Astronomy & Astrophysics

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A&A Vol. 416 No. 2

	Astronomy and Astrophysics
	Vol. 416 No. 2 (March III 2004)
Cover illustration: Meteor showers from the same comet on Venus, Earth and Mars (Selsis, F., et al., p. 786)

Letters

The nature of the Ly $\mathsf{\alpha}$ -emission region of FDF-4691 p. L1
C. Tapken, I. Appenzeller, D. Mehlert, S. Noll and S. Richling
Abstract | References | Full HTML | PDF file (156 KB) | PS file (259 KB)

Far Ultraviolet Spectroscopy of HD 76534 p. L5
C. Martin, J.-C. Bouret, M. Deleuil, T. Simon and C. Catala
Abstract | References | Full HTML | PDF file (166 KB) | PS file (287 KB)

Astrophysical processes

Galactic magnetic field generation by the electric current of cosmic rays p. 411
A. Z. Dolginov and I. N. Toptygin
Abstract | References | Full HTML | PDF file (161 KB) | PS file (72.9 KB)

A model for electromagnetic extraction of rotational energy and formation of accretion-powered jets in radio galaxies p. 423
A. Hujeirat
Abstract | References | Full HTML | PDF file (2.52 MB) | PS file (1.01 MB) | Online Material

Research Note:

Pair production by photons in a hot Maxwellian plasma p. 437
E. Haug
Abstract | References | Full HTML | PDF file (91.2 KB) | PS file (43.7 KB)

Cosmology (including clusters of galaxies)

On the L $\mathsf{_x - \sigma_{v}}$ relation of groups of galaxies p. 441
M. Plionis and H. M. Tovmassian
Abstract | References | Full HTML | PDF file (318 KB) | PS file (116 KB)

CMB observations and the production of chemical elements at the end of the dark ages p. 447
K. Basu, C. Hernández-Monteagudo and R. A. Sunyaev
Abstract | References | Full HTML | PDF file (1.00 MB) | PS file (433 KB)

Extragalactic astronomy

The dynamical mass of the young cluster W3 in NGC 7252 - Heavy-weight globular cluster or ultra compact dwarf galaxy? p. 467
C. Maraston, N. Bastian, R. P. Saglia, M. Kissler-Patig, F. Schweizer and P. Goudfrooij
Abstract | References | Full HTML | PDF file (1.69 MB) | PS file (5.13 MB)

Long slit spectroscopy of a sample of isolated spirals with and without an AGN p. 475
I. Márquez, F. Durret, J. Masegosa, M. Moles, J. Varela, R. M. González Delgado, J. Maza, E. Pérez and M. Roth
Abstract | References | Full HTML | PDF file (3.08 MB) | PS file (7.62 MB) | Online Material

HI holes in galactic disks: Tracing the dark matter distribution p. 499
E. I. Vorobyov and Yu. A. Shchekinov
Abstract | References | Full HTML | PDF file (158 KB) | PS file (160 KB)

Minor-axis velocity gradients in disk galaxies $^{\bf ,}$ p. 507
L. Coccato, E. M. Corsini, A. Pizzella, L. Morelli, J. G. Funes S. J. and F. Bertola
Abstract | References | Full HTML | PDF file (516 KB) | PS file (266 KB) | Online Material

Starbursts in barred spiral galaxies - VI. HI observations and the K-band Tully-Fisher relation p. 515
E. Davoust and T. Contini
Abstract | References | Full HTML | PDF file (573 KB) | PS file (177 KB)

XMM-Newton observations of the ultraluminous nuclear X-ray source in M 33 p. 529
L. Foschini, J. Rodriguez, Y. Fuchs, L. C. Ho, M. Dadina, G. Di Cocco, T. J.-L. Courvoisier and G. Malaguti
Abstract | References | Full HTML | PDF file (201 KB) | PS file (116 KB)

The structure and environment of young stellar clusters in spiral galaxies p. 537
S. S. Larsen
Abstract | References | Full HTML | PDF file (429 KB) | PS file (278 KB)

Galactic structure, stellar clusters and populations

The brown dwarf population in the Chamaeleon I cloud p. 555
B. López Martí, J. Eislöffel, A. Scholz and R. Mundt
Abstract | References | Full HTML | PDF file (1.03 MB) | PS file (621 KB)

Interstellar and circumstellar matter

The H $\mathsf$ CO abundance in the inner warm regions of low mass protostellar envelopes p. 577
S. Maret, C. Ceccarelli, E. Caux, A. G. G. M. Tielens, J. K. Jørgensen, E. van Dishoeck, A. Bacmann, A. Castets, B. Lefloch, L. Loinard, B. Parise and F. L. Schöier
Abstract | References | Full HTML | PDF file (956 KB) | PS file (516 KB) | Online Material

Constraints on the diffusive shock acceleration from the nonthermal X-ray thin shells in SN 1006 NE rim p. 595
R. Yamazaki, T. Yoshida, T. Terasawa, A. Bamba and K. Koyama
Abstract | References | Full HTML | PDF file (209 KB) | PS file (89.4 KB)

Molecular inventories and chemical evolution of low-mass protostellar envelopes p. 603
J. K. Jørgensen, F. L. Schöier and E. F. van Dishoeck
Abstract | References | Full HTML | PDF file (935 KB) | PS file (449 KB) | Online Material

On expansion parallax distances for planetary nebulae p. 623
G. Mellema
Abstract | References | Full HTML | PDF file (137 KB) | PS file (55.1 KB)

