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Astronomy and Astrophysics

Vol. 415, No. 2 (February IV 2004)

Polarized light scattered from the disk of TW Hya (Apai, D., et al., p. 673)
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-  Letters
Probing the variability of the fine-structure constant with the VLT/UVES     p. L7
R. Quast, D. Reimers, and S. A. Levshakov
DOI: http://dx.doi.org/10.1051/0004-6361:20040013
Abstract | Full HTML | PDF (429 KB) | PS (1.34 MB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

No magnetic field variation with pulsation phase in the roAp star γ Equulei     p. L13
O. Kochukhov, T. Ryabchikova, and N. Piskunov
DOI: http://dx.doi.org/10.1051/0004-6361:20040001
Abstract | Full HTML | PDF (965 KB) | PS (917 KB) | References | SIMBAD record | NASA ADS Abstract Service

Bifurcation of the metric type II radio emission associated with the giant solar flare of April 2 2001     p. L17
S. Mancuso, and L. Abbo
DOI: http://dx.doi.org/10.1051/0004-6361:20040002
Abstract | Full HTML | PDF (711 KB) | PS (1.28 MB) | References | NASA ADS Abstract Service

Surface characterization of 28978 Ixion (2001 KX76)     p. L21
H. Boehnhardt, S. Bagnulo, K. Muinonen, M. A. Barucci, L. Kolokolova, E. Dotto, and G. P. Tozzi
DOI: http://dx.doi.org/10.1051/0004-6361:20040005
Abstract | Full HTML | PDF (218 KB) | PS (472 KB) | References | NASA ADS Abstract Service

Discovery of the high-ionization emission line [Ne V] λ3426 in the blue compact dwarf galaxy Tol 1214–277     p. L27
Y. I. Izotov, K. G. Noeske, N. G. Guseva, P. Papaderos, T. X. Thuan, and K. J. Fricke
DOI: http://dx.doi.org/10.1051/0004-6361:20040006
Abstract | Full HTML | PDF (148 KB) | PS (241 KB) | References | SIMBAD record | NASA ADS Abstract Service

Long-term variability in the X-ray emission of RX J0720.4-3125     p. L31
C. P. de Vries, J. Vink, M. Méndez, and F. Verbunt
DOI: http://dx.doi.org/10.1051/0004-6361:20040009
Abstract | Full HTML | PDF (261 KB) | PS (287 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Astrophysical processes
Astrophysical significance of the detection of coalescing binaries with gravitational waves     p. 407
T. Bulik, K. Belczyński, and B. Rudak
DOI: http://dx.doi.org/10.1051/0004-6361:20034071
Abstract | Full HTML | PDF (246 KB) | PS (107 KB) | References | NASA ADS Abstract Service

XMM-Newton witness of M 86 X-ray metamorphosis     p. 415
A. Finoguenov, W. Pietsch, B. Aschenbach, and F. Miniati
DOI: http://dx.doi.org/10.1051/0004-6361:20031672
Abstract | Full HTML | PDF (1.59 MB) | PS (1.17 MB) | References | SIMBAD record | NASA ADS Abstract Service

A quantitative analysis of OCN- formation in interstellar ice analogs     p. 425
F. A. van Broekhuizen, J. V. Keane, and W. A. Schutte
DOI: http://dx.doi.org/10.1051/0004-6361:20034161
Abstract | Full HTML | PDF (560 KB) | PS (1.70 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Extragalactic astronomy
The reprocessing features in the X–ray spectrum of the NELG MCG –5-23-16     p. 437
I. Balestra, S. Bianchi, and G. Matt
DOI: http://dx.doi.org/10.1051/0004-6361:20030211
Abstract | Full HTML | PDF (161 KB) | PS (65.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

Reconsidering the origin of the X-ray emission lines in GRB 011211     p. 443
F. Tavecchio, G. Ghisellini, and D. Lazzati
DOI: http://dx.doi.org/10.1051/0004-6361:20034626
Abstract | Full HTML | PDF (193 KB) | PS (203 KB) | References | SIMBAD record | NASA ADS Abstract Service

