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Astronomy and Astrophysics

Vol. 468, No. 3 (June IV 2007)

Aerial view of the IRAM Plateau de Bure interferometer (B. Rossini) See our special feature on the IRAM/Plateau de Bure interferometer (pp. L29-L76)
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Extended baselines for the IRAM Plateau de Bure interferometer: First results

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Editorial
EDITORIAL     p. E5
M. Walmsley and C. Bertout
DOI: http://dx.doi.org/10.1051/0004-6361:20077417
Abstract | Full HTML | PDF (17.50 KB) | PS (6.746 KB) | NASA ADS Abstract Service

PdBI sub-arcsecond study of the SiO microjet in HH212 - Origin and collimation of class 0 jets     p. L29
S. Cabrit, C. Codella, F. Gueth, B. Nisini, A. Gusdorf, C. Dougados, and F. Bacciotti
DOI: http://dx.doi.org/10.1051/0004-6361:20077387
Abstract | Full HTML | PDF (241.3 KB) | PS (176.8 KB) | References | NASA ADS Abstract Service

The IC1396N proto-cluster at a scale of ~250 AU     p. L33
R. Neri, A. Fuente, C. Ceccarelli, P. Caselli, D. Johnstone, E. F. van Dishoeck, F. Wyrowski, M. Tafalla, B. Lefloch, and R. Plume
DOI: http://dx.doi.org/10.1051/0004-6361:20077320
Abstract | Full HTML | PDF (1.610 MB) | PS (2.247 MB) | References | NASA ADS Abstract Service

Protostellar clusters in intermediate mass (IM) star forming regions     p. L37
A. Fuente, C. Ceccarelli, R. Neri, T. Alonso-Albi, P. Caselli, D. Johnstone, E. F. van Dishoeck, and F. Wyrowski
DOI: http://dx.doi.org/10.1051/0004-6361:20077297
Abstract | Full HTML | PDF (1.062 MB) | PS (3.953 MB) | References | NASA ADS Abstract Service

Minkowski's footprint revisited - Planetary nebula formation from a single sudden event?     p. L41
J. Alcolea, R. Neri, and V. Bujarrabal
DOI: http://dx.doi.org/10.1051/0004-6361:20066956
Abstract | Full HTML | PDF (426.1 KB) | PS (1.870 MB) | References | NASA ADS Abstract Service

The nebula around the post-AGB star 89 Herculis     p. L45
V. Bujarrabal, H. Van Winckel, R. Neri, J. Alcolea, A. Castro-Carrizo, and P. Deroo
DOI: http://dx.doi.org/10.1051/0004-6361:20066969
Abstract | Full HTML | PDF (442.7 KB) | PS (1.431 MB) | References | NASA ADS Abstract Service

Jet-disturbed molecular gas near the Seyfert 2 nucleus in M 51     p. L49
S. Matsushita, S. Muller, and J. Lim
DOI: http://dx.doi.org/10.1051/0004-6361:20067039
Abstract | Full HTML | PDF (194.5 KB) | PS (173.9 KB) | References | NASA ADS Abstract Service

Distribution of the molecular absorption in front of the quasar B0218+357     p. L53
S. Muller, M. Guélin, F. Combes, and T. Wiklind
DOI: http://dx.doi.org/10.1051/0004-6361:20077310
Abstract | Full HTML | PDF (187.8 KB) | PS (139.0 KB) | References | NASA ADS Abstract Service

Black hole in the West nucleus of Arp 220     p. L57
D. Downes and A. Eckart
DOI: http://dx.doi.org/10.1051/0004-6361:20077301
Abstract | Full HTML | PDF (356.2 KB) | PS (285.4 KB) | References | NASA ADS Abstract Service

Molecular gas in NUclei of GAlaxies (NUGA): VI. Detection of a molecular gas disk/torus via HCN in the Seyfert 2 galaxy NGC 6951?     p. L63
M. Krips et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066785
Abstract | Full HTML | PDF (286.4 KB) | PS (898.5 KB) | References | NASA ADS Abstract Service

Sub-arcsecond CO(1–0) and CO(2–1) observations of the ultraluminous infrared galaxy IRAS 10190+1322     p. L67
J. Graciá-Carpio, P. Planesas, and L. Colina
DOI: http://dx.doi.org/10.1051/0004-6361:20077448
Abstract | Full HTML | PDF (211.4 KB) | PS (600.2 KB) | References | NASA ADS Abstract Service

