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Astronomy and Astrophysics

Vol. 500, No. 2 (June III 2009)

Radio detections around the giant nebula Hanny's Voorwerp. Credit (lower image): W. Keel, D. Smith, P. Herbert, and M. Jarvis (ING) (G. I. G. Józsa, et al., p. L33)
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-  Letters
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Strong [CII] emission at high redshift     p. L1
R. Maiolino, P. Caselli, T. Nagao, M. Walmsley, C. De Breuck, and M. Meneghetti
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912265
Abstract | Full HTML | PDF (156.0 KB) | PS (83.04 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Observation of bipolar moving magnetic features streaming out from a naked spot     p. L5
F. Zuccarello, P. Romano, S. L. Guglielmino, M. Centrone, S. Criscuoli, I. Ermolli, F. Berrilli, and D. Del Moro
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912277
Abstract | Full HTML | PDF (619.6 KB) | PS (2.220 MB) | References | NASA ADS Abstract Service

Possible magnetic field variability during the 6.7 GHz methanol maser flares of G09.62+0.20     p. L9
W. H. T. Vlemmings, S. Goedhart, and M. J. Gaylard
Published online: 5 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912298
Abstract | Full HTML | PDF (131.7 KB) | PS (74.08 KB) | References | SIMBAD record | NASA ADS Abstract Service

Double or binary: on the multiplicity of open star clusters     p. L13
R. de la Fuente Marcos and C. de la Fuente Marcos
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912297
Abstract | Full HTML | PDF (404.3 KB) | PS (193.5 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Using spectral flux ratios to standardize SN Ia luminosities     p. L17
The Nearby Supernova Factory: S. Bailey et al.
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911973
Abstract | Full HTML | PDF (320.3 KB) | PS (173.6 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Mode lifetimes of stellar oscillations - Implications for asteroseismology     p. L21
W. J. Chaplin, G. Houdek, C. Karoff, Y. Elsworth, and R. New
Published online: 19 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911952
Abstract | Full HTML | PDF (121.6 KB) | PS (55.80 KB) | References | SIMBAD record | NASA ADS Abstract Service

O and Na abundance patterns in open clusters of the Galactic disk     p. L25
G. M. De Silva, B. K. Gibson, J. Lattanzio, and M. Asplund
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912279
Abstract | Full HTML | PDF (145.6 KB) | PS (66.70 KB) | References | SIMBAD record | NASA ADS Abstract Service

Intermittency of interstellar turbulence: parsec-scale coherent structure of intense, velocity shear     p. L29
P. Hily-Blant and E. Falgarone
Published online: 19 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912296
Abstract | Full HTML | PDF (980.1 KB) | PS (2.224 MB) | References | SIMBAD record | NASA ADS Abstract Service

Revealing Hanny's Voorwerp: radio observations of IC 2497     p. L33
G. I. G. Józsa, M. A. Garrett, T. A. Oosterloo, H. Rampadarath, Z. Paragi, H. van Arkel, C. Lintott, W. C. Keel, K. Schawinski, and E. Edmondson
Published online: 19 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912402
Abstract | Full HTML | PDF (345.0 KB) | PS (713.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Decaying dark matter in the Draco dwarf galaxy     p. L37
S. Riemer-Sørensen and S. H. Hansen
Published online: 19 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912430
Abstract | Full HTML | PDF (255.3 KB) | PS (197.0 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Astrophysical processes
Self-gravity at the scale of the polar cell     p. 617
J.-M. Huré, A. Pierens, and F. Hersant
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911806
Abstract | Full HTML | PDF (223.9 KB) | PS (190.7 KB) | References | NASA ADS Abstract Service

Thin accretion discs around neutron and quark stars     p. 621
Z. Kovács, K. S. Cheng , and T. Harko
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811412
Abstract | Full HTML | PDF (1.286 MB) | PS (413.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

Alpha effect and turbulent diffusion from convection     p. 633
P. J. Käpylä, M. J. Korpi, and A. Brandenburg
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811498
Abstract | Full HTML | PDF (602.9 KB) | PS (357.0 KB) | References | NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
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Optimal point spread function modeling for weak lensing: complexity and sparsity     p. 647
S. Paulin-Henriksson, A. Refregier, and A. Amara
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811061
Abstract | Full HTML | PDF (810.4 KB) | PS (1.906 MB) | References | NASA ADS Abstract Service

