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	Astronomy and Astrophysics
	Vol. 430 No. 2 (February I 2005)
Cover illustration: 12CO map of the Orion-Monoceros molecular clouds (Wilson, B. A., et al., p. 525)

Letters
• The Wide Field Imager Lyman-Alpha Search (WFILAS) for galaxies at redshift ~5.7 - I. A spatially compact Ly 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
  Abstract | Full HTML | PDF file (904 KB) | PS file (2.34 MB) | References



• 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
  Abstract | Full HTML | PDF file (555 KB) | PS file (742 KB) | References



• 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
  Abstract | Full HTML | PDF file (205 KB) | PS file (262 KB) | References



• X-ray tomography of a cometary bow shock     p. L33
  R. Wegmann and K. Dennerl
  Abstract | Full HTML | PDF file (360 KB) | PS file (425 KB) | References



• A dual origin for Neptune's carbon monoxide?     p. L37
  E. Lellouch, R. Moreno and G. Paubert
  Abstract | Full HTML | PDF file (402 KB) | PS file (1.14 MB) | References



• The ionization structure of early-B supergiant winds     p. L41
  R. K. Prinja, D. Massa and S. C. Searle
  Abstract | Full HTML | PDF file (301 KB) | PS file (284 KB) | References



• XMM-Newton detection of type I X-ray bursts in M 31     p. L45
  W. Pietsch and F. Haberl
  Abstract | Full HTML | PDF file (240 KB) | PS file (665 KB) | References



Cosmology (including clusters of galaxies)
• An XMM-Newton observation of A3921: An off-axis merger     p. 385
  E. Belsole, J.-L. Sauvageot, G. W. Pratt and H. Bourdin
  Abstract | Full HTML | PDF file (1.01 MB) | PS file (1.09 MB) | References | Online Material



• Geometrical constraints on dark energy     p. 399
  A. K. D. Evans , I. K. Wehus , Ø. Grøn  and Ø. Elgarøy 
  Abstract | Full HTML | PDF file (453 KB) | PS file (192 KB) | References



Extragalactic astronomy
• 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
  Abstract | Full HTML | PDF file (3.40 MB) | PS file (1.41 MB) | References | Online Material



• Reddening map of the Large Magellanic Cloud bar region     p. 421
  A. Subramaniam
  Abstract | Full HTML | PDF file (574 KB) | PS file (308 KB) | References



• 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
  Abstract | Full HTML | PDF file (345 KB) | PS file (330 KB) | References



• X-ray to UV variability correlation in MCG-6-30-15     p. 435
  P. Arévalo, I. Papadakis, B. Kuhlbrodt and W. Brinkmann
  Abstract | Full HTML | PDF file (517 KB) | PS file (249 KB) | References



• 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
  Abstract | Full HTML | PDF file (2.25 MB) | PS file (16.2 MB) | References



• Decay properties of the X-ray afterglows of gamma-ray bursts     p. 465
  B. Gendre and M. Boër
  Abstract | Full HTML | PDF file (183 KB) | PS file (66.0 KB) | References



Galactic structure, stellar clusters and populations
• 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
  Abstract | Full HTML | PDF file (1.51 MB) | PS file (2.47 MB) | References



• 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
  Abstract | Full HTML | PDF file (2.37 MB) | PS file (6.96 MB) | References



• 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
  Abstract | Full HTML | PDF file (604 KB) | PS file (209 KB) | References



• 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
  Abstract | Full HTML | PDF file (316 KB) | PS file (103 KB) | References | Online Material



Interstellar and circumstellar matter
• 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
  Abstract | Full HTML | PDF file (3.18 MB) | PS file (10.2 MB) | References



• The ionizing star of the North America and Pelican nebulae     p. 541
  F. Comerón and A. Pasquali
  Abstract | Full HTML | PDF file (746 KB) | PS file (793 KB) | References | Online Material



• The interstellar C O/C O ratio in the solar neighbourhood: The  Ophiuchus cloud     p. 549
  J. G. A. Wouterloot, J. Brand and C. Henkel
  Abstract | Full HTML | PDF file (671 KB) | PS file (478 KB) | References



• An alternate estimate of the mass of dust in Cassiopeia A     p. 561
  T. L. Wilson and W. Batrla
  Abstract | Full HTML | PDF file (562 KB) | PS file (1.05 MB) | References



• Cosmic ray moderation of the thermal instability     p. 567
  A. Y. Wagner, S. A. E. G. Falle, T. W. Hartquist and J. M. Pittard
  Abstract | Full HTML | PDF file (99.1 KB) | PS file (26.6 KB) | References



Stellar structure and evolution
• Seismic constraints on open clusters     p. 571
  L. Piau, J. Ballot and S. Turck-Chièze
  Abstract | Full HTML | PDF file (389 KB) | PS file (163 KB) | References



• Type Ia Supernova models arising from different distributions of igniting points     p. 585
  D. García-Senz and E. Bravo
  Abstract | Full HTML | PDF file (1.35 MB) | PS file (1.44 MB) | References | Online Material



• 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
  Abstract | Full HTML | PDF file (6.35 MB) | PS file (3.44 MB) | References | Online Material



• 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
  Abstract | Full HTML | PDF file (1.93 MB) | PS file (1.21 MB) | References



Stellar atmospheres
• 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. Rózanska
  Abstract | Full HTML | PDF file (356 KB) | PS file (131 KB) | References



• 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, J. Andersen, P. Molaro, B. Nordström and F. Primas
  Abstract | Full HTML | PDF file (447 KB) | PS file (137 KB) | References



• The Ca II Infrared Triplet as a stellar activity diagnostic - I. Non-LTE photospheric profiles and definition of the R indicator     p. 669
  V. Andretta, I. Busà, M. T. Gomez and L. Terranegra
  Abstract | Full HTML | PDF file (372 KB) | PS file (141 KB) | References



The Sun
• 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
  Abstract | Full HTML | PDF file (970 KB) | PS file (2.42 MB) | References



• Radiative properties of magnetic elements - II. Center to limb variation of the appearance of photospheric faculae     p. 691
  O. Steiner
  Abstract | Full HTML | PDF file (522 KB) | PS file (405 KB) | References



• 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
  Abstract | Full HTML | PDF file (701 KB) | PS file (1.59 MB) | References



Celestial mechanics and astrometry
• Three-dimensional periodic motion in the vicinity of the equilibrium points of an asteroid     p. 713
  O. Vasilkova
  Abstract | Full HTML | PDF file (547 KB) | PS file (657 KB) | References



Atomic, molecular and nuclear data
• Effective collision strengths for fine-structure transitions for the electron impact excitation of N II     p. 725
  C. E. Hudson and K. L. Bell
  Abstract | Full HTML | PDF file (142 KB) | PS file (42.4 KB) | References



Instruments, observational techniques, and data processing
• 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
  Abstract | Full HTML | PDF file (381 KB) | PS file (389 KB) | References



• 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, W. L. Roth and V. Walden
  Abstract | Full HTML | PDF file (554 KB) | PS file (1.08 MB) | References


Research Note

• On the purity of Be II measurements     p. 747
  R. E. Griffin
  Abstract | Full HTML | PDF file (300 KB) | PS file (83.5 KB) | References



On-line catalogs and data
• 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
  Abstract | Full HTML | PDF file (4.32 MB) | PS file (528 KB) | References

© ESO 2005