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Astronomy & Astrophysics

Vol. 430, No. 2 (February I 2005)

12CO map of the Orion-Monoceros molecular clouds (Wilson, B. A., et al., p. 525)
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-  Letters
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The Wide Field Imager Lyman-Alpha Search (WFILAS) for galaxies at redshift ~5.7 - I. A spatially compact Lyα emitting galaxy at redshift 5.721    p. L21
E. Westra, D. Heath Jones, C. E. Lidman, R. M. Athreya, K. Meisenheimer, C. Wolf, T. Szeifert, E. Pompei and L. Vanzi
DOI: http://dx.doi.org/10.1051/0004-6361:200400126
Abstract Full HTML PDF (904 KB) PS (2.34 MB) References SIMBAD record NASA ADS Abstract Service

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Discovery of two M 32 twins in Abell 1689    p. L25
S. Mieske, L. Infante, M. Hilker, G. Hertling, J. P. Blakeslee, N. Benítez, H. Ford and K. Zekser
DOI: http://dx.doi.org/10.1051/0004-6361:200400119
Abstract Full HTML PDF (555 KB) PS (742 KB) References SIMBAD record NASA ADS Abstract Service

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The effect of metastable level populations on the ionization fraction of Li-like ions    p. L29
J. G. Doyle, H. P. Summers and P. Bryans
DOI: http://dx.doi.org/10.1051/0004-6361:200400125
Abstract Full HTML PDF (205 KB) PS (262 KB) References NASA ADS Abstract Service

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X-ray tomography of a cometary bow shock    p. L33
R. Wegmann and K. Dennerl
DOI: http://dx.doi.org/10.1051/0004-6361:200400124
Abstract Full HTML PDF (360 KB) PS (425 KB) References NASA ADS Abstract Service

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A dual origin for Neptune's carbon monoxide?    p. L37
E. Lellouch, R. Moreno and G. Paubert
DOI: http://dx.doi.org/10.1051/0004-6361:200400127
Abstract Full HTML PDF (402 KB) PS (1.14 MB) References NASA ADS Abstract Service

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The ionization structure of early-B supergiant winds    p. L41
R. K. Prinja, D. Massa and S. C. Searle
DOI: http://dx.doi.org/10.1051/0004-6361:200400129
Abstract Full HTML PDF (301 KB) PS (284 KB) References SIMBAD record NASA ADS Abstract Service

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XMM-Newton detection of type I X-ray bursts in M 31    p. L45
W. Pietsch and F. Haberl
DOI: http://dx.doi.org/10.1051/0004-6361:200400128
Abstract Full HTML PDF (240 KB) PS (665 KB) References SIMBAD record NASA ADS Abstract Service



-  Cosmology (including clusters of galaxies)
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An XMM-Newton observation of A3921: An off-axis merger    p. 385
E. Belsole, J.-L. Sauvageot, G. W. Pratt and H. Bourdin
DOI: http://dx.doi.org/10.1051/0004-6361:20041275
Abstract Full HTML PDF (1.01 MB) PS (1.09 MB) References Online Material SIMBAD record NASA ADS Abstract Service

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Geometrical constraints on dark energy    p. 399
A. K. D. Evans, I. K. Wehus, Ø. Grøn and Ø. Elgarøy
DOI: http://dx.doi.org/10.1051/0004-6361:20041590
Abstract Full HTML PDF (453 KB) PS (192 KB) References NASA ADS Abstract Service



-  Extragalactic astronomy
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The structure of elliptical galaxies in the Virgo cluster. Results from the INT Wide Field Survey    p. 411
G. Gavazzi, A. Donati, O. Cucciati, S. Sabatini, A. Boselli, J. Davies and S. Zibetti
DOI: http://dx.doi.org/10.1051/0004-6361:20034571
Abstract Full HTML PDF (3.28 MB) PS (1.41 MB) References Online Material SIMBAD record NASA ADS Abstract Service

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Reddening map of the Large Magellanic Cloud bar region    p. 421
A. Subramaniam
DOI: http://dx.doi.org/10.1051/0004-6361:20041279
Abstract Full HTML PDF (574 KB) PS (308 KB) References SIMBAD record NASA ADS Abstract Service

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A submillimeter exponential disk in M 51: Evidence for an extended cold dust disk    p. 427
R. Meijerink, R. P. J. Tilanus, C. P. Dullemond, F. P. Israel and P. P. van der Werf
DOI: http://dx.doi.org/10.1051/0004-6361:20040469
Abstract Full HTML PDF (345 KB) PS (330 KB) References SIMBAD record NASA ADS Abstract Service

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X-ray to UV variability correlation in MCG–6-30-15    p. 435
P. Arévalo, I. Papadakis, B. Kuhlbrodt and W. Brinkmann
DOI: http://dx.doi.org/10.1051/0004-6361:20041801
Abstract Full HTML PDF (517 KB) PS (249 KB) References SIMBAD record NASA ADS Abstract Service

