Astronomy & Astrophysics

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A&A Vol. 439 No. 2

	Astronomy and Astrophysics
	Vol. 439 No. 2 (August IV 2005)
Cover illustration: Errors on parallaxes in the old and new Hipparcos analysis (van Leeuwen, F., & Fantino, E., p. 802)

Letters

Is Sedna another Triton? p. L1
M. A. Barucci, D. P. Cruikshank, E. Dotto, F. Merlin, F. Poulet, C. Dalle Ore, S. Fornasier and C. de Bergh
Abstract | Full HTML | PDF file (253 KB) | PS file (259 KB) | References

Searching for merger debris in the Galactic halo: chemodynamical evidence based on local blue HB stars p. L5
M. Altmann, M. Catelan and M. Zoccali
Abstract | Full HTML | PDF file (192 KB) | PS file (227 KB) | References

A dual emission mechanism in Sgr A*/L $^\prime$ ? p. L9
Y. Clénet, D. Rouan, D. Gratadour, O. Marco, P. Léna, N. Ageorges and E. Gendron
Abstract | Full HTML | PDF file (717 KB) | PS file (1.19 MB) | References

GRB 050509b: the elusive optical/nIR/mm afterglow of a short-duration GRB p. L15
A. J. Castro-Tirado, A. de Ugarte Postigo, J. Gorosabel, T. Fathkullin, V. Sokolov, M. Bremer, I. Márquez, A. J. Marín, S. Guziy, M. Jelínek, P. Kubánek, R. Hudec, S. Vitek, T. J. Mateo Sanguino, A. Eigenbrod, M. D. Pérez-Ramírez, A. Sota, J. Masegosa, F. Prada and M. Moles
Abstract | Full HTML | PDF file (295 KB) | PS file (264 KB) | References

Discovery of a widely separated binary system of very low mass stars p. L19
N. Phan-Bao, E. L. Martín, C. Reylé, T. Forveille and J. Lim
Abstract | Full HTML | PDF file (234 KB) | PS file (291 KB) | References

The diffuse nature of Strömgren spheres p. L23
J. Ritzerveld
Abstract | Full HTML | PDF file (314 KB) | PS file (356 KB) | References

An explanation for the kHz-QPO twin peaks separation in slow and fast rotators p. L27
J. Pétri
Abstract | Full HTML | PDF file (188 KB) | PS file (225 KB) | References

Astrophysical processes

Neutrino emission rates in highly magnetized neutron stars revisited p. 427
M. Riquelme, A. Reisenegger, O. Espinosa and C. O. Dib
Abstract | Full HTML | PDF file (199 KB) | PS file (131 KB) | References

Observations of the companion to the pulsar PSR B1718-19 - The role of tidal circularisation p. 433
T. Janssen and M. H. van Kerkwijk
Abstract | Full HTML | PDF file (544 KB) | PS file (353 KB) | References

Forced oscillations in magnetized accretion disks and QPOs p. 443
J. Pétri
Abstract | Full HTML | PDF file (2.06 MB) | PS file (3.45 MB) | References | Online Material

Research Note

Particle acceleration in thick parallel shocks with high compression ratio p. 461
J. J. P. Virtanen and R. Vainio
Abstract | Full HTML | PDF file (154 KB) | PS file (44.5 KB) | References

Cosmology (including clusters of galaxies)

Tracing the X-ray emitting intra-cluster medium of clusters of galaxies beyond r $\mathsf}$ p. 465
D. M. Neumann
Abstract | Full HTML | PDF file (436 KB) | PS file (100 KB) | References

A constraint on any topological lensing hypothesis in the spherical case: it must be a root of the identity p. 479
B. F. Roukema
Abstract | Full HTML | PDF file (196 KB) | PS file (60.7 KB) | References

Extragalactic astronomy

Are radio galaxies and quiescent galaxies different? Results from the analysis of HST brightness profiles p. 487
H. R. de Ruiter, P. Parma, A. Capetti, R. Fanti, R. Morganti and L. Santantonio
Abstract | Full HTML | PDF file (453 KB) | PS file (134 KB) | References | Online Material

High-redshift quasar host galaxies with adaptive optics p. 497
B. Kuhlbrodt, E. Örndahl, L. Wisotzki and K. Jahnke
Abstract | Full HTML | PDF file (797 KB) | PS file (537 KB) | References

The influence of redshift information on galaxy-galaxy lensing measurements p. 513
M. Kleinheinrich, H.-W. Rix, T. Erben, P. Schneider, C. Wolf, M. Schirmer, K. Meisenheimer, A. Borch, S. Dye, Z. Kovacs and L. Wisotzki
Abstract | Full HTML | PDF file (214 KB) | PS file (69.4 KB) | References

The location of the broad H I absorption in 3C 305: clear evidence for a jet-accelerated neutral outflow p. 521
R. Morganti, T. A. Oosterloo, C. N. Tadhunter, G. van Moorsel and B. Emonts
Abstract | Full HTML | PDF file (327 KB) | PS file (282 KB) | References

