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	Astronomy and Astrophysics
	Vol. 426 No. 3 (November II 2004)
Cover illustration: Determination of the interstelllar He parameters using the gas flow through the inner heliosphere. From the special series of seven Papers published in this issue: "Coordinated observation of local interstellar helium in the Heliosphere" (pp. 835-908)

Letters
• Grain growth and dust settling in a brown dwarf disk - Gemini/T-ReCS observations of CFHT-BD-Tau 4     p. L53
  D. Apai, I. Pascucci, M. F. Sterzik, N. van der Bliek, J. Bouwman, C. P. Dullemond and Th. Henning
  Abstract | Full HTML | PDF file (203 KB) | PS file (339 KB) | References



Astrophysical processes
• Simulations of vertical shear instability in accretion discs     p. 755
  R. Arlt and V. Urpin
  Abstract | Full HTML | PDF file (1.06 MB) | PS file (425 KB) | References



• X-ray He-like ion diagnostics: New computations for photoionized plasmas - II. Influence of different parameters     p. 767
  O. Godet, S. Collin and A.-M. Dumont
  Abstract | Full HTML | PDF file (275 KB) | PS file (111 KB) | References



Cosmology (including clusters of galaxies)
Erratum

• Constraining the population of cosmic ray protons in cooling flow clusters with -ray and radio observations: Are radio mini-halos of hadronic origin?     p. 777
  C. Pfrommer and T. A. Enßlin
  Abstract | Full HTML | PDF file (41.5 KB) | PS file (32.0 KB) | References



Extragalactic astronomy
• Chemical abundances of Planetary Nebulae in M 33     p. 779
  L. Magrini, M. Perinotto, A. Mampaso and R. L. M. Corradi
  Abstract | Full HTML | PDF file (233 KB) | PS file (89.5 KB) | References



• A thorough study of the intriguing X-ray emission from the Cartwheel ring     p. 787
  A. Wolter and G. Trinchieri
  Abstract | Full HTML | PDF file (529 KB) | PS file (542 KB) | References | Online Material



• Super-Eddington accretion rates in Narrow Line Seyfert 1 galaxies     p. 797
  S. Collin and T. Kawaguchi
  Abstract | Full HTML | PDF file (485 KB) | PS file (878 KB) | References



Galactic structure, stellar clusters and populations
• Lithium evolution in intermediate age and old open clusters: NGC 752 revisited     p. 809
  P. Sestito, S. Randich and R. Pallavicini
  Abstract | Full HTML | PDF file (226 KB) | PS file (259 KB) | References



• New membership determination and proper motions of NGC 1817. Parametric and non-parametric approach     p. 819
  L. Balaguer-Núñez, C. Jordi, D. Galadí-Enríquez and J. L. Zhao
  Abstract | Full HTML | PDF file (1.07 MB) | PS file (765 KB) | References | Online Material



• uvby-H CCD photometry of NGC 1817 and NGC 1807     p. 827
  L. Balaguer-Núñez, C. Jordi, D. Galadí-Enríquez and E. Masana
  Abstract | Full HTML | PDF file (1.26 MB) | PS file (761 KB) | References | Online Material



Interstellar and circumstellar matter
• Kinetic parameters of interstellar neutral helium - Review of results obtained during one solar cycle with the Ulysses/GAS-instrument     p. 835
  M. Witte
  Abstract | Full HTML | PDF file (692 KB) | PS file (1.65 MB) | References



• Observations of the helium focusing cone with pickup ions     p. 845
  G. Gloeckler, E. Möbius, J. Geiss, M. Bzowski, S. Chalov, H. Fahr, D. R. McMullin, H. Noda, M. Oka, D. Rucinski, R. Skoug, T. Terasawa, R. von Steiger, A. Yamazaki and T. Zurbuchen
  Abstract | Full HTML | PDF file (349 KB) | PS file (8.19 MB) | References



• EUVE observations of the helium glow: Interstellar and solar parameters     p. 855
  J. Vallerga, R. Lallement, M. Lemoine, F. Dalaudier and D. McMullin
  Abstract | Full HTML | PDF file (744 KB) | PS file (5.95 MB) | References



• Solar cycle dependence of the helium focusing cone from SOHO/UVCS observations - Electron impact rates and associated pickup ions     p. 867
  R. Lallement, J. C. Raymond, J.-L. Bertaux, E. Quémerais, Y.-K. Ko, M. Uzzo, D. McMullin and †D. Rucinski
  Abstract | Full HTML | PDF file (381 KB) | PS file (1.52 MB) | References



• Modeling the interstellar-interplanetary helium 58.4 nm resonance glow: Towards a reconciliation with particle measurements     p. 875
  R. Lallement, J. C. Raymond, J. Vallerga, M. Lemoine, F. Dalaudier and J. L. Bertaux
  Abstract | Full HTML | PDF file (635 KB) | PS file (1.90 MB) | References



• Heliospheric conditions that affect the interstellar gas inside the heliosphere     p. 885
  D. R. McMullin, M. Bzowski, E. Möbius, A. Pauluhn, R. Skoug, W. T. Thompson, M. Witte, R. von Steiger, D. Rucinski, D. Judge, M. Banaszkiewicz and R. Lallement
  Abstract | Full HTML | PDF file (405 KB) | PS file (1.21 MB) | References