Fueling the central engine of radio galaxies - I. The molecular/dusty disk of 4C 31.04     p. L71
S. García-Burillo, F. Combes, R. Neri, A. Fuente, A. Usero, S. Leon, and J. Lim
DOI: http://dx.doi.org/10.1051/0004-6361:20077599
Abstract | Full HTML | PDF (166.2 KB) | PS (629.3 KB) | References | NASA ADS Abstract Service




-  Astrophysical processes
The double Compton emissivity in a mildly relativistic thermal plasma within the soft photon limit     p. 785
J. Chluba, S. Yu. Sazonov, and R. A. Sunyaev
DOI: http://dx.doi.org/10.1051/0004-6361:20066701
Abstract | Full HTML | PDF (282.9 KB) | PS (184.1 KB) | References | NASA ADS Abstract Service

A generalized -law - The role of unphysical source terms in resonance line polarization transfer and its importance as an additional test of NLTE radiative transfer codes     p. 797
J. Štěpán and V. Bommier
DOI: http://dx.doi.org/10.1051/0004-6361:20066507
Abstract | Full HTML | PDF (104.7 KB) | PS (58.72 KB) | References | NASA ADS Abstract Service

Jeans instability of a galactic disk embedded in a live dark halo     p. 803
O. Esquivel and B. Fuchs
DOI: http://dx.doi.org/10.1051/0004-6361:20077372
Abstract | Full HTML | PDF (82.49 KB) | PS (41.29 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
A galaxy overdensity at z = 0.401 associated with an X-ray emitting structure of warm-hot intergalactic medium     p. 807
F. Mannucci, G. Bonnoli, L. Zappacosta, R. Maiolino, and M. Pedani
DOI: http://dx.doi.org/10.1051/0004-6361:20066591
Abstract | Full HTML | PDF (486.9 KB) | PS (364.2 KB) | References | Tables at CDS | NASA ADS Abstract Service

The kinematics of intracluster planetary nebulae and the on-going subcluster merger in the Coma cluster core     p. 815
O. Gerhard, M. Arnaboldi, K. C. Freeman, S. Okamura, N. Kashikawa, and N. Yasuda
DOI: http://dx.doi.org/10.1051/0004-6361:20066484
Abstract | Full HTML | PDF (612.8 KB) | PS (640.0 KB) | References | NASA ADS Abstract Service

Cosmic shear analysis of archival HST/ACS data - I. Comparison of early ACS pure parallel data to the HST/GEMS survey     p. 823
T. Schrabback et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065898
Abstract | Full HTML | PDF (2.222 MB) | PS (2.134 MB) | References | NASA ADS Abstract Service

Possible non-thermal nature of the soft-excess emission in the cluster of galaxies Sérsic 159-03     p. 849
N. Werner, J. S. Kaastra, Y. Takei, R. Lieu, J. Vink, and T. Tamura
DOI: http://dx.doi.org/10.1051/0004-6361:20077211
Abstract | Full HTML | PDF (624.7 KB) | PS (513.1 KB) | References | Online Material | NASA ADS Abstract Service

GaBoDS: The Garching-Bonn deep survey - VII. Cosmic shear analysis     p. 859
M. Hetterscheidt, P. Simon, M. Schirmer, H. Hildebrandt, T. Schrabback, T. Erben, and P. Schneider
DOI: http://dx.doi.org/10.1051/0004-6361:20065885
Abstract | Full HTML | PDF (1.852 MB) | PS (1.123 MB) | References | Online Material | NASA ADS Abstract Service


-  Extragalactic astronomy
High-redshift Lyα emitters with a large equivalent width - Properties of i-dropout galaxies with an NB921-band depression in the Subaru deep field     p. 877
T. Nagao et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066177
Abstract | Full HTML | PDF (419.1 KB) | PS (1.032 MB) | References | NASA ADS Abstract Service

Multi-wavelength study of the gravitational lens system RXS J1131-1231 - III. Long slit spectroscopy: micro-lensing probes the QSO structure     p. 885
D. Sluse, J.-F. Claeskens, D. Hutsemékers, and J. Surdej
DOI: http://dx.doi.org/10.1051/0004-6361:20066821
Abstract | Full HTML | PDF (1.463 MB) | PS (1.498 MB) | References | NASA ADS Abstract Service

Kinematic modelling of disk galaxies - II. A case-study of symmetrically warped galaxy disks     p. 903
G. I. G. Józsa
DOI: http://dx.doi.org/10.1051/0004-6361:20066165
Abstract | Full HTML | PDF (7.905 MB) | PS (12.45 MB) | References | Online Material | NASA ADS Abstract Service