L1157: Interaction of the molecular outflow with the Class 0 environment p. 631
M. T. Beltrán, F. Gueth, S. Guilloteau and A. Dutrey
Abstract | References | Full HTML | PDF file (651 KB) | PS file (588 KB)

Stellar structure and evolution

Survey of long-term variability of stars - I. Reliability of magnitudes in old star catalogues p. 641
T. Fujiwara, H. Yamaoka and S. J. Miyoshi
Abstract | References | Full HTML | PDF file (107 KB) | PS file (44.8 KB)

A young and complex binary star - HD 144432 p. 647
M. R. Pérez, M. E. van den Ancker, D. de Winter and B. W. Bopp
Abstract | References | Full HTML | PDF file (406 KB) | PS file (8.06 MB)

Atomic lines in infrared spectra for ultracool dwarfs p. 655
Y. Lyubchik, H. R. A. Jones, Y. V. Pavlenko, S. Viti, J. C. Pickering and R. Blackwell-Whitehead
Abstract | References | Full HTML | PDF file (1.71 MB) | PS file (766 KB) | Online Material

Orbital solutions for SB2 systems with a HgMn component p. 661
G. Catanzaro and P. Leto
Abstract | References | Full HTML | PDF file (231 KB) | PS file (146 KB) | Online Material

Properties and nature of Be stars - XXII. Long-term light and spectral variations of the new bright Be star p. 669
H. Bozic, P. Harmanec, S. Yang, J. Ziznovský, J. R. Percy, D. Ruzdjak, D. Sudar, M. Slechta, P. Skoda, J. Krpata and C. Buil
Abstract | References | Full HTML | PDF file (497 KB) | PS file (393 KB)

Multi-wavelength observations of the star forming region in L1616 p. 677
J. M. Alcalá, S. Wachter, E. Covino, M. F. Sterzik, R. H. Durisen, M. J. Freyberg, D. W. Hoard and K. Cooksey
Abstract | References | Full HTML | PDF file (1.33 MB) | PS file (331 KB)

Two spectral states of the transient X-ray burster SAX J1747.0-2853 p. 699
L. Natalucci, A. Bazzano, M. Cocchi, P. Ubertini, R. Cornelisse, J. Heise and J. J. M. in' t Zand
Abstract | References | Full HTML | PDF file (152 KB) | PS file (78.8 KB)

Stellar atmospheres

Radiative accelerations in stars: The effects of magnetic polarisation revisited p. 703
G. Alecian and M. J. Stift
Abstract | References | Full HTML | PDF file (310 KB) | PS file (728 KB)

Flares from small to large: X-ray spectroscopy of Proxima Centauri with XMM-Newton p. 713
M. Güdel, M. Audard, F. Reale, S. L. Skinner and J. L. Linsky
Abstract | References | Full HTML | PDF file (520 KB) | PS file (256 KB)

Modeling an X-ray flare on Proxima Centauri: Evidence of two flaring loop components and of two heating mechanisms at work p. 733
F. Reale, M. Güdel, G. Peres and M. Audard
Abstract | References | Full HTML | PDF file (691 KB) | PS file (540 KB)

The Sun

Spectroscopic measurement of the plasma electron density and outflow velocity in a polar coronal hole p. 749
E. Antonucci, M. A. Dodero, S. Giordano, V. Krishnakumar and G. Noci
Abstract | References | Full HTML | PDF file (258 KB) | PS file (108 KB)

Evidence for magnetic reconnection in the high corona p. 759
G. M. Simnett
Abstract | References | Full HTML | PDF file (629 KB) | PS file (658 KB)

Improved data for solar flare X-ray spectral analysis p. 765
K. J. H. Phillips, J. A. Rainnie, L. K. Harra, J. Dubau, F. P. Keenan and N. J. Peacock
Abstract | References | Full HTML | PDF file (191 KB) | PS file (114 KB)

The influence of density stratification and multiple nonlinearities on solar torsional oscillations p. 775
E. Covas, D. Moss and R. Tavakol
Abstract | References | Full HTML | PDF file (186 KB) | PS file (131 KB)

Planets and planetary systems

Meteor showers of cometary origin in the Solar System: Revised predictions p. 783
F. Selsis, J. Brillet and M. Rapaport
Abstract | References | Full HTML | PDF file (263 KB) | PS file (389 KB) | Online Material

Aqueous altered silicates at the surface of two Plutinos? p. 791
C. de Bergh, H. Boehnhardt, M. A. Barucci, M. Lazzarin, S. Fornasier, J. Romon-Martin, G. P. Tozzi, A. Doressoundiram and E. Dotto
Abstract | References | Full HTML | PDF file (230 KB) | PS file (91.5 KB)

Celestial mechanics and astrometry

A comment on "Accurate spin axes and solar system dynamics: Climatic variations for the Earth and Mars" p. 799
J. Laskar
Abstract | References | Full HTML | PDF file (65.9 KB) | PS file (61.4 KB)

Atomic, molecular and nuclear data

Molecular complexes theoretical computations between methanol and carbon dioxide and their implications in the interstellar ice mantles p. 801
A. Klotz, T. Ward and E. Dartois
Abstract | References | Full HTML | PDF file (177 KB) | PS file (93.6 KB)

Instruments, observational techniques, and data processing

Reduction of CCD observations of visual binaries using the "Tepui" function as PSF p. 811
C. Abad, J. A. Docobo, V. Lanchares, J. F. Lahulla, P. Abelleira, J. Blanco and C. Alvarez
Abstract | References | Full HTML | PDF file (192 KB) | PS file (86.3 KB)

Astronomy and Astrophysics