Astronomy & Astrophysics

Table of contents

A&A Vol. 460 No. 3

	Astronomy and Astrophysics
	Vol. 460 No. 3 (December IV 2006)
Cover illustration: Polar projection of ROSAT stars observed in SACY (C. A. O. Torres, et al., p. 697)

Letters

Resolving the inner dust disks surrounding LkCa 15 and MWC 480 at mm wavelengths p. L43
V. Piétu, A. Dutrey, S. Guilloteau, E. Chapillon, and J. Pety
Abstract | Full HTML | PDF file (138 KB) | PS file (78.6 KB) | References

High resolution observations of a starburst at z = 0.223: resolved CO(1-0) structure p. L49
F. Combes, S. García-Burillo, J. Braine, E. Schinnerer, F. Walter, L. Colina, and M. Gerin
Abstract | Full HTML | PDF file (181 KB) | PS file (422 KB) | References

EIT and TRACE responses to flare plasma p. L53
D. Tripathi, G. Del Zanna, H. E. Mason, and C. Chifor
Abstract | Full HTML | PDF file (1.81 MB) | PS file (406 KB) | References

Cosmology (including clusters of galaxies)

A simple analysis of halo density profiles using gravitational lensing time delays p. 647
B. M. Dobke and L. J. King
Abstract | Full HTML | PDF file (470 KB) | PS file (894 KB) | References

Extragalactic astronomy

Properties of X-ray rich gamma ray bursts and X-ray flashes detected with BeppoSAX and Hete-2 p. 653
V. D'Alessio, L. Piro, and E. M. Rossi
Abstract | Full HTML | PDF file (265 KB) | PS file (125 KB) | References | Online Material

Optical and near-infrared simultaneous observations of the BL Lacs PKS 2005-489 and PKS 2155-304 p. 665
T. P. Dominici, Z. Abraham, and A. L. Galo
Abstract | Full HTML | PDF file (337 KB) | PS file (575 KB) | References

Galaxy properties from voids to clusters in the SDSS-DR4 p. 673
G. Sorrentino, V. Antonuccio-Delogu, and A. Rifatto
Abstract | Full HTML | PDF file (206 KB) | PS file (78.7 KB) | References | Online Material

On the narrowband detection properties of high-redshift Lyman-alpha emitters p. 681
M. Hayes and G. Östlin
Abstract | Full HTML | PDF file (329 KB) | PS file (663 KB) | References

Galactic structure, stellar clusters, and populations

Search for associations containing young stars (SACY) - I. Sample and searching method p. 695
C. A. O. Torres, G. R. Quast, L. da Silva, R. de la Reza, C. H. F. Melo, and M. Sterzik
Abstract | Full HTML | PDF file (586 KB) | PS file (370 KB) | References | Online Material

Interstellar and circumstellar matter

Searching for massive pre-stellar cores through observations of N $_\mathsf{2}$ H⁺ and N $_\mathsf{2}$ D⁺ p. 709
F. Fontani, P. Caselli, A. Crapsi, R. Cesaroni, S. Molinari, L. Testi, and J. Brand
Abstract | Full HTML | PDF file (472 KB) | PS file (320 KB) | References | Online Material

SiO and CH $\mathsf$ CCH abundances and dust emission in high-mass star-forming cores p. 721
O. Miettinen, J. Harju, L. K. Haikala, and C. Pomrén
Abstract | Full HTML | PDF file (905 KB) | PS file (615 KB) | References | Online Material

Search for cold debris disks around M-dwarfs p. 733
J.-F. Lestrade, M. C. Wyatt, F. Bertoldi, W. R. F. Dent, and K. M. Menten
Abstract | Full HTML | PDF file (215 KB) | PS file (110 KB) | References

