Astronomy and Astrophysics
	Vol. 445 No. 1 (January I 2006)
Cover illustration: Contours of 7.7µ PAH emission over a DSS image of NGC 5907 (Irwin, J. A., & Madden, S. C., p. 133)

Letters


• A rapid and dramatic outburst in Blazar 3C 454.3 during May 2005 - Optical and infrared observations with REM and AIT     p. L1
  L. Fuhrmann, A. Cucchiara, N. Marchili, G. Tosti, G. Nucciarelli, S. Ciprini, E. Molinari, G. Chincarini, F. M. Zerbi, S. Covino, E. Pian, E. Meurs, V. Testa, F. Vitali, L. A. Antonelli, P. Conconi, G. Cutispoto, G. Malaspina, L. Nicastro, E. Palazzi and P. Ward
  Abstract | Full HTML | PDF file (138 KB) | PS file (262 KB) | References




• A prominent relativistic iron line in the Seyfert 1 MCG-02-14-009     p. L5
  D. Porquet
  Abstract | Full HTML | PDF file (167 KB) | PS file (261 KB) | References




• On the complex X-ray structure tracing the motion of Geminga     p. L9
  A. De Luca, P. A. Caraveo, F. Mattana, A. Pellizzoni and G. F. Bignami
  Abstract | Full HTML | PDF file (560 KB) | PS file (2.18 MB) | References




• Probable nonradial g-mode pulsation in early A-type stars     p. L15
  E. Antonello, L. Mantegazza, M. Rainer and A. Miglio
  Abstract | Full HTML | PDF file (149 KB) | PS file (237 KB) | References




• A counter-rotating core in the dwarf elliptical galaxy VCC 510     p. L19
  D. Thomas, F. Brimioulle, R. Bender, U. Hopp, L. Greggio, C. Maraston and R. P. Saglia
  Abstract | Full HTML | PDF file (115 KB) | PS file (237 KB) | References



Cosmology (including clusters of galaxies)
• The history of the baryon budget - Cosmic logistics in a hierarchical universe     p. 1
  Y. Rasera and R. Teyssier
  Abstract | Full HTML | PDF file (1.16 MB) | PS file (662 KB) | References | Online Material



• RASS-SDSS Galaxy cluster survey - IV. A ubiquitous dwarf galaxy population in clusters     p. 29
  P. Popesso, A. Biviano, H. Böhringer and M. Romaniello
  Abstract | Full HTML | PDF file (710 KB) | PS file (207 KB) | References



• Probing dark matter caustics with weak lensing     p. 43
  R. Gavazzi, R. Mohayaee and B. Fort
  Abstract | Full HTML | PDF file (315 KB) | PS file (159 KB) | References



• The faint-end of the galaxy luminosity function in groups     p. 51
  R. E. González, M. Lares, D. G. Lambas and C. Valotto
  Abstract | Full HTML | PDF file (225 KB) | PS file (81.5 KB) | References



Extragalactic astronomy
• Evidence for orbital motion of material close to the central black hole of Mrk 766     p. 59
  T. J. Turner, L. Miller, I. M. George and J. N. Reeves
  Abstract | Full HTML | PDF file (456 KB) | PS file (731 KB) | References



• Near-IR photometry of asymptotic giant branch stars in the dwarf elliptical galaxy NGC 147     p. 69
  Y.-J. Sohn, A. Kang, J. Rhee, M. Shin, M.-S. Chun and Ho-Il Kim
  Abstract | Full HTML | PDF file (915 KB) | PS file (712 KB) | References



• Nearby early-type galaxies with ionized gas - II. Line-strength indices for 18 additional galaxies     p. 79
  F. Annibali, A. Bressan, R. Rampazzo and W. W. Zeilinger
  Abstract | Full HTML | PDF file (642 KB) | PS file (422 KB) | References | Online Material



• A new comprehensive set of elemental abundances in DLAs - II. Data analysis and chemical variation studies     p. 93
  M. Dessauges-Zavadsky, J. X. Prochaska, S. D'Odorico, F. Calura and F. Matteucci
  Abstract | Full HTML | PDF file (459 KB) | PS file (1.92 MB) | References | Online Material



• MAMBO 1.25 mm observations of 3CR quasars at z ~ 1.5: on the debate of the unified schemes     p. 115
  M. Haas, R. Chini, S. A. H. Müller, F. Bertoldi and M. Albrecht
  Abstract | Full HTML | PDF file (201 KB) | PS file (78.6 KB) | References



• Discovery of PAHs in the halo of NGC 5907     p. 123
  J. A. Irwin and S. C. Madden
  Abstract | Full HTML | PDF file (3.24 MB) | PS file (7.94 MB) | References



Galactic structure, stellar clusters, and populations
• S Ori J053825.4-024241: a classical T Tauri-like object at the substellar boundary     p. 143
  J. A. Caballero, E. L. Martín, M. R. Zapatero Osorio, V. J. S. Béjar, R. Rebolo, Ya. Pavlenko and R. Wainscoat
  Abstract | Full HTML | PDF file (545 KB) | PS file (400 KB) | References | Online Material



• XMM-Newton X-ray and optical observations of the globular clusters M 55 and NGC 3201     p. 155
  N. A. Webb, P. J. Wheatley and D. Barret
  Abstract | Full HTML | PDF file (243 KB) | PS file (129 KB) | References



