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	Astronomy and Astrophysics
	Vol. 375 No . 2 (August IV 2001)
Cover illustration: Relativistic expansion in Cygnus X-3 observed with the VLA, Martí, J., et al., p. 480)

Letters
• ¹³C I in high-mass star-forming clouds     p. L23
  A. R. Tieftrunk, K. Jacobs, C. L. Martin, O. Siebertz, A. A. Stark, J. Stutzki, C. K. Walker and G. A. Wright
  Abstract | References  |  Full HTML  |  PDF file (171 KB)  |  PS file (296 KB)



• HD 80606 b, a planet on an extremely elongated orbit     p. L27
  D. Naef, D. W. Latham, M. Mayor, T. Mazeh, J. L. Beuzit, G. A. Drukier, C. Perrier-Bellet, D. Queloz, J. P. Sivan, G. Torres, S. Udry and S. Zucker
  Abstract | References  |  Full HTML  |  PDF file (156 KB)  |  PS file (272 KB)



• Long-term collisional evolution of a dissipative particle disc perturbed by a giant-planet embryo     p. L31
  S. Charnoz and A. Brahic
  Abstract | References  |  Full HTML  |  PDF file (437 KB)  |  PS file (343 KB)



• The puzzle of the synthesis of the rare nuclide La     p. L35
  S. Goriely, M. Arnould, I. Borzov and M. Rayet
  Abstract | References  |  Full HTML  |  PDF file (160 KB)  |  PS file (283 KB)



Extragalactic astronomy
• WFPC2 observations of two dwarf spheroidal galaxies in the M 81 group     p. 359
  I. D. Karachentsev, M. E. Sharina, A. E. Dolphin, D. Geisler, E. K. Grebel, P. Guhathakurta, P. W. Hodge, V. E. Karachentseva, A. Sarajedini and P. Seitzer
  Abstract | References  |  Full HTML  |  PDF file (543 KB)  |  PS file (1.17 MB)



Galactic structure and dynamics
• The stellar content of the Hamburg/ESO survey - II. A large, homogeneously-selected sample of high latitude carbon stars     p. 366
  N. Christlieb, P. J. Green, L. Wisotzki and D. Reimers
  Abstract | References  |  Full HTML  |  PDF file (454 KB)  |  PS file (246 KB)



Stellar clusters and associations
• The blue straggler S 1082: A triple system in the old open cluster M 67     p. 375
  M. van den Berg, J. Orosz, F. Verbunt and K. Stassun
  Abstract | References  |  Full HTML  |  PDF file (640 KB)  |  PS file (337 KB)



• An optical study of X-ray sources in the old open clusters NGC 752 and NGC 6940     p. 387
  M. van den Berg and F. Verbunt
  Abstract | References  |  Full HTML  |  PDF file (593 KB)  |  PS file (247 KB)



Formation, structure and evolution of stars
• The curved X-ray spectrum of PSR B1509-58 observed with BeppoSAX     p. 397
  G. Cusumano, T. Mineo, E. Massaro, L. Nicastro, E. Trussoni, S. Massaglia, W. Hermsen and L. Kuiper
  Abstract | References  |  Full HTML  |  PDF file (198 KB)  |  PS file (157 KB)



• Are radio pulsars strange stars ?     p. 405
  R. C. Kapoor and C. S. Shukre
  Abstract | References  |  Full HTML  |  PDF file (151 KB)  |  PS file (150 KB)



• Projection effects in the spectra of early-type pulsating stars     p. 411
  P. Montañés Rodriguez and C. S. Jeffery
  Abstract | References  |  Full HTML  |  PDF file (457 KB)  |  PS file (261 KB)



• The soft X-ray eclipses of HU Aqr     p. 419
  A. D. Schwope, R. Schwarz, M. Sirk and S. B. Howell
  Abstract | References  |  Full HTML  |  PDF file (475 KB)  |  PS file (272 KB)



• V505 Mon -An early-type binary with a disk     p. 434
  P. Mayer, D. Chochol, H. Drechsel, R. Lorenz, M. Plavec, T. Raja and A. H. Batten
  Abstract | References  |  Full HTML  |  PDF file (674 KB)  |  PS file (494 KB)



• The IR counterpart of the black-hole candidate 4U 1630-47     p. 447
  T. Augusteijn, E. Kuulkers and M. H. van Kerkwijk
  Abstract | References  |  Full HTML  |  PDF file (211 KB)  |  PS file (494 KB)



• The spectral energy distribution of self-gravitating protostellar disks     p. 455
  G. Lodato and G. Bertin
  Abstract | References  |  Full HTML  |  PDF file (338 KB)  |  PS file (237 KB)



• On the double-mode RR Lyrae variables of the Sculptor dwarf galaxy     p. 469
  G. Kovács
  Abstract | References  |  Full HTML  |  PDF file (353 KB)  |  PS file (268 KB)



• Development of a two-sided relativistic jet in Cygnus X-3     p. 476
  J. Martí, J. M. Paredes and M. Peracaula
  Abstract | References  |  Full HTML  |  PDF file (407 KB)  |  PS file (395 KB)



Stellar atmospheres
• Coronal structure geometries on pre-main sequence stars     p. 485
  F. Favata, G. Micela and F. Reale
  Abstract | References  |  Full HTML  |  PDF file (188 KB)  |  PS file (157 KB)



• The coronal FeXXI 1354.094 line in AB Doradus     p. 492
  O. Vilhu, P. Muhli, R. Mewe and P. Hakala
  Abstract | References  |  Full HTML  |  PDF file (168 KB)  |  PS file (158 KB)



