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Astronomy and Astrophysics

Vol. 462, No. 3 (February II 2007)

CO radiative cooling in the solar atmosphere (S. Wedemeyer-Böhm, et al., p. L31)
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-  Letters
Lithium-depleted stars in the young Orionis cluster     p. L23
G. G. Sacco, S. Randich, E. Franciosini, R. Pallavicini, and F. Palla
DOI: http://dx.doi.org/10.1051/0004-6361:20066434
Abstract | Full HTML | PDF (118.0 KB) | PS (176.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Bar-driven mass build-up within the central 50 pc of NGC 6946     p. L27
E. Schinnerer, T. Böker, E. Emsellem, and D. Downes
DOI: http://dx.doi.org/10.1051/0004-6361:20066711
Abstract | Full HTML | PDF (374.0 KB) | PS (720.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Carbon monoxide in the solar atmosphere - II. Radiative cooling by CO lines     p. L31
S. Wedemeyer-Böhm and M. Steffen
DOI: http://dx.doi.org/10.1051/0004-6361:20066173
Abstract | Full HTML | PDF (214.3 KB) | PS (726.6 KB) | References | NASA ADS Abstract Service

Probing the close environment of massive young stars with spectro-astrometry     p. L37
J. M. C. Grave and M. S. N. Kumar
DOI: http://dx.doi.org/10.1051/0004-6361:20066611
Abstract | Full HTML | PDF (185.9 KB) | PS (438.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

Discovery of variable X-ray absorption in the cTTS AA Tauri     p. L41
J. H. M. M. Schmitt and J. Robrade
DOI: http://dx.doi.org/10.1051/0004-6361:20066693
Abstract | Full HTML | PDF (164.4 KB) | PS (245.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Detection of HNC and tentative detection of CN at z = 3.9     p. L45
M. Guélin et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066555
Abstract | Full HTML | PDF (141.2 KB) | PS (507.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

Candidate tidal disruption events from the XMM-Newton slew survey     p. L49
P. Esquej, R. D. Saxton, M. J. Freyberg, A. M. Read, B. Altieri, M. Sanchez-Portal, and G. Hasinger
DOI: http://dx.doi.org/10.1051/0004-6361:20066072
Abstract | Full HTML | PDF (619.0 KB) | PS (7.375 MB) | References | SIMBAD record | NASA ADS Abstract Service

A highly-collimated SiO jet in the HH212 protostellar outflow     p. L53
C. Codella, S. Cabrit, F. Gueth, R. Cesaroni, F. Bacciotti, B. Lefloch, and M. J. McCaughrean
DOI: http://dx.doi.org/10.1051/0004-6361:20066800
Abstract | Full HTML | PDF (386.8 KB) | PS (3.230 MB) | References | SIMBAD record | NASA ADS Abstract Service

Extensive multiband study of the X-ray rich GRB 050408 - A likely off-axis event with an intense energy injection     p. L57
A. de Ugarte Postigo et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066660
Abstract | Full HTML | PDF (429.2 KB) | PS (940.9 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The widest ultracool binary     p. L61
J. A. Caballero
DOI: http://dx.doi.org/10.1051/0004-6361:20066814
Abstract | Full HTML | PDF (305.1 KB) | PS (1.657 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Effect of dark matter annihilation on gas cooling and star formation     p. L65
Y. Ascasibar
DOI: http://dx.doi.org/10.1051/0004-6361:20066880
Abstract | Full HTML | PDF (198.9 KB) | PS (288.3 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
Clumpiness of dark matter and the positron annihilation signal     p. 827
J. Lavalle, J. Pochon, P. Salati, and R. Taillet
DOI: http://dx.doi.org/10.1051/0004-6361:20065312
Abstract | Full HTML | PDF (457.1 KB) | PS (1.408 MB) | References | NASA ADS Abstract Service

The ring statistics – how to separate E- and B-modes of cosmic shear correlation functions on a finite interval     p. 841
P. Schneider and M. Kilbinger
DOI: http://dx.doi.org/10.1051/0004-6361:20065532
Abstract | Full HTML | PDF (342.8 KB) | PS (917.5 KB) | References | NASA ADS Abstract Service

First stars VII - Lithium in extremely metal poor dwarfs     p. 851
P. Bonifacio et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20064834
Abstract | Full HTML | PDF (679.6 KB) | PS (3.141 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

