Astronomy and Astrophysics
	Vol. 461 No. 1 (January I 2007)
Cover illustration: The distribution of molecular and atomic gas in M 51 (K. F. Schuster, et al., p. 145)

Letters


• Solar atmospheric oscillations and the chromospheric magnetic topology     p. L1
  A. Vecchio, G. Cauzzi, K. P. Reardon, K. Janssen, and T. Rimmele
  Abstract | Full HTML | PDF file (1.07 MB) | PS file (1.10 MB) | References




• Evidence for bipolar jets from the optical spectra of the prototypical symbiotic star Z Andromedae     p. L5
  M. Burmeister and L. Leedjärv
  Abstract | Full HTML | PDF file (110 KB) | PS file (67.8 KB) | References




• A Wolf-Rayet/black-hole X-ray binary candidate in NGC 300     p. L9
  S. Carpano, A. M. T. Pollock, J. Wilms, M. Ehle, and M. Schirmer
  Abstract | Full HTML | PDF file (148 KB) | PS file (85.0 KB) | References




• The extra-mixing efficiency in very low metallicity RGB stars     p. L13
  A. Recio-Blanco and P. de Laverny
  Abstract | Full HTML | PDF file (96.9 KB) | PS file (42.5 KB) | References



Astrophysical processes
• Polarization properties of resonance scattering in molecular bands - The intermediate (a-b) coupling regime     p. 1
  E. Landi Degl'Innocenti
  Abstract | Full HTML | PDF file (292 KB) | PS file (130 KB) | References | Online Material



• The RMS survey - Radio observations of candidate massive YSOs in the southern hemisphere     p. 11
  J. S. Urquhart, A. L. Busfield, M. G. Hoare, S. L. Lumsden, A. J. Clarke, T. J. T. Moore, J. C. Mottram, and R. D. Oudmaijer
  Abstract | Full HTML | PDF file (444 KB) | PS file (178 KB) | References | Online Material



Cosmology (including clusters of galaxies)
• Arc sensitivity to cluster ellipticity, asymmetries, and substructures     p. 25
  M. Meneghetti, R. Argazzi, F. Pace, L. Moscardini, K. Dolag, M. Bartelmann, G. Li, and M. Oguri
  Abstract | Full HTML | PDF file (1.44 MB) | PS file (2.66 MB) | References



• The luminosity function of high-redshift quasi-stellar objects. A combined analysis of GOODS and SDSS     p. 39
  F. Fontanot, S. Cristiani, P. Monaco, M. Nonino, E. Vanzella, W. N. Brandt, A. Grazian, and J. Mao
  Abstract | Full HTML | PDF file (1.46 MB) | PS file (771 KB) | References | Online Material



• Effects of early dark energy on strong cluster lensing     p. 49
  C. Fedeli and M. Bartelmann
  Abstract | Full HTML | PDF file (487 KB) | PS file (145 KB) | References



• First tentative detection of anisotropy in the QSO distribution around nearby edge-on spiral galaxies     p. 59
  M. López-Corredoira and C. M. Gutiérrez
  Abstract | Full HTML | PDF file (553 KB) | PS file (1.67 MB) | References



• Temperature profiles of a representative sample of nearby X-ray galaxy clusters     p. 71
  G. W. Pratt, H. Böhringer, J. H. Croston, M. Arnaud, S. Borgani, A. Finoguenov, and R. F. Temple
  Abstract | Full HTML | PDF file (1.00 MB) | PS file (2.09 MB) | References | Online Material



• Galaxy clusters in the CFHTLS - First matched filter candidate catalogue of the Deep fields     p. 81
  L. F. Olsen, C. Benoist, A. Cappi, S. Maurogordato, A. Mazure, E. Slezak, C. Adami, C. Ferrari, and F. Martel
  Abstract | Full HTML | PDF file (1.79 MB) | PS file (4.98 MB) | References



