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Astronomy & Astrophysics

Vol. 483, No. 2 (May IV 2008)

3D model of convective flows & dust in an AGB star (B. Freytag, et al., p. 576)


-  Letters
Gas and dust in the inner disk of the Herbig Ae star MWC 758     p. L13
A. Isella, E. Tatulli, A. Natta, and L. Testi
Published online: 8 April 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809641
Abstract | Full HTML | PDF (411.4 KB) | PS (483.0 KB) | References | SIMBAD record | NASA ADS Abstract Service

Physical and dynamical properties of (12929) 1999 TZ1 suggest that it is a Trojan     p. L17
A. Moullet, E. Lellouch, A. Doressoundiram, J. L. Ortiz, R. Duffard, A. Morbidelli, P. Vernazza, and R. Moreno
Published online: 8 April 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809474
Abstract | Full HTML | PDF (1.118 MB) | PS (588.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

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The B-type giant HD 271791 in the Galactic halo - Linking run-away stars to hyper-velocity stars     p. L21
U. Heber, H. Edelmann, R. Napiwotzki, M. Altmann, and R.-D. Scholz
Published online: 8 April 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809767
Abstract | Full HTML | PDF (280.7 KB) | PS (108.9 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Astrophysical processes
Pitch-angle scattering in pure two-dimensional and two-component turbulence     p. 371
A. Shalchi, J. W. Bieber, and W. H. Matthaeus
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079099
Abstract | Full HTML | PDF (337.5 KB) | PS (127.9 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
Dark energy in the environments of the Local Group, the M 81 group, and the CenA group: the normalized Hubble diagram     p. 383
P. Teerikorpi, A. D. Chernin, I. D. Karachentsev, and M. J. Valtonen
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078894
Abstract | Full HTML | PDF (165.6 KB) | PS (57.01 KB) | References | SIMBAD record | NASA ADS Abstract Service

Statistical properties of SZ and X-ray cluster detections     p. 389
F. Pace, M. Maturi, M. Bartelmann, N. Cappelluti, K. Dolag, M. Meneghetti, and L. Moscardini
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809550
Abstract | Full HTML | PDF (1.423 MB) | PS (1.689 MB) | References | NASA ADS Abstract Service


-  Extragalactic astronomy
The chemical evolution of a Milky Way-like galaxy: the importance of a cosmologically motivated infall law     p. 401
E. Colavitti, F. Matteucci, and G. Murante
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809413
Abstract | Full HTML | PDF (1.345 MB) | PS (879.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

X-ray absorption in distant type II QSOs     p. 415
M. Krumpe, G. Lamer, A. Corral, A. D. Schwope, F. J. Carrera, X. Barcons, M. Page, S. Mateos, J. A. Tedds, and M. G. Watson
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079012
Abstract | Full HTML | PDF (1.115 MB) | PS (558.3 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Large-scale variations of the cosmic X-ray background and the X-ray emissivity of the local Universe     p. 425
M. Revnivtsev, S. Molkov, and S. Sazonov
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078691
Abstract | Full HTML | PDF (533.4 KB) | PS (368.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

An absorption origin for the X-ray spectral variability of MCG–6-30-15     p. 437
L. Miller, T. J. Turner, and J. N. Reeves
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809590
Abstract | Full HTML | PDF (702.0 KB) | PS (296.5 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
On the age heterogeneity of the Pleiades, Hyades, and Sirius moving groups     p. 453
B. Famaey, A. Siebert, and A. Jorissen
Published online: 2 January 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078979
Abstract | Full HTML | PDF (284.9 KB) | PS (109.3 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
Gaussian decomposition of H I surveys - IV. Galactic intermediate- and high-velocity clouds     p. 461
U. Haud
Published online: 4 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078922
Abstract | Full HTML | PDF (11.99 MB) | PS (11.47 MB) | References | SIMBAD record | NASA ADS Abstract Service

Multi-wavelength observations of a nearby multi-phase interstellar cloud     p. 471
C. Nehmé, C. Gry, F. Boulanger, J. Le Bourlot, G. Pineau des Forêts, and E. Falgarone
Published online: 4 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078373
Abstract | Full HTML | PDF (747.6 KB) | PS (639.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

Modeling of diffuse molecular gas applied to HD 102065 observations     p. 485
C. Nehmé, J. Le Bourlot, F. Boulanger, G. Pineau des Forêts, and C. Gry
Published online: 4 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078374
Abstract | Full HTML | PDF (296.3 KB) | PS (314.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

The role of carbon grains in the deuteration of H2     p. 495
S. Cazaux, P. Caselli, V. Cobut, and J. Le Bourlot
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078612
Abstract | Full HTML | PDF (509.5 KB) | PS (154.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Exploring a SNR/molecular cloud association within HESS J1745–303     p. 509
F. Aharonian et al.
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079230
Abstract | Full HTML | PDF (1.313 MB) | PS (6.886 MB) | References | SIMBAD record | NASA ADS Abstract Service

