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Astronomy and Astrophysics

Vol. 406, No. 3 (August II 2003)

Thermal emission from a QSO at z = 6.4 (white contours, image center) (Bertoldi, F., et al., p. L56 )
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-  Letters
VLT/NACO adaptive optics imaging of the TY CrA system - A fourth stellar component candidate detected     p. L51
G. Chauvin et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20030554
Abstract | Full HTML | PDF (165 KB) | PS (307 KB) | References | SIMBAD record | NASA ADS Abstract Service

Dust emission from the most distant quasars     p. L55
F. Bertoldi, C. L. Carilli, P. Cox, X. Fan, M. A. Strauss, A. Beelen, A. Omont, and R. Zylka
DOI: http://dx.doi.org/10.1051/0004-6361:20030710
Abstract | Full HTML | PDF (201 KB) | PS (564 KB) | References | SIMBAD record | NASA ADS Abstract Service

L183 (L134N) Revisited - I. The very cold core and the ridge     p. L59
L. Pagani et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20030903
Abstract | Full HTML | PDF (332 KB) | PS (400 KB) | References | SIMBAD record | NASA ADS Abstract Service

On the Lyα emission from gamma-ray burst host galaxies: Evidence for low metallicities     p. L63
J. P. U. Fynbo et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20030931
Abstract | Full HTML | PDF (300 KB) | PS (309 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Cosmology
Shock emission in the bipolar post-AGB star IRAS 16594-4656     p. 773
G. C. Van de Steene, and P. A. M. van Hoof
DOI: http://dx.doi.org/10.1051/0004-6361:20030724
Abstract | Full HTML | PDF (150 KB) | PS (120 KB) | References | SIMBAD record | NASA ADS Abstract Service

Experimental study of amorphous silicate formation     p. 783
S. Wada, Y. Murata, A. T. Tokunaga, and J. Watanabe
DOI: http://dx.doi.org/10.1051/0004-6361:20030750
Abstract | Full HTML | PDF (278 KB) | PS (777 KB) | References | NASA ADS Abstract Service


-  Extragalactic astronomy
The origin of X-ray emission of two distant ( ) cluster candidates with XMM-Newton     p. 789
D. M.  Neumann et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20030657
Abstract | Full HTML | PDF (918 KB) | PS (1.03 MB) | References | SIMBAD record | NASA ADS Abstract Service

Non-Gaussianity: Comparing wavelet and Fourier based methods     p. 797
N. Aghanim, M. Kunz, P. G. Castro, and O. Forni
DOI: http://dx.doi.org/10.1051/0004-6361:20030677
Abstract | Full HTML | PDF (938 KB) | PS (3.01 MB) | References | NASA ADS Abstract Service


-  Galactic structure and dynamics
Results of the ESO-SEST Key Programme on CO in the Magellanic Clouds - X. CO emission from star formation regions in LMC and SMC     p. 817
F. P. Israel, L. E. B. Johansson, M. Rubio, G. Garay, Th. de Graauw, R. S. Booth, F. Boulanger, M. L. Kutner, J. Lequeux, and L.-A. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20030784
Abstract | Full HTML | PDF (1.17 MB) | PS (1.11 MB) | References | SIMBAD record | NASA ADS Abstract Service

The WSRT wide-field H I survey - I. The background galaxy sample     p. 829
R. Braun, D. Thilker, and R. A. M. Walterbos
DOI: http://dx.doi.org/10.1051/0004-6361:20030761
Abstract | Full HTML | PDF (1.48 MB) | PS (3.16 MB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

About the morphology of dwarf spheroidal galaxies and their dark matter content     p. 847
C. J. Walcher, J. W. Fried, A. Burkert, and R. S. Klessen
DOI: http://dx.doi.org/10.1051/0004-6361:20030768
Abstract | Full HTML | PDF (399 KB) | PS (211 KB) | References | SIMBAD record | NASA ADS Abstract Service

Numerical simulations of radiation from blazar jets     p. 855
R. Moderski, M. Sikora, and M. Błażejowski
DOI: http://dx.doi.org/10.1051/0004-6361:20030794
Abstract | Full HTML | PDF (290 KB) | PS (104 KB) | References | SIMBAD record | NASA ADS Abstract Service

