Astronomy & Astrophysics

Table of contents

A&A Vol. 468 No. 3

	Astronomy and Astrophysics
	Vol. 468 No. 3 (June IV 2007)
Cover illustration: 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)

Extended baselines for the IRAM Plateau de Bure interferometer: First results

Editorial p. E5
M. Walmsley and C. Bertout
Abstract | Full HTML | PDF file (17.50 KB) | PS file (6.746 KB)

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
Abstract | Full HTML | PDF file (241.3 KB) | PS file (176.8 KB) | References

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
Abstract | Full HTML | PDF file (1.610 MB) | PS file (2.247 MB) | References

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
Abstract | Full HTML | PDF file (1.062 MB) | PS file (3.953 MB) | References

Minkowski's footprint revisited - Planetary nebula formation from a single sudden event? p. L41
J. Alcolea, R. Neri, and V. Bujarrabal
Abstract | Full HTML | PDF file (426.1 KB) | PS file (1.870 MB) | References

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
Abstract | Full HTML | PDF file (442.7 KB) | PS file (1.431 MB) | References

Jet-disturbed molecular gas near the Seyfert 2 nucleus in M 51 p. L49
S. Matsushita, S. Muller, and J. Lim
Abstract | Full HTML | PDF file (194.5 KB) | PS file (173.9 KB) | References

Distribution of the molecular absorption in front of the quasar B0218+357 p. L53
S. Muller, M. Guélin, F. Combes, and T. Wiklind
Abstract | Full HTML | PDF file (187.8 KB) | PS file (139.0 KB) | References

Black hole in the West nucleus of Arp 220 p. L57
D. Downes and A. Eckart
Abstract | Full HTML | PDF file (356.2 KB) | PS file (285.4 KB) | References

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, R. Neri, S. García-Burillo, F. Combes, E. Schinnerer, A. J. Baker, A. Eckart, F. Boone, L. Hunt, S. Leon, and L. J. Tacconi
Abstract | Full HTML | PDF file (286.4 KB) | PS file (898.5 KB) | References

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
Abstract | Full HTML | PDF file (211.4 KB) | PS file (600.2 KB) | References

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
Abstract | Full HTML | PDF file (166.2 KB) | PS file (629.3 KB) | References

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
Abstract | Full HTML | PDF file (282.9 KB) | PS file (184.1 KB) | References

A generalized $\sqrt{\epsilon}$ -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. Stepán and V. Bommier
Abstract | Full HTML | PDF file (104.7 KB) | PS file (58.72 KB) | References

Jeans instability of a galactic disk embedded in a live dark halo p. 803
O. Esquivel and B. Fuchs
Abstract | Full HTML | PDF file (82.49 KB) | PS file (41.29 KB) | References

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
Abstract | Full HTML | PDF file (486.9 KB) | PS file (364.2 KB) | References

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
Abstract | Full HTML | PDF file (612.8 KB) | PS file (640.0 KB) | References

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, T. Erben, P. Simon, J.-M. Miralles, P. Schneider, C. Heymans, T. Eifler, R. A. E. Fosbury, W. Freudling, M. Hetterscheidt, H. Hildebrandt, and N. Pirzkal
Abstract | Full HTML | PDF file (2.222 MB) | PS file (2.134 MB) | References

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
Abstract | Full HTML | PDF file (624.7 KB) | PS file (513.1 KB) | References | Online Material

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
Abstract | Full HTML | PDF file (1.852 MB) | PS file (1.123 MB) | References | Online Material

Extragalactic astronomy

High-redshift Ly $\mathsf{\alpha}$ emitters with a large equivalent width - Properties of i $\vec{'}$ -dropout galaxies with an NB921-band depression in the Subaru deep field p. 877
T. Nagao, T. Murayama, R. Maiolino, A. Marconi, N. Kashikawa, M. Ajiki, T. Hattori, C. Ly, M. A. Malkan, K. Motohara, K. Ohta, S. S. Sasaki, Y. Shioya, and Y. Taniguchi
Abstract | Full HTML | PDF file (419.1 KB) | PS file (1.032 MB) | References

