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Astronomy and Astrophysics

Vol. 424, No. 3 (September IV 2004)

Polarization of stars around the Galactic Poles (Berdyugin A., et al., p. 874)

- Letters

A Spectroscopic study of the non-thermal radio emitter Cyg OB2 #8A: Discovery of a new binary system p. L39
M. De Becker, G. Rauw, and J. Manfroid
DOI: http://dx.doi.org/10.1051/0004-6361:200400049
Abstract | Full HTML | PDF (159 KB) | PS (237 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Astrophysical processes

Superbubbles and energetic particles in the Galaxy - I. Collective effects of particle acceleration p. 747
E. Parizot, A. Marcowith, E. van der Swaluw, A. M. Bykov, and V. Tatischeff
DOI: http://dx.doi.org/10.1051/0004-6361:20041269
Abstract | Full HTML | PDF (199 KB) | PS (79.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Cosmology (including clusters of galaxies)

The ESO Nearby Abell Cluster Survey - XIII. The orbits of the different types of galaxies in rich clusters p. 779
A. Biviano, and P. Katgert
DOI: http://dx.doi.org/10.1051/0004-6361:20041306
Abstract | Full HTML | PDF (362 KB) | PS (145 KB) | References | NASA ADS Abstract Service

- Extragalactic astronomy

Black hole mass estimation using a relation between the BLR size and emission line luminosity of AGN p. 793
X.-B. Wu, R. Wang, M. Z. Kong, F. K. Liu, and J. L. Han
DOI: http://dx.doi.org/10.1051/0004-6361:20035845
Abstract | Full HTML | PDF (149 KB) | PS (88.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

Gas flow and dark matter in the inner parts of early-type barred galaxies - I. SPH simulations and comparison with the observed kinematics p. 799
I. Pérez, R. Fux, and K. Freeman
DOI: http://dx.doi.org/10.1051/0004-6361:20040333
Abstract | Full HTML | PDF (1.72 MB) | PS (11.6 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

On the constraining observations of the dark GRB 001109 and the properties of a z = 0.398 radio selected starburst galaxy contained in its error box p. 833
J. M. Castro Cerón et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20035921
Abstract | Full HTML | PDF (435 KB) | PS (587 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Galactic structure, stellar clusters and populations

Photometric variability of young brown dwarfs in the σ Orionis open cluster p. 857
J. A. Caballero, V. J. S. Béjar, R. Rebolo, and M. R. Zapatero Osorio
DOI: http://dx.doi.org/10.1051/0004-6361:20047048
Abstract | Full HTML | PDF (632 KB) | PS (242 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Interstellar and circumstellar matter

Interstellar polarization at high galactic latitudes from distant stars - VII. A complete map for southern latitudes b p. 873
A. Berdyugin, V. Piirola, and P. Teerikorpi
DOI: http://dx.doi.org/10.1051/0004-6361:20040308
Abstract | Full HTML | PDF (735 KB) | PS (431 KB) | References | SIMBAD record | NASA ADS Abstract Service

Propagation of ionizing radiation in regions: The effects of optically thick density fluctuations p. 877
C. Giammanco, J. E. Beckman, A. Zurita, and M. Relaño
DOI: http://dx.doi.org/10.1051/0004-6361:20040468
Abstract | Full HTML | PDF (358 KB) | PS (167 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Stellar structure and evolution

Multi-element abundance Doppler imaging of the rapidly oscillating Ap star HR 3831 p. 935
O. Kochukhov, N. A. Drake, N. Piskunov, and R. de la Reza
DOI: http://dx.doi.org/10.1051/0004-6361:20040517
Abstract | Full HTML | PDF (2.07 MB) | PS (3.90 MB) | References | SIMBAD record | NASA ADS Abstract Service

Detailed chemical composition of the open cluster IC 4651: The iron peak, α elements, and Li p. 951
L. Pasquini, S. Randich, M. Zoccali, V. Hill, C. Charbonnel, and B. Nordström
DOI: http://dx.doi.org/10.1051/0004-6361:20040240
Abstract | Full HTML | PDF (258 KB) | PS (122 KB) | References | SIMBAD record | NASA ADS Abstract Service

Chandra observations of the massive star-forming region S106 - X-ray emission from the embedded massive protostellar object IRS 4 p. 965
G. Giardino, F. Favata, and G. Micela
DOI: http://dx.doi.org/10.1051/0004-6361:20040363
Abstract | Full HTML | PDF (1.08 MB) | PS (301 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Stellar atmospheres

Properties of longitudinal flux tube waves - III. Wave propagation in solar and stellar wind flows p. 1003
M. Cuntz, and S. T. Suess
DOI: http://dx.doi.org/10.1051/0004-6361:20040497
Abstract | Full HTML | PDF (281 KB) | PS (88.0 KB) | References | NASA ADS Abstract Service

- The Sun

On the network structures in solar equatorial coronal holes - Observations of SUMER and MDI on SOHO p. 1025
L. D. Xia, E. Marsch, and K. Wilhelm
DOI: http://dx.doi.org/10.1051/0004-6361:20047027
Abstract | Full HTML | PDF (1.63 MB) | PS (1.95 MB) | References | Online Material | NASA ADS Abstract Service

Shock wave driven by an expanding system of loops p. 1039
N.-E. Raouafi, S. Mancuso, S. K. Solanki, B. Inhester, M. Mierla, G. Stenborg, J. P. Delaboudinière, and C. Benna
DOI: http://dx.doi.org/10.1051/0004-6361:20040083
Abstract | Full HTML | PDF (2.06 MB) | PS (6.15 MB) | References | NASA ADS Abstract Service

- Planets and planetary systems

Thermal infrared observations of near-Earth asteroid 2002 NY40 p. 1075
T. G. Müller, M. F. Sterzik, O. Schütz, P. Pravec, and R. Siebenmorgen
DOI: http://dx.doi.org/10.1051/0004-6361:20041061
Abstract | Full HTML | PDF (421 KB) | PS (310 KB) | References | NASA ADS Abstract Service

- Instruments, observational techniques, and data processing

An α-stable approach to the study of the P(D) distribution of unresolved point sources in CMB sky maps p. 1081
D. Herranz, E. E. Kuruoğlu, and L. Toffolatti
DOI: http://dx.doi.org/10.1051/0004-6361:20035858
Abstract | Full HTML | PDF (343 KB) | PS (127 KB) | References | NASA ADS Abstract Service