• Modelling the orbital modulation of ultraviolet resonance lines in high-mass X-ray binaries     p. 498
  J. Th. van Loon, L. Kaper and G. Hammerschlag-Hensberge
  Abstract | References  |  Full HTML  |  PDF file (1.47 MB)  |  PS file (2.97 MB)



• Multi-colour light variation of AGB stars observed with ISO     p. 527
  F. Kerschbaum, T. Lebzelter and C. Lazaro
  Abstract | References  |  Full HTML  |  PDF file (467 KB)  |  PS file (266 KB)



Diffuse matter in space
• Near-infrared imaging of compact HII regions in Cygnus X     p. 539
  F. Comerón and J. Torra
  Abstract | References  |  Full HTML  |  PDF file (410 KB)  |  PS file (1.52 MB)



• Interstellar C and CN toward the Cyg OB2 association - A case study of X-ray induced chemistry     p. 553
  R. Gredel, J. H. Black and M. Yan
  Abstract | References  |  Full HTML  |  PDF file (408 KB)  |  PS file (247 KB)



• Global physical conditions of the interstellar medium in nearby galaxies     p. 566
  T. Negishi, T. Onaka, K.-W. Chan and T. L. Roellig
  Abstract | References  |  Full HTML  |  PDF file (273 KB)  |  PS file (290 KB)



• Internal and external shock fronts in He2-104     p. 579
  M. Contini and L. Formiggini
  Abstract | References  |  Full HTML  |  PDF file (164 KB)  |  PS file (413 KB)



• Interstellar extinction by composite grains     p. 584
  D. B. Vaidya, R. Gupta, J. S. Dobbie and P. Chylek
  Abstract | References  |  Full HTML  |  PDF file (267 KB)  |  PS file (149 KB)



The sun
• The SUMER spectral atlas of solar-disk features     p. 591
  W. Curdt, P. Brekke, U. Feldman, K. Wilhelm, B. N. Dwivedi, U. Schühle and P. Lemaire
  Abstract | References  |  Full HTML  |  PDF file (2.34 MB)  |  PS file (4.79 MB)



• Astrometric observations of the Sun at Santiago: 1998-2000     p. 614
  F. Noël
  Abstract | References  |  Full HTML  |  PDF file (79.0 KB)  |  PS file (89.1 KB)



• Oscillations and running waves observed in sunspots - III. Multilayer study     p. 617
  E. B. Christopoulou, A. A. Georgakilas and S. Koutchmy
  Abstract | References  |  Full HTML  |  PDF file (314 KB)  |  PS file (622 KB)



• Dynamics of electron beams in the solar corona plasma with density fluctuations     p. 629
  E. P. Kontar
  Abstract | References  |  Full HTML  |  PDF file (550 KB)  |  PS file (736 KB)



• Radio bursts with rapid frequency variations -Lace bursts     p. 638
  M. Karlický, M. Bárta, K. Jiricka, H. Mészárosová, H. S. Sawant, F. C. R. Fernandes and J. R. Cecatto
  Abstract | References  |  Full HTML  |  PDF file (246 KB)  |  PS file (578 KB)



The solar system
• Dynamical history of the observed long-period comets     p. 643
  P. A. Dybczynski
  Abstract | References  |  Full HTML  |  PDF file (200 KB)  |  PS file (153 KB)



• Gravity field determination of a Comet Nucleus: Rosetta at P/Wirtanen     p. 651
  M. Pätzold, B. Häusler, A. Wennmacher, K. Aksnes, J. D. Anderson, S. W. Asmar, J.-P. Barriot, H. Boehnhardt, W. Eidel, F. M. Neubauer, O. Olsen, J. Schmitt, J. Schwinger and N. Thomas
  Abstract | References  |  Full HTML  |  PDF file (196 KB)  |  PS file (1.32 MB)



Celestial mechanics and astrometry
• Stability of the extragalactic VLBI reference frame     p. 661
  A.-M. Gontier, K. Le Bail, M. Feissel and T. M. Eubanks
  Abstract | References  |  Full HTML  |  PDF file (330 KB)  |  PS file (244 KB)



• The comparative accuracy of photographic observations of radio stars observed at the Engelhardt Astronomical Observatory     p. 670
  N. Rizvanov, I. Dautov and R. Shaimukhametov
  Abstract | References  |  Full HTML  |  PDF file (92.1 KB)  |  PS file (245 KB)



Physical and chemical processes
• Modified rate equations revisited. A corrected treatment for diffusive reactions on grain surfaces     p. 673
  T. Stantcheva, P. Caselli and E. Herbst
  Abstract | References  |  Full HTML  |  PDF file (174 KB)  |  PS file (144 KB)



• The r-modes of rotating fluids     p. 680
  Y. Sobouti and V. Rezania
  Abstract | References  |  Full HTML  |  PDF file (292 KB)  |  PS file (228 KB)



Instruments, observational techniques and data processing
• Diffractive/refractive optics for high energy astronomy - I. Gamma-ray phase Fresnel lenses     p. 691
  G. K. Skinner
  Abstract | References  |  Full HTML  |  PDF file (247 KB)  |  PS file (201 KB)



• Resolving gravitational microlensing events with long-baseline optical interferometry - Prospects for the ESO Very Large Telescope Interferometer     p. 701
  F. Delplancke, K. M. Górski and A. Richichi
  Abstract | References  |  Full HTML  |  PDF file (209 KB)  |  PS file (636 KB)



Computational methods
• A new Monte Carlo code for star cluster simulations - I. Relaxation     p. 711
  M. Freitag and W. Benz
  Abstract | References  |  Full HTML  |  PDF file (1.21 MB)  |  PS file (642 KB)

© ESO 2001