Mid-IR emission of galaxies in the Virgo cluster III. The data     p. 867
A. Boselli, M. Sauvage, J. Lequeux, A. Donati, and G. Gavazzi
DOI: http://dx.doi.org/10.1051/0004-6361:20030799
Abstract | Full HTML | PDF (1.54 MB) | PS (5.61 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Extremely hard GRB spectra prune down the forest of emission models     p. 879
G. Ghirlanda, A. Celotti, and G. Ghisellini
DOI: http://dx.doi.org/10.1051/0004-6361:20030803
Abstract | Full HTML | PDF (426 KB) | PS (163 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar clusters and associations
NGC 6738: Not a real open cluster     p. 893
C. Boeche, R. Barbon, A. Henden, U. Munari, and P. Agnolin
DOI: http://dx.doi.org/10.1051/0004-6361:20030834
Abstract | Full HTML | PDF (1.23 MB) | PS (782 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Formation, structure and evolution of stars
Observational study of reactive ions and radicals in PDRs     p. 899
A. Fuente, A. Rodrıguez-Franco, S. Garcıa-Burillo, J. Martın-Pintado, and J. H. Black
DOI: http://dx.doi.org/10.1051/0004-6361:20030712
Abstract | Full HTML | PDF (484 KB) | PS (274 KB) | References | SIMBAD record | NASA ADS Abstract Service

A multiwavelength study of the S 106 region - II. Characteristics of the photon dominated region     p. 915
N. Schneider, R. Simon, C. Kramer, K. Kraemer, J. Stutzki, and B. Mookerjea
DOI: http://dx.doi.org/10.1051/0004-6361:20030726
Abstract | Full HTML | PDF (1.18 MB) | PS (4.00 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Modeling gas-phase H2O between 5 μm and 540 μm toward massive protostars     p. 937
A. M. S. Boonman, S. D. Doty, E. F. van Dishoeck, E. A. Bergin, G. J. Melnick, C. M. Wright, and R. Stark
DOI: http://dx.doi.org/10.1051/0004-6361:20030765
Abstract | Full HTML | PDF (871 KB) | PS (454 KB) | References | SIMBAD record | NASA ADS Abstract Service

VLBI observations of T Tauri South     p. 957
K. Smith, M. Pestalozzi, M. Güdel, J. Conway, and A. O. Benz
DOI: http://dx.doi.org/10.1051/0004-6361:20030764
Abstract | Full HTML | PDF (478 KB) | PS (545 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
XMM-Newton observation of SN 1993J in M 81     p. 969
H.-U. Zimmermann, and B. Aschenbach
DOI: http://dx.doi.org/10.1051/0004-6361:20030687
Abstract | Full HTML | PDF (203 KB) | PS (284 KB) | References | SIMBAD record | NASA ADS Abstract Service

Elemental abundance analyses with DAO spectrograms - XXVII. The superficially normal stars θ And (A2 IV), ϵ Del (B6 III), ϵ Aqr (A1.5 V), and ι And (B9 V)     p. 975
D. Kocer, S. J. Adelman, H. Caliskan, A. F. Gulliver, and H. Gokmen Tektunali
DOI: http://dx.doi.org/10.1051/0004-6361:20030620
Abstract | Full HTML | PDF (83.5 KB) | PS (41.6 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

The evolution of V4334 Sgr (Sakurai's object) in the Mid-Infrared     p. 981
H. U. Käufl, J. Koller, and F. Kerber
DOI: http://dx.doi.org/10.1051/0004-6361:20030828
Abstract | Full HTML | PDF (112 KB) | PS (273 KB) | References | SIMBAD record | NASA ADS Abstract Service

Elemental abundance analyses with the EBASIM spectrograph of the 2.1-m CASLEO Observatory Telescope - I. The late B and early A stars Octantis, Sextantis, and 68 Tauri     p. 987
O. I. Pintado, and S. J. Adelman
DOI: http://dx.doi.org/10.1051/0004-6361:20030813
Abstract | Full HTML | PDF (108 KB) | PS (150 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

High resolution spectroscopy over 8500-8750 Å for GAIA - IV. Extending the cool MK stars sample     p. 995
P. M. Marrese, F. Boschi, and U. Munari
DOI: http://dx.doi.org/10.1051/0004-6361:20030647
Abstract | Full HTML | PDF (195 KB) | PS (90.1 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

New low-mass members of the Lupus 3 dark cloud: Further indications of pre-main-sequence evolution strongly affected by accretion     p. 1001
F. Comerón, M. Fernández, I. Baraffe, R. Neuhäuser, and A. A. Kaas
DOI: http://dx.doi.org/10.1051/0004-6361:20030848
Abstract | Full HTML | PDF (405 KB) | PS (428 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Formation and evolution of planetary systems
Discovery of a magnetic field in the Slowly Pulsating B star ζ Cassiopeiae     p. 1019
C. Neiner, V. C. Geers, H. F. Henrichs, M. Floquet, Y. Frémat, A.-M. Hubert, O. Preuss, and K. Wiersema
DOI: http://dx.doi.org/10.1051/0004-6361:20030742
Abstract | Full HTML | PDF (1.25 MB) | PS (1.50 MB) | References | SIMBAD record | NASA ADS Abstract Service

