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Astronomy & Astrophysics

Volume 415 / No 2 (February IV 2004)

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Letters

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Probing the variability of the fine-structure constant with the VLT/UVES p. L7

R. Quast, D. Reimers and S. A. Levshakov

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040013

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No magnetic field variation with pulsation phase in the roAp star γ Equulei p. L13

O. Kochukhov, T. Ryabchikova and N. Piskunov

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040001

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Bifurcation of the metric type II radio emission associated with the giant solar flare of April 2 2001 p. L17

S. Mancuso and L. Abbo

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040002

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Surface characterization of 28978 Ixion (2001 KX) p. L21

H. Boehnhardt, S. Bagnulo, K. Muinonen, M. A. Barucci, L. Kolokolova, E. Dotto and G. P. Tozzi

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040005

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Discovery of the high-ionization emission line [Ne V] λ3426 in the blue compact dwarf galaxy Tol 1214–277 p. L27

Y. I. Izotov, K. G. Noeske, N. G. Guseva, P. Papaderos, T. X. Thuan and K. J. Fricke

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040006

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Long-term variability in the X-ray emission of RX J0720.4-3125 p. L31

C. P. de Vries, J. Vink, M. Méndez and F. Verbunt

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20040009

Astrophysical processes

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Astrophysical significance of the detection of coalescing binaries with gravitational waves p. 407

T. Bulik, K. Belczyński and B. Rudak

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034071

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XMM-Newton witness of M 86 X-ray metamorphosis p. 415

A. Finoguenov, W. Pietsch, B. Aschenbach and F. Miniati

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031672

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A quantitative analysis of OCN^- formation in interstellar ice analogs p. 425

F. A. van Broekhuizen, J. V. Keane and W. A. Schutte

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034161

Extragalactic astronomy

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The reprocessing features in the X–ray spectrum of the NELG MCG –5-23-16 p. 437

I. Balestra, S. Bianchi and G. Matt

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20030211

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Reconsidering the origin of the X-ray emission lines in GRB 011211 p. 443

F. Tavecchio, G. Ghisellini and D. Lazzati

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034626

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The isolated interacting galaxy pair NGC 5426/27 (Arp 271) p. 451

I. Fuentes-Carrera, M. Rosado, P. Amram, D. Dultzin-Hacyan, I. Cruz-González, H. Salo, E. Laurikainen, A. Bernal, P. Ambrocio-Cruz and E. Le Coarer

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034190

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Photometric study of two novae in M 31 p. 471

Y. C. Joshi, A. K. Pandey, D. Narasimha, Y. Giraud-Héraud, R. Sagar and J. Kaplan

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034615

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Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz p. 477

H. Y. Zhang, D. C. Gabuzda, R. D. Nan and C. J. Jin

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034313

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Strong GeV emission accompanying TeV blazar H1426+428 p. 483

Y. Z. Fan, Z. G. Dai and D. M. Wei

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034472

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Galaxies around the giant double radio source DA 240 - Redshifts and the discovery of an unusual association p. 487

B. Peng, R. G. Strom, J. Wei and Y. H. Zhao

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034363

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The globular cluster system of NGC 4374 p. 499

M. Gómez and T. Richtler

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034610

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Dust and super star clusters in NGC 5253 p. 509

L. Vanzi and M. Sauvage

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034635

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BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids p. 521

J. Storm, B. W. Carney, W. P. Gieren, P. Fouqué, W. L. Freedman, B. F. Madore and M. J. Habgood

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034633

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The effect of metallicity on the Cepheid Period-Luminosity relation from a Baade-Wesselink analysis of Cepheids in the Galaxy and in the Small Magellanic Cloud p. 531

J. Storm, B. W. Carney, W. P. Gieren, P. Fouqué, D. W. Latham and A. M. Fry

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034634

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High-frequency polarization properties of southern Kühr sources p. 549

R. Ricci, I. Prandoni, C. Gruppioni, R. J. Sault and G. De Zotti

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034632

Galactic structure, stellar clusters, and populations

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On the Galactic chemical evolution of sulfur p. 559