Press release

3.9 day orbital modulation in the TeV $\gamma$ -ray flux and spectrum from the X-ray binary LS 5039 p. 743
F. Aharonian, A. G. Akhperjanian, A. R. Bazer-Bachi, M. Beilicke, W. Benbow, D. Berge, K. Bernlöhr, C. Boisson, O. Bolz, V. Borrel, I. Braun, A. M. Brown, R. Bühler, I. Büsching, S. Carrigan, P. M. Chadwick, L.-M. Chounet, R. Cornils, L. Costamante, B. Degrange, H. J. Dickinson, A. Djannati-Ataï, L. O'C. Drury, G. Dubus, K. Egberts, D. Emmanoulopoulos, P. Espigat, F. Feinstein, E. Ferrero, A. Fiasson, G. Fontaine, Seb. Funk, S. Funk, M. Füßling, Y. A. Gallant, B. Giebels, J. F. Glicenstein, P. Goret, C. Hadjichristidis, D. Hauser, M. Hauser, G. Heinzelmann, G. Henri, G. Hermann, J. A. Hinton, A. Hoffmann, W. Hofmann, M. Holleran, D. Horns, A. Jacholkowska, O. C. de Jager, E. Kendziorra, B. Khélifi, Nu. Komin, A. Konopelko, K. Kosack, I. J. Latham, R. Le Gallou, A. Lemière, M. Lemoine-Goumard, T. Lohse, J. M. Martin, O. Martineau-Huynh, A. Marcowith, C. Masterson, G. Maurin, T. J. L. McComb, E. Moulin, M. de Naurois, D. Nedbal, S. J. Nolan, A. Noutsos, K. J. Orford, J. L. Osborne, M. Ouchrif, M. Panter, G. Pelletier, S. Pita, G. Pühlhofer, M. Punch, B. C. Raubenheimer, M. Raue, S. M. Rayner, A. Reimer, O. Reimer, J. Ripken, L. Rob, L. Rolland, G. Rowell, V. Sahakian, A. Santangelo, L. Saugé, S. Schlenker, R. Schlickeiser, R. Schröder, U. Schwanke, S. Schwarzburg, A. Shalchi, H. Sol, D. Spangler, F. Spanier, R. Steenkamp, C. Stegmann, G. Superina, J.-P. Tavernet, R. Terrier,
M. Tluczykont, C. van Eldik, G. Vasileiadis, C. Venter, P. Vincent, H. J. Völk, S. J. Wagner, and M. Ward
Abstract | Full HTML | PDF file (1.06 MB) | PS file (1.09 MB) | References

Stellar structure and evolution

First Doppler images of the very young K2-dwarf PW Andromedae = HD 1405 p. 751
K. G. Strassmeier and J. B. Rice
Abstract | Full HTML | PDF file (1.06 MB) | PS file (413 KB) | References | Online Material

Asteroseismology and evolutionary status of Procyon A p. 759
J. Provost, G. Berthomieu, M. Martic, and P. Morel
Abstract | Full HTML | PDF file (475 KB) | PS file (191 KB) | References

Observations and analysis of two type IIP supernovae: the intrinsically faint object SN 2005cs and the ambiguous object SN 2005ay p. 769
D. Yu. Tsvetkov, A. A. Volnova, A. P. Shulga, S. A. Korotkiy, A. Elmhamdi, I. J. Danziger, and M. V. Ereshko
Abstract | Full HTML | PDF file (363 KB) | PS file (187 KB) | References

The first orbital solution for the massive colliding-wind binary HD 93162 ( $\equiv$ WR 25) p. 777
R. Gamen, E. Gosset, N. Morrell, V. Niemela, H. Sana, Y. Nazé, G. Rauw, R. Barbá, and G. Solivella
Abstract | Full HTML | PDF file (347 KB) | PS file (247 KB) | References

Barnes-Evans relations for dwarfs with an application to the determination of distances to cataclysmic variables p. 783
K. Beuermann
Abstract | Full HTML | PDF file (288 KB) | PS file (116 KB) | References

Consistent estimates of $\mathsf}$ Ni yields for type Ia supernovae p. 793
M. Stritzinger, P. A. Mazzali, J. Sollerman, and S. Benetti
Abstract | Full HTML | PDF file (136 KB) | PS file (62.0 KB) | References

A search for substellar members in the Praesepe and $\mathsf{\sigma}$ Orionis clusters p. 799
B. M. González-García, M. R. Zapatero Osorio, V. J. S. Béjar, G. Bihain, D. Barrado y Navascués, J. A. Caballero, and M. Morales-Calderón
Abstract | Full HTML | PDF file (7.48 MB) | PS file (6.92 MB) | References | Online Material

XMM-Newton observations of SN 1987 A p. 811
F. Haberl, U. Geppert, B. Aschenbach, and G. Hasinger
Abstract | Full HTML | PDF file (332 KB) | PS file (1.30 MB) | References