CFHTLS weak-lensing constraints on the neutrino masses     p. 657
I. Tereno, C. Schimd, J.-P. Uzan, M. Kilbinger, F. H. Vincent, and L. Fu
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811077
Abstract | Full HTML | PDF (245.9 KB) | PS (133.9 KB) | References | NASA ADS Abstract Service

Observing the clustering properties of galaxy clusters in dynamical dark-energy cosmologies     p. 667
C. Fedeli, L. Moscardini, and M. Bartelmann
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811477
Abstract | Full HTML | PDF (472.6 KB) | PS (228.5 KB) | References | NASA ADS Abstract Service

Combining weak and strong cluster lensing: applications to simulations and MS 2137     p. 681
J. Merten, M. Cacciato, M. Meneghetti, C. Mignone, and M. Bartelmann
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810372
Abstract | Full HTML | PDF (1.365 MB) | PS (1.169 MB) | References | SIMBAD record | NASA ADS Abstract Service

Ram pressure stripping of tilted galaxies     p. 693
P. Jáchym, J. Köppen, J. Palouš, and F. Combes
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811469
Abstract | Full HTML | PDF (530.9 KB) | PS (379.3 KB) | References | NASA ADS Abstract Service


-  Extragalactic astronomy
Searching for massive galaxies at z 3.5 in GOODS-North     p. 705
C. Mancini, I. Matute, A. Cimatti, E. Daddi, M. Dickinson, G. Rodighiero, M. Bolzonella, and L. Pozzetti
Published online: 19 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810630
Abstract | Full HTML | PDF (2.922 MB) | PS (5.759 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The density, the cosmic microwave background, and the proton-to-electron mass ratio in a cloud at redshift 0.9     p. 725
C. Henkel, K. M. Menten, M. T. Murphy, N. Jethava, V. V. Flambaum, J. A. Braatz, S. Muller, J. Ott, and R. Q. Mao
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811475
Abstract | Full HTML | PDF (242.7 KB) | PS (128.1 KB) | References | SIMBAD record | NASA ADS Abstract Service

New constraints on the chemical evolution of the dwarf spheroidal galaxy Leo I from VLT spectroscopy     p. 735
M. Gullieuszik, E. V. Held, I. Saviane, and L. Rizzi
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811578
Abstract | Full HTML | PDF (528.6 KB) | PS (348.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

High-precision multi-band measurements of the angular clustering of X-ray sources     p. 749
J. Ebrero, S. Mateos, G. C. Stewart, F. J. Carrera, and M. G. Watson
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911670
Abstract | Full HTML | PDF (400.4 KB) | PS (184.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

Determination of the cosmic far-infrared background level with the ISOPHOT instrument     p. 763
M. Juvela, K. Mattila, D. Lemke, U. Klaas, C. Leinert, and Cs. Kiss
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811351
Abstract | Full HTML | PDF (1.486 MB) | PS (4.213 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The first two transient supersoft X-ray sources in M 31 globular clusters and the connection to classical novae     p. 769
M. Henze et al.
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811122
Abstract | Full HTML | PDF (572.5 KB) | PS (746.3 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Galactic structure, stellar clusters, and populations
Potential-density pairs and vertical tilt of the stellar velocity ellipsoid     p. 781
O. Bienaymé
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809404
Abstract | Full HTML | PDF (314.2 KB) | PS (399.0 KB) | References | NASA ADS Abstract Service

Dissolution is the solution: on the reduced mass-to-light ratios of Galactic globular clusters     p. 785
J. M. D. Kruijssen and S. Mieske
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811453
Abstract | Full HTML | PDF (604.5 KB) | PS (261.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Galactic kinematics with modified Newtonian dynamics     p. 801
O. Bienaymé, B. Famaey, X. Wu, H. S. Zhao, and D. Aubert
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809978
Abstract | Full HTML | PDF (289.3 KB) | PS (220.0 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Interstellar and circumstellar matter
Spitzer observations of the N157B supernova remnant and its surroundings     p. 807
E. R. Micelotta, B. R. Brandl, and F. P. Israel
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809849
Abstract | Full HTML | PDF (1.002 MB) | PS (2.667 MB) | References | SIMBAD record | NASA ADS Abstract Service