GaBoDS: the Garching-Bonn deep survey - VIII. Lyman-break galaxies in the ESO deep public survey     p. 865
H. Hildebrandt, J. Pielorz, T. Erben, P. Schneider, T. Eifler, P. Simon, and J. P. Dietrich
DOI: http://dx.doi.org/10.1051/0004-6361:20065880
Abstract | Full HTML | PDF (1.452 MB) | PS (2.297 MB) | References | SIMBAD record | NASA ADS Abstract Service

GaBoDS: the Garching-Bonn Deep Survey - IX. A sample of 158 shear-selected mass concentration candidates     p. 875
M. Schirmer, T. Erben, M. Hetterscheidt, and P. Schneider
DOI: http://dx.doi.org/10.1051/0004-6361:20065955
Abstract | Full HTML | PDF (2.206 MB) | PS (8.997 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  Extragalactic astronomy
Swift XRT and UVOT deep observations of the high-energy peaked BL Lacertae object PKS 0548–322 close to its brightest state     p. 889
M. Perri et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066063
Abstract | Full HTML | PDF (131.1 KB) | PS (165.9 KB) | References | SIMBAD record | NASA ADS Abstract Service

A new analysis of the MEGA M 31 microlensing events     p. 895
G. Ingrosso, S. Calchi Novati, F. De Paolis, Ph. Jetzer, A. A. Nucita, G. Scarpetta, and F. Strafella
DOI: http://dx.doi.org/10.1051/0004-6361:20065851
Abstract | Full HTML | PDF (199.7 KB) | PS (291.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

Highly-magnified, multiply-imaged radio counterparts of the sub-mm starburst emission in the cluster-lens MS0451.6-0305     p. 903
A. Berciano Alba, M. A. Garrett, L. V. E. Koopmans, and O. Wucknitz
DOI: http://dx.doi.org/10.1051/0004-6361:20065223
Abstract | Full HTML | PDF (965.8 KB) | PS (5.795 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Long-term monitoring of the X-ray afterglow of GRB 050408 with Swift/XRT     p. 913
M. Capalbi et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065388
Abstract | Full HTML | PDF (158.1 KB) | PS (190.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

HI-observations of blue compact dwarf galaxies. II.     p. 919
W. K. Huchtmeier, A. Petrosian, Gopal-Krishna, and D. Kunth
DOI: http://dx.doi.org/10.1051/0004-6361:20065712
Abstract | Full HTML | PDF (196.3 KB) | PS (430.6 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

A NICMOS search for obscured supernovae in starburst galaxies     p. 927
G. Cresci, F. Mannucci, M. Della Valle, and R. Maiolino
DOI: http://dx.doi.org/10.1051/0004-6361:20065364
Abstract | Full HTML | PDF (242.8 KB) | PS (884.0 KB) | References | SIMBAD record | NASA ADS Abstract Service

Magnetic fields and ionized gas in nearby late type galaxies     p. 933
K. T. Chyży, D. J. Bomans, M. Krause, R. Beck, M. Soida, and M. Urbanik
DOI: http://dx.doi.org/10.1051/0004-6361:20065932
Abstract | Full HTML | PDF (3.479 MB) | PS (15.23 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
Abundance gradients in the Milky Way for α elements, iron peak elements, barium, lanthanum, and europium     p. 943
G. Cescutti, F. Matteucci, P. François, and C. Chiappini
DOI: http://dx.doi.org/10.1051/0004-6361:20065403
Abstract | Full HTML | PDF (316.0 KB) | PS (676.9 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The abundance pattern of O, Mg, Si, and Fe in the intracluster medium of the Centaurus cluster observed with XMM-Newton     p. 953
K. Matsushita, H. Böhringer, I. Takahashi, and Y. Ikebe
DOI: http://dx.doi.org/10.1051/0004-6361:20041577
Abstract | Full HTML | PDF (385.7 KB) | PS (551.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

The surface brightness of the Galaxy at the solar neighbourhood     p. 965
A.-L. Melchior, F. Combes, and A. Gould
DOI: http://dx.doi.org/10.1051/0004-6361:20066188
Abstract | Full HTML | PDF (13.46 MB) | PS (4.546 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
The photophoretic sweeping of dust in transient protoplanetary disks     p. 977
O. Krauss, G. Wurm, O. Mousis, J.-M. Petit, J. Horner, and Y. Alibert
DOI: http://dx.doi.org/10.1051/0004-6361:20066363
Abstract | Full HTML | PDF (457.3 KB) | PS (7.426 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
Towards a pure ZZ Ceti instability strip     p. 989
B. G. Castanheira et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065886
Abstract | Full HTML | PDF (257.4 KB) | PS (854.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