Gamma-ray absorption method (GRAM) application to the identification of EGRET unidentified sources     p. 919
A. F. Iyudin, V. Burwitz, J. Greiner, S. Larsson, and A. Küpcü Yoldas
DOI: http://dx.doi.org/10.1051/0004-6361:20066890
Abstract | Full HTML | PDF (743.7 KB) | PS (388.9 KB) | References | NASA ADS Abstract Service

Effects of the galactic winds on the stellar metallicity distribution of dwarf spheroidal galaxies     p. 927
G. A. Lanfranchi and F. Matteucci
DOI: http://dx.doi.org/10.1051/0004-6361:20066576
Abstract | Full HTML | PDF (211.9 KB) | PS (71.58 KB) | References | NASA ADS Abstract Service

Morphological evolution of z ~ 1 galaxies from deep K-band AO imaging in the COSMOS deep field     p. 937
M. Huertas-Company, D. Rouan, G. Soucail, O. Le Fèvre, L. Tasca, and T. Contini
DOI: http://dx.doi.org/10.1051/0004-6361:20066673
Abstract | Full HTML | PDF (1.097 MB) | PS (1.081 MB) | References | Online Material | NASA ADS Abstract Service

Kinematics of diffuse ionized gas in the disk halo interface of NGC 891 from Fabry-Pérot observations     p. 951
P. Kamphuis, R. F. Peletier, R.-J. Dettmar, J. M. van der Hulst, P. C. van der Kruit, and R. J. Allen
DOI: http://dx.doi.org/10.1051/0004-6361:20066989
Abstract | Full HTML | PDF (1.997 MB) | PS (1.830 MB) | References | NASA ADS Abstract Service

Multi-epoch VLBA observations of 3C 66A     p. 963
H.-B. Cai, Z.-Q. Shen, H. Sudou, L.-L. Shang, S. Iguchi, Y. Murata, Y. Taniguchi, K. Wakamatsu, and H. Takaba
DOI: http://dx.doi.org/10.1051/0004-6361:20077155
Abstract | Full HTML | PDF (493.6 KB) | PS (219.4 KB) | References | NASA ADS Abstract Service

The blue plume population in dwarf spheroidal galaxies - Genuine blue stragglers or young stellar population?     p. 973
Y. Momany, E. V. Held, I. Saviane, S. Zaggia, L. Rizzi, and M. Gullieuszik
DOI: http://dx.doi.org/10.1051/0004-6361:20067024
Abstract | Full HTML | PDF (916.8 KB) | PS (397.1 KB) | References | NASA ADS Abstract Service

Dust covering factor, silicate emission, and star formation in luminous QSOs     p. 979
R. Maiolino, O. Shemmer, M. Imanishi, H. Netzer, E. Oliva, D. Lutz, and E. Sturm
DOI: http://dx.doi.org/10.1051/0004-6361:20077252
Abstract | Full HTML | PDF (380.2 KB) | PS (179.8 KB) | References | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
The distance and neutral environment of the massive stellar cluster Westerlund 1     p. 993
R. Kothes and S. M. Dougherty
DOI: http://dx.doi.org/10.1051/0004-6361:20077309
Abstract | Full HTML | PDF (893.6 KB) | PS (410.7 KB) | References | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
A multiwavelength study of the ultracompact HII region associated with IRAS 20178+4046     p. 1001
A. Tej, S. K. Ghosh, V. K. Kulkarni, D. K. Ojha, R. P. Verma, and S. Vig
DOI: http://dx.doi.org/10.1051/0004-6361:20066462
Abstract | Full HTML | PDF (377.1 KB) | PS (302.3 KB) | References | Tables at CDS | NASA ADS Abstract Service

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Star formation in Perseus - II. SEDs, classification, and lifetimes     p. 1009
J. Hatchell, G. A. Fuller, J. S. Richer, T. J. Harries, and E. F. Ladd
DOI: http://dx.doi.org/10.1051/0004-6361:20066466
Abstract | Full HTML | PDF (1.550 MB) | PS (1.386 MB) | References | Online Material | NASA ADS Abstract Service


-  Stellar structure and evolution
Self-consistent theory of turbulent transport in the solar tachocline - III. Gravity waves     p. 1025
Eun-jin Kim and N. Leprovost
DOI: http://dx.doi.org/10.1051/0004-6361:20065971
Abstract | Full HTML | PDF (165.7 KB) | PS (78.25 KB) | References | Online Material | NASA ADS Abstract Service

