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Astronomy and Astrophysics

Vol. 471, No. 2 (August IV 2007)

W44: radio (blue), IR 8 μm (green), IR 24 μm (red) (G. Castelletti, et al., p. 547)
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-  Letters
WSRT Faraday tomography of the Galactic ISM at  m - First results for a field at (l, b)     p. L21
D. H. F. M. Schnitzeler, P. Katgert, and A. G. de Bruyn
DOI: http://dx.doi.org/10.1051/0004-6361:20077635
Abstract | Full HTML | PDF (2.458 MB) | PS (1.198 MB) | References | SIMBAD record | NASA ADS Abstract Service

Transient jets in V617 Sagittarii     p. L25
J. E. Steiner, A. S. Oliveira, C. A. O. Torres, and A. Damineli
DOI: http://dx.doi.org/10.1051/0004-6361:20077847
Abstract | Full HTML | PDF (90.18 KB) | PS (48.74 KB) | References | SIMBAD record | NASA ADS Abstract Service

GRB 060218 and GRBs associated with supernovae Ib/c     p. L29
M. G. Dainotti, M. G. Bernardini, C. L. Bianco, L. Caito, R. Guida, and R. Ruffini
DOI: http://dx.doi.org/10.1051/0004-6361:20078068
Abstract | Full HTML | PDF (270.1 KB) | PS (760.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

The spatial distribution of substellar objects in IC 348 and the Orion Trapezium cluster     p. L33
M. S. N. Kumar and S. Schmeja
DOI: http://dx.doi.org/10.1051/0004-6361:20077875
Abstract | Full HTML | PDF (128.3 KB) | PS (507.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

Radio burst from converging separatrices     p. L37
H. Aurass, G. Rausche, and G. Mann
DOI: http://dx.doi.org/10.1051/0004-6361:20077544
Abstract | Full HTML | PDF (4.780 MB) | PS (4.806 MB) | References | NASA ADS Abstract Service

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Low-mass lithium-rich AGB stars in the Galactic bulge: evidence for cool bottom processing?     p. L41
S. Uttenthaler, T. Lebzelter, S. Palmerini, M. Busso, B. Aringer, and M. T. Lederer
DOI: http://dx.doi.org/10.1051/0004-6361:20077879
Abstract | Full HTML | PDF (147.4 KB) | PS (74.12 KB) | References | SIMBAD record | NASA ADS Abstract Service

The long-term stability of the visible F corona at heights of 3–6 R     p. L47
H. Morgan and S. R. Habbal
DOI: http://dx.doi.org/10.1051/0004-6361:20078071
Abstract | Full HTML | PDF (1.378 MB) | PS (3.034 MB) | References | NASA ADS Abstract Service


-  Astrophysical processes
The correlations between the spin frequencies and kHz QPOs of neutron stars in LMXBs     p. 381
H. X. Yin, C. M. Zhang, Y. H. Zhao, Y. J. Lei, J. L. Qu, L. M. Song, and F. Zhang
DOI: http://dx.doi.org/10.1051/0004-6361:20077069
Abstract | Full HTML | PDF (121.6 KB) | PS (62.66 KB) | References | SIMBAD record | NASA ADS Abstract Service

GRB 050822: detailed analysis of an XRF observed by Swift     p. 385
O. Godet et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20077266
Abstract | Full HTML | PDF (342.6 KB) | PS (185.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Neutron-rich gamma-ray burst flows: dynamics and particle creation in neutron-proton collisions     p. 395
H. B. J. Koers and D. Giannios
DOI: http://dx.doi.org/10.1051/0004-6361:20077560
Abstract | Full HTML | PDF (380.4 KB) | PS (270.0 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
Excitation of MHD waves in magnetized anisotropic cosmologies     p. 409
A. Kuiroukidis, K. Kleidis, D. B. Papadopoulos, and L. Vlahos
DOI: http://dx.doi.org/10.1051/0004-6361:20077109
Abstract | Full HTML | PDF (304.0 KB) | PS (93.19 KB) | References | NASA ADS Abstract Service

Dynamical models with a general anisotropy profile     p. 419
M. Baes and E. Van Hese
DOI: http://dx.doi.org/10.1051/0004-6361:20077672
Abstract | Full HTML | PDF (264.8 KB) | PS (357.3 KB) | References | Online Material | NASA ADS Abstract Service


-  Extragalactic astronomy
Physical properties of z ~ 4 LBGs: differences between galaxies with and without Lyα emission     p. 433
L. Pentericci, A. Grazian, A. Fontana, S. Salimbeni, P. Santini, C. De Santis, S. Gallozzi, and E. Giallongo
DOI: http://dx.doi.org/10.1051/0004-6361:20066933
Abstract | Full HTML | PDF (134.5 KB) | PS (58.77 KB) | References | SIMBAD record | NASA ADS Abstract Service