INTEGRAL observation of the accreting pulsar GX 1+4     p. 995
C. Ferrigno, A. Segreto, A. Santangelo, J. Wilms, I. Kreykenbohm, M. Denis, and R. Staubert
DOI: http://dx.doi.org/10.1051/0004-6361:20053878
Abstract | Full HTML | PDF (482.9 KB) | PS (1.204 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Computation of the Fourier parameters of RR Lyrae stars by template fitting     p. 1007
G. Kovács and G. Kupi
DOI: http://dx.doi.org/10.1051/0004-6361:20066050
Abstract | Full HTML | PDF (958.0 KB) | PS (2.808 MB) | References | SIMBAD record | NASA ADS Abstract Service

Effects of color superconductivity on the nucleation of quark matter in neutron stars     p. 1017
I. Bombaci, G. Lugones, and I. Vidaña
DOI: http://dx.doi.org/10.1051/0004-6361:20065259
Abstract | Full HTML | PDF (362.0 KB) | PS (447.4 KB) | References | NASA ADS Abstract Service

Discovery of δ Scuti pulsation in the Herbig Ae star VV Serpentis     p. 1023
V. Ripepi, S. Bernabei, M. Marconi, A. Ruoppo, F. Palla, M. J. P. F. G. Monteiro, J. P. Marques, P. Ferrara, S. Marinoni, and L. Terranegra
DOI: http://dx.doi.org/10.1051/0004-6361:20065728
Abstract | Full HTML | PDF (779.7 KB) | PS (3.114 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Seismic inference of differential rotation in Procyon A     p. 1031
A. Bonanno, M. Küker, and L. Paternò
DOI: http://dx.doi.org/10.1051/0004-6361:20065892
Abstract | Full HTML | PDF (251.8 KB) | PS (779.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

Accretion of chemically fractionated material on a wide binary with a blue straggler     p. 1039
S. Desidera, R. G. Gratton, S. Lucatello, M. Endl, and S. Udry
DOI: http://dx.doi.org/10.1051/0004-6361:20066150
Abstract | Full HTML | PDF (536.1 KB) | PS (1.629 MB) | References | SIMBAD record | NASA ADS Abstract Service

A method to derive the absolute composition of the Sun, the solar system, and the stars     p. 1051
L. Piersanti, O. Straniero, and S. Cristallo
DOI: http://dx.doi.org/10.1051/0004-6361:20054505
Abstract | Full HTML | PDF (503.3 KB) | PS (1.305 MB) | References | Online Material | NASA ADS Abstract Service

On shear-induced turbulence in rotating stars     p. 1063
S. Mathis, A. Palacios, and J.-P. Zahn
DOI: http://dx.doi.org/10.1051/0004-6361:20040279e
Abstract | Full HTML | PDF (123.3 KB) | PS (192.5 KB) | NASA ADS Abstract Service

Chandra X-ray counterpart of KS 1741–293     p. 1065
J. Martí, J. A. Combi, D. Pérez-Ramírez, J. L. Garrido, P. Luque-Escamilla, A. J. Muñoz-Arjonilla, and J. R. Sánchez-Sutil
DOI: http://dx.doi.org/10.1051/0004-6361:20066426
Abstract | Full HTML | PDF (393.1 KB) | PS (1.047 MB) | References | SIMBAD record | NASA ADS Abstract Service

Determination of the basic parameters of the dwarf nova EY Cygni     p. 1069
J. Echevarría, R. Michel, R. Costero, and S. Zharikov
DOI: http://dx.doi.org/10.1051/0004-6361:20052906
Abstract | Full HTML | PDF (2.065 MB) | PS (4.530 MB) | References | SIMBAD record | NASA ADS Abstract Service