The isolated interacting galaxy pair NGC 5426/27 (Arp 271)     p. 451
I. Fuentes-Carrera, M. Rosado, P. Amram, D. Dultzin-Hacyan, I. Cruz-González, H. Salo, E. Laurikainen, A. Bernal, P. Ambrocio-Cruz, and E. Le Coarer
DOI: http://dx.doi.org/10.1051/0004-6361:20034190
Abstract | Full HTML | PDF (663 KB) | PS (3.97 MB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Photometric study of two novae in M 31     p. 471
Y. C. Joshi, A. K. Pandey, D. Narasimha, Y. Giraud-Héraud, R. Sagar, and J. Kaplan
DOI: http://dx.doi.org/10.1051/0004-6361:20034615
Abstract | Full HTML | PDF (310 KB) | PS (650 KB) | References | SIMBAD record | NASA ADS Abstract Service

Parsec-scale rotation-measure distribution in the quasar 3C 147 at 8 GHz     p. 477
H. Y. Zhang, D. C. Gabuzda, R. D. Nan, and C. J. Jin
DOI: http://dx.doi.org/10.1051/0004-6361:20034313
Abstract | Full HTML | PDF (191 KB) | PS (140 KB) | References | SIMBAD record | NASA ADS Abstract Service

Strong GeV emission accompanying TeV blazar H1426+428     p. 483
Y. Z. Fan, Z. G. Dai, and D. M. Wei
DOI: http://dx.doi.org/10.1051/0004-6361:20034472
Abstract | Full HTML | PDF (153 KB) | PS (68.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

Galaxies around the giant double radio source DA 240 - Redshifts and the discovery of an unusual association     p. 487
B. Peng, R. G. Strom, J. Wei, and Y. H. Zhao
DOI: http://dx.doi.org/10.1051/0004-6361:20034363
Abstract | Full HTML | PDF (633 KB) | PS (693 KB) | References | SIMBAD record | NASA ADS Abstract Service

The globular cluster system of NGC 4374     p. 499
M. Gómez, and T. Richtler
DOI: http://dx.doi.org/10.1051/0004-6361:20034610
Abstract | Full HTML | PDF (299 KB) | PS (162 KB) | References | SIMBAD record | NASA ADS Abstract Service

Dust and super star clusters in NGC 5253     p. 509
L. Vanzi, and M. Sauvage
DOI: http://dx.doi.org/10.1051/0004-6361:20034635
Abstract | Full HTML | PDF (655 KB) | PS (263 KB) | References | SIMBAD record | NASA ADS Abstract Service

BVRIJK light curves and radial velocity curves for selected Magellanic Cloud Cepheids     p. 521
J. Storm, B. W. Carney, W. P. Gieren, P. Fouqué, W. L. Freedman, B. F. Madore, and M. J. Habgood
DOI: http://dx.doi.org/10.1051/0004-6361:20034633
Abstract | Full HTML | PDF (357 KB) | PS (242 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

The effect of metallicity on the Cepheid Period-Luminosity relation from a Baade-Wesselink analysis of Cepheids in the Galaxy and in the Small Magellanic Cloud     p. 531
J. Storm, B. W. Carney, W. P. Gieren, P. Fouqué, D. W. Latham, and A. M. Fry
DOI: http://dx.doi.org/10.1051/0004-6361:20034634
Abstract | Full HTML | PDF (455 KB) | PS (263 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

High-frequency polarization properties of southern Kühr sources     p. 549
R. Ricci, I. Prandoni, C. Gruppioni, R. J. Sault, and G. De Zotti
DOI: http://dx.doi.org/10.1051/0004-6361:20034632
Abstract | Full HTML | PDF (171 KB) | PS (72.2 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters and populations
On the Galactic chemical evolution of sulfur     p. 559
N. Ryde, and D. L. Lambert
DOI: http://dx.doi.org/10.1051/0004-6361:20034616
Abstract | Full HTML | PDF (361 KB) | PS (1.66 MB) | References | SIMBAD record | NASA ADS Abstract Service

