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Astronomy & Astrophysics

Vol. 500, No. 3 (June IV 2009)

A disk in Keplerian rotation around a young star. Credit: NASA/STScI (background) (V. Bujarrabal, et al., p. 1080)
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-  Letters
Press Release
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First evidence of a magnetic field on Vega - Towards a new class of magnetic A-type stars    p. L41
F. Lignières, P. Petit, T. Böhm and M. Aurière
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911996
Abstract Full HTML PDF (157.1 KB) PS (76.84 KB) References NASA ADS Abstract Service

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Detection of orbital parameter changes in the TrES-2 exoplanet?    p. L45
D. Mislis and J. H. M. M. Schmitt
Published online: 27 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811424
Abstract Full HTML PDF (179.1 KB) PS (173.2 KB) References Tables at CDS NASA ADS Abstract Service

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GMRT radio observations of the transiting extrasolar planet HD 189733 b at 244 and 614 MHz    p. L51
A. Lecavelier des Etangs, S. K. Sirothia, Gopal-Krishna and P. Zarka
Published online: 27 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200912347
Abstract Full HTML PDF (450.9 KB) PS (2.209 MB) References NASA ADS Abstract Service



-  Astrophysical processes
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Modeling mm- to X-ray flare emission from Sagittarius A*    p. 935
A. Eckart, F. K. Baganoff, M. R. Morris, D. Kunneriath, M. Zamaninasab, G. Witzel, R. Schödel, M. García-Marín, L. Meyer, G. C. Bower, et al. (10 more)
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811354
Abstract Full HTML PDF (327.9 KB) PS (296.7 KB) References NASA ADS Abstract Service


-  Cosmology (including clusters of galaxies)
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Multi-wavelength study of X-ray luminous clusters at z ~ 0.3 - I. Star-formation activity of cluster galaxies    p. 947
F. G. Braglia, D. Pierini, A. Biviano and H. Böhringer
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811589
Abstract Full HTML PDF (1.729 MB) PS (1.807 MB) References Tables at CDS NASA ADS Abstract Service

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Foregrounds for observations of the cosmological 21 cm line - I. First Westerbork measurements of Galactic emission at 150 MHz in a low latitude field    p. 965
G. Bernardi, A. G. de Bruyn, M. A. Brentjens, B. Ciardi, G. Harker, V. Jelić, L. V. E. Koopmans, P. Labropoulos, A. Offringa, V. N. Pandey, et al. (4 more)
Published online: 22 June 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911627
Abstract Full HTML PDF (2.978 MB) PS (6.604 MB) References NASA ADS Abstract Service

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Photometric redshifts for the CFHTLS T0004 deep and wide fields    p. 981
J. Coupon, O. Ilbert, M. Kilbinger, H. J. McCracken, Y. Mellier, S. Arnouts, E. Bertin, P. Hudelot, M. Schultheis, O. Le Fèvre, et al. (10 more)
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811413
Abstract Full HTML PDF (711.8 KB) PS (544.4 KB) References NASA ADS Abstract Service



-  Extragalactic astronomy
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XMM-Newton observations of Seyfert galaxies from the Palomar spectroscopic survey: the X-ray absorption distribution    p. 999
A. Akylas and I. Georgantopoulos
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811371
Abstract Full HTML PDF (1.179 MB) PS (944.5 KB) References NASA ADS Abstract Service

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SN 1999ga: a low-luminosity linear type II supernova?    p. 1013
A. Pastorello, R. M. Crockett, R. Martin, S. J. Smartt, G. Altavilla, S. Benetti, M. T. Botticella, E. Cappellaro, S. Mattila, J. R. Maund, et al. (4 more)
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911993
Abstract Full HTML PDF (1.499 MB) PS (2.387 MB) References NASA ADS Abstract Service

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Erratum
AGB stars as tracers of metallicity and mean age across M 33    p. 1025
M.-R. L. Cioni, M. Irwin, A. M. N. Ferguson, A. McConnachie, B. C. Conn, A. Huxor, R. Ibata, G. Lewis and N. Tanvir
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809366e
Abstract Full HTML PDF (64.22 KB) PS (38.60 KB) NASA ADS Abstract Service



-  Galactic structure, stellar clusters, and populations
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The EROS2 search for microlensing events towards the spiral arms: the complete seven season results    p. 1027
Y. R. Rahal, C. Afonso, J.-N. Albert, J. Andersen, R. Ansari, É. Aubourg, P. Bareyre, J.-P. Beaulieu, X. Charlot, F. Couchot, et al. (30 more)
Published online: 1 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811515
Abstract Full HTML PDF (5.306 MB) PS (8.739 MB) References Online Material Tables at CDS NASA ADS Abstract Service