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The evolution of HCG 31: Optical and high-resolution HI study    p. 443
L. Verdes-Montenegro, A. Del Olmo, M. S. Yun and J. Perea
DOI: http://dx.doi.org/10.1051/0004-6361:20047084
Abstract Full HTML PDF (2.25 MB) PS (16.2 MB) References SIMBAD record NASA ADS Abstract Service

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Decay properties of the X-ray afterglows of gamma-ray bursts    p. 465
B. Gendre and M. Boër
DOI: http://dx.doi.org/10.1051/0004-6361:20042031
Abstract Full HTML PDF (183 KB) PS (66.0 KB) References SIMBAD record NASA ADS Abstract Service



-  Galactic structure, stellar clusters and populations
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Revisiting the area of the open cluster Stock 16    p. 471
R. A. Vázquez, G. L. Baume, C. Feinstein, J. A. Nuñez and M. M. Vergne
DOI: http://dx.doi.org/10.1051/0004-6361:20041089
Abstract Full HTML PDF (1.51 MB) PS (2.47 MB) References SIMBAD record NASA ADS Abstract Service

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Massive star formation in the W49 giant molecular cloud: Implications for the formation of massive star clusters    p. 481
N. L. Homeier and J. Alves
DOI: http://dx.doi.org/10.1051/0004-6361:20040447
Abstract Full HTML PDF (2.37 MB) PS (6.96 MB) References SIMBAD record NASA ADS Abstract Service

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Quantifying the uncertainties of chemical evolution studies - I. Stellar lifetimes and initial mass function    p. 491
D. Romano, C. Chiappini, F. Matteucci and M. Tosi
DOI: http://dx.doi.org/10.1051/0004-6361:20048222
Abstract Full HTML PDF (604 KB) PS (209 KB) References NASA ADS Abstract Service

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Mg abundances in metal-poor halo stars as a tracer of early Galactic mixing    p. 507
E. Arnone, S. G. Ryan, D. Argast, J. E. Norris and T. C. Beers
DOI: http://dx.doi.org/10.1051/0004-6361:20041034
Abstract Full HTML PDF (316 KB) PS (103 KB) References Online Material SIMBAD record NASA ADS Abstract Service



-  Interstellar and circumstellar matter
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A uniform CO survey of the molecular clouds in Orion and Monoceros    p. 523
B. A. Wilson, T. M. Dame, M. R. W. Masheder and P. Thaddeus
DOI: http://dx.doi.org/10.1051/0004-6361:20035943
Abstract Full HTML PDF (2.30 MB) PS (1.63 MB) References SIMBAD record NASA ADS Abstract Service

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The ionizing star of the North America and Pelican nebulae    p. 541
F. Comerón and A. Pasquali
DOI: http://dx.doi.org/10.1051/0004-6361:20041788
Abstract Full HTML PDF (746 KB) PS (793 KB) References Online Material SIMBAD record NASA ADS Abstract Service

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The interstellar C18O/C17O ratio in the solar neighbourhood: The ρ Ophiuchus cloud    p. 549
J. G. A. Wouterloot, J. Brand and C. Henkel
DOI: http://dx.doi.org/10.1051/0004-6361:20040437
Abstract Full HTML PDF (671 KB) PS (478 KB) References SIMBAD record NASA ADS Abstract Service

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An alternate estimate of the mass of dust in Cassiopeia A    p. 561
T. L. Wilson and W. Batrla
DOI: http://dx.doi.org/10.1051/0004-6361:20041220
Abstract Full HTML PDF (562 KB) PS (1.05 MB) References SIMBAD record NASA ADS Abstract Service

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Cosmic ray moderation of the thermal instability    p. 567
A. Y. Wagner, S. A. E. G. Falle, T. W. Hartquist and J. M. Pittard
DOI: http://dx.doi.org/10.1051/0004-6361:20042138
Abstract Full HTML PDF (99.1 KB) PS (26.6 KB) References NASA ADS Abstract Service



-  Stellar structure and evolution
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Seismic constraints on open clusters    p. 571
L. Piau, J. Ballot and S. Turck-Chièze
DOI: http://dx.doi.org/10.1051/0004-6361:20041405
Abstract Full HTML PDF (389 KB) PS (163 KB) References SIMBAD record NASA ADS Abstract Service

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Type Ia Supernova models arising from different distributions of igniting points    p. 585
D. García-Senz and E. Bravo
DOI: http://dx.doi.org/10.1051/0004-6361:20041628
Abstract Full HTML PDF (1.35 MB) PS (1.44 MB) References Online Material SIMBAD record NASA ADS Abstract Service

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Variable stars in the bar of the Large Magellanic Cloud: The photometric catalogue    p. 603
L. Di Fabrizio, G. Clementini, M. Maio, A. Bragaglia, E. Carretta, R. Gratton, P. Montegriffo and M. Zoccali
DOI: http://dx.doi.org/10.1051/0004-6361:20041659
Abstract Full HTML PDF (2.47 MB) PS (3.44 MB) References Online Material SIMBAD record NASA ADS Abstract Service

