Free access Deep VLT spectroscopy of the 2.49 radio galaxy MRC 2104-242 - Evidence for a metallicity gradient in its extended emission line region    p. L5 R. A. Overzier, H. J. A. Röttgering, J. D. Kurk and C. De Breuck DOI: http://dx.doi.org/10.1051/0004-6361:20010041 Abstract Full HTML PDF (194 KB) PS (262 KB) References SIMBAD record

Free access The PAH 7.7 μm/850 μm ratio as new diagnostics for high extinction in ULIRGs -increasing evidence for a hidden quasar in Arp 220    p. L9 M. Haas, U. Klaas, S. A. H. Müller, R. Chini and I. Coulson DOI: http://dx.doi.org/10.1051/0004-6361:20010065 Abstract Full HTML PDF (137 KB) PS (276 KB) References SIMBAD record NASA ADS Abstract Service

Free access Spectroscopic confirmation of a cluster of galaxies at z=1 in the field of the gravitational lens MG 2016+112    p. 741 G. Soucail, J.-P. Kneib, A. O. Jaunsen, J. Hjorth, M. Hattori and T. Yamada DOI: http://dx.doi.org/10.1051/0004-6361:20000498 Abstract Full HTML PDF (447 KB) PS (484 KB) References SIMBAD record NASA ADS Abstract Service

Free access HST and ground-based observations of the gravitational lens system Q1009-0252 A & B    p. 748 J.-F. Claeskens, S. V. Khmil, Dong Wook Lee, D. Sluse and J. Surdej DOI: http://dx.doi.org/10.1051/0004-6361:20000491 Abstract Full HTML PDF (299 KB) PS (259 KB) References SIMBAD record NASA ADS Abstract Service

Free access Variable stars in nearby galaxies - IV. Fields C and D of IC 1613    p. 759 L. Mantegazza, E. Antonello, D. Fugazza, M. Bossi and S. Covino DOI: http://dx.doi.org/10.1051/0004-6361:20000235 Abstract Full HTML PDF (1.05 MB) PS (835 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

Free access Rapid polarization variations at 20 cm in 0917+624    p. 770 S. J. Qian, A. Witzel, A. Kraus, T. P. Krichbaum and J. A. Zensus DOI: http://dx.doi.org/10.1051/0004-6361:20000465 Abstract Full HTML PDF (247 KB) PS (242 KB) References SIMBAD record NASA ADS Abstract Service

Free access The structure of the Akn 120 emitting region: The line shapes and long-term Hβ line profile variation    p. 780 L. Č. Popović, N. Stanić, A. Kubičela and E. Bon DOI: http://dx.doi.org/10.1051/0004-6361:20000500 Abstract Full HTML PDF (273 KB) PS (178 KB) References SIMBAD record NASA ADS Abstract Service

Free access The luminosity function of field galaxies and its evolution since z=1    p. 788 J. W. Fried, B. von Kuhlmann, K. Meisenheimer, H.-W. Rix, C. Wolf, H. H. Hippelein, M. Kümmel, S. Phleps, H. J. Röser, I. Thierring and C. Maier DOI: http://dx.doi.org/10.1051/0004-6361:20000466 Abstract Full HTML PDF (537 KB) PS (367 KB) References SIMBAD record NASA ADS Abstract Service

Free access The X-ray view of the quasar MR 2251-178 and its host cluster: Variability, absorption, and intracluster gas emission    p. 801 S. Komossa DOI: http://dx.doi.org/10.1051/0004-6361:20010022 Abstract Full HTML PDF (238 KB) PS (330 KB) References SIMBAD record NASA ADS Abstract Service

Free access The multifrequency emission of Mrk 501 - From radio to TeV gamma-rays    p. 809 K. Katarzyński, H. Sol and A. Kus DOI: http://dx.doi.org/10.1051/0004-6361:20000538 Abstract Full HTML PDF (371 KB) PS (267 KB) References SIMBAD record NASA ADS Abstract Service

Free access Probing the post-AGB nature of HD 179821 - A new radio study of its circumstellar envelope    p. 826 E. Josselin and A. Lèbre DOI: http://dx.doi.org/10.1051/0004-6361:20000496 Abstract Full HTML PDF (135 KB) PS (139 KB) References SIMBAD record NASA ADS Abstract Service

Free access Spectroscopic investigations of classical Cepheids and main-sequence stars in galactic open clusters and associations - I. Association Cas OB2 and the small-amplitude Cepheid SU Cassiopeae    p. 831 I. A. Usenko, V. V. Kovtyukh, V. G. Klochkova, V. E. Panchuk and S. V. Yermakov DOI: http://dx.doi.org/10.1051/0004-6361:20000531 Abstract Full HTML PDF (294 KB) PS (282 KB) References SIMBAD record NASA ADS Abstract Service

Free access A photometric study of the W UMa-type system U Pegasi    p. 840 G. Djurašević, H. Rovithis-Livaniou, P. Rovithis, S. Erkapić and N. Milovanović DOI: http://dx.doi.org/10.1051/0004-6361:20000493 Abstract Full HTML PDF (1.22 MB) PS (2.96 MB) References SIMBAD record NASA ADS Abstract Service