Abundances in planetary nebulae: NGC 6826     p. 519
R. Surendiranath and S. R. Pottasch
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809380
Abstract | Full HTML | PDF (382.0 KB) | PS (1.257 MB) | References | SIMBAD record | NASA ADS Abstract Service

Internal dynamics and particle acceleration in Tycho's SNR     p. 529
H. J. Völk, E. G. Berezhko, and L. T. Ksenofontov
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079337
Abstract | Full HTML | PDF (269.1 KB) | PS (98.28 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
A long-term photometric study of V 1184 Tauri     p. 537
E. H. Semkov, M. K. Tsvetkov, A. P. Borisova, K. Y. Stavrev, P. Kroll, T. Berthold, K. Birkle, H. Mandel, H. Mito, and K. Tarusawa
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079249
Abstract | Full HTML | PDF (135.2 KB) | PS (90.22 KB) | References | SIMBAD record | NASA ADS Abstract Service

A binary signature in the non-thermal radio-emitter Cyg OB2 #9     p. 543
Y. Nazé, M. De Becker, G. Rauw, and C. Barbieri
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809491
Abstract | Full HTML | PDF (238.7 KB) | PS (103.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

The decline in irradiation from the white dwarf in old novae     p. 547
N. L. Thomas, T. Naylor, and A. J. Norton
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079163
Abstract | Full HTML | PDF (380.7 KB) | PS (473.4 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
The Paschen-Back effect in the Li I 6708 Å line and the presence of lithium in cool magnetic Ap stars     p. 557
O. Kochukhov
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078856
Abstract | Full HTML | PDF (570.2 KB) | PS (343.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Chemical composition of A and F dwarfs members of the Pleiades open cluster     p. 567
M. Gebran and R. Monier
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079271
Abstract | Full HTML | PDF (184.0 KB) | PS (76.39 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

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Three-dimensional simulations of the atmosphere of an AGB star     p. 571
B. Freytag and S. Höfner
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078096
Abstract | Full HTML | PDF (3.201 MB) | PS (1.959 MB) | References | NASA ADS Abstract Service

Non-thermal radio emission from O-type stars - III. Is Cygnus OB2 No. 9 a wind-colliding binary?     p. 585
S. Van Loo, R. Blomme, S. M. Dougherty, and M. C. Runacres
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809367
Abstract | Full HTML | PDF (304.3 KB) | PS (599.5 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The solar photospheric abundance of hafnium and thorium - Results from CO5BOLD 3D hydrodynamic model atmospheres     p. 591
E. Caffau, L. Sbordone, H.-G. Ludwig, P. Bonifacio, M. Steffen, and N. T. Behara
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809629
Abstract | Full HTML | PDF (318.2 KB) | PS (232.8 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  The Sun
Analysis and interpretation of a fast limb CME with eruptive prominence, C-flare, and EUV dimming     p. 599
S. Koutchmy, V. Slemzin, B. Filippov, J.-C. Noens, D. Romeuf, and L. Golub
Published online: 9 January 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078311
Abstract | Full HTML | PDF (1.968 MB) | PS (6.479 MB) | References | NASA ADS Abstract Service

Radiative and magnetic properties of solar active regions - I. Global magnetic field and EUV line intensities     p. 609
A. Fludra and J. Ireland
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078183
Abstract | Full HTML | PDF (708.5 KB) | PS (472.6 KB) | References | NASA ADS Abstract Service

Moments of the latitudinal dependence of the sunspot cycle: a new diagnostic of dynamo models     p. 623
S. K. Solanki, T. Wenzler, and D. Schmitt
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20054282
Abstract | Full HTML | PDF (1.779 MB) | PS (934.5 KB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
On the formation and migration of giant planets in circumbinary discs     p. 633
A. Pierens and R. P. Nelson
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:200809453
Abstract | Full HTML | PDF (6.832 MB) | PS (3.027 MB) | References | SIMBAD record | NASA ADS Abstract Service

Lunar dust characterization by polarimetric signature - I. Negative polarization branch of sphere aggregates of various porosities     p. 643
D. T. Richard and S. S. Davis
Published online: 26 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20079108
Abstract | Full HTML | PDF (286.0 KB) | PS (759.5 KB) | References | NASA ADS Abstract Service


-  Astronomical instrumentation
El Roque de Los Muchachos site characteristics - III. Analysis of atmospheric dust and aerosol extinction     p. 651
G. Lombardi, V. Zitelli, S. Ortolani, M. Pedani, and A. Ghedina
Published online: 19 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078372
Abstract | Full HTML | PDF (378.8 KB) | PS (126.9 KB) | References | NASA ADS Abstract Service


-  Catalogs and data
Optical properties of silicon carbide for astrophysical applications - I. New laboratory infrared reflectance spectra and optical constants     p. 661
K. M. Pitman, A. M. Hofmeister, A. B. Corman, and A. K. Speck
Published online: 11 March 2008
DOI: http://dx.doi.org/10.1051/0004-6361:20078468
Abstract | Full HTML | PDF (653.9 KB) | PS (595.1 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service