New limits on the density of the extragalactic background light in the optical to the far infrared from the spectra of all known TeV blazars     p. 439
D. Mazin and M. Raue
DOI: http://dx.doi.org/10.1051/0004-6361:20077158
Abstract | Full HTML | PDF (360.5 KB) | PS (167.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

Resolving the innermost parsec of Centaurus A at mid-infrared wavelengths     p. 453
K. Meisenheimer et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066967
Abstract | Full HTML | PDF (2.077 MB) | PS (14.13 MB) | References | SIMBAD record | NASA ADS Abstract Service

Keck spectroscopy and Spitzer space telescope analysis of the outer disk of the Triangulum spiral galaxy M 33     p. 467
D. L. Block et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065908
Abstract | Full HTML | PDF (656.5 KB) | PS (611.0 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
Kinematic segregation of nearby disk stars from the Hipparcos database     p. 475
R. E. de Souza and R. Teixeira
DOI: http://dx.doi.org/10.1051/0004-6361:20066257
Abstract | Full HTML | PDF (14.80 MB) | PS (1.617 MB) | References | NASA ADS Abstract Service

Pre-main-sequence stars in the young open cluster NGC 1893 - II. Evidence for triggered massive star formation     p. 485
I. Negueruela, A. Marco, G. L. Israel, and G. Bernabeu
DOI: http://dx.doi.org/10.1051/0004-6361:20066654
Abstract | Full HTML | PDF (1.077 MB) | PS (2.417 MB) | References | SIMBAD record | NASA ADS Abstract Service

The lower mass function of the young open cluster Blanco 1: from 30 MJup to 3 M     p. 499
E. Moraux, J. Bouvier, J. R. Stauffer, D. Barrado y Navascués, and J.-C. Cuillandre
DOI: http://dx.doi.org/10.1051/0004-6361:20066308
Abstract | Full HTML | PDF (1.302 MB) | PS (584.3 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Variable stars in the open cluster NGC 6791 and its surrounding field     p. 515
F. De Marchi, E. Poretti, M. Montalto, G. Piotto, S. Desidera, L. R. Bedin, R. Claudi, A. Arellano Ferro, H. Bruntt, and P. B. Stetson
DOI: http://dx.doi.org/10.1051/0004-6361:20077386
Abstract | Full HTML | PDF (5.383 MB) | PS (4.001 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
ESC observations of SN 2005cf - II. Optical spectroscopy and the high-velocity features     p. 527
G. Garavini et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066971
Abstract | Full HTML | PDF (1.067 MB) | PS (831.9 KB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

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The low-frequency radio emission and spectrum of the extended SNR W44: new VLA observations at 74 and 324 MHz     p. 537
G. Castelletti, G. Dubner, C. Brogan, and N. E. Kassim
DOI: http://dx.doi.org/10.1051/0004-6361:20077062
Abstract | Full HTML | PDF (6.486 MB) | PS (9.614 MB) | References | SIMBAD record | NASA ADS Abstract Service

The chemical composition of the circumstellar envelopes around yellow hypergiant stars     p. 551
G. Quintana-Lacaci, V. Bujarrabal, A. Castro-Carrizo, and J. Alcolea
DOI: http://dx.doi.org/10.1051/0004-6361:20077244
Abstract | Full HTML | PDF (503.2 KB) | PS (377.6 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

CO and CS in the Magellanic Clouds: a χ2-analysis of multitransitional data based on the MEP radiative transfer model     p. 561
S. Nikolić, G. Garay, M. Rubio, and L. E. B. Johansson
DOI: http://dx.doi.org/10.1051/0004-6361:20067034
Abstract | Full HTML | PDF (386.7 KB) | PS (249.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

A new young stellar cluster embedded in a molecular cloud in the far outer Galaxy     p. 573
J. L. Yun, A. López-Sepulcre, and J. M. Torrelles
DOI: http://dx.doi.org/10.1051/0004-6361:20077570
Abstract | Full HTML | PDF (429.2 KB) | PS (2.667 MB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Super stellar clusters with a bimodal hydrodynamic solution: an approximate analytic approach     p. 579
R. Wünsch, S. Silich, J. Palouš, and G. Tenorio-Tagle
DOI: http://dx.doi.org/10.1051/0004-6361:20077282
Abstract | Full HTML | PDF (188.6 KB) | PS (59.08 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
The connection between gamma-ray bursts and supernovae Ib/c     p. 585
E. Bissaldi, F. Calura, F. Matteucci, F. Longo, and G. Barbiellini
DOI: http://dx.doi.org/10.1051/0004-6361:20066750
Abstract | Full HTML | PDF (632.5 KB) | PS (461.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

The plasma emission model of RX J1856.5-3754     p. 599
N. Chkheidze and G. Machabeli
DOI: http://dx.doi.org/10.1051/0004-6361:20077152
Abstract | Full HTML | PDF (114.2 KB) | PS (136.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