Free access Population synthesis of Be/white dwarf binaries in the Galaxy    p. 848 N. V. Raguzova DOI: http://dx.doi.org/10.1051/0004-6361:20000348 Abstract Full HTML PDF (307 KB) PS (349 KB) References SIMBAD record NASA ADS Abstract Service

Free access Elemental abundance studies of CP stars - III. The magnetic CP stars α Scl and HD 170973    p. 859 Z. López-García, Saul J. Adelman and O. I. Pintado DOI: http://dx.doi.org/10.1051/0004-6361:20000438 Abstract Full HTML PDF (99.6 KB) PS (105 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

Free access Speckle observations of binary systems measured by Hipparcos    p. 865 J.-L. Prieur, E. Oblak, P. Lampens, M. Kurpinska-Winiarska, E. Aristidi, L. Koechlin and G. Ruymaekers DOI: http://dx.doi.org/10.1051/0004-6361:20000550 Abstract Full HTML PDF (183 KB) PS (278 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

Free access The angular diameter and distance of the Cepheid ζ Geminorum    p. 876 P. Kervella, V. Coudé du Foresto, G. Perrin, M. Schöller, W. A. Traub and M. G. Lacasse DOI: http://dx.doi.org/10.1051/0004-6361:20000490 Abstract Full HTML PDF (183 KB) PS (170 KB) References SIMBAD record NASA ADS Abstract Service

Free access Comparison of the Hα circumstellar disks in Be/X-ray binaries and Be stars    p. 884 R. K. Zamanov, P. Reig, J. Martí, M. J. Coe, J. Fabregat, N. A. Tomov and T. Valchev DOI: http://dx.doi.org/10.1051/0004-6361:20000533 Abstract Full HTML PDF (189 KB) PS (135 KB) References SIMBAD record NASA ADS Abstract Service

Free access Extended optical spectroscopic monitoring of wind structure in HD 152408    p. 891 R. K. Prinja, O. Stahl, A. Kaufer, S. R. Colley, P. A. Crowther and B. Wolf DOI: http://dx.doi.org/10.1051/0004-6361:20000532 Abstract Full HTML PDF (2.81 MB) PS (4.76 MB) References SIMBAD record NASA ADS Abstract Service

Free access Long-term monitoring of active stars - IX. Photometry collected in 1993    p. 910 G. Cutispoto, S. Messina and M. Rodonò DOI: http://dx.doi.org/10.1051/0004-6361:20000549 Abstract Full HTML PDF (511 KB) PS (377 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

Free access Research Note PSR B1929+10 and GSC 01060-01374 are not binary companions    p. 931 M. L. A. Kouwenhoven and M. C. van den Berg DOI: http://dx.doi.org/10.1051/0004-6361:20010048 Abstract Full HTML PDF (115 KB) PS (99.9 KB) References SIMBAD record NASA ADS Abstract Service

Free access Research Note The spectrum of V4334 Sgr (Sakurai's object) in August, 1998    p. 933 Ya. V. Pavlenko and H. W. Duerbeck DOI: http://dx.doi.org/10.1051/0004-6361:20010067 Abstract Full HTML PDF (368 KB) PS (457 KB) References SIMBAD record NASA ADS Abstract Service

Free access The core-wing anomaly of cool Ap stars - Abnormal Balmer Profiles    p. 939 C. R. Cowley, S. Hubrig, T. A. Ryabchikova, G. Mathys, N. Piskunov and P. Mittermayer DOI: http://dx.doi.org/10.1051/0004-6361:20000539 Abstract Full HTML PDF (220 KB) PS (477 KB) References SIMBAD record NASA ADS Abstract Service

Free access The planetary system of upsilon Andromedae    p. 943 Ing-Guey Jiang and Wing-Huen Ip DOI: http://dx.doi.org/10.1051/0004-6361:20000468 Abstract Full HTML PDF (399 KB) PS (286 KB) References SIMBAD record NASA ADS Abstract Service

Free access The ISO-SWS spectrum of planetary nebula NGC 7027    p. 949 J. Bernard Salas, S. R. Pottasch, D. A. Beintema and P. R. Wesselius DOI: http://dx.doi.org/10.1051/0004-6361:20000435 Abstract Full HTML PDF (213 KB) PS (183 KB) References SIMBAD record NASA ADS Abstract Service

Free access A precessing, variable velocity jet model for DG Tauri    p. 959 A. Raga, S. Cabrit, C. Dougados and C. Lavalley DOI: http://dx.doi.org/10.1051/0004-6361:20000415 Abstract Full HTML PDF (505 KB) PS (422 KB) References SIMBAD record NASA ADS Abstract Service

Free access The distances of planetary nebulae: A scaling factor based upon radial velocities    p. 967 J. P. Phillips DOI: http://dx.doi.org/10.1051/0004-6361:20000439 Abstract Full HTML PDF (240 KB) PS (1.39 MB) References SIMBAD record NASA ADS Abstract Service