N. Ryde and D. L. Lambert

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034616

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Theoretical isochrones compared to 2MASS observations: Open clusters at nearly solar metallicity p. 571

Ch. Bonatto, E. Bica and L. Girardi

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034638

Interstellar and circumstellar matter

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Mid-IR observations of Galactic H II regions: Constraining ionizing spectra of massive stars and the nature of the observed excitation sequences p. 577

C. Morisset, D. Schaerer, J.-C. Bouret and F. Martins

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034622

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A spectral and spatial analysis of η Carinae's diffuse X-ray emission using CHANDRA p. 595

K. Weis, M. F. Corcoran, D. J. Bomans and K. Davidson

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034306

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Hα variability of the recurrent nova T Coronae Borealis p. 609

V. Stanishev, R. Zamanov, N. Tomov and P. Marziani

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034623

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Monte Carlo radiative transfer in molecular cloud cores p. 617

J. Gonçalves, D. Galli and M. Walmsley

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031640

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A Compact Array imaging survey of southern bright-rimmed clouds p. 627

M. A. Thompson, J. S. Urquhart and G. J. White

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031681

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Transport processes and chemical evolution in steady accretion disk flows p. 643

M. Ilgner, Th. Henning, A. J. Markwick and T. J. Millar

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034061

Stellar structure and evolution

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Measurements of magnetic fields over the pulsation cycle in six roAp stars with FORS 1 at the VLT p. 661

S. Hubrig, D. W. Kurtz, S. Bagnulo, T. Szeifert, M. Schöller, G. Mathys and W. A. Dziembowski

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031380

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NACO polarimetric differential imaging of TW Hya - A sharp look at the closest T Tauri disk p. 671

D. Apai, I. Pascucci, W. Brandner, Th. Henning, R. Lenzen, D. E. Potter, A.-M. Lagrange and G. Rousset

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034549

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Li abundance/surface activity connections in solar-type Pleiades p. 677

D. Clarke, E. C. MacDonald and S. Owens

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034620

Stellar atmospheres

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New measurements of magnetic fields of roAp stars with FORS 1 at the VLT p. 685

S. Hubrig, T. Szeifert, M. Schöller, G. Mathys and D. W. Kurtz

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031486

The Sun

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The effect of anisotropy on the propagation of linear compressional waves in magnetic flux tubes: Applications to astrophysical plasmas p. 691

I. Ballai and A. Marcu

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034625

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The damping of slow MHD waves in solar coronal magnetic fields - II. The effect of gravitational stratification and field line divergence p. 705

I. De Moortel and A. W. Hood

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034233

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Two-dimensional spectroscopy of a sunspot - I. Properties of the penumbral fine structure p. 717

A. Tritschler, R. Schlichenmaier, L. R. Bellot Rubio and the KAOS Team

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034599

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Two-dimensional spectroscopy of a sunspot - II. Penumbral line asymmetries p. 731

R. Schlichenmaier, L. R. Bellot Rubio and A. Tritschler

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034430

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Time damping of linear non-adiabatic magnetohydrodynamic waves in an unbounded plasma with solar coronal properties p. 739

M. Carbonell, R. Oliver and J. L. Ballester

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034630

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Tube waves: Exact and approximate p. 751

M. Stix

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20035820

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Acceleration of electrons by interacting CMEs p. 755

M. Vandas and D. Odstrcil

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031763

Planets and planetary systems

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Effects induced by the passage of the Sun through dense molecular clouds - I. Flow outside of the compressed heliosphere p. 763

A. Yeghikyan and H. Fahr

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20034609

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Size estimates of some optically bright KBOs p. 771

W. J. Altenhoff, F. Bertoldi and K. M. Menten

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20035603

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The influence of meteoroid rotation on the diffraction characteristics of underdense radio-meteors p. 777

G. G. Novikov, P. Pecina and A. V. Ivanov

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031716

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Attogram dust grains in the solar system - Forming mechanism, properties and dynamics p. 781

V. P. Vasylyev, A. I. Kalinichenko and S. V. Vasylyev

Published online: 11 February 2004

DOI: https://doi.org/10.1051/0004-6361:20031777

Astronomy & Astrophysics

Volume 415 / No 2 (February IV 2004)