• Synopsis of the interstellar He parameters from combined neutral gas, pickup ion and UV scattering observations and related consequences     p. 897
  E. Möbius, M. Bzowski, S. Chalov, H.-J. Fahr, G. Gloeckler, V. Izmodenov, R. Kallenbach, R. Lallement, D. McMullin, H. Noda, M. Oka, A. Pauluhn, J. Raymond, D. Rucinski, R. Skoug, T. Terasawa, W. Thompson, J. Vallerga, R. von Steiger and M. Witte
  Abstract | Full HTML | PDF file (513 KB) | PS file (1.59 MB) | References



• Radio emission from the Cygnus Loop and its spectral characteristics     p. 909
  B. Uyaniker, W. Reich, A. Yar and E. Fürst
  Abstract | Full HTML | PDF file (2.82 MB) | PS file (1.70 MB) | References



• Mapping ices in protostellar environments on 1000 AU scales - Methanol-rich ice in the envelope of Serpens SMM 4     p. 925
  K. M. Pontoppidan, E. F. van Dishoeck and E. Dartois
  Abstract | Full HTML | PDF file (1.83 MB) | PS file (630 KB) | References



• The dense molecular cores in the IRAS 21391+5802 region     p. 941
  M. T. Beltrán, J. M. Girart, R. Estalella and P. T. P. Ho
  Abstract | Full HTML | PDF file (768 KB) | PS file (606 KB) | References



Stellar structure and evolution
• Tidal and rotational effects in the perturbations of hierarchical triple stellar systems - I. Numerical model and a test application for Algol     p. 951
  T. Borkovits, E. Forgács-Dajka and Zs. Regály
  Abstract | Full HTML | PDF file (896 KB) | PS file (389 KB) | References | Online Material



• SN Ib 1990I: Clumping and dust in the ejecta?     p. 963
  A. Elmhamdi, I. J. Danziger, E. Cappellaro, M. Della Valle, C. Gouiffes, M. M. Phillips and M. Turatto
  Abstract | Full HTML | PDF file (562 KB) | PS file (201 KB) | References



• The discovery of hard X-ray emission in the persistent flux of the Rapid Burster     p. 979
  M. Falanga, R. Farinelli, P. Goldoni, F. Frontera, A. Goldwurm and L. Stella
  Abstract | Full HTML | PDF file (211 KB) | PS file (80.8 KB) | References



• Light curves and polarization of accretion- and nuclear-powered millisecond pulsars     p. 985
  K. Viironen and J. Poutanen
  Abstract | Full HTML | PDF file (650 KB) | PS file (297 KB) | References


Erratum

• The metallicity dependence of the Cepheid PL-relation     p. 999
  M. A. T. Groenewegen, M. Romaniello, F. Primas and M. Mottini
  Abstract | Full HTML | PDF file (28.8 KB) | PS file (13.3 KB)


Research Note

• On the properties of contact binary stars     p. 1001
  Sz. Csizmadia and P. Klagyivik
  Abstract | Full HTML | PDF file (152 KB) | PS file (75.4 KB) | References | Online Material



Stellar atmospheres
• The photospheric abundances of active binaries - III. Abundance peculiarities at high activity levels     p. 1007
  T. Morel, G. Micela, F. Favata and D. Katz
  Abstract | Full HTML | PDF file (583 KB) | PS file (193 KB) | References



• The age-activity-rotation relationship in solar-type stars     p. 1021
  G. Pace and L. Pasquini
  Abstract | Full HTML | PDF file (1.09 MB) | PS file (3.74 MB) | References



• X-ray spectroscopy of the W UMa-type binary 44 Bootis     p. 1035
  P. Gondoin
  Abstract | Full HTML | PDF file (297 KB) | PS file (152 KB) | References



The Sun
• Emergence of magnetic flux from the convection zone into the corona     p. 1047
  V. Archontis, F. Moreno-Insertis, K. Galsgaard, A. Hood and E. O'Shea
  Abstract | Full HTML | PDF file (2.94 MB) | PS file (3.27 MB) | References



• A new technique for comparing solar dynamo models and observations     p. 1065
  P. D. Mininni and D. O. Gómez
  Abstract | Full HTML | PDF file (1.25 MB) | PS file (658 KB) | References



• Evolution of the large-scale magnetic field on the solar surface: A parameter study     p. 1075
  I. Baumann, D. Schmitt, M. Schüssler and S. K. Solanki
  Abstract | Full HTML | PDF file (951 KB) | PS file (2.59 MB) | References



• The spectral evolution of impulsive solar X-ray flares     p. 1093
  P. C. Grigis and A. O. Benz
  Abstract | Full HTML | PDF file (459 KB) | PS file (143 KB) | References



Planets and planetary systems
• Laboratory photometry of planetary regolith analogs - II. Surface roughness and extremes of packing density     p. 1103
  J. Näränen, S. Kaasalainen, J. Peltoniemi, S. Heikkilä, M. Granvik and V. Saarinen
  Abstract | Full HTML | PDF file (487 KB) | PS file (1.84 MB) | References



• Ondrejov radar observations of Leonid shower activity in 2000-2002     p. 1111
  P. Pecina and D. Pecinová
  Abstract | Full HTML | PDF file (146 KB) | PS file (149 KB) | References | Online Material



Instruments, observational techniques, and data processing
• On the precision of X-ray source parameters estimated from ROSAT data     p. 1119
  F. G. Boese
  Abstract | Full HTML | PDF file (3.06 MB) | PS file (990 KB) | References



On-line catalogs and data
• Structure and star formation in disk galaxies - II. Optical imaging     p. 1135
  J. H. Knapen, S. Stedman, D. M. Bramich, S. L. Folkes and T. R. Bradley
  Abstract | Full HTML | PDF file (2.69 MB) | PS file (1.87 MB) | References

© ESO 2004