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Astronomy and Astrophysics

Vol. 499, No. 1 (May III 2009)

Convection zone in the envelope of a hot massive star (M. Cantiello, et al., p. 283)
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-  Letters
Can angular momentum loss cause the period change of NN Serpentis?     p. L1
W.-C. Chen
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911638
Abstract | Full HTML | PDF (106.5 KB) | PS (42.49 KB) | References | SIMBAD record | NASA ADS Abstract Service

Probing nanoflares with observed fluctuations of the coronal EUV emission     p. L5
G. Vekstein
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911872
Abstract | Full HTML | PDF (378.2 KB) | PS (259.7 KB) | References | NASA ADS Abstract Service

An investigation of chromospheric activity spanning the Vaughan-Preston gap: impact on stellar ages     p. L9
G. Pace, J. Melendez, L. Pasquini, G. Carraro, J. Danziger, P. François, F. Matteucci, and N. C. Santos
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912090
Abstract | Full HTML | PDF (135.7 KB) | PS (67.65 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  Astrophysical processes
Open Access Option (More)
The neutrino signal from protoneutron star accretion and black hole formation     p. 1
T. Fischer, S. C. Whitehouse, A. Mezzacappa, F.-K. Thielemann, and M. Liebendörfer
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811055
Abstract | Full HTML | PDF (547.5 KB) | PS (229.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Linear force-free field of a toroidal symmetry     p. 17
E. Romashets and M. Vandas
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911701
Abstract | Full HTML | PDF (598.2 KB) | PS (536.5 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
Constraints on CDM cosmology from galaxy power spectrum, CMB and SNIa evolution     p. 21
L. D. Ferramacho, A. Blanchard, and Y. Zolnierowski
Published online: 12 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810693
Abstract | Full HTML | PDF (365.8 KB) | PS (275.3 KB) | References | NASA ADS Abstract Service

Ray-tracing through the Millennium Simulation: Born corrections and lens-lens coupling in cosmic shear and galaxy-galaxy lensing     p. 31
S. Hilbert, J. Hartlap, S. D. M. White, and P. Schneider
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811054
Abstract | Full HTML | PDF (348.0 KB) | PS (1.384 MB) | References | NASA ADS Abstract Service


-  Extragalactic astronomy
Suppressed radio emission in supercluster galaxies: enhanced ram pressure in merging clusters?     p. 45
J.-C. Mauduit and G. A. Mamon
Published online: 9 February 2009
DOI: http://dx.doi.org/10.1051/0004-6361/20077721e
Abstract | Full HTML | PDF (41.07 KB) | PS (19.92 KB) | References | NASA ADS Abstract Service

Evolution of red-sequence cluster galaxies from redshift 0.8 to 0.4: ages, metallicities, and morphologies     p. 47
P. Sánchez-Blázquez et al.
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811355
Abstract | Full HTML | PDF (890.3 KB) | PS (494.0 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

GMASS ultradeep spectroscopy of galaxies at z ~ 2 - IV. The variety of dust populations     p. 69
S. Noll et al.
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811526
Abstract | Full HTML | PDF (531.5 KB) | PS (266.1 KB) | References | SIMBAD record | NASA ADS Abstract Service

The effect of ram pressure on the star formation, mass distribution and morphology of galaxies     p. 87
W. Kapferer, C. Sluka, S. Schindler, C. Ferrari, and B. Ziegler
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811551
Abstract | Full HTML | PDF (4.647 MB) | PS (21.89 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
Beryllium abundances and star formation in the halo and in the thick disk     p. 103
R. Smiljanic, L. Pasquini, P. Bonifacio, D. Galli, R. G. Gratton, S. Randich, and B. Wolff
Published online: 19 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810592
Abstract | Full HTML | PDF (576.0 KB) | PS (317.0 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Life at the periphery of the Local Group: the kinematics of the Tucana dwarf galaxy     p. 121
F. Fraternali, E. Tolstoy, M. J. Irwin, and A. A. Cole
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810830
Abstract | Full HTML | PDF (2.269 MB) | PS (3.621 MB) | References | SIMBAD record | NASA ADS Abstract Service

Quantifying the contamination by old main-sequence stars in young moving groups: the case of the Local Association     p. 129
J. López-Santiago, G. Micela, and D. Montes
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811590
Abstract | Full HTML | PDF (278.8 KB) | PS (198.8 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
Photometric and polarimetric clues to the circumstellar environment of RY Lupi     p. 137
N. Manset, P. Bastien, F. Ménard, C. Bertout, A. Le Van Suu, and L. Boivin
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810945
Abstract | Full HTML | PDF (609.6 KB) | PS (1.637 MB) | References | SIMBAD record | NASA ADS Abstract Service

Physical properties of Southern infrared dark clouds     p. 149
T. Vasyunina, H. Linz, Th. Henning, B. Stecklum, S. Klose, and L.-Å. Nyman
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811226
Abstract | Full HTML | PDF (5.727 MB) | PS (16.25 MB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Linear polarization in forbidden lines of the T Tauri star RY Tauri     p. 163
H. Akitaya, Y. Ikeda, K. S. Kawabata, K. Matsuda, A. Okazaki, and M. Seki
Published online: 19 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811275
Abstract | Full HTML | PDF (441.8 KB) | PS (1.383 MB) | References | SIMBAD record | NASA ADS Abstract Service