Interstellar and circumstellar matter
• Dust extinction and absorption: the challenge of porous grains     p. 167
  N. V. Voshchinnikov, V. B. Il'in, Th. Henning and D. N. Dubkova
  Abstract | Full HTML | PDF file (729 KB) | PS file (559 KB) | References



• Spectral changes during dipping in low-mass X-ray binaries due to highly-ionized absorbers     p. 179
  M. Díaz Trigo, A. N. Parmar, L. Boirin, M. Méndez and J. S. Kaastra
  Abstract | Full HTML | PDF file (662 KB) | PS file (541 KB) | References



• Astrochemistry of dimethyl ether     p. 197
  Z. Peeters, S. D. Rodgers, S. B. Charnley, L. Schriver-Mazzuoli, A. Schriver, J. V. Keane and P. Ehrenfreund
  Abstract | Full HTML | PDF file (182 KB) | PS file (197 KB) | References



• On the ionisation fraction in protoplanetary disks - I. Comparing different reaction networks     p. 205
  M. Ilgner and R. P. Nelson
  Abstract | Full HTML | PDF file (547 KB) | PS file (316 KB) | References | Online Material



• On the ionisation fraction in protoplanetary disks - II. The effect of turbulent mixing on gas-phase chemistry     p. 223
  M. Ilgner and R. P. Nelson
  Abstract | Full HTML | PDF file (228 KB) | PS file (123 KB) | References



Stellar structure and evolution
• Influence of local treatments of convection upon solar p mode excitation rates     p. 233
  R. Samadi, F. Kupka, M. J. Goupil, Y. Lebreton and C. van't Veer-Menneret
  Abstract | Full HTML | PDF file (247 KB) | PS file (120 KB) | References



• The subpulse modulation properties of pulsars at 21 cm     p. 243
  P. Weltevrede, R. T. Edwards and B. W. Stappers
  Abstract | Full HTML | PDF file (5.60 MB) | PS file (3.84 MB) | References | Online Material



• Exploring the relativistic regime with Newtonian hydrodynamics: an improved effective gravitational potential for supernova simulations     p. 273
  A. Marek, H. Dimmelmeier, H.-Th. Janka, E. Müller and R. Buras
  Abstract | Full HTML | PDF file (501 KB) | PS file (360 KB) | References | Online Material



• Gravity-darkening exponents in semi-detached binary systems from their photometric observations. II.     p. 291
  G. Djurasevic, H. Rovithis-Livaniou, P. Rovithis, N. Georgiades, S. Erkapic and R. Pavlovic
  Abstract | Full HTML | PDF file (740 KB) | PS file (1.05 MB) | References



• High-energy emission of fast rotating white dwarfs     p. 305
  N. R. Ikhsanov and P. L. Biermann
  Abstract | Full HTML | PDF file (133 KB) | PS file (60.9 KB) | References



• Two years of INTEGRAL monitoring of the soft gamma-ray repeater SGR 1806-20: from quiescence to frenzy     p. 313
  D. Götz, S. Mereghetti, S. Molkov, K. Hurley, I. F. Mirabel, R. Sunyaev, G. Weidenspointner, S. Brandt, M. Del Santo, M. Feroci, E. Gögüs, A. von Kienlin, M. van der Klis, C. Kouveliotou, N. Lund, G. Pizzichini, P. Ubertini, C. Winkler and P. M. Woods
  Abstract | Full HTML | PDF file (328 KB) | PS file (121 KB) | References



• The veiling spectrum of DI Cephei and its relationship to emission line profiles     p. 323
  J. F. Gameiro, D. F. M. Folha and P. P. Petrov
  Abstract | Full HTML | PDF file (645 KB) | PS file (236 KB) | References



• VLT/NACO adaptive optics imaging of the Herbig Ae star HD 100453     p. 331
  X. P. Chen, T. Henning, R. van Boekel and C. A. Grady
  Abstract | Full HTML | PDF file (121 KB) | PS file (229 KB) | References



The Sun
• The flux-gap between bright and dark solar magnetic structures     p. 337
  K. G. Puschmann and E. Wiehr
  Abstract | Full HTML | PDF file (154 KB) | PS file (408 KB) | References



Planets and planetary systems
• A posteriori detection of the planetary transit of HD 189733 b in the Hipparcos photometry     p. 341
  G. Hébrard and A. Lecavelier des Etangs
  Abstract | Full HTML | PDF file (217 KB) | PS file (88.1 KB) | References



Celestial mechanics and astrometry
• Earth rotation based on the celestial coordinates of the celestial intermediate pole - I. The dynamical equations     p. 347
  N. Capitaine, M. Folgueira and J. Souchay
  Abstract | Full HTML | PDF file (217 KB) | PS file (135 KB) | References



Atomic, molecular, and nuclear data
• Theoretical calculations of excited rovibrational levels of HD. Term values and transition probabilities of VUV electronic bands     p. 361
  H. Abgrall and E. Roueff
  Abstract | Full HTML | PDF file (174 KB) | PS file (77.4 KB) | References



Instruments, observational techniques, and data processing
• A simulation pipeline for the Planck mission     p. 373
  M. Reinecke, K. Dolag, R. Hell, M. Bartelmann and T. A. Enßlin
  Abstract | Full HTML | PDF file (176 KB) | PS file (76.5 KB) | References | Online Material

© ESO 2005