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A new population of cool stars and brown dwarfs in the Lupus clouds    p. 1045
F. Comerón, L. Spezzi and B. López Martí
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911771
Abstract Full HTML PDF (1.719 MB) PS (5.374 MB) References Online Material NASA ADS Abstract Service



-  Interstellar and circumstellar matter
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The flared inner disk of the Herbig Ae star AB Aurigae revealed by VLTI/MIDI in the N-band    p. 1065
E. Di Folco, A. Dutrey, O. Chesneau, S. Wolf, A. Schegerer, Ch. Leinert and B. Lopez
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809902
Abstract Full HTML PDF (288.8 KB) PS (192.8 KB) References NASA ADS Abstract Service

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The physical conditions in Gomez's Hamburger (IRAS 18059-3211), a pre-MS rotating disk    p. 1077
V. Bujarrabal, K. Young and A. Castro-Carrizo
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811233
Abstract Full HTML PDF (1.190 MB) PS (7.113 MB) References Online Material NASA ADS Abstract Service

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Planetary nebulae in the direction of the Galactic bulge: on nebulae with emission-line central stars    p. 1089
S. K. Górny, C. Chiappini, G. Stasińska and F. Cuisinier
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810841
Abstract Full HTML PDF (965.9 KB) PS (788.4 KB) References Online Material NASA ADS Abstract Service

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Rotational spectrum of 13C2-methyl formate (HCOO13CH3) and detection of the two 13C-methyl formate in Orion    p. 1109
M. Carvajal, L. Margulès, B. Tercero, K. Demyk, I. Kleiner, J. C. Guillemin, V. Lattanzi, A. Walters, J. Demaison, G. Wlodarczak, et al. (4 more)
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811456
Abstract Full HTML PDF (258.9 KB) PS (224.8 KB) References Tables at CDS NASA ADS Abstract Service

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Millimeter-wave survey of molecular clouds around the W5-East triggered star-forming region    p. 1119
T. Niwa, K. Tachihara, Y. Itoh, Y. Oasa, K. Sunada, K. Sugitani and T. Mukai
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811065
Abstract Full HTML PDF (775.8 KB) PS (1.316 MB) References NASA ADS Abstract Service

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CO and H I observations of an enigmatic interstellar cloud    p. 1131
Y. Libert, E. Gérard, T. Le Bertre, L. Matthews, C. Thum and J. M. Winters
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911990
Abstract Full HTML PDF (201.8 KB) PS (117.5 KB) References NASA ADS Abstract Service

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Evidence for CO depletion in the inner regions of gas-rich protoplanetary disks    p. 1137
G. van der Plas, M. E. van den Ancker, B. Acke, A. Carmona, C. Dominik, D. Fedele and L. B. F. M. Waters
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811148
Abstract Full HTML PDF (618.2 KB) PS (416.3 KB) References NASA ADS Abstract Service



-  Stellar structure and evolution
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The C/O ratio at low metallicity: constraints on early chemical evolution from observations of Galactic halo stars    p. 1143
D. Fabbian, P. E. Nissen, M. Asplund, M. Pettini and C. Akerman
Published online: 30 January 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810095
Abstract Full HTML PDF (304.6 KB) PS (154.0 KB) References NASA ADS Abstract Service

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Near-infrared follow-up to the May 2008 activation of SGR 1627-41    p. 1157
A. de Ugarte Postigo, A. J. Castro-Tirado, S. Covino, J. Gorosabel, P. D'Avanzo and D. E. A. Nürnberger
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811384
Abstract Full HTML PDF (418.8 KB) PS (498.8 KB) References NASA ADS Abstract Service

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Abundances anomalies and meridional circulation in horizontal branch stars    p. 1163
D. Quievy, P. Charbonneau, G. Michaud and J. Richer
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811262
Abstract Full HTML PDF (294.9 KB) PS (143.3 KB) References NASA ADS Abstract Service

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Asymptotic analysis of high-frequency acoustic modes in rapidly rotating stars    p. 1173
F. Lignières and B. Georgeot
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811165
Abstract Full HTML PDF (3.718 MB) PS (2.539 MB) References NASA ADS Abstract Service

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High-resolution smoothed particle hydrodynamics simulations of the merger of binary white dwarfs    p. 1193
P. Lorén-Aguilar, J. Isern and E. García-Berro
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811060
Abstract Full HTML PDF (775.6 KB) PS (3.910 MB) References NASA ADS Abstract Service