The broad Hα, [O III] line wings in stellar supercluster A of NGC 2363 and the turbulent mixing layer hypothesis     p. 817
L. Binette, L. Drissen, L. Úbeda, A. C. Raga, C. Robert, and Y. Krongold
Published online: 11 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811132
Abstract | Full HTML | PDF (1.668 MB) | PS (1.662 MB) | References | SIMBAD record | NASA ADS Abstract Service

A high-speed bipolar outflow from the archetypical pulsating star Mira A     p. 827
J. Meaburn, J. A. López, P. Boumis, M. Lloyd, and M. P. Redman
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911785
Abstract | Full HTML | PDF (1.012 MB) | PS (1.324 MB) | References | SIMBAD record | NASA ADS Abstract Service

Molecular gas and a new young stellar cluster in the far outer Galaxy     p. 833
J. L. Yun, D. Elia, P. M. Palmeirim, J. I. Gomes, and A. M. Martins
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811389
Abstract | Full HTML | PDF (1.229 MB) | PS (8.748 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Prestellar and protostellar cores in Orion B9     p. 845
O. Miettinen, J. Harju, L. K. Haikala, J. Kainulainen, and L. E. B. Johansson
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811534
Abstract | Full HTML | PDF (577.5 KB) | PS (603.7 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar structure and evolution
The emission polarization of RX J1856.5-3754     p. 861
N. Chkheidze
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911648
Abstract | Full HTML | PDF (186.6 KB) | PS (181.4 KB) | References | SIMBAD record | NASA ADS Abstract Service

Post common envelope binaries from the SDSS - VI. SDSS J120615.73+510047.0: a new low accretion rate magnetic binary     p. 867
A. D. Schwope, A. Nebot Gomez-Moran, M. R. Schreiber, and B. T. Gänsicke
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911699
Abstract | Full HTML | PDF (263.5 KB) | PS (124.7 KB) | References | SIMBAD record | NASA ADS Abstract Service

Neutral absorber dips in the periodic burster LMXB XB 1323-619 from Suzaku     p. 873
M. Bałucińska-Church, T. Dotani, T. Hirotsu, and M. J. Church
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811215
Abstract | Full HTML | PDF (310.6 KB) | PS (236.8 KB) | References | SIMBAD record | NASA ADS Abstract Service

Updating the orbital ephemeris of Hercules X-1; rate of decay and eccentricity of the orbit     p. 883
R. Staubert, D. Klochkov, and J. Wilms
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911690
Abstract | Full HTML | PDF (304.1 KB) | PS (356.4 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  Stellar atmospheres
Models of magnetized neutron star atmospheres: thin atmospheres and partially ionized hydrogen atmospheres with vacuum polarization     p. 891
V. Suleimanov, A. Y. Potekhin, and K. Werner
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912121
Abstract | Full HTML | PDF (258.8 KB) | PS (259.4 KB) | References | SIMBAD record | NASA ADS Abstract Service


-  The Sun
Relationship between non-thermal electron energy spectra and GOES classes     p. 901
R. Falewicz, P. Rudawy, and M. Siarkowski
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811364
Abstract | Full HTML | PDF (313.6 KB) | PS (228.1 KB) | References | NASA ADS Abstract Service


-  Planets and planetary systems
The trans-Neptunian object size distribution at small sizes     p. 909
R. Gil-Hutton, J. Licandro, N. Pinilla-Alonso, and R. Brunetto
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811301
Abstract | Full HTML | PDF (604.8 KB) | PS (1.168 MB) | References | NASA ADS Abstract Service


-  Astronomical instrumentation
Application of the trend filtering algorithm to the MACHO database     p. 917
J. Szulágyi, G. Kovács, and D. L. Welch
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911692
Abstract | Full HTML | PDF (560.8 KB) | PS (394.9 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Detecting circumstellar disks around gravitational microlenses     p. 929
M. Hundertmark, F. V. Hessman, and S. Dreizler
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811458
Abstract | Full HTML | PDF (1.015 MB) | PS (3.273 MB) | References | SIMBAD record | NASA ADS Abstract Service