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HS 2331+3905: The cataclysmic variable that has it all    p. 629
S. Araujo-Betancor, B. T. Gänsicke, H.-J. Hagen, T. R. Marsh, E. T. Harlaftis, J. Thorstensen, R. E. Fried, P. Schmeer and D. Engels
DOI: http://dx.doi.org/10.1051/0004-6361:20041736
Abstract Full HTML PDF (1.93 MB) PS (1.21 MB) References SIMBAD record NASA ADS Abstract Service



-  Stellar atmospheres
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Model atmospheres and X-ray spectra of bursting neutron stars - II. Iron rich comptonized spectra    p. 643
A. Majczyna, J. Madej, P. C. Joss and A. Różańska
DOI: http://dx.doi.org/10.1051/0004-6361:20034048
Abstract Full HTML PDF (356 KB) PS (131 KB) References SIMBAD record NASA ADS Abstract Service

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First stars VI – Abundances of C, N, O, Li, and mixing in extremely metal-poor giants. Galactic evolution of the light elements    p. 655
M. Spite, R. Cayrel, B. Plez, V. Hill, F. Spite, E. Depagne, P. François, P. Bonifacio, B. Barbuy, T. Beers, et al. (4 more)
DOI: http://dx.doi.org/10.1051/0004-6361:20041274
Abstract Full HTML PDF (447 KB) PS (137 KB) References SIMBAD record NASA ADS Abstract Service

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The Ca II Infrared Triplet as a stellar activity diagnostic - I. Non-LTE photospheric profiles and definition of the RIRT indicator    p. 669
V. Andretta, I. Busà, M. T. Gomez and L. Terranegra
DOI: http://dx.doi.org/10.1051/0004-6361:20041745
Abstract Full HTML PDF (372 KB) PS (141 KB) References SIMBAD record NASA ADS Abstract Service



-  The Sun
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Non-LTE diagnostics of velocity fields during the gradual phase of a solar flare    p. 679
A. Berlicki, P. Heinzel, B. Schmieder, P. Mein and N. Mein
DOI: http://dx.doi.org/10.1051/0004-6361:20041293
Abstract Full HTML PDF (970 KB) PS (2.42 MB) References NASA ADS Abstract Service

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Radiative properties of magnetic elements - II. Center to limb variation of the appearance of photospheric faculae    p. 691
O. Steiner
DOI: http://dx.doi.org/10.1051/0004-6361:20041286
Abstract Full HTML PDF (522 KB) PS (405 KB) References NASA ADS Abstract Service

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Streamers and adjacent regions observed by UVCS/SOHO: A comparison between different phases of solar activity    p. 701
R. Ventura, D. Spadaro, G. Cimino and M. Romoli
DOI: http://dx.doi.org/10.1051/0004-6361:20041770
Abstract Full HTML PDF (701 KB) PS (1.59 MB) References NASA ADS Abstract Service



-  Celestial mechanics and astrometry
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Three-dimensional periodic motion in the vicinity of the equilibrium points of an asteroid    p. 713
O. Vasilkova
DOI: http://dx.doi.org/10.1051/0004-6361:20034414
Abstract Full HTML PDF (547 KB) PS (657 KB) References NASA ADS Abstract Service


-  Atomic, molecular and nuclear data
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Effective collision strengths for fine-structure transitions for the electron impact excitation of N II    p. 725
C. E. Hudson and K. L. Bell
DOI: http://dx.doi.org/10.1051/0004-6361:20041969
Abstract Full HTML PDF (142 KB) PS (42.4 KB) References NASA ADS Abstract Service


-  Instruments, observational techniques, and data processing
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Restoration of interferometric images - III. Efficient Richardson-Lucy methods for LINC-NIRVANA data reduction    p. 731
B. Anconelli, M. Bertero, P. Boccacci, M. Carbillet and H. Lanteri
DOI: http://dx.doi.org/10.1051/0004-6361:20041493
Abstract Full HTML PDF (381 KB) PS (389 KB) References SIMBAD record NASA ADS Abstract Service

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An analysis of temperatures and wind speeds above Dome C, Antarctica    p. 739
E. Aristidi, K. Agabi, M. Azouit, E. Fossat, J. Vernin, T. Travouillon, J. S. Lawrence, C. Meyer, J. W. V. Storey, B. Halter, et al. (2 more)
DOI: http://dx.doi.org/10.1051/0004-6361:20041876
Abstract Full HTML PDF (554 KB) PS (1.08 MB) References NASA ADS Abstract Service

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On the purity of Be II measurements    p. 747
R. E. Griffin
DOI: http://dx.doi.org/10.1051/0004-6361:20042069
Abstract Full HTML PDF (300 KB) PS (83.5 KB) References NASA ADS Abstract Service



-  On-line catalogs and data
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A catalog of LEDA galaxies with DENIS measurements    p. 751
G. Paturel, I. Vauglin, C. Petit, J. Borsenberger, N. Epchtein, P. Fouqué and G. Mamon
DOI: http://dx.doi.org/10.1051/0004-6361:20041162
Abstract Full HTML PDF (846 KB) PS (528 KB) References NASA ADS Abstract Service