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	Astronomy and Astrophysics
	Vol. 387 No. 3 (June I 2002)
Cover illustration: Spatiotemporal fragmentation in the solar convection zone (Tavakol, R., et al., p. 1104)

Cosmology
• On the evolution of aspherical perturbations in the universe: An analytical model     p. 759
  A. Del Popolo
  Abstract | References  |  Full HTML  |  PDF file (509 KB)  |  PS file (399 KB)



• Spatial distribution of galactic halos and their merger histories     p. 778
  S. Gottlöber, M. Kerscher, A. V. Kravtsov, A. Faltenbacher, A. Klypin and V. Müller
  Abstract | References  |  Full HTML  |  PDF file (213 KB)  |  PS file (210 KB)



• Constraining the cosmological parameters using strong lensing     p. 788
  G. Golse, J.-P. Kneib and G. Soucail
  Abstract | References  |  Full HTML  |  PDF file (651 KB)  |  PS file (424 KB)



Extragalactic astronomy
• The role of the central stellar cluster in active galactic nuclei - I. Semi-analytical model     p. 804
  E. Y. Vilkoviskij and B. Czerny
  Abstract | References  |  Full HTML  |  PDF file (283 KB)  |  PS file (212 KB)



• Magnetic fields around AGNs at large and small scales     p. 818
  S. A. Tyul'bashev
  Abstract | References  |  Full HTML  |  PDF file (85.1 KB)  |  PS file (100 KB)



• GHASP: An H kinematic survey of spiral and irregular galaxies - I. Velocity fields and rotation curves of 23 galaxies     p. 821
  O. Garrido, M. Marcelin, P. Amram and J. Boulesteix
  Abstract | References  |  Full HTML  |  PDF file (144 KB)  |  PS file (135 KB)  |  Online Material



• Large-scale gas disk around the radio galaxy Coma A     p. 830
  R. Morganti, T. A. Oosterloo, S. Tinti, C. N. Tadhunter, K. A. Wills and G. van Moorsel
  Abstract | References  |  Full HTML  |  PDF file (335 KB)  |  PS file (397 KB)



• The BeppoSAX broad-band spectrum and variability of the Seyfert 1 NGC 3783     p. 838
  A. De Rosa, L. Piro, F. Fiore, P. Grandi, L. Maraschi, G. Matt, F. Nicastro and P. O. Petrucci
  Abstract | References  |  Full HTML  |  PDF file (458 KB)  |  PS file (341 KB)



Galactic structure and dynamics
• Vitesses radiales photoélectriques de binaires à éclipses - VI. Orbites spectroscopiques et éléments physiques de 12 étoiles doubles Photoelectric radial velocities of eclipsing binaries VI. Orbital and physical elements of 12 double stars     p. 850
  M. Imbert
  Abstract | References  |  Full HTML  |  PDF file (252 KB)  |  PS file (278 KB)



Stellar clusters and associations
• Magellanic Clouds stellar clusters. II. New B,V CM diagrams for 6 LMC and 10 SMC clusters     p. 861
  A. Matteucci, V. Ripepi, E. Brocato and V. Castellani
  Abstract | References  |  Full HTML  |  PDF file (2.64 MB)  |  PS file (12.2 MB)



• Light element abundances in the young open clusters NGC 3293, NGC 4755 and NGC 6231: Tracers of stellar evolution     p. 890
  G. Mathys, S. M. Andrievsky, B. Barbuy, K. Cunha and S. A. Korotin
  Abstract | References  |  Full HTML  |  PDF file (285 KB)  |  PS file (290 KB)



Formation, structure and evolution of stars
• BO Pegasi: A candidate on the breaking stage of the TRO cycle     p. 903
  Qian Shengbang
  Abstract | References  |  Full HTML  |  PDF file (129 KB)  |  PS file (140 KB)



• X-ray spectra from accretion disks illuminated by protons     p. 907
  B. Deufel, C. P. Dullemond and H. C. Spruit
  Abstract | References  |  Full HTML  |  PDF file (257 KB)  |  PS file (207 KB)



• The transition from a cool disk to an ion supported flow     p. 918
  H. C. Spruit and B. Deufel
  Abstract | References  |  Full HTML  |  PDF file (336 KB)  |  PS file (416 KB)



• IRAS 05358+3543: Multiple outflows at the earliest stages of massive star formation     p. 931
  H. Beuther, P. Schilke, F. Gueth, M. McCaughrean, M. Andersen, T. K. Sridharan and K. M. Menten
  Abstract | References  |  Full HTML  |  PDF file (1.41 MB)  |  PS file (1.63 MB)



• X-ray off states and optical variability in CAL 83     p. 944
  J. Greiner and R. Di Stefano
  Abstract | References  |  Full HTML  |  PDF file (547 KB)  |  PS file (234 KB)



• Near-IR spectroscopy of planetary nebulae precursors     p. 955
  D. A. García-Hernández, A. Manchado, P. García-Lario, C. Domínguez-Tagle, G. M. Conway and F. Prada
  Abstract | References  |  Full HTML  |  PDF file (490 KB)  |  PS file (222 KB)



• Starspots and photometric noise on observed minus calculated (O-C) diagrams     p. 969
  A. Kalimeris, H. Rovithis-Livaniou and P. Rovithis
  Abstract | References  |  Full HTML  |  PDF file (367 KB)  |  PS file (266 KB)