The red optical afterglow of GRB 030725 p. 527
G. Pugliese, P. Møller, J. Gorosabel, B. L. Jensen, J. P. U. Fynbo, J. Hjorth, S. F. Jørgensen, B. Monard and C. Vinter
Abstract | Full HTML | PDF file (359 KB) | PS file (484 KB) | References

Research Note

The globular cluster system of NGC 1399 - IV. Some noteworthy objects p. 533
T. Richtler, B. Dirsch, S. Larsen, M. Hilker and L. Infante
Abstract | Full HTML | PDF file (470 KB) | PS file (529 KB) | References

ISO observations of the Wolf-Rayet galaxies NGC 5430, NGC 6764, Mrk 309 and VII Zw 19 p. 539
B. O'Halloran, B. McBreen, L. Metcalfe, M. Delaney and D. Coia
Abstract | Full HTML | PDF file (564 KB) | PS file (385 KB) | References

Galactic structure, stellar clusters and populations

Structure in the motions of the fastest halo stars p. 551
P. Re Fiorentin, A. Helmi, M. G. Lattanzi and A. Spagna
Abstract | Full HTML | PDF file (1.14 MB) | PS file (210 KB) | References

Eclipsing binaries in the Galactic bulge: candidates for distance estimates p. 559
M. A. T. Groenewegen
Abstract | Full HTML | PDF file (310 KB) | PS file (12.0 MB) | References | Online Material

Limits on the primordial stellar multiplicity p. 565
S. P. Goodwin and P. Kroupa
Abstract | Full HTML | PDF file (128 KB) | PS file (38.9 KB) | References

Interstellar and circumstellar matter

Research Note

A photometric survey of stars with circumstellar material p. 571
A. Lecavelier des Etangs, C. Nitschelm, E. H. Olsen, A. Vidal-Madjar and R. Ferlet
Abstract | Full HTML | PDF file (377 KB) | PS file (212 KB) | References

The BeppoSAX 0.1-18 keV spectrum of the bright atoll source GX 9+1: an indication of the source distance p. 575
R. Iaria, T. Di Salvo, N. R. Robba, G. Lavagetto, L. Burderi, L. Stella and M. van der Klis
Abstract | Full HTML | PDF file (317 KB) | PS file (288 KB) | References

Dynamics of the young multiple system GG Tauri - I. Orbital fits and inner edge of the circumbinary disk of GG Tau A p. 585
H. Beust and A. Dutrey
Abstract | Full HTML | PDF file (2.64 MB) | PS file (3.55 MB) | References

Millimetric observations of southern H II regions p. 595
L. Sabbatini, F. Cavaliere, G. Dall'Oglio, R. D. Davies, L. Martinis, A. Miriametro, R. Paladini, L. Pizzo, P. A. Russo and L. Valenziano
Abstract | Full HTML | PDF file (200 KB) | PS file (228 KB) | References

The molecular condensations ahead of Herbig-Haro objects - III. Radiative and dynamical perturbations of the HH 2 condensation p. 601
J. M. Girart, S. Viti, R. Estalella and D. A. Williams
Abstract | Full HTML | PDF file (1.93 MB) | PS file (2.97 MB) | References | Online Material

The modelling of infrared dark cloud cores p. 613
C. W. Ormel, R. F. Shipman, V. Ossenkopf and F. P. Helmich
Abstract | Full HTML | PDF file (698 KB) | PS file (724 KB) | References

W Hya through the eye of Odin - Satellite observations of circumstellar submillimetre H $_\mathsf{2}$ O line emission p. 627
K. Justtanont, P. Bergman, B. Larsson, H. Olofsson, F. L. Schöier, U. Frisk, T. Hasegawa, Å Hjalmarson, S. Kwok, M. Olberg, Aa. Sandqvist, K. Volk and M. Elitzur
Abstract | Full HTML | PDF file (238 KB) | PS file (97.3 KB) | References

Stellar structure and evolution

TeV gamma-ray observations of SS-433 and a survey of the surrounding field with the HEGRA IACT-System p. 635
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlöhr, H.-G. Börst, H. Bojahr, O. Bolz, T. Coarasa, J. Contreras, J. Cortina, S. Denninghoff, V. Fonseca, M. Girma, N. Götting, G. Heinzelmann, G. Hermann, A. Heusler, W. Hofmann, D. Horns, I. Jung, R. Kankanyan, M. Kestel, A. Kohnle, A. Konopelko, D. Kranich, H. Lampeitl, M. Lopez, E. Lorenz, F. Lucarelli, O. Mang, D. Mazin, H. Meyer, R. Mirzoyan, A. Moralejo, E. Oña-Wilhelmi, M. Panter, A. Plyasheshnikov, G. Pühlhofer, R. de los Reyes, W. Rhode, J. Ripken, G. P. Rowell, V. Sahakian, M. Samorski, M. Schilling, M. Siems, D. Sobzynska, W. Stamm, M. Tluczykont, V. Vitale, H. J. Völk, C. A. Wiedner and W. Wittek
Abstract | Full HTML | PDF file (456 KB) | PS file (633 KB) | References