The binary properties of the pulsating subdwarf B eclipsing binary PG 1336-018 (NY Virginis)     p. 605
M. Vučković, C. Aerts, R. Østensen, G. Nelemans, H. Hu, C. S. Jeffery, V. S. Dhillon, and T. R. Marsh
DOI: http://dx.doi.org/10.1051/0004-6361:20077179
Abstract | Full HTML | PDF (7.636 MB) | PS (3.819 MB) | References | SIMBAD record | NASA ADS Abstract Service

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Infrared integral field spectroscopy of SN 1987A     p. 617
K. Kjær, B. Leibundgut, C. Fransson, P. Gröningsson, J. Spyromilio, and M. Kissler-Patig
DOI: http://dx.doi.org/10.1051/0004-6361:20077561
Abstract | Full HTML | PDF (566.7 KB) | PS (311.4 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The VLT-FLAMES survey of massive stars: evolution of surface N abundances and effective temperature scales in the Galaxy and Magellanic Clouds     p. 625
C. Trundle, P. L. Dufton, I. Hunter, C. J. Evans, D. J. Lennon, S. J. Smartt, and R. S. I. Ryans
DOI: http://dx.doi.org/10.1051/0004-6361:20077838
Abstract | Full HTML | PDF (659.9 KB) | PS (236.8 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

X-ray flares in Orion low-mass stars     p. 645
M. Caramazza, E. Flaccomio, G. Micela, F. Reale, S. J. Wolk, and E. D. Feigelson
DOI: http://dx.doi.org/10.1051/0004-6361:20077195
Abstract | Full HTML | PDF (594.6 KB) | PS (327.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

The very nearby M/T dwarf binary SCR 1845-6357     p. 655
M. Kasper, B. A. Biller, A. Burrows, W. Brandner, J. Budaj, and L. M. Close
DOI: http://dx.doi.org/10.1051/0004-6361:20077881
Abstract | Full HTML | PDF (285.0 KB) | PS (239.6 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
High-resolution spectroscopy for Cepheids distance determination - II. A period-projection factor relation     p. 661
N. Nardetto, D. Mourard, Ph. Mathias, A. Fokin, and D. Gillet
DOI: http://dx.doi.org/10.1051/0004-6361:20066853
Abstract | Full HTML | PDF (402.5 KB) | PS (1.529 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Influence of chemi-ionization and chemi-recombination processes on hydrogen line shapes in M dwarfs     p. 671
A. A. Mihajlov, D. Jevremović, P. Hauschildt, M. S. Dimitrijević, Lj. M. Ignjatović, and F. Alard
DOI: http://dx.doi.org/10.1051/0004-6361:20077517
Abstract | Full HTML | PDF (227.6 KB) | PS (109.9 KB) | References | NASA ADS Abstract Service

Search for pulsation among suspected A-type binaries and the new multiperiodic δ Scuti star HD 217860     p. 675
Y. Frémat et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065574
Abstract | Full HTML | PDF (901.1 KB) | PS (530.1 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  The Sun
Tracking granules on the Sun's surface and reconstructing velocity fields - I. The CST algorithm     p. 687
M. Rieutord, T. Roudier, S. Roques, and C. Ducottet
DOI: http://dx.doi.org/10.1051/0004-6361:20066491
Abstract | Full HTML | PDF (1019 KB) | PS (585.1 KB) | References | NASA ADS Abstract Service

Tracking granules on the Sun's surface and reconstructing velocity fields - II. Error analysis     p. 695
R. Tkaczuk, M. Rieutord, N. Meunier, and T. Roudier
DOI: http://dx.doi.org/10.1051/0004-6361:20066492
Abstract | Full HTML | PDF (4.251 MB) | PS (2.045 MB) | References | NASA ADS Abstract Service

Correlation and asymmetry between solar flare hard X-ray footpoints: a statistical study     p. 705
M. Jin and M. D. Ding
DOI: http://dx.doi.org/10.1051/0004-6361:20077202
Abstract | Full HTML | PDF (254.0 KB) | PS (456.7 KB) | References | NASA ADS Abstract Service

Long-term behavior of active longitudes for solar X-ray flares     p. 711
L. Y. Zhang, H. N. Wang, Z. L. Du, Y. M. Cui, and H. He
DOI: http://dx.doi.org/10.1051/0004-6361:20077311
Abstract | Full HTML | PDF (240.8 KB) | PS (97.55 KB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
Thermal forces on planetary ring particles: application to the main system of Saturn     p. 717
D. Vokrouhlický, D. Nesvorný, L. Dones, and W. F. Bottke
DOI: http://dx.doi.org/10.1051/0004-6361:20067029
Abstract | Full HTML | PDF (667.4 KB) | PS (363.3 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service