Astronomy & Astrophysics (A&A)

Letters

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The X-ray emission mechanism in the protostellar jet HH 154 p. L1

R. Bonito, S. Orlando, G. Peres, F. Favata and R. Rosner

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400014

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First simultanous X-ray and optical observations of rapid variability of supercritical accretor SS433 p. L5

M. Revnivtsev, R. Burenin, S. Fabrika, K. Postnov, I. Bikmaev, M. Pavlinsky, R. Sunyaev, I. Khamitov and Z. Aslan

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400012

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The clustering of ultraviolet-selected galaxies at p. L9

S. Heinis, M. Treyer, S. Arnouts, B. Milliard, J. Donas, R. Gal, D. C. Martin and M. Viton

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400036

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Momentum transfer to interplanetary dust from the solar wind p. L13

T. Minato, M. Köhler, H. Kimura, I. Mann and T. Yamamoto

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400037

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Discovery of six Lyα emitters near a radio galaxy at z ~ 5.2 p. L17

B. P. Venemans, H. J. A. Röttgering, R. A. Overzier, G. K. Miley, C. De Breuck, J. D. Kurk, W. van Breugel, C. L. Carilli, H. Ford, T. Heckman et al. (2 more)

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400041

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Detection of the Sgr A* activity at 3.8 and 4.8 m with NACO p. L21

Y. Clénet, D. Rouan, D. Gratadour, F. Lacombe, E. Gendron, R. Genzel, T. Ott, R. Schödel and P. Léna

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:200400045

Astrophysical processes

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A model for quasi-spherical magnetized accretion flow p. 379

M. Shadmehri

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040538

Cosmology (including clusters of galaxies)

Free Access

Superposition of blackbodies and the dipole anisotropy: A possibility to calibrate CMB experiments p. 389

J. Chluba and R. A. Sunyaev

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041016

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Radio source contamination of the Sunyaev-Zeldovich effect in galaxy clusters p. 409

M. Massardi and G. De Zotti

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040524

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Dark energy versus in the growth of matter perturbations p. 415

M. Membrado and J. A. L. Aguerri

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20034107

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Magnetic fields and Faraday rotation in clusters of galaxies p. 429

M. Murgia, F. Govoni, L. Feretti, G. Giovannini, D. Dallacasa, R. Fanti, G. B. Taylor and K. Dolag

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040191

Extragalactic astronomy

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Ionized gas and stellar kinematics of seventeen nearby spiral galaxies p. 447

A. Pizzella, E. M. Corsini, J. C. Vega Beltrán and F. Bertola

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20047183

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On-axis spectroscopy of the z radio-loud quasar HE 1434–1600: an elliptical host with a highly ionized ISM p. 455

G. Letawe, F. Courbin, P. Magain, M. Hilker, P. Jablonka, K. Jahnke and L. Wisotzki

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040481

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The radial extinction profiles of late-type galaxies p. 465

S. Boissier, A. Boselli, V. Buat, J. Donas and B. Milliard

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20047024

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The very early afterglow powered by ultra-relativistic mildly magnetized outflows p. 477

Y. Z. Fan, D. M. Wei and C. F. Wang

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041115

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Kinematics of the ionised gas in the spiral galaxy NGC 2403 p. 485

F. Fraternali, T. Oosterloo and R. Sancisi

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040529

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The WEBT campaigns on BL Lacertae - Time and cross-correlation analysis of optical and radio light curves 1968–2003 p. 497

M. Villata, C. M. Raiteri, H. D. Aller, M. F. Aller, H. Teräsranta, P. Koivula, S. Wiren, O. M. Kurtanidze, M. G. Nikolashvili, M. A. Ibrahimov et al. (11 more)

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040439

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Kinematics of two dwarf galaxies in the NGC 6946 group p. 509

A. Begum and J. N. Chengalur

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041210

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Naked active galactic nuclei p. 519

M. R. S. Hawkins

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041127

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The ISOPHOT - MAMBO survey of 3CR radio sources: Further evidence for the unified schemes p. 531