Determination of stellar shape in microlensing event MOA 2002-BLG-33 p. 645
N. J. Rattenbury, F. Abe, D. P. Bennett, I. A. Bond, J. J. Calitz, A. Claret, K. H. Cook, Y. Furuta, A. Gal-Yam, J.-F. Glicenstein, J. B. Hearnshaw, P. H. Hauschildt, P. M. Kilmartin, Y. Kurata, K. Masuda, D. Maoz, Y. Matsubara, P. J. Meintjes, M. Moniez, Y. Muraki, S. Noda, E. O. Ofek, K. Okajima, L. Philpott, S. H. Rhie, T. Sako, D. J. Sullivan, T. Sumi, D. M. Terndrup, P. J. Tristram, J. Wood, T. Yanagisawa and P. C. M. Yock
Abstract | Full HTML | PDF file (604 KB) | PS file (1.18 MB) | References

V4332 Sagittarii revisited p. 651
R. Tylenda, L. A. Crause, S. K. Górny and M. R. Schmidt
Abstract | Full HTML | PDF file (279 KB) | PS file (88.7 KB) | References

Spectroscopic binaries with elliptical orbits p. 663
L. B. Lucy
Abstract | Full HTML | PDF file (229 KB) | PS file (78.4 KB) | References

Stellar atmospheres

Distance determinations using type II supernovae and the expanding photosphere method p. 671
L. Dessart and D. J. Hillier
Abstract | Full HTML | PDF file (101 KB) | PS file (283 KB) | References

The Sun

Sensitivity of spectral lines to temperature, velocity, and magnetic field p. 687
D. Cabrera Solana, L. R. Bellot Rubio and J. C. del Toro Iniesta
Abstract | Full HTML | PDF file (434 KB) | PS file (224 KB) | References | Online Material

On the nature of the unidentified solar emission near 117 nm p. 701
K. Wilhelm, U. Schühle, W. Curdt, M. Hilchenbach, E. Marsch, P. Lemaire, J.-L. Bertaux, S. D. Jordan and U. Feldman
Abstract | Full HTML | PDF file (648 KB) | PS file (1.24 MB) | References

The influence of internal magnetic layers on the frequencies of solar p-modes p. 713
C. Foullon and B. Roberts
Abstract | Full HTML | PDF file (1.62 MB) | PS file (5.37 MB) | References | Online Material

Spatially resolved microwave pulsations of a flare loop p. 727
V. F. Melnikov, V. E. Reznikova, K. Shibasaki and V. M. Nakariakov
Abstract | Full HTML | PDF file (356 KB) | PS file (135 KB) | References

Size dependence of solar X-ray flare properties p. 737
M. Battaglia, P. C. Grigis and A. O. Benz
Abstract | Full HTML | PDF file (318 KB) | PS file (93.7 KB) | References

Research Note

Is there a phase constraint for solar dynamo models? p. 749
M. Schüssler
Abstract | Full HTML | PDF file (336 KB) | PS file (450 KB) | References

Planets and planetary systems

A new method to predict meteor showers - I. Description of the model p. 751
J. Vaubaillon, F. Colas and L. Jorda
Abstract | Full HTML | PDF file (289 KB) | PS file (127 KB) | References

A new method to predict meteor showers - II. Application to the Leonids p. 761
J. Vaubaillon, F. Colas and L. Jorda
Abstract | Full HTML | PDF file (1.81 MB) | PS file (890 KB) | References

Roche lobe effects on expanded upper atmospheres of short-periodic giant exoplanets p. 771
G. F. Jaritz, S. Endler, D. Langmayr, H. Lammer, J.-M. Grießmeier, N. V. Erkaev and H. K. Biernat
Abstract | Full HTML | PDF file (417 KB) | PS file (707 KB) | References

Recent searches for the radio lines of NH $\mathsf$ in comets p. 777
J. Hatchell, M. K. Bird, F. F. S. van der Tak and W. A. Sherwood
Abstract | Full HTML | PDF file (220 KB) | PS file (93.4 KB) | References

Celestial mechanics and astrometry

PHEMU 2003 campaign: observations of the mutual phenomena of the Galilean satellites in Romania p. 785
J.-E. Arlot, G.-D. Chis, L. Farkas, D. Moldovan, A. Nedelcu, P. Popescu, S. Sorescu, M. Stavinschi, L. Serbanescu, V. Tudose and V. Turcu
Abstract | Full HTML | PDF file (300 KB) | PS file (70.1 KB) | References

A new reduction of the raw Hipparcos data p. 791
F. van Leeuwen and E. Fantino
Abstract | Full HTML | PDF file (1.15 MB) | PS file (469 KB) | References

Rights and wrongs of the Hipparcos data - A critical quality assessment of the Hipparcos catalogue p. 805
F. van Leeuwen
Abstract | Full HTML | PDF file (2.83 MB) | PS file (509 KB) | References

Astronomy and Astrophysics