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
Abstract | Full HTML | PDF file (1.463 MB) | PS file (1.498 MB) | References

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
Abstract | Full HTML | PDF file (743.7 KB) | PS file (388.9 KB) | References

Effects of the galactic winds on the stellar metallicity distribution of dwarf spheroidal galaxies p. 927
G. A. Lanfranchi and F. Matteucci
Abstract | Full HTML | PDF file (211.9 KB) | PS file (71.58 KB) | References

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
Abstract | Full HTML | PDF file (1.097 MB) | PS file (1.081 MB) | References | Online Material

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
Abstract | Full HTML | PDF file (1.997 MB) | PS file (1.830 MB) | References

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
Abstract | Full HTML | PDF file (493.6 KB) | PS file (219.4 KB) | References

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
Abstract | Full HTML | PDF file (916.8 KB) | PS file (397.1 KB) | References

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
Abstract | Full HTML | PDF file (380.2 KB) | PS file (179.8 KB) | References

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
Abstract | Full HTML | PDF file (893.6 KB) | PS file (410.7 KB) | References

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
Abstract | Full HTML | PDF file (377.1 KB) | PS file (302.3 KB) | References

Stellar structure and evolution

Detection of solar-like oscillations in the red giant star $\epsilon$ Ophiuchi by MOST spacebased photometry p. 1033
C. Barban, J. M. Matthews, J. De Ridder, F. Baudin, R. Kuschnig, A. Mazumdar, R. Samadi, D. B. Guenther, A. F. J. Moffat, S. M. Rucinski, D. Sasselov, G. A. H. Walker, and W. W. Weiss
Abstract | Full HTML | PDF file (526.7 KB) | PS file (340.3 KB) | References

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
Abstract | Full HTML | PDF file (251.4 KB) | PS file (861.1 KB) | References

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
Abstract | Full HTML | PDF file (1.015 MB) | PS file (846.2 KB) | References

Abell 43: longest period planetary nebula nucleus variable p. 1057
J.-E. Solheim, G. Vauclair, A. S. Mukadam, R. Janulis, and V. Dobrovolskas
Abstract | Full HTML | PDF file (637.5 KB) | PS file (709.9 KB) | References

Stellar atmospheres

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
Abstract | Full HTML | PDF file (806.1 KB) | PS file (2.790 MB) | References

Rapid rotation of a sunspot associated with flares p. 1083
X. L. Yan and Z. Q. Qu
Abstract | Full HTML | PDF file (747.9 KB) | PS file (1.959 MB) | References

Upper limits on the solar-neutron flux at the Yangbajing neutron monitor from BATSE-detected solar flares p. 1089
H. Tsuchiya, H. Miyasaka, E. Takahashi, S. Shimoda, Y. Yamada, I. Kondo, K. Makishima, F. Zhu, Y. Tan, H. Hu, Y. Tang, J. Zhang, H. Lu, and X. Meng
Abstract | Full HTML | PDF file (242.6 KB) | PS file (93.63 KB) | References

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
Abstract | Full HTML | PDF file (400.6 KB) | PS file (2.432 MB) | References

Flare productivity of newly-emerged paired and isolated solar active regions p. 1103
S. Dalla, L. Fletcher, and N. A. Walton
Abstract | Full HTML | PDF file (332.2 KB) | PS file (852.7 KB) | References

Planets and planetary systems

Polarimetric observations of Hungaria asteroids p. 1109
R. Gil-Hutton, D. Lazzaro, and P. Benavidez
Abstract | Full HTML | PDF file (94.25 KB) | PS file (42.91 KB) | References

Atomic, molecular, and nuclear data

A new list of thorium and argon spectral lines in the visible p. 1115
C. Lovis and F. Pepe
Abstract | Full HTML | PDF file (240.4 KB) | PS file (122.5 KB) | References

Rotational excitation and de-excitation of PN molecules by He atoms p. 1123
R. Tobola, J. Klos, F. Lique, G. Chalasinski, and M. H. Alexander
Abstract | Full HTML | PDF file (279.3 KB) | PS file (1.660 MB) | References

Astronomy and Astrophysics

Extended baselines for the IRAM Plateau de Bure interferometer: First results