Astronomy & Astrophysics

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A&A Vol. 421 No. 2

	Astronomy and Astrophysics
	Vol. 421 No. 2 (July II 2004)
Cover illustration: The Canis Major stellar over-density as due to the Galactic warp (Momany, Y., et al., p. L31)

Letters

Broadband X-ray spectrum of GRS 1734-292, a luminous Seyfert 1 galaxy behind the Galactic Center p. L21
S. Yu. Sazonov, M. G. Revnivtsev, A. A. Lutovinov, R. A. Sunyaev and S. A. Grebenev
Abstract | Full HTML | PDF file (125 KB) | PS file (245 KB) | References

S-process in hot AGB stars: A complex interplay between diffusive mixing and nuclear burning p. L25
S. Goriely and L. Siess
Abstract | Full HTML | PDF file (205 KB) | PS file (690 KB) | References

Probing the Canis Major stellar over-density as due to the Galactic warp p. L29
Y. Momany, S. R. Zaggia, P. Bonifacio, G. Piotto, F. De Angeli, L. R. Bedin and G. Carraro
Abstract | Full HTML | PDF file (1.58 MB) | PS file (1.10 MB) | References

Vertical oscillations of a coronal loop observed by TRACE p. L33
T. J. Wang and S. K. Solanki
Abstract | Full HTML | PDF file (763 KB) | PS file (959 KB) | References

Astrophysical processes

Velocity centroids and the structure of interstellar turbulence - I. Analytical study p. 387
F. Levrier
Abstract | Full HTML | PDF file (240 KB) | PS file (362 KB) | References | Online Material

Search for low energy $\nu$ in correlation with the 8 events observed by the EXPLORER and NAUTILUS detectors in 2001 p. 399
M. Aglietta, P. Antonioli, G. Bari, C. Castagnoli, W. Fulgione, P. Galeotti, M. Garbini, P. L. Ghia, P. Giusti, F. Gomez, E. Kemp, A. S. Malguin, H. Menghetti, A. Porta, A. Pesci, I. A. Pless, V. G. Ryasny, O. G. Ryazhskaya, O. Saavedra, G. Sartorelli, M. Selvi, D. Telloni, C. Vigorito, L. Votano, V. F. Yakushev, G. T. Zatsepin and A. Zichichi
Abstract | Full HTML | PDF file (160 KB) | PS file (72.5 KB) | References | Online Material

Cosmology (including clusters of galaxies)

The field surrounding NGC 7603: Cosmological or non-cosmological redshifts? p. 407
M. López-Corredoira and C. M. Gutiérrez
Abstract | Full HTML | PDF file (950 KB) | PS file (1.52 MB) | References

Non-Markov excursion set model of dark matter halo abundances p. 425
G. Amosov and P. Schuecker
Abstract | Full HTML | PDF file (269 KB) | PS file (101 KB) | References | Online Material

Extragalactic astronomy

Structure and kinematics of candidate double-barred galaxies p. 433
A. V. Moiseev, J. R. Valdés and V. H. Chavushyan
Abstract | Full HTML | PDF file (1.43 MB) | PS file (4.27 MB) | References | Online Material

Investigation of radio sources from the interplanetary scintillation Pushchino Survey - II. Optical identification p. 455
A. I. Kopylov, V. S. Artyukh and F. G. Kopylova
Abstract | Full HTML | PDF file (155 KB) | PS file (71.4 KB) | References

XMM-Newton discovery of a Compton-thick AGN in the GPS galaxy Mkn 668 p. 461
M. Guainazzi, A. Siemiginowska, P. Rodriguez-Pascual and C. Stanghellini
Abstract | Full HTML | PDF file (288 KB) | PS file (105 KB) | References

The complex X-ray spectrum of NGC 4507 p. 473
G. Matt, S. Bianchi, F. D'Ammando and A. Martocchia
Abstract | Full HTML | PDF file (146 KB) | PS file (69.2 KB) | References

The early build-up of dust in galaxies: A study of damped Ly $\alpha$ systems p. 479
G. Vladilo
Abstract | Full HTML | PDF file (286 KB) | PS file (106 KB) | References

The HELLAS2XMM survey - VI. X-ray absorption in the 1df AGN sample through a spectral analysis p. 491
G. C. Perola, S. Puccetti, F. Fiore, N. Sacchi, M. Brusa, F. Cocchia, A. Baldi, N. Carangelo, P. Ciliegi, A. Comastri, F. La Franca, R. Maiolino, G. Matt, M. Mignoli, S. Molendi and C. Vignali
Abstract | Full HTML | PDF file (250 KB) | PS file (127 KB) | References