Letters

Probing the variability of the fine-structure constant with the VLT/UVES p. L7

No magnetic field variation with pulsation phase in the roAp star γ Equulei p. L13

Bifurcation of the metric type II radio emission associated with the giant solar flare of April 2 2001 p. L17

Surface characterization of 28978 Ixion (2001 KX) p. L21

Discovery of the high-ionization emission line [Ne V] λ3426 in the blue compact dwarf galaxy Tol 1214–277 p. L27

Long-term variability in the X-ray emission of RX J0720.4-3125 p. L31

Astrophysical processes

Astrophysical significance of the detection of coalescing binaries with gravitational waves p. 407

XMM-Newton witness of M 86 X-ray metamorphosis p. 415

A quantitative analysis of OCN- formation in interstellar ice analogs p. 425

Extragalactic astronomy

The reprocessing features in the X–ray spectrum of the NELG MCG –5-23-16 p. 437

Reconsidering the origin of the X-ray emission lines in GRB 011211 p. 443

The isolated interacting galaxy pair NGC 5426/27 (Arp 271) p. 451

Photometric study of two novae in M 31 p. 471

Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz p. 477

Strong GeV emission accompanying TeV blazar H1426+428 p. 483

Galaxies around the giant double radio source DA 240 - Redshifts and the discovery of an unusual association p. 487

The globular cluster system of NGC 4374 p. 499

Dust and super star clusters in NGC 5253 p. 509

BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids p. 521

The effect of metallicity on the Cepheid Period-Luminosity relation from a Baade-Wesselink analysis of Cepheids in the Galaxy and in the Small Magellanic Cloud p. 531

High-frequency polarization properties of southern Kühr sources p. 549

Galactic structure, stellar clusters, and populations

On the Galactic chemical evolution of sulfur p. 559

Theoretical isochrones compared to 2MASS observations: Open clusters at nearly solar metallicity p. 571

Interstellar and circumstellar matter

Mid-IR observations of Galactic H II regions: Constraining ionizing spectra of massive stars and the nature of the observed excitation sequences p. 577

A spectral and spatial analysis of η Carinae's diffuse X-ray emission using CHANDRA p. 595

Hα variability of the recurrent nova T Coronae Borealis p. 609

Monte Carlo radiative transfer in molecular cloud cores p. 617

A Compact Array imaging survey of southern bright-rimmed clouds p. 627

Transport processes and chemical evolution in steady accretion disk flows p. 643

Stellar structure and evolution

Measurements of magnetic fields over the pulsation cycle in six roAp stars with FORS 1 at the VLT p. 661

NACO polarimetric differential imaging of TW Hya - A sharp look at the closest T Tauri disk p. 671

Li abundance/surface activity connections in solar-type Pleiades p. 677

Stellar atmospheres

New measurements of magnetic fields of roAp stars with FORS 1 at the VLT p. 685

The Sun

The effect of anisotropy on the propagation of linear compressional waves in magnetic flux tubes: Applications to astrophysical plasmas p. 691

The damping of slow MHD waves in solar coronal magnetic fields - II. The effect of gravitational stratification and field line divergence p. 705

Two-dimensional spectroscopy of a sunspot - I. Properties of the penumbral fine structure p. 717

Two-dimensional spectroscopy of a sunspot - II. Penumbral line asymmetries p. 731

Time damping of linear non-adiabatic magnetohydrodynamic waves in an unbounded plasma with solar coronal properties p. 739

Tube waves: Exact and approximate p. 751

Acceleration of electrons by interacting CMEs p. 755

Planets and planetary systems

Effects induced by the passage of the Sun through dense molecular clouds - I. Flow outside of the compressed heliosphere p. 763

Size estimates of some optically bright KBOs p. 771

The influence of meteoroid rotation on the diffraction characteristics of underdense radio-meteors p. 777

Attogram dust grains in the solar system - Forming mechanism, properties and dynamics p. 781

A quantitative analysis of OCN^- formation in interstellar ice analogs p. 425