M. Haas, S. A. H. Müller, F. Bertoldi, R. Chini, S. Egner, W. Freudling, U. Klaas, O. Krause, D. Lemke, K. Meisenheimer et al. (2 more)

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20035772

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Discovery of optically faint obscured quasars with Virtual Observatory tools p. 545

P. Padovani, M. G. Allen, P. Rosati and N. A. Walton

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041153

Galactic structure, stellar clusters, and populations

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Mg II spectral line broadening in helium, oxygen and argon-helium plasmas p. 561

S. Djeniže, S. Bukvić, A. Srećković and M. Platiša

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20047176

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Seed fields for galactic dynamos by the magnetorotational instability p. 565

L. L. Kitchatinov and G. Rüdiger

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040431

Interstellar and circumstellar matter

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First detection of polarization of the submillimetre diffuse galactic dust emission by Archeops p. 571

A. Benoît, P. Ade, A. Amblard, R. Ansari, É. Aubourg, S. Bargot, J. G. Bartlett, J.–Ph. Bernard, R. S. Bhatia, A. Blanchard et al. (58 more)

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040042

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The kinematics of the bi-lobal supernova remnant G 65.3+5.7. II. p. 583

P. Boumis, J. Meaburn, J. A. López, F. Mavromatakis, M. P. Redman, D. J. Harman and C. D. Goudis

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040410

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Imaging chemical differentiation around the low-mass protostar L483-mm p. 589

J. K. Jørgensen

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040247

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Accretion in brown dwarfs: An infrared view p. 603

A. Natta, L. Testi, J. Muzerolle, S. Randich, F. Comerón and P. Persi

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040356

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A search for circumstellar dust disks with ADONIS p. 613

O. Schütz, H. Böhnhardt, E. Pantin, M. Sterzik, S. Els, J. Hahn and Th. Henning

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20034215

Stellar structure and evolution

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X-ray detections of two young bona-fide brown dwarfs p. 619

H. Bouy

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040016

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On the nature of the bimodal initial velocity distribution of neutron stars p. 627

I. Bombaci and S. B. Popov

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041142

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The isolated neutron star X-ray pulsars RX J0420.0–5022 and RX J0806.4–4123: New X-ray and optical observations p. 635

F. Haberl, C. Motch, V. E. Zavlin, K. Reinsch, B. T. Gänsicke, M. Cropper, A. D. Schwope, R. Turolla and S. Zane

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040440

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Time-resolved photometry and spectroscopy of the new deeply-eclipsing SW Sextantis star HS 0728+6738 p. 647

P. Rodríguez-Gil, B. T. Gänsicke, H. Barwig, H.-J. Hagen and D. Engels

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040408

Stellar atmospheres

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Identification of a DO white dwarf and a PG 1159 star in the ESO SN Ia progenitor survey (SPY) p. 657

K. Werner, T. Rauch, R. Napiwotzki, N. Christlieb, D. Reimers and C. A. Karl

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041157

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Do weak magnetic fields prevent hydrogen from accreting onto metal-line white dwarf stars? p. 665

S. Friedrich, S. Jordan and D. Koester

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041183

The Sun

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Propagating waves in the sunspot umbra chromosphere p. 671

N. I. Kobanov and D. V. Makarchik

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20035960

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The Sun as an X-ray star: Active region evolution, rotational modulation, and implications for stellar X-ray variability p. 677

S. Orlando, G. Peres and F. Reale

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040207

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On the creation of the chromospheres of solar type stars p. 691

M. L. Goodman

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040310

Free Access

On comparing estimates of low- solar p-mode frequencies from Sun-as-a-star and resolved observations p. 713

W. J. Chaplin, T. Appourchaux, Y. Elsworth, G. R. Isaak, B. A. Miller and R. New

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20040501

Astronomical instrumentation

Free Access

First observations with an H-band integrated optics beam combiner at the VLTI p. 719

J. B. LeBouquin, K. Rousselet-Perraut, P. Kern, F. Malbet, P. Haguenauer, P. Kervella, I. Schanen, J. P. Berger, A. Delboulbé, B. Arezki and M. Schöller