Extragalactic astronomy
• The variable X-ray light curve of GRB 050713A: the case of refreshed shocks     p. 95
  D. Guetta, F. Fiore, V. D'Elia, R. Perna, L. A. Antonelli, S. Piranomonte, S. Puccetti, L. Stella, L. Angelini, N. Schartel, S. Campana, G. Chincarini, S. Covino, G. Tagliaferri, D. Malesani, C. Guidorzi, A. Monfardini, C. G. Mundell, J. de León Cruz, A. J. Castro-Tirado, S. Guzly, J. Gorosabel, M. Jelinek, and A. Gomboc
  Abstract | Full HTML | PDF file (255 KB) | PS file (113 KB) | References



• Properties of dust in early-type galaxies     p. 103
  M. K. Patil, S. K. Pandey, D. K. Sahu, and A. Kembhavi
  Abstract | Full HTML | PDF file (1.71 MB) | PS file (1.20 MB) | References



• Estimation of the detectability of optical orphan afterglows     p. 115
  Y. C. Zou, X. F. Wu, and Z. G. Dai
  Abstract | Full HTML | PDF file (128 KB) | PS file (84.7 KB) | References



• X-ray/ultraviolet observing campaign of the Markarian 279 active galactic nucleus outflow: a close look at the absorbing/emitting gas with Chandra-LETGS     p. 121
  E. Costantini, J. S. Kaastra, N. Arav, G. A. Kriss, K. C. Steenbrugge, J. R. Gabel, F. Verbunt, E. Behar, C. M. Gaskell, K. T. Korista, D. Proga, J. Kim Quijano, J. E. Scott, E. S. Klimek, and C. H. Hedrick
  Abstract | Full HTML | PDF file (404 KB) | PS file (190 KB) | References



• The XMM-Newton RGS spectrum of the high luminosity Seyfert 1 galaxy Markarian 509     p. 135
  R. A. N. Smith, M. J. Page, and G. Branduardi-Raymont
  Abstract | Full HTML | PDF file (381 KB) | PS file (351 KB) | References



• A complete CO 2-1 map of M 51 with HERA - I. Radial averages of CO, H I, and radio continuum     p. 143
  K. F. Schuster, C. Kramer, M. Hitschfeld, S. Garcia-Burillo, and B. Mookerjea
  Abstract | Full HTML | PDF file (620 KB) | PS file (628 KB) | References


Erratum

• Thermal and non-thermal components of the interstellar medium at sub-kiloparsec scales in galaxies     p. 153
  R. Paladino, M. Murgia, T. T. Helfer, T. Wong, R. Ekers, L. Blitz, L. Gregorini, and L. Moscadelli
  Abstract | Full HTML | PDF file (256 KB) | PS file (96.8 KB)



Galactic structure, stellar clusters, and populations
• Is the dark matter halo of the Milky Way flattened?     p. 155
  A. Ruzicka, J. Palous, and C. Theis
  Abstract | Full HTML | PDF file (1.69 MB) | PS file (1.44 MB) | References | Online Material



• Kinematics of planet-host stars and their relation to dynamical streams in the solar neighbourhood     p. 171
  A. Ecuvillon, G. Israelian, F.  Pont, N. C. Santos, and M. Mayor
  Abstract | Full HTML | PDF file (2.96 MB) | PS file (1.47 MB) | References



• Results of the ROTOR-program - I. The long-term photometric variability of classical T Tauri stars     p. 183
  K. N. Grankin, S. Yu. Melnikov, J. Bouvier, W. Herbst, and V. S. Shevchenko
  Abstract | Full HTML | PDF file (5.22 MB) | PS file (11.7 MB) | References



Interstellar and circumstellar matter
• VLA NH₃ observations of regions of massive star formation in protostellar cores     p. 197
  Y. Wang, Y. Wu, Q. Zhang, R.-Q. Mao, and M. Miller
  Abstract | Full HTML | PDF file (587 KB) | PS file (415 KB) | References | Online Material



• Time-dependent H₂ formation and protonation in diffuse clouds     p. 205
  H. S. Liszt
  Abstract | Full HTML | PDF file (240 KB) | PS file (343 KB) | References