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PHL 5038: a spatially resolved white dwarf + brown dwarf binary    p. 1207
P. R. Steele, M. R. Burleigh, J. Farihi, B. T. Gänsicke, R. F. Jameson, P. D. Dobbie and M. A. Barstow
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911694
Abstract Full HTML PDF (148.8 KB) PS (74.97 KB) References NASA ADS Abstract Service

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Deep optical observations of the central X-ray source in the Puppis A supernova remnant    p. 1211
R. P. Mignani, A. De Luca, S. Mereghetti and P. A. Caraveo
Published online: 5 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811338
Abstract Full HTML PDF (124.2 KB) PS (90.06 KB) References NASA ADS Abstract Service

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HD 146875: a newly identified ZAMS active double-lined spectroscopic binary    p. 1215
H. J. Wang, J. Y. Wei, J. R. Shi and J. K. Zhao
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200810873
Abstract Full HTML PDF (1.387 MB) PS (2.918 MB) References NASA ADS Abstract Service



-  Stellar atmospheres
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Neutral oxygen spectral line formation revisited with new collisional data: large departures from LTE at low metallicity    p. 1221
D. Fabbian, M. Asplund, P. S. Barklem, M. Carlsson and D. Kiselman
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200809640
Abstract Full HTML PDF (381.7 KB) PS (207.6 KB) References NASA ADS Abstract Service


-  The Sun
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The solar chromosphere at high resolution with IBIS - III. Comparison of Ca II K and Ca II 854.2 nm imaging    p. 1239
K. P. Reardon, H. Uitenbroek and G. Cauzzi
Published online: 11 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811223
Abstract Full HTML PDF (4.591 MB) PS (26.13 MB) References NASA ADS Abstract Service


-  Planets and planetary systems
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Oligarchic planetesimal accretion and giant planet formation II    p. 1249
A. Fortier, O. G. Benvenuto and A. Brunini
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811367
Abstract Full HTML PDF (123.4 KB) PS (60.98 KB) References NASA ADS Abstract Service


-  Atomic, molecular, and nuclear data
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Electron-impact excitation of Ar2+    p. 1253
J. M. Munoz Burgos, S. D. Loch, C. P. Ballance and R. F. Boivin
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911743
Abstract Full HTML PDF (530.5 KB) PS (445.2 KB) References Tables at CDS NASA ADS Abstract Service

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R-matrix electron-impact excitation data for the Na-like iso-electronic sequence    p. 1263
G. Y. Liang, A. D. Whiteford and N. R. Badnell
Published online: 8 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911866
Abstract Full HTML PDF (510.9 KB) PS (617.9 KB) References Tables at CDS NASA ADS Abstract Service



-  Astronomical instrumentation
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First single star scidar measurements at Dome C, Antarctica    p. 1271
J. Vernin, M. Chadid, E. Aristidi, A. Agabi, H. Trinquet and M. Van der Swaelmen
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811119
Abstract Full HTML PDF (582.0 KB) PS (1.590 MB) References NASA ADS Abstract Service

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APIC - Absolute Position Interfero-Coronagraph for direct exoplanet detection    p. 1277
F. Allouche, A. Glindemann, E. Aristidi and F. Vakili
Published online: 16 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811232
Abstract Full HTML PDF (431.4 KB) PS (497.4 KB) References NASA ADS Abstract Service

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Design, analysis, and testing of a microdot apodizer for the apodized pupil Lyot coronagraph - II. Impact of the dot size    p. 1281
P. Martinez, C. Dorrer, M. Kasper, A. Boccaletti and K. Dohlen
Published online: 13 May 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911824
Abstract Full HTML PDF (2.605 MB) PS (28.94 MB) References NASA ADS Abstract Service



-  Catalogs and data
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OASIS integral-field spectroscopy of the central kpc in 11 Seyfert 2 galaxies    p. 1287
I. Stoklasová, P. Ferruit, E. Emsellem, B. Jungwiert, E. Pécontal and S. F. Sánchez
Published online: 29 April 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200811225
Abstract Full HTML PDF (7.557 MB) PS (30.04 MB) References NASA ADS Abstract Service

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Observations of 44 extragalactic radio sources with the VLBA at 92 cm - A list of potential calibrators and targets for LOFAR and RadioAstron    p. 1327
H. Rampadarath, M. A. Garrett and A. Polatidis
Published online: 25 March 2009
DOI: http://dx.doi.org/10.1051/0004-6361/200911802
Abstract Full HTML PDF (364.2 KB) PS (348.1 KB) References NASA ADS Abstract Service