poloidal magnetic fields in rotating stars p. 275

J. Braithwaite

Published online: 11 April 2007

DOI: https://doi.org/10.1051/0004-6361:20065903

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Absolute dimensions of eclipsing binaries - XXV. U Ophiuchi and the evolution and composition of 5 M stars p. 285

L. P. R. Vaz, J. Andersen and A. Claret

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066911

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HS 1857+5144: a hot and young pre-cataclysmic variable p. 297

A. Aungwerojwit, B. T. Gänsicke, P. Rodríguez-Gil, H.-J. Hagen, O. Giannakis, C. Papadimitriou, C. Allende Prieto and D. Engels

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077276

Stellar atmospheres

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Erratum

Stellar model atmospheres with magnetic line blanketing p. 307

S. A. Khan and D. V. Shulyak

Published online: 10 May 2007

DOI: https://doi.org/10.1051/0004-6361:20054269e

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Hα and the Ca II H and K lines as activity proxies for late-type stars p. 309

C. Cincunegui, R. F. Díaz and P. J. D. Mauas

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066503

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Sulphur and zinc abundances in Galactic halo stars revisited p. 319

P. E. Nissen, C. Akerman, M. Asplund, D. Fabbian, F. Kerber, H. U. Käufl and M. Pettini

Published online: 11 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077344

The Sun

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The H_α surges and EUV jets from magnetic flux emergences and cancellations p. 331

Y. C. Jiang, H. D. Chen, K. J. Li, Y. D. Shen and L. H. Yang

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20053954

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Projection effects in coronal mass ejections p. 339

B. Vršnak, D. Sudar, D. Ruždjak and T. Žic

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077175

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Profiles of heating in turbulent coronal magnetic loops p. 347

E. Buchlin, P. J. Cargill, S. J. Bradshaw and M. Velli

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077111

Astronomical instrumentation

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Improving Earth-like planets' detection with an ELT: the differential radial velocity experiment p. 355

P. Riaud and J. Schneider

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077085

Online catalogs and data

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The representative XMM-Newton cluster structure survey (REXCESS) of an X-ray luminosity selected galaxy cluster sample p. 363

H. Böhringer, P. Schuecker, G. W. Pratt, M. Arnaud, T. J. Ponman, J. H. Croston, S. Borgani, R. G. Bower, U. G. Briel, C. A. Collins et al. (24 more)

Published online: 11 April 2007

DOI: https://doi.org/10.1051/0004-6361:20066740

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An online repository of Swift/XRT light curves of -ray bursts p. 379

P. A. Evans, A. P. Beardmore, K. L. Page, L. G. Tyler, J. P. Osborne, M. R. Goad, P. T. O'Brien, L. Vetere, J. Racusin, D. Morris et al. (5 more)

Published online: 24 April 2007

DOI: https://doi.org/10.1051/0004-6361:20077530

Astronomy & Astrophysics

Volume 469 / No 1 (July I 2007)

Letters

Discovery of a point-like very-high-energy γ-ray source in Monoceros p. L1

Swift/XRT observes the fifth outburst of the periodic supergiant fast X-ray transient IGR J11215-5952 p. L5

Opposite magnetic polarity of two photospheric lines in single spectrum of the quiet Sun p. L9

REM observations of GRB 060418 and GRB 060607A: the onset of the afterglow and the initial fireball Lorentz factor determination p. L13

XMM-Newton observations of the first unidentified TeV gamma-ray source TeV J2032+4130 p. L17

Physical properties of the jet in 0836+710 revealed by its transversal structure p. L23

IGR J17254-3257, a new bursting neutron star p. L27

On the optical counterpart of NGC 300 X-1 and the global Wolf-Rayet content of NGC 300 p. L31

Astrophysical processes

Spectral and timing properties of a dissipative -ray burst photosphere p. 1

Flow instabilities of magnetic flux tubes - II. Longitudinal flow p. 11

Extragalactic astronomy

The ultraviolet properties of luminous infrared galaxies at z ~ 0.7 - Is there any evolution in their dust attenuation? p. 19

The XMM-Newton serendipitous survey - III. The AXIS X-ray source counts and angular clustering p. 27

EROs found behind lensing clusters - I. Stellar populations and dust properties of optical dropout EROs and comparison with related objects p. 47

Clues to the nature of high-redshift O vi absorption systems from their lack of small-scale structure p. 61

The host galaxy/AGN connection - Brightness profiles of early-type galaxies hosting Seyfert nuclei p. 75

The elliptical galaxies NGC 1052 and NGC 7796 - Stellar populations and abundance ratio α/Fe p. 89

Probing MACHOs by observation of M 31 pixel lensing with the 1.5 m Loiano telescope p. 115

Upper limits to the water abundance in starburst galaxies p. 121

Galactic structure, stellar clusters, and populations

The structure of the nuclear stellar cluster of the Milky Way p. 125

Bright globular clusters in NGC 5128: the missing link between young massive clusters and evolved massive objects p. 147

Tracing mixing in stars: new beryllium observations of the open clusters NGC 2516, Hyades, and M 67 p. 163

Interstellar and circumstellar matter

Dissipative structures of diffuse molecular gas - II. The translucent environment of a dense core p. 173

Physical properties of a very diffuse HI structure at high Galactic latitude p. 189

Electron density and carriers of the diffuse interstellar bands p. 201

High-resolution study of a star-forming cluster in the Cepheus A HW2 region p. 207

Millimeter imaging of HD 163296: probing the disk structure and kinematics p. 213

CO cooling rates for clumpy and turbulent molecular clouds p. 223

Stellar structure and evolution

Stellar p-modes oscillation measurements in solar-like star signals: Centauri A as an example p. 233

Evolution of asymptotic giant branch stars - I. Updated synthetic TP-AGB models and their basic calibration p. 239

Is 6Li in metal-poor halo stars produced in situ by solar-like flares? p. 265

The stability of poloidal magnetic fields in rotating stars p. 275

Absolute dimensions of eclipsing binaries - XXV. U Ophiuchi and the evolution and composition of 5 M stars p. 285

HS 1857+5144: a hot and young pre-cataclysmic variable p. 297

Stellar atmospheres

Stellar model atmospheres with magnetic line blanketing p. 307

Hα and the Ca II H and K lines as activity proxies for late-type stars p. 309

Sulphur and zinc abundances in Galactic halo stars revisited p. 319

The Sun

The Hα surges and EUV jets from magnetic flux emergences and cancellations p. 331

Projection effects in coronal mass ejections p. 339

Profiles of heating in turbulent coronal magnetic loops p. 347

Astronomical instrumentation

Improving Earth-like planets' detection with an ELT: the differential radial velocity experiment p. 355

Online catalogs and data

The representative XMM-Newton cluster structure survey (REXCESS) of an X-ray luminosity selected galaxy cluster sample p. 363

An online repository of Swift/XRT light curves of -ray bursts p. 379

Is ⁶Li in metal-poor halo stars produced in situ by solar-like flares? p. 265

The H_α surges and EUV jets from magnetic flux emergences and cancellations p. 331