• Dust coagulation in protoplanetary disks: porosity matters     p. 215
  C. W. Ormel, M. Spaans, and A. G. G. M. Tielens
  Abstract | Full HTML | PDF file (2.09 MB) | PS file (1.20 MB) | References



Stellar structure and evolution
• An optimal hydrodynamic model for the normal type IIP supernova 1999em     p. 233
  V. P. Utrobin
  Abstract | Full HTML | PDF file (873 KB) | PS file (314 KB) | References



• Periodic radial velocity variations in RU Lupi     p. 253
  H. C. Stempels, G. F. Gahm, and P. P. Petrov
  Abstract | Full HTML | PDF file (541 KB) | PS file (1.36 MB) | References



Stellar atmospheres
• A non-LTE study of neutral and singly-ionized calcium in late-type stars     p. 261
  L. Mashonkina, A. J. Korn, and N. Przybilla
  Abstract | Full HTML | PDF file (548 KB) | PS file (191 KB) | References



The Sun
• Analysis of the effect of neutral flow on the waves in the solar photosphere     p. 277
  D. Petrovic, J. Vranjes, and S. Poedts
  Abstract | Full HTML | PDF file (287 KB) | PS file (412 KB) | References



• On the causes of hard x-ray asymmetry in solar flares     p. 285
  R. Falewicz and M. Siarkowski
  Abstract | Full HTML | PDF file (759 KB) | PS file (1.46 MB) | References



• Stability of toroidal magnetic fields in the solar tachocline     p. 295
  R. Arlt, A. Sule, and G. Rüdiger
  Abstract | Full HTML | PDF file (284 KB) | PS file (120 KB) | References



• High time resolution observations of solar H flares. I.     p. 303
  K. Radziszewski, P. Rudawy, and K. J. H. Phillips
  Abstract | Full HTML | PDF file (3.81 MB) | PS file (2.15 MB) | References | Online Material



• Footpoint versus loop-top hard X-ray emission sources in solar flares     p. 315
  M. Tomczak and T. Ciborski
  Abstract | Full HTML | PDF file (508 KB) | PS file (1.99 MB) | References | Online Material



• Buoyant magnetic flux ropes in a magnetized stellar envelope - Idealized numerical 2.5-D MHD simulations     p. 325
  S. B. F. Dorch
  Abstract | Full HTML | PDF file (395 KB) | PS file (259 KB) | References



• On the reliability of the fractal dimension measure of solar magnetic features and on its variation with solar activity     p. 331
  S. Criscuoli, M. P. Rast, I. Ermolli, and M. Centrone
  Abstract | Full HTML | PDF file (632 KB) | PS file (2.87 MB) | References | Online Material



• Molecular Hanle effect in the Paschen-Back regime     p. 339
  A. I. Shapiro, D. M. Fluri, S. V. Berdyugina, and J. O. Stenflo
  Abstract | Full HTML | PDF file (390 KB) | PS file (177 KB) | References



Planets and planetary systems
• Modeling of the light scattering properties of cometary dust using fractal aggregates     p. 351
  I. Bertini, N. Thomas, and C. Barbieri
  Abstract | Full HTML | PDF file (651 KB) | PS file (445 KB) | References



Astronomical instrumentation


• On-sky observations with an achromatic hybrid phase knife coronagraph in the visible     p. 365
  L. Abe, M. Beaulieu, F. Vakili, J. Gay, J.-P. Rivet, S. Dervaux, and A. Domiciano de Souza
  Abstract | Full HTML | PDF file (640 KB) | PS file (1.79 MB) | References




• A deconvolution-based algorithm for crowded field photometry with unknown point spread function     p. 373
  P. Magain, F. Courbin, M. Gillon, S. Sohy, G. Letawe, V. Chantry, and Y. Letawe
  Abstract | Full HTML | PDF file (344 KB) | PS file (575 KB) | References

© ESO 2006