FUSE search for 10 $\mathsf$ -10 $\mathsf$ K gas in the rich clusters of galaxies Abell 2029 and Abell 3112 p. 503
A. Lecavelier des Etangs, Gopal-Krishna and F. Durret
Abstract | Full HTML | PDF file (149 KB) | PS file (58.6 KB) | References

Variable stars towards the bulge of M 31: The AGAPE catalogue p. 509
R. Ansari, M. Aurière, P. Baillon, A. Bouquet, G. Coupinot, Ch. Coutures, C. Ghesquière, Y. Giraud-Héraud, D. Gillieron, P. Gondolo, J. Hecquet, J. Kaplan, A. Kim, Y. Le Du, A. L. Melchior, M. Moniez, J. P. Picat and G. Soucail
Abstract | Full HTML | PDF file (219 KB) | PS file (95.2 KB) | References

Pox 186: An ultracompact galaxy with dominant ionized gas emission p. 519
N. G. Guseva, P. Papaderos, Y. I. Izotov, K. G. Noeske and K. J. Fricke
Abstract | Full HTML | PDF file (1.81 MB) | PS file (2.30 MB) | References

Observations of 54 Active Galactic Nuclei with the HEGRA system of Cherenkov telescopes p. 529
F. Aharonian, A. Akhperjanian, M. Beilicke, K. Bernlöhr, H.-G. Börst, H. Bojahr, O. Bolz, T. Coarasa, J. L. 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. Konopelko, H. Kornmeyer, D. Kranich, H. Lampeitl, M. Lopez, E. Lorenz, F. Lucarelli, O. Mang, D. Mazin, H. Meyer, R. Mirzoyan, A. Moralejo, E. Ona-Wilhelmi, M. Panter, A. Plyasheshnikov, G. Pühlhofer, R. de los Reyes, W. Rhode, J. Ripken, G. 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 (159 KB) | PS file (74.5 KB) | References

Deep VLT spectroscopy of the blue compact dwarf galaxies Tol 1214-277 and Tol 65 p. 539
Y. I. Izotov, P. Papaderos, N. G. Guseva, K. J. Fricke and T. X. Thuan
Abstract | Full HTML | PDF file (889 KB) | PS file (3.65 MB) | References

The role of dust in "active" and "passive" low-metallicity star formation p. 555
H. Hirashita and L. K. Hunt
Abstract | Full HTML | PDF file (472 KB) | PS file (187 KB) | References

Magnetic fields in barred galaxies - III. The southern peculiar galaxy NGC 2442 p. 571
J. Harnett, M. Ehle, A. Fletcher, R. Beck, R. Haynes, S. Ryder, M. Thierbach and R. Wielebinski
Abstract | Full HTML | PDF file (816 KB) | PS file (803 KB) | References

Collisionless evaporation from cluster elliptical galaxies - A contributor to the intracluster stellar population p. 583
V. Muccione and L. Ciotti
Abstract | Full HTML | PDF file (640 KB) | PS file (217 KB) | References

Deprojecting spiral galaxies using Fourier analysis. Application to the Ohio sample p. 595
C. García-Gómez, C. Barberà, E. Athanassoula, A. Bosma and L. Whyte
Abstract | Full HTML | PDF file (161 KB) | PS file (61.0 KB) | References

Galactic structure, stellar clusters and populations

The distance to NGC 5904 (M 5) via the subdwarf main sequence fitting method p. 603
V. Testa, A. Chieffi, M. Limongi, G. Andreuzzi and G. Marconi
Abstract | Full HTML | PDF file (2.35 MB) | PS file (510 KB) | References

The evolution of the Milky Way from its earliest phases: Constraints on stellar nucleosynthesis p. 613
P. François, F. Matteucci, R. Cayrel, M. Spite, F. Spite and C. Chiappini
Abstract | Full HTML | PDF file (706 KB) | PS file (319 KB) | References

