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Astronomy & Astrophysics

Vol. 486, No. 2 (August I 2008)

High resolution image of solar active region in Hα (B. Sánchez-Andrade Nuño, et al., p. 580)
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-  Letters
A reinterpretation of the energy balance in active region loops following new results from Hinode EIS     p. L5
S. J. Bradshaw
Published online: 9 June 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809847
Abstract | Full HTML | PDF (99.06 KB) | PS (44.21 KB) | References | NASA ADS Abstract Service

Press Release
Visible spectroscopy of extremely young asteroid families     p. L9
T. Mothé-Diniz and D. Nesvorný
Published online: 9 June 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809934
Abstract | Full HTML | PDF (221.3 KB) | PS (78.37 KB) | References | NASA ADS Abstract Service

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Optical polarimetry toward the Pipe nebula: revealing the importance of the magnetic field     p. L13
F. O. Alves, G. A. P. Franco, and J. M. Girart
Published online: 9 June 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200810091
Abstract | Full HTML | PDF (401.6 KB) | PS (288.1 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Astrophysical processes
Hydrodynamic response of rotationally supported flows in the small shearing box model     p. 341
A. Sternberg, O. M. Umurhan, Y. Gil, and O. Regev
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20077484
Abstract | Full HTML | PDF (142.0 KB) | PS (69.72 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
Shock acceleration as origin of the radio relic in A 521?     p. 347
S. Giacintucci, T. Venturi, G. Macario, D. Dallacasa, G. Brunetti, M. Markevitch, R. Cassano, S. Bardelli, and R. Athreya
Published online: 16 April 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809459
Abstract | Full HTML | PDF (663.4 KB) | PS (1.415 MB) | References | SIMBAD record | NASA ADS Abstract Service

Radial temperature profiles for a large sample of galaxy clusters observed with XMM-Newton     p. 359
A. Leccardi and S. Molendi
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809538
Abstract | Full HTML | PDF (491.8 KB) | PS (308.6 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Light curves of five type Ia supernovae at intermediate redshift     p. 375
R. Amanullah et al.
Published online: 15 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079070
Abstract | Full HTML | PDF (380.5 KB) | PS (336.9 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Constraints on the non-linear coupling parameter with Archeops data     p. 383
A. Curto, J. F. Macías-Pérez, E. Martínez-González, R. B. Barreiro, D. Santos , F. K. Hansen, M.  Liguori, and S.  Matarrese
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809880
Abstract | Full HTML | PDF (631.8 KB) | PS (237.2 KB) | References | NASA ADS Abstract Service


-  Extragalactic astronomy
Integral field near-infrared spectroscopy of II Zw 40     p. 393
L. Vanzi, G. Cresci, E. Telles, and J. Melnick
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078885
Abstract | Full HTML | PDF (2.596 MB) | PS (12.36 MB) | References | SIMBAD record | NASA ADS Abstract Service

GRB 070707: the first short gamma-ray burst observed by INTEGRAL     p. 405
S. McGlynn, S. Foley, S. McBreen, L. Hanlon, R. O'Connor, A. Martin Carrillo, and B. McBreen
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079295
Abstract | Full HTML | PDF (169.9 KB) | PS (76.42 KB) | References | SIMBAD record | NASA ADS Abstract Service

The multiwavelength variability of 3C 273     p. 411
S. Soldi et al.
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809947
Abstract | Full HTML | PDF (756.2 KB) | PS (486.4 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
The contribution of red dwarfs and white dwarfs to the halo dark matter     p. 427
S. Torres, J. Camacho, J. Isern, and E. García-Berro
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809805
Abstract | Full HTML | PDF (202.2 KB) | PS (90.10 KB) | References | SIMBAD record | NASA ADS Abstract Service

Comparing CN and CH line strengths in a homogeneous spectroscopic sample of 8 Galactic globular clusters     p. 437
A. Kayser, M. Hilker, E. K. Grebel, and P. G. Willemsen
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809446
Abstract | Full HTML | PDF (1.029 MB) | PS (683.1 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The outskirts of Cygnus OB2     p. 453
F. Comerón, A. Pasquali, F. Figueras, and J. Torra
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809917
Abstract | Full HTML | PDF (847.6 KB) | PS (1.017 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Multiplicity of nuclear dust lanes and dust lane shocks in the Milky Way bar     p. 467
H. S. Liszt
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809748
Abstract | Full HTML | PDF (848.8 KB) | PS (198.8 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
Mapping the interface between the Local and Loop I bubbles using Strömgren photometry     p. 471
W. Reis and W. J. B. Corradi
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20077946
Abstract | Full HTML | PDF (5.280 MB) | PS (5.010 MB) | References | SIMBAD record | NASA ADS Abstract Service

Resolving the bow-shock nebula around the old pulsar PSR B1929+10 with multi-epoch Chandra observations     p. 485
C. Y. Hui and W. Becker
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078227
Abstract | Full HTML | PDF (584.7 KB) | PS (1.696 MB) | References | SIMBAD record | NASA ADS Abstract Service