The Be/X-ray transient 4U 0115+63/V635 Cassiopeiae - III. Quasi-cyclic variability     p. 1081
P. Reig, V. Larionov, I. Negueruela, A. A. Arkharov, and N. A. Kudryavtseva
DOI: http://dx.doi.org/10.1051/0004-6361:20066217
Abstract | Full HTML | PDF (390.0 KB) | PS (699.8 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Photometric analysis of the optical counterpart of the black hole HMXB M 33 X-7     p. 1091
A. Shporer, J. Hartman, T. Mazeh, and W. Pietsch
DOI: http://dx.doi.org/10.1051/0004-6361:20066354
Abstract | Full HTML | PDF (306.1 KB) | PS (1.848 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
The fraction of DA white dwarfs with kilo-Gauss magnetic fields     p. 1097
S. Jordan, R. Aznar Cuadrado, R. Napiwotzki, H. M. Schmid, and S. K. Solanki
DOI: http://dx.doi.org/10.1051/0004-6361:20066163
Abstract | Full HTML | PDF (643.0 KB) | PS (1.494 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Pulsation in the atmosphere of the roAp star HD 24712 - I. Spectroscopic observations and radial velocity measurements     p. 1103
T. Ryabchikova et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20066365
Abstract | Full HTML | PDF (923.3 KB) | PS (6.068 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service


-  The Sun
High energy particle transport in stochastic magnetic fields in the solar corona     p. 1113
M. Gkioulidou, G. Zimbardo, P. Pommois, P. Veltri, and L. Vlahos
DOI: http://dx.doi.org/10.1051/0004-6361:20065747
Abstract | Full HTML | PDF (1.019 MB) | PS (2.753 MB) | References | NASA ADS Abstract Service

Magnetic properties of flare-CME productive active regions and CME speed     p. 1121
J. Guo, H. Q. Zhang, and O. V. Chumak
DOI: http://dx.doi.org/10.1051/0004-6361:20065888
Abstract | Full HTML | PDF (336.1 KB) | PS (948.4 KB) | References | Online Material | NASA ADS Abstract Service

Energy leakage as an attenuation mechanism for vertical kink oscillations in solar coronal wave guides     p. 1127
M. Selwa, K. Murawski, S. K. Solanki, and T. J. Wang
DOI: http://dx.doi.org/10.1051/0004-6361:20065122
Abstract | Full HTML | PDF (3.288 MB) | PS (16.93 MB) | References | NASA ADS Abstract Service

The usefulness of analytic response functions     p. 1137
D. Orozco Suárez and J. C. del Toro Iniesta
DOI: http://dx.doi.org/10.1051/0004-6361:20066201
Abstract | Full HTML | PDF (330.0 KB) | PS (631.3 KB) | References | Online Material | NASA ADS Abstract Service

Supersonic downflows in the vicinity of a growing pore - Evidence of unresolved magnetic fine structure at chromospheric heights     p. 1147
A. Lagg, J. Woch, S. K. Solanki, and N. Krupp
DOI: http://dx.doi.org/10.1051/0004-6361:20054700
Abstract | Full HTML | PDF (482.9 KB) | PS (3.468 MB) | References | NASA ADS Abstract Service

Narrow-band imaging in the CN band at 388.33 nm     p. 1157
H. Uitenbroek and A. Tritschler
DOI: http://dx.doi.org/10.1051/0004-6361:20066286
Abstract | Full HTML | PDF (1.312 MB) | PS (12.66 MB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
Trojan planets in HD 108874?     p. 1165
R. Schwarz, R. Dvorak, E. Pilat Lohinger, Á. Süli, and B. Érdi
DOI: http://dx.doi.org/10.1051/0004-6361:20066284
Abstract | Full HTML | PDF (683.7 KB) | PS (5.922 MB) | References | SIMBAD record | NASA ADS Abstract Service


-  Atomic, molecular, and nuclear data
Spin depolarizing effect in collisions with neutral hydrogen - II. Application to simple/complex ions in spherically symmetric states     p. 1171
M. Derouich and P. S. Barklem
DOI: http://dx.doi.org/10.1051/0004-6361:20066066
Abstract | Full HTML | PDF (168.6 KB) | PS (673.7 KB) | References | NASA ADS Abstract Service

Ro-vibrational excitation of CS by He     p. 1179
F. Lique and A. Spielfiedel
DOI: http://dx.doi.org/10.1051/0004-6361:20066422
Abstract | Full HTML | PDF (375.7 KB) | PS (2.996 MB) | References | NASA ADS Abstract Service

Effects of CO2 on H2O band profiles and band strengths in mixed H2O:CO2 ices     p. 1187
K. I. Öberg, H. J. Fraser, A. C. A. Boogert, S. E. Bisschop, G. W. Fuchs, E. F. van Dishoeck, and H. Linnartz
DOI: http://dx.doi.org/10.1051/0004-6361:20065881
Abstract | Full HTML | PDF (800.6 KB) | PS (1.543 MB) | References | SIMBAD record | NASA ADS Abstract Service