• The history of mass dispersal around Herbig Ae/Be stars     p. 977
  A. Fuente, J. Martin-Pintado, R. Bachiller, A. Rodriguez-Franco and F. Palla
  Abstract | References  |  Full HTML  |  PDF file (515 KB)  |  PS file (481 KB)



• Re-examining the X-ray versus spin-down luminosity correlation of rotation powered pulsars     p. 993
  A. Possenti, R. Cerutti, M. Colpi and S. Mereghetti
  Abstract | References  |  Full HTML  |  PDF file (301 KB)  |  PS file (248 KB)



• Circumstellar disks around Herbig Ae/Be stars: Polarization, outflows and binary orbits     p. 1003
  G. Maheswar, P. Manoj and H. C. Bhatt
  Abstract | References  |  Full HTML  |  PDF file (141 KB)  |  PS file (154 KB)



Stellar atmospheres
• The spectrum of the recurrent nova U Scorpii during the 1999 outburst     p. 1013
  T. Iijima
  Abstract | References  |  Full HTML  |  PDF file (264 KB)  |  PS file (171 KB)



• The extended atmosphere and evolution of the RV Tau star, R Scuti     p. 1022
  M. Matsuura, I. Yamamura, A. A. Zijlstra and T. R. Bedding
  Abstract | References  |  Full HTML  |  PDF file (852 KB)  |  PS file (739 KB)



• Chandra LETGS observation of the active binary Algol     p. 1032
  J.-U. Ness, J. H. M. M. Schmitt, V. Burwitz, R. Mewe and P. Predehl
  Abstract | References  |  Full HTML  |  PDF file (575 KB)  |  PS file (386 KB)



Diffuse matter in space
• The neutral gas environment of the young supernova remnant SN 1006 (G327.6+14.6)     p. 1047
  G. M. Dubner, E. B. Giacani, W. M. Goss, A. J. Green and L.-Å. Nyman
  Abstract | References  |  Full HTML  |  PDF file (2.89 MB)  |  PS file (1.94 MB)



• Optical spectroscopy of the M 15 intermediate velocity cloud     p. 1057
  J. V. Smoker, F. P. Keenan, N. Lehner and C. Trundle
  Abstract | References  |  Full HTML  |  PDF file (505 KB)  |  PS file (588 KB)



• Pulsar bow-shock nebulae - II. Hydrodynamical simulation     p. 1066
  N. Bucciantini
  Abstract | References  |  Full HTML  |  PDF file (221 KB)  |  PS file (1.98 MB)



• Gas temperature and excitation classes in planetary nebulae     p. 1074
  L. P. Martins and S. M. Viegas
  Abstract | References  |  Full HTML  |  PDF file (339 KB)  |  PS file (214 KB)  |  Online Material



• Molecular tracers of photo-evaporating disks around young stars     p. 1083
  T. K. Nguyen, S. Viti and D. A. Williams
  Abstract | References  |  Full HTML  |  PDF file (135 KB)  |  PS file (127 KB)



The sun
• Solar -modes and surface magnetic fields: Is there an acoustic emission? - MDI/SOHO observations     p. 1092
  R. Jain and D. Haber
  Abstract | References  |  Full HTML  |  PDF file (478 KB)  |  PS file (345 KB)



• Effects of boundary conditions on the dynamics of the solar convection zone     p. 1100
  R. Tavakol, E. Covas, D. Moss and A. Tworkowski
  Abstract | References  |  Full HTML  |  PDF file (215 KB)  |  PS file (258 KB)



The solar system
• VLT observations of comet 46P/Wirtanen     p. 1107
  H. Boehnhardt, C. Delahodde, T. Sekiguchi, G. P. Tozzi, R. Amestica, O. Hainaut, J. Spyromilio, M. Tarenghi, R. M. West, R. Schulz and G. Schwehm
  Abstract | References  |  Full HTML  |  PDF file (177 KB)  |  PS file (227 KB)



Celestial mechanics and astrometry
• Transformation of spherical harmonic coefficients to ellipsoidal harmonic coefficients     p. 1114
  D. Dechambre and D. J. Scheeres
  Abstract | References  |  Full HTML  |  PDF file (174 KB)  |  PS file (184 KB)



• Systematic relations between the HIPPARCOS catalogue and major (fundamental) catalogues of the 20th century (Paper II)     p. 1123
  H. Schwan
  Abstract | References  |  Full HTML  |  PDF file (226 KB)  |  PS file (743 KB)



Physical and chemical processes
• Effective recombination coefficients for lines at nebular temperatures and densities     p. 1135
  R. Kisielius and P. J. Storey
  Abstract | References  |  Full HTML  |  PDF file (163 KB)  |  PS file (151 KB)



Atomic and molecular data
• Atomic data for M1 and E2 emission lines in the potassium isoelectronic sequence     p. 1146
  E. Charro, Z. Curiel and I. Martín
  Abstract | References  |  Full HTML  |  PDF file (131 KB)  |  PS file (133 KB)



Instruments, observational techniques and data processing
• Research Note
  Beam profile determination by tomography of solar scans     p. 1153
  J. E. R. Costa, A. V. R Silva, A. Lüdi and A. Magun
  Abstract | References  |  Full HTML  |  PDF file (375 KB)  |  PS file (225 KB)

© ESO 2002