Doppler Imaging of the Ap star ϵ Ursae Majoris: Ca, Cr, Fe, Mg, Mn, Ti, Sr     p. 1033
T. Lueftinger, R. Kuschnig, N. E. Piskunov, and W. W. Weiss
DOI: http://dx.doi.org/10.1051/0004-6361:20030771
Abstract | Full HTML | PDF (793 KB) | PS (396 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Diffuse matter in space
The evolution of twisting coronal magnetic flux tubes     p. 1043
T. Török, and B. Kliem
DOI: http://dx.doi.org/10.1051/0004-6361:20030692
Abstract | Full HTML | PDF (2.06 MB) | PS (805 KB) | References | NASA ADS Abstract Service

A simplified numerical model of coronal energy dissipation based on reduced MHD     p. 1061
E. Buchlin, V. Aletti, S. Galtier, M. Velli, G. Einaudi, and J.-C. Vial
DOI: http://dx.doi.org/10.1051/0004-6361:20030730
Abstract | Full HTML | PDF (2.22 MB) | PS (1.03 MB) | References | NASA ADS Abstract Service

A superfine structure in solar microwave bursts     p. 1071
G. P. Chernov, Y. H. Yan, and Q. J. Fu
DOI: http://dx.doi.org/10.1051/0004-6361:20030779
Abstract | Full HTML | PDF (1.19 MB) | PS (18.1 MB) | References | NASA ADS Abstract Service

Distribution of magnetic flux density at the solar surface - Formulation and results from simulations     p. 1083
O. Steiner
DOI: http://dx.doi.org/10.1051/0004-6361:20030753
Abstract | Full HTML | PDF (140 KB) | PS (339 KB) | References | NASA ADS Abstract Service

Solar active regions: SOHO/CDS and TRACE observations of quiescent coronal loops     p. 1089
G. Del Zanna, and H. E. Mason
DOI: http://dx.doi.org/10.1051/0004-6361:20030791
Abstract | Full HTML | PDF (2.23 MB) | PS (1.26 MB) | References | NASA ADS Abstract Service

Hot coronal loop oscillations observed with SUMER: Examples and statistics     p. 1105
T. J. Wang, S. K. Solanki, W. Curdt, D. E. Innes, I. E. Dammasch, and B. Kliem
DOI: http://dx.doi.org/10.1051/0004-6361:20030858
Abstract | Full HTML | PDF (1.93 MB) | PS (1.60 MB) | References | Online Material | NASA ADS Abstract Service


-  The Sun
Long-term simulations of the rotational state of small irregular cometary nuclei     p. 1123
P. J. Gutiérrez, L. Jorda, J. L. Ortiz, and R. Rodrigo
DOI: http://dx.doi.org/10.1051/0004-6361:20030845
Abstract | Full HTML | PDF (1.04 MB) | PS (1.44 MB) | References | NASA ADS Abstract Service


-  The solar system
Expressions to implement the IAU 2000 definition of UT1     p. 1135
N. Capitaine, P. T. Wallace, and D. D. McCarthy
DOI: http://dx.doi.org/10.1051/0004-6361:20030817
Abstract | Full HTML | PDF (532 KB) | PS (163 KB) | References | Tables at CDS | NASA ADS Abstract Service


-  Celestial mechanics and astrometry
Dielectronic recombination data for dynamic finite-density plasmas - I. Goals and methodology     p. 1151
N. R. Badnell, M. G. O'Mullane, H. P. Summers, Z. Altun, M. A. Bautista, J. Colgan, T. W. Gorczyca, D. M. Mitnik, M. S. Pindzola, and O. Zatsarinny
DOI: http://dx.doi.org/10.1051/0004-6361:20030816
Abstract | Full HTML | PDF (930 KB) | PS (973 KB) | References | NASA ADS Abstract Service


-  Physical and chemical processes
Integration of the atmospheric fluctuations in a dual-field optical interferometer: The short exposure regime     p. 1167
G. Daigne, and J.-F. Lestrade
DOI: http://dx.doi.org/10.1051/0004-6361:20030662
Abstract | Full HTML | PDF (381 KB) | PS (240 KB) | References | NASA ADS Abstract Service