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20035849

Catalogs and data

Free Access

S: The ninth catalogue of spectroscopic binary orbits p. 727

D. Pourbaix, A. A. Tokovinin, A. H. Batten, F. C. Fekel, W. I. Hartkopf, H. Levato, N. I. Morrell, G. Torres and S. Udry

Published online: 23 August 2004

DOI: https://doi.org/10.1051/0004-6361:20041213

Astronomy & Astrophysics

Volume 424 / No 2 (September III 2004)

Letters

The X-ray emission mechanism in the protostellar jet HH 154 p. L1

First simultanous X-ray and optical observations of rapid variability of supercritical accretor SS433 p. L5

The clustering of ultraviolet-selected galaxies at p. L9

Momentum transfer to interplanetary dust from the solar wind p. L13

Discovery of six Lyα emitters near a radio galaxy at z ~ 5.2 p. L17

Detection of the Sgr A* activity at 3.8 and 4.8 m with NACO p. L21

Astrophysical processes

A model for quasi-spherical magnetized accretion flow p. 379

Cosmology (including clusters of galaxies)

Superposition of blackbodies and the dipole anisotropy: A possibility to calibrate CMB experiments p. 389

Radio source contamination of the Sunyaev-Zeldovich effect in galaxy clusters p. 409

Dark energy versus in the growth of matter perturbations p. 415

Magnetic fields and Faraday rotation in clusters of galaxies p. 429

Extragalactic astronomy

Ionized gas and stellar kinematics of seventeen nearby spiral galaxies p. 447

On-axis spectroscopy of the z radio-loud quasar HE 1434–1600: an elliptical host with a highly ionized ISM p. 455

The radial extinction profiles of late-type galaxies p. 465

The very early afterglow powered by ultra-relativistic mildly magnetized outflows p. 477

Kinematics of the ionised gas in the spiral galaxy NGC 2403 p. 485

The WEBT campaigns on BL Lacertae - Time and cross-correlation analysis of optical and radio light curves 1968–2003 p. 497

Kinematics of two dwarf galaxies in the NGC 6946 group p. 509

Naked active galactic nuclei p. 519

The ISOPHOT - MAMBO survey of 3CR radio sources: Further evidence for the unified schemes p. 531

Discovery of optically faint obscured quasars with Virtual Observatory tools p. 545

Galactic structure, stellar clusters, and populations

Mg II spectral line broadening in helium, oxygen and argon-helium plasmas p. 561

Seed fields for galactic dynamos by the magnetorotational instability p. 565

Interstellar and circumstellar matter

First detection of polarization of the submillimetre diffuse galactic dust emission by Archeops p. 571

The kinematics of the bi-lobal supernova remnant G 65.3+5.7. II. p. 583

Imaging chemical differentiation around the low-mass protostar L483-mm p. 589

Accretion in brown dwarfs: An infrared view p. 603

A search for circumstellar dust disks with ADONIS p. 613

Stellar structure and evolution

X-ray detections of two young bona-fide brown dwarfs p. 619

On the nature of the bimodal initial velocity distribution of neutron stars p. 627

The isolated neutron star X-ray pulsars RX J0420.0–5022 and RX J0806.4–4123: New X-ray and optical observations p. 635

Time-resolved photometry and spectroscopy of the new deeply-eclipsing SW Sextantis star HS 0728+6738 p. 647

Stellar atmospheres

Identification of a DO white dwarf and a PG 1159 star in the ESO SN Ia progenitor survey (SPY) p. 657

Do weak magnetic fields prevent hydrogen from accreting onto metal-line white dwarf stars? p. 665

The Sun

Propagating waves in the sunspot umbra chromosphere p. 671

The Sun as an X-ray star: Active region evolution, rotational modulation, and implications for stellar X-ray variability p. 677

On the creation of the chromospheres of solar type stars p. 691

On comparing estimates of low- solar p-mode frequencies from Sun-as-a-star and resolved observations p. 713

Astronomical instrumentation

First observations with an H-band integrated optics beam combiner at the VLTI p. 719

Catalogs and data

S: The ninth catalogue of spectroscopic binary orbits p. 727