Detection of solar-like oscillations in the red giant star ϵ Ophiuchi by MOST spacebased photometry     p. 1033
C. Barban et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066716
Abstract | Full HTML | PDF (526.7 KB) | PS (340.3 KB) | References | NASA ADS Abstract Service

Rotational period of GQ Lupi     p. 1039
C. Broeg, T. O. B. Schmidt, E. Guenther, A. Gaedke, A. Bedalov, R. Neuhäuser, and F. M. Walter
DOI: http://dx.doi.org/10.1051/0004-6361:20066793
Abstract | Full HTML | PDF (251.4 KB) | PS (861.1 KB) | References | Tables at CDS | NASA ADS Abstract Service

Dust and gas emission in the prototypical hot core G29.96–0.02 at sub-arcsecond resolution     p. 1045
H. Beuther, Q. Zhang, E. A. Bergin, T. K. Sridharan, T. R. Hunter, and S. Leurini
DOI: http://dx.doi.org/10.1051/0004-6361:20066954
Abstract | Full HTML | PDF (1.015 MB) | PS (846.2 KB) | References | NASA ADS Abstract Service

Abell 43: longest period planetary nebula nucleus variable     p. 1057
J.-E. Solheim, G. Vauclair, A. S. Mukadam, R. Janulis, and V. Dobrovolskas
DOI: http://dx.doi.org/10.1051/0004-6361:20077364
Abstract | Full HTML | PDF (637.5 KB) | PS (709.9 KB) | References | NASA ADS Abstract Service


-  Stellar atmospheres
Fourier method of determining the rotational velocities in OB stars     p. 1063
S. Simón-Díaz and A. Herrero
DOI: http://dx.doi.org/10.1051/0004-6361:20066060
Abstract | Full HTML | PDF (579.3 KB) | PS (206.2 KB) | References | Online Material | NASA ADS Abstract Service


-  The Sun
Generation of a secondary shock wave during the oblique collision between a current sheet and a fast magnetosonic shock wave     p. 1075
J. I. Sakai and Y. Tanaka
DOI: http://dx.doi.org/10.1051/0004-6361:20066977
Abstract | Full HTML | PDF (806.1 KB) | PS (2.790 MB) | References | NASA ADS Abstract Service

Rapid rotation of a sunspot associated with flares     p. 1083
X. L. Yan and Z. Q. Qu
DOI: http://dx.doi.org/10.1051/0004-6361:20077064
Abstract | Full HTML | PDF (747.9 KB) | PS (1.959 MB) | References | NASA ADS Abstract Service

Upper limits on the solar-neutron flux at the Yangbajing neutron monitor from BATSE-detected solar flares     p. 1089
H. Tsuchiya et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066680
Abstract | Full HTML | PDF (242.6 KB) | PS (93.63 KB) | References | NASA ADS Abstract Service

Electron acceleration in a post-flare decimetric continuum source     p. 1099
P. Subramanian, S. M. White, M. Karlický, R. Sych, H. S. Sawant, and S. Ananthakrishnan
DOI: http://dx.doi.org/10.1051/0004-6361:20077341
Abstract | Full HTML | PDF (400.6 KB) | PS (2.432 MB) | References | NASA ADS Abstract Service

Flare productivity of newly-emerged paired and isolated solar active regions     p. 1103
S. Dalla, L. Fletcher, and N. A. Walton
DOI: http://dx.doi.org/10.1051/0004-6361:20077177
Abstract | Full HTML | PDF (332.2 KB) | PS (852.7 KB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
Polarimetric observations of Hungaria asteroids     p. 1109
R. Gil-Hutton, D. Lazzaro, and P. Benavidez
DOI: http://dx.doi.org/10.1051/0004-6361:20077178
Abstract | Full HTML | PDF (94.25 KB) | PS (42.91 KB) | References | NASA ADS Abstract Service


-  Atomic, molecular, and nuclear data
A new list of thorium and argon spectral lines in the visible     p. 1115
C. Lovis and F. Pepe
DOI: http://dx.doi.org/10.1051/0004-6361:20077249
Abstract | Full HTML | PDF (240.4 KB) | PS (122.5 KB) | References | Tables at CDS | NASA ADS Abstract Service

Rotational excitation and de-excitation of PN molecules by He atoms     p. 1123
R. Toboła, J. Kłos, F. Lique, G. Chałasiński, and M. H. Alexander
DOI: http://dx.doi.org/10.1051/0004-6361:20077339
Abstract | Full HTML | PDF (279.3 KB) | PS (1.660 MB) | References | NASA ADS Abstract Service