The young stellar population in the Serpens Cloud Core: An ISOCAM survey p. 623
A. A. Kaas, G. Olofsson, S. Bontemps, P. André, L. Nordh, M. Huldtgren, T. Prusti, P. Persi, A. J. Delgado, F. Motte, A. Abergel, F. Boulanger, M. Burgdorf, M. M. Casali, C. J. Cesarsky, J. Davies, E. Falgarone, T. Montmerle, M. Perault, J. L. Puget and F. Sibille
Abstract | Full HTML | PDF file (1.37 MB) | PS file (1.40 MB) | References | Online Material

New nearby stars in the Liverpool-Edinburgh high proper motion survey selected by DENIS photometry p. 643
C. Reylé and A. C. Robin
Abstract | Full HTML | PDF file (546 KB) | PS file (89.0 KB) | References

Galactic evolution of nitrogen p. 649
G. Israelian, A. Ecuvillon, R. Rebolo, R. García-López, P. Bonifacio and P. Molaro
Abstract | Full HTML | PDF file (569 KB) | PS file (198 KB) | References

A cool disk in the Galactic Center? p. 659
B. F. Liu, F. Meyer and E. Meyer-Hofmeister
Abstract | Full HTML | PDF file (201 KB) | PS file (409 KB) | References

Research Note:

Discovery of a variable star population in NGC 2808 p. 667
T. Michael Corwin, M. Catelan, J. Borissova and H. A. Smith
Abstract | Full HTML | PDF file (255 KB) | PS file (226 KB) | References

Stellar structure and evolution

Discovery of the optical counterpart to the X-ray pulsar SAX J2103.5+4545 p. 673
P. Reig, I. Negueruela, J. Fabregat, R. Chato, P. Blay and F. Mavromatakis
Abstract | Full HTML | PDF file (325 KB) | PS file (245 KB) | References

Ellipticity and deviations from orthogonality in the polarization modes of PSR B0329+54 p. 681
R. T. Edwards and B. W. Stappers
Abstract | Full HTML | PDF file (785 KB) | PS file (9.81 MB) | References | Online Material

Early-type stars in the young open cluster IC 1805 - I. The SB2 system BD $\mathsf{+60^{\circ}\,497}$ and the probably single stars BD $\mathsf{+60^{\circ}\,501}$ and BD $\mathsf{+60^{\circ}\,513}$ p. 693
G. Rauw and M. De Becker
Abstract | Full HTML | PDF file (277 KB) | PS file (100 KB) | References

Interferometric observations of the Mira star o Ceti with the VLTI/VINCI instrument in the near-infrared p. 703
H. C. Woodruff, M. Eberhardt, T. Driebe, K.-H. Hofmann, K. Ohnaka, A. Richichi, D. Schertl, M. Schöller, M. Scholz, G. Weigelt, M. Wittkowski and P. R. Wood
Abstract | Full HTML | PDF file (347 KB) | PS file (147 KB) | References

Stellar atmospheres

XMM-Newton observations of the $\sigma$ Ori cluster - I. The complex RGS spectrum of the hot star $\sigma$ Ori AB p. 715
J. Sanz-Forcada, E. Franciosini and R. Pallavicini
Abstract | Full HTML | PDF file (678 KB) | PS file (427 KB) | References

The Sun

A model to interpret the intensity-velocity and velocity-velocity phase differences from solar observations obtained with magneto-optical filters p. 729
P. F. Moretti and G. Severino
Abstract | Full HTML | PDF file (1.67 MB) | PS file (855 KB) | References

On the geometry of sunspot penumbral filaments p. 735
W. Schmidt and G. Fritz
Abstract | Full HTML | PDF file (251 KB) | PS file (119 KB) | References

Approximations for non-grey radiative transfer in numerical simulations of the solar photosphere p. 741
A. Vögler, J. H. M. J. Bruls and M. Schüssler
Abstract | Full HTML | PDF file (634 KB) | PS file (514 KB) | References

Effects of non-grey radiative transfer on 3D simulations of solar magneto-convection p. 755
A. Vögler
Abstract | Full HTML | PDF file (1.35 MB) | PS file (719 KB) | References

Celestial mechanics and astrometry

The Liverpool-Edinburgh high proper motion catalogue p. 763
R. S. Pokorny, H. R. A. Jones, N. C. Hambly and D. J. Pinfield
Abstract | Full HTML | PDF file (1.85 MB) | PS file (893 KB) | References

Numerical escape criteria for a symmetric four-body model p. 771
A. Széll, B. Steves and B. Érdi
Abstract | Full HTML | PDF file (325 KB) | PS file (101 KB) | References

Astronomy and Astrophysics