Free access Spectroscopic investigation of old planetaries - V. Distance scales    p. 973 R. Napiwotzki DOI: http://dx.doi.org/10.1051/0004-6361:20000431 Abstract Full HTML PDF (221 KB) PS (203 KB) References SIMBAD record NASA ADS Abstract Service

Free access Galactic planetary nebulae with Wolf-Rayet nuclei - II. A consistent observational data set    p. 983 M. Peña, G. Stasińska and S. Medina DOI: http://dx.doi.org/10.1051/0004-6361:20000497 Abstract Full HTML PDF (215 KB) PS (156 KB) References Online Material SIMBAD record NASA ADS Abstract Service

Free access Absorption against the cosmic 2.7 K background    p. 995 S. Chandra and W. H. Kegel DOI: http://dx.doi.org/10.1051/0004-6361:20000499 Abstract Full HTML PDF (242 KB) PS (282 KB) References SIMBAD record NASA ADS Abstract Service

Free access Self-similar evolution of wind-blown bubbles with mass-loading by conductive evaporation    p. 1000 J. M. Pittard, J. E. Dyson and T. W. Hartquist DOI: http://dx.doi.org/10.1051/0004-6361:20000565 Abstract Full HTML PDF (444 KB) PS (217 KB) References SIMBAD record NASA ADS Abstract Service

Free access High resolution 2D-spectroscopy of granular dynamics    p. 1011 J. Hirzberger, M. Koschinsky, F. Kneer and C. Ritter DOI: http://dx.doi.org/10.1051/0004-6361:20000448 Abstract Full HTML PDF (1.73 MB) PS (28.6 MB) References SIMBAD record NASA ADS Abstract Service

Free access Filament activity and photospheric magnetic evolution related to flares    p. 1022 Y. Jiang and J. Wang DOI: http://dx.doi.org/10.1051/0004-6361:20000551 Abstract Full HTML PDF (552 KB) PS (4.95 MB) References SIMBAD record NASA ADS Abstract Service

Free access Influence of magnetic fields on the coherence effects in the Nai D1 and D2 lines    p. 1033 J. O. Stenflo, A. Gandorfer, T. Wenzler and C. U. Keller DOI: http://dx.doi.org/10.1051/0004-6361:20000495 Abstract Full HTML PDF (912 KB) PS (2.67 MB) References SIMBAD record NASA ADS Abstract Service

Free access A catalogue of emission lines in spectra of Comet C/1995 O1 (Hale-Bopp)    p. 1049 H. W. Zhang, G. Zhao and J. Y. Hu DOI: http://dx.doi.org/10.1051/0004-6361:20010008 Abstract Full HTML PDF (167 KB) PS (141 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

Free access Leonid electrophonic bursters    p. 1056 M. Beech and L. Foschini DOI: http://dx.doi.org/10.1051/0004-6361:20000436 Abstract Full HTML PDF (97.1 KB) PS (102 KB) References SIMBAD record NASA ADS Abstract Service

Free access An analysis of satellite calibration methods for CCD astrometry of Saturn's satellites    p. 1061 K. X. Shen, G. Dourneau, R. C. Qiao and J. R. Liu DOI: http://dx.doi.org/10.1051/0004-6361:20000548 Abstract Full HTML PDF (199 KB) PS (154 KB) References SIMBAD record NASA ADS Abstract Service

Free access IAU resolutions on reference systems and time scales in practice    p. 1070 V. A. Brumberg and E. Groten DOI: http://dx.doi.org/10.1051/0004-6361:20000494 Abstract Full HTML PDF (131 KB) PS (123 KB) References SIMBAD record NASA ADS Abstract Service

Free access An analytical representation of the systematic differences HIPPARCOS-FK5    p. 1078 H. Schwan DOI: http://dx.doi.org/10.1051/0004-6361:20000521 Abstract Full HTML PDF (315 KB) PS (427 KB) References SIMBAD record NASA ADS Abstract Service

Free access Accretion discs models with the β-viscosity prescription derived from laboratory experiments    p. 1087 J.-M. Huré, D. Richard and J.-P. Zahn DOI: http://dx.doi.org/10.1051/0004-6361:20000536 Abstract Full HTML PDF (220 KB) PS (197 KB) References SIMBAD record NASA ADS Abstract Service

Free access Numerical simulations of the accretion-ejection instability in magnetised accretion disks    p. 1095 S. E. Caunt and M. Tagger DOI: http://dx.doi.org/10.1051/0004-6361:20000535 Abstract Full HTML PDF (2.20 MB) PS (2.97 MB) References SIMBAD record NASA ADS Abstract Service

Free access A new digital spectrograph for observations of radio burst emission from the Sun    p. 1112 E. Ebenezer, R. Ramesh, K. R. Subramanian, M. S. SundaraRajan and Ch. V. Sastry DOI: http://dx.doi.org/10.1051/0004-6361:20000540 Abstract Full HTML PDF (266 KB) PS (615 KB) References SIMBAD record NASA ADS Abstract Service