Theoretical isochrones compared to 2MASS observations: Open clusters at nearly solar metallicity     p. 571
Ch. Bonatto, E. Bica, and L. Girardi
DOI: http://dx.doi.org/10.1051/0004-6361:20034638
Abstract | Full HTML | PDF (1.39 MB) | PS (194 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
Mid-IR observations of Galactic H II regions: Constraining ionizing spectra of massive stars and the nature of the observed excitation sequences     p. 577
C. Morisset, D. Schaerer, J.-C. Bouret, and F. Martins
DOI: http://dx.doi.org/10.1051/0004-6361:20034622
Abstract | Full HTML | PDF (378 KB) | PS (145 KB) | References | NASA ADS Abstract Service

A spectral and spatial analysis of η Carinae's diffuse X-ray emission using CHANDRA     p. 595
K. Weis, M. F. Corcoran, D. J. Bomans, and K. Davidson
DOI: http://dx.doi.org/10.1051/0004-6361:20034306
Abstract | Full HTML | PDF (1.69 MB) | PS (5.36 MB) | References | SIMBAD record | NASA ADS Abstract Service

Hα variability of the recurrent nova T Coronae Borealis     p. 609
V. Stanishev, R. Zamanov, N. Tomov, and P. Marziani
DOI: http://dx.doi.org/10.1051/0004-6361:20034623
Abstract | Full HTML | PDF (447 KB) | PS (181 KB) | References | SIMBAD record | NASA ADS Abstract Service

Monte Carlo radiative transfer in molecular cloud cores     p. 617
J. Gonçalves, D. Galli, and M. Walmsley
DOI: http://dx.doi.org/10.1051/0004-6361:20031640
Abstract | Full HTML | PDF (437 KB) | PS (325 KB) | References | SIMBAD record | NASA ADS Abstract Service

A Compact Array imaging survey of southern bright-rimmed clouds     p. 627
M. A. Thompson, J. S. Urquhart, and G. J. White
DOI: http://dx.doi.org/10.1051/0004-6361:20031681
Abstract | Full HTML | PDF (1.12 MB) | PS (13.0 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Transport processes and chemical evolution in steady accretion disk flows     p. 643
M. Ilgner, Th. Henning, A. J. Markwick, and T. J. Millar
DOI: http://dx.doi.org/10.1051/0004-6361:20034061
Abstract | Full HTML | PDF (1.14 MB) | PS (1.03 MB) | References | Tables at CDS | NASA ADS Abstract Service


-  Stellar structure and evolution
Measurements of magnetic fields over the pulsation cycle in six roAp stars with FORS 1 at the VLT     p. 661
S. Hubrig, D. W. Kurtz, S. Bagnulo, T. Szeifert, M. Schöller, G. Mathys, and W. A. Dziembowski
DOI: http://dx.doi.org/10.1051/0004-6361:20031380
Abstract | Full HTML | PDF (316 KB) | PS (129 KB) | References | SIMBAD record | NASA ADS Abstract Service

NACO polarimetric differential imaging of TW Hya - A sharp look at the closest T Tauri disk     p. 671
D. Apai, I. Pascucci, W. Brandner, Th. Henning, R. Lenzen, D. E. Potter, A.-M. Lagrange, and G. Rousset
DOI: http://dx.doi.org/10.1051/0004-6361:20034549
Abstract | Full HTML | PDF (702 KB) | PS (519 KB) | References | SIMBAD record | NASA ADS Abstract Service