Limits on chemical complexity in diffuse clouds: search for CH3 and HC5N absorption     p. 493
H. S. Liszt, J. Pety, and R. Lucas
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809851
Abstract | Full HTML | PDF (119.2 KB) | PS (55.43 KB) | References | SIMBAD record | NASA ADS Abstract Service

Dust-driven winds and mass loss of C-rich AGB stars with subsolar metallicities     p. 497
A. Wachter, J. M. Winters, K.-P. Schröder, and E. Sedlmayr
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809893
Abstract | Full HTML | PDF (338.0 KB) | PS (139.0 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
Cyclic brightening in the short-period WZ Sge-type cataclysmic variable SDSS J080434.20+510349.2     p. 505
S. V. Zharikov et al.
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809721
Abstract | Full HTML | PDF (976 KB) | PS (728.9 KB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

AGB stars of the intermediate-age LMC cluster NGC 1846 - II. Dredge up along the AGB     p. 511
T. Lebzelter, M. T. Lederer, S. Cristallo, K. H. Hinkle, O. Straniero, and B. Aringer
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809363
Abstract | Full HTML | PDF (267.6 KB) | PS (208.1 KB) | References | SIMBAD record | NASA ADS Abstract Service

Stability of helium accretion discs in ultracompact binaries     p. 523
J.-P. Lasota, G. Dubus, and K. Kruk
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809658
Abstract | Full HTML | PDF (181.1 KB) | PS (92.80 KB) | References | SIMBAD record | NASA ADS Abstract Service

NSV 13983: a new dwarf nova in the period gap     p. 529
C. Contreras and C. Tappert
Published online: 9 June 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809843
Abstract | Full HTML | PDF (108.8 KB) | PS (58.24 KB) | References | SIMBAD record | NASA ADS Abstract Service

The enigmatic young object: Walker 90/V590 Monocerotis     p. 533
M. R. Pérez, B. McCollum, M. E. van den Ancker, and M. D. Joner
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809933
Abstract | Full HTML | PDF (652.8 KB) | PS (903.3 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

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Spatially resolved spectroscopy of planetary nebulae and their halos - I. Five galactic disk objects     p. 545
C. Sandin, D. Schönberner, M. M. Roth, M. Steffen, P. Böhm, and A. Monreal-Ibero
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809635
Abstract | Full HTML | PDF (2.206 MB) | PS (2.992 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  The Sun
Chromospheric magnetic reconnection: two-fluid simulations of coalescing current loops     p. 569
P. D. Smith and J. I. Sakai
Published online: 6 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809624
Abstract | Full HTML | PDF (1.861 MB) | PS (1003 KB) | References | NASA ADS Abstract Service

Fast events and waves in an active region of the Sun observed in Hα with high spatial resolution     p. 577
B. Sánchez-Andrade Nuño, N. Bello González, J. Blanco Rodríguez, F. Kneer, and K. G. Puschmann
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079231
Abstract | Full HTML | PDF (2.086 MB) | PS (13.83 MB) | References | NASA ADS Abstract Service

Open magnetic flux tubes in the corona and the transport of solar energetic particles     p. 589
K.-L. Klein, S. Krucker, G. Lointier, and A. Kerdraon
Published online: 15 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079228
Abstract | Full HTML | PDF (819.0 KB) | PS (1.046 MB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
A coagulation-fragmentation model for the turbulent growth and destruction of preplanetesimals     p. 597
A. Johansen, F. Brauer, C. Dullemond, H. Klahr, and T. Henning
Published online: 15 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079232
Abstract | Full HTML | PDF (761.5 KB) | PS (790.0 KB) | References | SIMBAD record | NASA ADS Abstract Service

134340 Pluto: nine years of CCD observations     p. 613
C. H. Veiga
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809838
Abstract | Full HTML | PDF (172.7 KB) | PS (116.1 KB) | References | Tables at CDS | NASA ADS Abstract Service

Planet formation in binary stars: the case of γ Cephei     p. 617
W. Kley and R. P. Nelson
Published online: 15 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079324
Abstract | Full HTML | PDF (759.9 KB) | PS (627.9 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Atomic, molecular, and nuclear data
Electron impact excitation collision strength for transitions in C II     p. 629
S. S. Tayal
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200810055
Abstract | Full HTML | PDF (219.2 KB) | PS (211.1 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service


-  Astronomical instrumentation
PCA detection and denoising of Zeeman signatures in polarised stellar spectra     p. 637
M. J. Martínez González, A. Asensio Ramos, T. A. Carroll, M. Kopf, J. C. Ramírez Vélez, and M. Semel
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809719
Abstract | Full HTML | PDF (386.8 KB) | PS (172.5 KB) | References | NASA ADS Abstract Service

Beam squint and Stokes V with off-axis feeds     p. 647
Juan M. Uson and W. D. Cotton
Published online: 22 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809509
Abstract | Full HTML | PDF (1.996 MB) | PS (4.193 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Numerical methods and codes
Magnetohydrodynamic code for gravitationally-stratified media     p. 655
S. Shelyag, V. Fedun, and R. Erdélyi
Published online: 27 May 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809800
Abstract | Full HTML | PDF (819.7 KB) | PS (1.531 MB) | References | NASA ADS Abstract Service