The X-ray emission mechanism in the protostellar jet HH 154     p. L1 R. Bonito, S. Orlando, G. Peres, F. Favata, and R. Rosner DOI: http://dx.doi.org/10.1051/0004-6361:200400014 Abstract | Full HTML | PDF (198 KB) | PS (314 KB) | References | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:200400012 Abstract | Full HTML | PDF (179 KB) | PS (293 KB) | References | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:200400036 Abstract | Full HTML | PDF (205 KB) | PS (269 KB) | References | SIMBAD record | NASA ADS Abstract Service

Momentum transfer to interplanetary dust from the solar wind     p. L13 T. Minato, M. Köhler, H. Kimura, I. Mann, and T. Yamamoto DOI: http://dx.doi.org/10.1051/0004-6361:200400037 Abstract | Full HTML | PDF (127 KB) | PS (341 KB) | References | NASA ADS Abstract Service

Discovery of six Lyα emitters near a radio galaxy at z ~ 5.2     p. L17 B. P. Venemans et al. DOI: http://dx.doi.org/10.1051/0004-6361:200400041 Abstract | Full HTML | PDF (217 KB) | PS (295 KB) | References | SIMBAD record | NASA ADS Abstract Service

Detection of the Sgr A* activity at 3.8 and 4.8 μm with NACO     p. L21 Y. Clénet, D. Rouan, D. Gratadour, F. Lacombe, E. Gendron, R. Genzel, T. Ott, R. Schödel, and P. Léna DOI: http://dx.doi.org/10.1051/0004-6361:200400045 Abstract | Full HTML | PDF (238 KB) | PS (1.24 MB) | References | SIMBAD record | NASA ADS Abstract Service

A model for quasi-spherical magnetized accretion flow     p. 379 M. Shadmehri DOI: http://dx.doi.org/10.1051/0004-6361:20040538 Abstract | Full HTML | PDF (481 KB) | PS (376 KB) | References | NASA ADS Abstract Service

Superposition of blackbodies and the dipole anisotropy: A possibility to calibrate CMB experiments     p. 389 J. Chluba, and R. A. Sunyaev DOI: http://dx.doi.org/10.1051/0004-6361:20041016 Abstract | Full HTML | PDF (458 KB) | PS (346 KB) | References | NASA ADS Abstract Service

Radio source contamination of the Sunyaev-Zeldovich effect in galaxy clusters     p. 409 M. Massardi, and G. De Zotti DOI: http://dx.doi.org/10.1051/0004-6361:20040524 Abstract | Full HTML | PDF (138 KB) | PS (90.7 KB) | References | NASA ADS Abstract Service

Dark energy versus in the growth of matter perturbations     p. 415 M. Membrado, and J. A. L. Aguerri DOI: http://dx.doi.org/10.1051/0004-6361:20034107 Abstract | Full HTML | PDF (326 KB) | PS (140 KB) | References | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040191 Abstract | Full HTML | PDF (1.59 MB) | PS (5.03 MB) | References | SIMBAD record | NASA ADS Abstract Service

Ionized gas and stellar kinematics of seventeen nearby spiral galaxies     p. 447 A. Pizzella, E. M. Corsini, J. C. Vega Beltrán, and F. Bertola DOI: http://dx.doi.org/10.1051/0004-6361:20047183 Abstract | Full HTML | PDF (2.37 MB) | PS (1.06 MB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040481 Abstract | Full HTML | PDF (760 KB) | PS (720 KB) | References | SIMBAD record | NASA ADS Abstract Service

The radial extinction profiles of late-type galaxies     p. 465 S. Boissier, A. Boselli, V. Buat, J. Donas, and B. Milliard DOI: http://dx.doi.org/10.1051/0004-6361:20047024 Abstract | Full HTML | PDF (2.36 MB) | PS (1.21 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The very early afterglow powered by ultra-relativistic mildly magnetized outflows     p. 477 Y. Z. Fan, D. M. Wei, and C. F. Wang DOI: http://dx.doi.org/10.1051/0004-6361:20041115 Abstract | Full HTML | PDF (196 KB) | PS (101 KB) | References | SIMBAD record | NASA ADS Abstract Service

Kinematics of the ionised gas in the spiral galaxy NGC 2403     p. 485 F. Fraternali, T. Oosterloo, and R. Sancisi DOI: http://dx.doi.org/10.1051/0004-6361:20040529 Abstract | Full HTML | PDF (1.50 MB) | PS (1.01 MB) | References | SIMBAD record | NASA ADS Abstract Service

The WEBT campaigns on BL Lacertae - Time and cross-correlation analysis of optical and radio light curves 1968–2003     p. 497 M. Villata et al. DOI: http://dx.doi.org/10.1051/0004-6361:20040439 Abstract | Full HTML | PDF (101 KB) | PS (676 KB) | References | SIMBAD record | NASA ADS Abstract Service

Kinematics of two dwarf galaxies in the NGC 6946 group     p. 509 A. Begum, and J. N. Chengalur DOI: http://dx.doi.org/10.1051/0004-6361:20041210 Abstract | Full HTML | PDF (2.38 MB) | PS (2.10 MB) | References | SIMBAD record | NASA ADS Abstract Service