Stellar atmospheres

Fe II emission lines in Be stars - I. Empirical diagnostic of physical conditions in the circumstellar discs p. 821
M. L. Arias, J. Zorec, L. Cidale, A. E. Ringuelet, N. I. Morrell, and D. Ballereau
Abstract | Full HTML | PDF file (992 KB) | PS file (836 KB) | References | Online Material

Chemical stratification in the atmosphere of Ap star HD 133792 - Regularized solution of the vertical inversion problem p. 831
O. Kochukhov, V. Tsymbal, T. Ryabchikova, V. Makaganyk, and S. Bagnulo
Abstract | Full HTML | PDF file (2.05 MB) | PS file (1.61 MB) | References

Tests of stellar model atmospheres by optical interferometry - III. NPOI and VINCI interferometry of the M0 giant $\gamma$ Sagittae covering 0.5-2.2 $\mathsf{\mu}$ m p. 843
M. Wittkowski, C. A. Hummel, J. P. Aufdenberg, and V. Roccatagliata
Abstract | Full HTML | PDF file (337 KB) | PS file (175 KB) | References

Tests of stellar model atmospheres by optical interferometry - IV. VINCI interferometry and UVES spectroscopy of Menkar p. 855
M. Wittkowski, J. P. Aufdenberg, T. Driebe, V. Roccatagliata, T. Szeifert, and B. Wolff
Abstract | Full HTML | PDF file (532 KB) | PS file (232 KB) | References

The Sun

Long period variations of dm-radio and X-ray fluxes in three X-class flares p. 865
H. Mészárosová, M. Karlický, J. Rybák, F. Fárník, and K. Jiricka
Abstract | Full HTML | PDF file (494 KB) | PS file (749 KB) | References

Kinematic frames and "active longitudes": does the Sun have a face? p. 875
J. Pelt, J. M. Brooke, M. J. Korpi, and I. Tuominen
Abstract | Full HTML | PDF file (580 KB) | PS file (449 KB) | References

Numerical simulations of vertical oscillations of a multi-stranded coronal loop p. 887
M. Gruszecki, K. Murawski, M. Selwa, and L. Ofman
Abstract | Full HTML | PDF file (3.01 MB) | PS file (1.29 MB) | References

On the period ratio P $\mathsf}$ /2P $\mathsf}$ in the oscillations of coronal loops p. 893
M. P. McEwan, G. R. Donnelly, A. J. Díaz, and B. Roberts
Abstract | Full HTML | PDF file (215 KB) | PS file (95.0 KB) | References | Online Material

Link between the chromospheric network and magnetic structures of the corona p. 901
S. Jendersie and H. Peter
Abstract | Full HTML | PDF file (884 KB) | PS file (294 KB) | References

3D simulations identifying the effects of varying the twist and field strength of an emerging flux tube p. 909
M. J. Murray, A. W. Hood, F. Moreno-Insertis, K. Galsgaard, and V. Archontis
Abstract | Full HTML | PDF file (804 KB) | PS file (743 KB) | References

The multi-component field topology of sunspot penumbrae - A diagnostic tool for spectropolarimetric measurements p. 925
D. A. N. Müller, R. Schlichenmaier, G. Fritz, and C. Beck
Abstract | Full HTML | PDF file (1.65 MB) | PS file (3.68 MB) | References | Online Material

Planets and planetary systems

The dust coma of the active Centaur P/2004 A1 (LONEOS): a CO-driven environment? p. 935
E. Mazzotta Epifani, P. Palumbo, M. T. Capria, G. Cremonese, M. Fulle, and L. Colangeli
Abstract | Full HTML | PDF file (848 KB) | PS file (884 KB) | References

Physical characterization of the Karin family p. 945
P. Vernazza, M. Birlan, A. Rossi, E. Dotto, D. Nesvorny, R. Brunetto, S. Fornasier, M. Fulchignoni, and S. Renner
Abstract | Full HTML | PDF file (536 KB) | PS file (199 KB) | References | Online Material

Atomic, molecular, and nuclear data

Collisional excitation of monodeuterated ammonia NH $\mathsf}$ D by helium p. 953
L. Machin and E. Roueff
Abstract | Full HTML | PDF file (134 KB) | PS file (65.1 KB) | References

Energy levels and radiative rates for transitions in Ni XIX p. 959
K. M. Aggarwal and F. P. Keenan
Abstract | Full HTML | PDF file (110 KB) | PS file (56.0 KB) | References

Astronomy and Astrophysics