Li abundance/surface activity connections in solar-type Pleiades     p. 677
D. Clarke, E. C. MacDonald, and S. Owens
DOI: http://dx.doi.org/10.1051/0004-6361:20034620
Abstract | Full HTML | PDF (468 KB) | PS (1.94 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
New measurements of magnetic fields of roAp stars with FORS 1 at the VLT     p. 685
S. Hubrig, T. Szeifert, M. Schöller, G. Mathys, and D. W. Kurtz
DOI: http://dx.doi.org/10.1051/0004-6361:20031486
Abstract | Full HTML | PDF (85.9 KB) | PS (34.8 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  The Sun
The effect of anisotropy on the propagation of linear compressional waves in magnetic flux tubes: Applications to astrophysical plasmas     p. 691
I. Ballai, and A. Marcu
DOI: http://dx.doi.org/10.1051/0004-6361:20034625
Abstract | Full HTML | PDF (241 KB) | PS (109 KB) | References | NASA ADS Abstract Service

The damping of slow MHD waves in solar coronal magnetic fields - II. The effect of gravitational stratification and field line divergence     p. 705
I. De Moortel, and A. W. Hood
DOI: http://dx.doi.org/10.1051/0004-6361:20034233
Abstract | Full HTML | PDF (474 KB) | PS (159 KB) | References | NASA ADS Abstract Service

Two-dimensional spectroscopy of a sunspot - I. Properties of the penumbral fine structure     p. 717
A. Tritschler, R. Schlichenmaier, L. R. Bellot Rubio, and the KAOS Team
DOI: http://dx.doi.org/10.1051/0004-6361:20034599
Abstract | Full HTML | PDF (1.83 MB) | PS (2.97 MB) | References | NASA ADS Abstract Service

Two-dimensional spectroscopy of a sunspot - II. Penumbral line asymmetries     p. 731
R. Schlichenmaier, L. R. Bellot Rubio, and A. Tritschler
DOI: http://dx.doi.org/10.1051/0004-6361:20034430
Abstract | Full HTML | PDF (248 KB) | PS (221 KB) | References | NASA ADS Abstract Service

Time damping of linear non-adiabatic magnetohydrodynamic waves in an unbounded plasma with solar coronal properties     p. 739
M. Carbonell, R. Oliver, and J. L. Ballester
DOI: http://dx.doi.org/10.1051/0004-6361:20034630
Abstract | Full HTML | PDF (357 KB) | PS (164 KB) | References | NASA ADS Abstract Service

Tube waves: Exact and approximate     p. 751
M. Stix
DOI: http://dx.doi.org/10.1051/0004-6361:20035820
Abstract | Full HTML | PDF (82.4 KB) | PS (145 KB) | References | NASA ADS Abstract Service

Acceleration of electrons by interacting CMEs     p. 755
M. Vandas, and D. Odstrcil
DOI: http://dx.doi.org/10.1051/0004-6361:20031763
Abstract | Full HTML | PDF (1.57 MB) | PS (1.01 MB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
Effects induced by the passage of the Sun through dense molecular clouds - I. Flow outside of the compressed heliosphere     p. 763
A. Yeghikyan, and H. Fahr
DOI: http://dx.doi.org/10.1051/0004-6361:20034609
Abstract | Full HTML | PDF (181 KB) | PS (81.5 KB) | References | NASA ADS Abstract Service

Size estimates of some optically bright KBOs     p. 771
W. J. Altenhoff, F. Bertoldi, and K. M. Menten
DOI: http://dx.doi.org/10.1051/0004-6361:20035603
Abstract | Full HTML | PDF (93.8 KB) | PS (38.3 KB) | References | NASA ADS Abstract Service

The influence of meteoroid rotation on the diffraction characteristics of underdense radio-meteors     p. 777
G. G. Novikov, P. Pecina, and A. V. Ivanov
DOI: http://dx.doi.org/10.1051/0004-6361:20031716
Abstract | Full HTML | PDF (129 KB) | PS (948 KB) | References | NASA ADS Abstract Service

Attogram dust grains in the solar system - Forming mechanism, properties and dynamics     p. 781
V. P. Vasylyev, A. I. Kalinichenko, and S. V. Vasylyev
DOI: http://dx.doi.org/10.1051/0004-6361:20031777
Abstract | Full HTML | PDF (1.66 MB) | PS (648 KB) | References | NASA ADS Abstract Service