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Probing the role of protostellar feedback in clustered star formation - Mapping outflows in the collapsing protocluster NGC 2264-C     p. 175
A. J. Maury, Ph. André, and Z.-Y. Li
Published online: 18 February 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811442
Abstract | Full HTML | PDF (928.5 KB) | PS (1.930 MB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Radio emission and nonlinear diffusive shock acceleration of cosmic rays in the supernova SN 1993J     p. 191
V. Tatischeff
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811511
Abstract | Full HTML | PDF (772.7 KB) | PS (317.4 KB) | References | SIMBAD record | NASA ADS Abstract Service

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Increased complexity in interstellar chemistry: detection and chemical modeling of ethyl formate and n-propyl cyanide in Sagittarius B2(N)     p. 215
A. Belloche, R. T. Garrod, H. S. P. Müller, K. M. Menten, C. Comito, and P. Schilke
Published online: 5 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811550
Abstract | Full HTML | PDF (1.681 MB) | PS (1.490 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Linking pre- and proto-stellar objects in the intermediate-/high-mass star forming region IRAS 05345+3157     p. 233
F. Fontani, Q. Zhang, P. Caselli, and T. L. Bourke
Published online: 27 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911617
Abstract | Full HTML | PDF (691.9 KB) | PS (975.9 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Abundances in the planetary nebula NGC 6210     p. 249
S. R. Pottasch, J. Bernard-Salas, and T. L. Roellig
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911654
Abstract | Full HTML | PDF (260.6 KB) | PS (1.181 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
Asteroseismology of hot pre-white dwarf stars: the case of the DOV stars PG 2131+066 and PG 1707+427, and the PNNV star NGC 1501     p. 257
A. H. Córsico, L. G. Althaus, M. M. Miller Bertolami, and E. García-Berro
Published online: 30 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810727
Abstract | Full HTML | PDF (267.4 KB) | PS (160.0 KB) | References | SIMBAD record | NASA ADS Abstract Service

The isolated neutron star RBS1774 revisited - Revised XMM-Newton X-ray parameters and an optical counterpart from deep LBT-observations     p. 267
A. D. Schwope et al.
Published online: 27 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811041
Abstract | Full HTML | PDF (404.5 KB) | PS (567.1 KB) | References | SIMBAD record | NASA ADS Abstract Service

HESS upper limit on the very high energy γ-ray emission from the globular cluster 47 Tucanae     p. 273
F. Aharonian et al.
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811564
Abstract | Full HTML | PDF (150.0 KB) | PS (64.28 KB) | References | SIMBAD record | NASA ADS Abstract Service

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Sub-surface convection zones in hot massive stars and their observable consequences     p. 279
M. Cantiello, N. Langer, I. Brott, A. de Koter, S. N. Shore, J. S. Vink, A. Voegler, D. J. Lennon, and S.-C. Yoon
Published online: 12 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911643
Abstract | Full HTML | PDF (1.534 MB) | PS (7.235 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
Parameters of galactic early B supergiants - The influence of the wind on the interstellar extinction determination     p. 291
M. Kraus, M. Borges Fernandes, and J. Kubát
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810319
Abstract | Full HTML | PDF (210.8 KB) | PS (177.3 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  The Sun
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Explanation of the activity sensitivity of Mn I 5394.7 Å     p. 301
N. Vitas, B. Viticchiè, R. J. Rutten, and A. Vögler
Published online: 5 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810600
Abstract | Full HTML | PDF (693.9 KB) | PS (682.3 KB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
On the theory of light curves of video-meteors     p. 313
P. Pecina and P. Koten
Published online: 30 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811503
Abstract | Full HTML | PDF (209.1 KB) | PS (253.4 KB) | References | NASA ADS Abstract Service


-  Celestial mechanics and astrometry
Estimating the accuracy of satellite ephemerides using the bootstrap method     p. 321
J. Desmars, S. Arlot, J.-E. Arlot, V. Lainey, and A. Vienne
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811509
Abstract | Full HTML | PDF (5.056 MB) | PS (15.23 MB) | References | NASA ADS Abstract Service

Determining the relativistic parameter γ using very long baseline interferometry     p. 331
S. B. Lambert and C. Le Poncin-Lafitte
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911714
Abstract | Full HTML | PDF (268.6 KB) | PS (187.1 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Astronomical instrumentation
Roughness scattering in X-ray grazing-incidence telescopes     p. 337
F. E. Zocchi
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811506
Abstract | Full HTML | PDF (232.5 KB) | PS (129.3 KB) | References | NASA ADS Abstract Service


-  Catalogs and data
Linelists for NH , NH D, ND H, and ND with quadrupole coupling hyperfine components     p. 347
L. H. Coudert and E. Roueff
Published online: 19 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/20054136e
Abstract | Full HTML | PDF (30.51 KB) | PS (14.65 KB) | NASA ADS Abstract Service


-  Numerical methods and codes
Thermal instability in X-ray photoionized media in active galactic nuclei - II. Role of the thermal conduction in warm absorber     p. 349
B. Czerny, L. Chevallier, A. C. Gonçalves, A. Różańska , and A.-M. Dumont
Published online: 27 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810956
Abstract | Full HTML | PDF (203.4 KB) | PS (107.2 KB) | References | SIMBAD record | NASA ADS Abstract Service