Naked active galactic nuclei     p. 519 M. R. S. Hawkins DOI: http://dx.doi.org/10.1051/0004-6361:20041127 Abstract | Full HTML | PDF (544 KB) | PS (1.65 MB) | References | SIMBAD record | NASA ADS Abstract Service

The ISOPHOT - MAMBO survey of 3CR radio sources: Further evidence for the unified schemes     p. 531 M. Haas et al. DOI: http://dx.doi.org/10.1051/0004-6361:20035772 Abstract | Full HTML | PDF (805 KB) | PS (222 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Discovery of optically faint obscured quasars with Virtual Observatory tools     p. 545 P. Padovani, M. G. Allen, P. Rosati, and N. A. Walton DOI: http://dx.doi.org/10.1051/0004-6361:20041153 Abstract | Full HTML | PDF (1.60 MB) | PS (3.20 MB) | References | SIMBAD record | NASA ADS Abstract Service

Mg II spectral line broadening in helium, oxygen and argon-helium plasmas     p. 561 S. Djeniže, S. Bukvić, A. Srećković, and M. Platiša DOI: http://dx.doi.org/10.1051/0004-6361:20047176 Abstract | Full HTML | PDF (288 KB) | PS (275 KB) | References | NASA ADS Abstract Service

Seed fields for galactic dynamos by the magnetorotational instability     p. 565 L. L. Kitchatinov, and G. Rüdiger DOI: http://dx.doi.org/10.1051/0004-6361:20040431 Abstract | Full HTML | PDF (427 KB) | PS (178 KB) | References | NASA ADS Abstract Service

First detection of polarization of the submillimetre diffuse galactic dust emission by Archeops     p. 571 A. Benoît et al. DOI: http://dx.doi.org/10.1051/0004-6361:20040042 Abstract | Full HTML | PDF (1.11 MB) | PS (4.59 MB) | References | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040410 Abstract | Full HTML | PDF (671 KB) | PS (1.46 MB) | References | SIMBAD record | NASA ADS Abstract Service

Imaging chemical differentiation around the low-mass protostar L483-mm     p. 589 J. K. Jørgensen DOI: http://dx.doi.org/10.1051/0004-6361:20040247 Abstract | Full HTML | PDF (789 KB) | PS (410 KB) | References | SIMBAD record | NASA ADS Abstract Service

Accretion in brown dwarfs: An infrared view     p. 603 A. Natta, L. Testi, J. Muzerolle, S. Randich, F. Comerón, and P. Persi DOI: http://dx.doi.org/10.1051/0004-6361:20040356 Abstract | Full HTML | PDF (287 KB) | PS (160 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20034215 Abstract | Full HTML | PDF (128 KB) | PS (87.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

X-ray detections of two young bona-fide brown dwarfs     p. 619 H. Bouy DOI: http://dx.doi.org/10.1051/0004-6361:20040016 Abstract | Full HTML | PDF (419 KB) | PS (2.95 MB) | References | SIMBAD record | NASA ADS Abstract Service

On the nature of the bimodal initial velocity distribution of neutron stars     p. 627 I. Bombaci, and S. B. Popov DOI: http://dx.doi.org/10.1051/0004-6361:20041142 Abstract | Full HTML | PDF (127 KB) | PS (54.4 KB) | References | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040440 Abstract | Full HTML | PDF (445 KB) | PS (211 KB) | References | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040408 Abstract | Full HTML | PDF (526 KB) | PS (337 KB) | References | SIMBAD record | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20041157 Abstract | Full HTML | PDF (467 KB) | PS (371 KB) | References | SIMBAD record | NASA ADS Abstract Service

Do weak magnetic fields prevent hydrogen from accreting onto metal-line white dwarf stars?     p. 665 S. Friedrich, S. Jordan, and D. Koester DOI: http://dx.doi.org/10.1051/0004-6361:20041183 Abstract | Full HTML | PDF (127 KB) | PS (54.4 KB) | References | SIMBAD record | NASA ADS Abstract Service

Propagating waves in the sunspot umbra chromosphere     p. 671 N. I. Kobanov, and D. V. Makarchik DOI: http://dx.doi.org/10.1051/0004-6361:20035960 Abstract | Full HTML | PDF (338 KB) | PS (524 KB) | References | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040207 Abstract | Full HTML | PDF (610 KB) | PS (330 KB) | References | NASA ADS Abstract Service

On the creation of the chromospheres of solar type stars     p. 691 M. L. Goodman DOI: http://dx.doi.org/10.1051/0004-6361:20040310 Abstract | Full HTML | PDF (470 KB) | PS (247 KB) | References | NASA ADS Abstract Service

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 DOI: http://dx.doi.org/10.1051/0004-6361:20040501 Abstract | Full HTML | PDF (102 KB) | PS (47.5 KB) | References | NASA ADS Abstract Service

First observations with an H-band integrated optics beam combiner at the VLTI     p. 719 J. B. LeBouquin et al. DOI: http://dx.doi.org/10.1051/0004-6361:20035849 Abstract | Full HTML | PDF (532 KB) | PS (830 KB) | References | SIMBAD record | NASA ADS Abstract Service