Astronomy & Astrophysics

Table of contents

A&A Vol. 493 No. 2

	Astronomy and Astrophysics
	Vol. 493 No. 2 (January II 2009)
Cover illustration: The double-jet engine: two intermediate-mass protostars (J. Forbrich, et al., p. 550)

This week in A&A
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Letters

Evidence of photospheric vortex flows at supergranular junctions observed by FG/SOT (Hinode) p. L13
R. Attie, D. E. Innes, and H. E. Potts
Abstract | Full HTML | PDF file (768.8 KB) | PS file (1.867 MB) | References

A dense disk of dust around the born-again Sakurai's object p. L17
O. Chesneau, G. C. Clayton, F. Lykou, O. De Marco, C. A. Hummel, F. Kerber, E. Lagadec, J. Nordhaus, A. A. Zijlstra, and A. Evans
Abstract | Full HTML | PDF file (384.0 KB) | PS file (858.6 KB) | References

A probable giant planet imaged in the $\mathsf{\beta}$ Pictoris disk - VLT/NaCo deep L $\mathsf{'}$ -band imaging p. L21
A.-M. Lagrange, D. Gratadour, G. Chauvin, T. Fusco, D. Ehrenreich, D. Mouillet, G. Rousset, D. Rouan, F. Allard, É. Gendron, J. Charton, L. Mugnier, P. Rabou, J. Montri, and F. Lacombe
Abstract | Full HTML | PDF file (723.7 KB) | PS file (1.189 MB) | References

Trigonometric parallaxes of ten ultracool subdwarfs p. L27
E. Schilbach, S. Röser, and R.-D. Scholz
Abstract | Full HTML | PDF file (127.1 KB) | PS file (67.31 KB) | References

Press release

Ground-based secondary eclipse detection of the very-hot Jupiter OGLE-TR-56b p. L31
D. K. Sing and M. López-Morales
Abstract | Full HTML | PDF file (134.5 KB) | PS file (79.19 KB) | References

Press release

Ground-based $\sf { \textit K}$ -band detection of thermal emission from the exoplanet TrES-3b p. L35
E. J. W. de Mooij and I. A. G. Snellen
Abstract | Full HTML | PDF file (272.8 KB) | PS file (189.3 KB) | References

Astrophysical processes

Stratorotational instability in MHD Taylor-Couette flows p. 375
G. Rüdiger and D. A. Shalybkov
Abstract | Full HTML | PDF file (216.8 KB) | PS file (103.7 KB) | References

The influence of scattering on the extinction of stars p. 385
E. Krügel
Abstract | Full HTML | PDF file (600.2 KB) | PS file (2.401 MB) | References

Cosmology (including clusters of galaxies)

Orientations of very faint galaxies in the Coma cluster p. 399
C. Adami, R. Gavazzi, J. C. Cuillandre, F. Durret, O. Ilbert, A. Mazure, R. Pelló, and M. P. Ulmer
Abstract | Full HTML | PDF file (416.1 KB) | PS file (307.0 KB) | References

Chemical enrichment in the cluster of galaxies Hydra A p. 409
A. Simionescu, N. Werner, H. Böhringer, J. S. Kaastra, A. Finoguenov, M. Brüggen, and P. E. J. Nulsen
Abstract | Full HTML | PDF file (958.9 KB) | PS file (1.077 MB) | References

Extragalactic astronomy

Absorption line indices in the UV - I. Empirical and theoretical stellar population models p. 425
C. Maraston, L. Nieves Colmenárez, R. Bender, and D. Thomas
Abstract | Full HTML | PDF file (932.9 KB) | PS file (1.971 MB) | References

An extreme EXO: a type 2 QSO at z = 1.87 p. 445
A. Del Moro, M. G. Watson, S. Mateos, M. Akiyama, Y. Hashimoto, N. Tamura, K. Ohta, F. J. Carrera, and G. Stewart
Abstract | Full HTML | PDF file (575.6 KB) | PS file (1022 KB) | References

Star formation in M 33: multiwavelength signatures across the disk p. 453
S. Verley, E. Corbelli, C. Giovanardi, and L. K. Hunt
Abstract | Full HTML | PDF file (989.4 KB) | PS file (1.961 MB) | References

Research Note

MAGIC observations of PG 1553+113 during a multiwavelength campaign in July 2006 p. 467
J. Albert, E. Aliu, H. Anderhub, P. Antoranz, C. Baixeras, J. A. Barrio, H. Bartko, D. Bastieri, J. K. Becker, W. Bednarek, A. Berdyugin, K. Berger, C. Bigongiari, A. Biland, R. K. Bock, P. Bordas, V. Bosch-Ramon, T. Bretz, I. Britvitch, M. Camara, E. Carmona, A. Chilingarian, S. Commichau, J. L. Contreras, J. Cortina, M. T. Costado, V. Curtef, V. Danielyan, F. Dazzi, A. De Angelis, C. Delgado, R. de los Reyes, B. De Lotto, D. Dorner, M. Doro, M. Errando, M. Fagiolini, D. Ferenc, E. Fernández, R. Firpo, M. V. Fonseca, L. Font, M. Fuchs, N. Galante, R. J. García-López, M. Garczarczyk, M. Gaug, F. Goebel, D. Hakobyan, M. Hayashida, T. Hengstebeck, A. Herrero, D. Höhne, J. Hose, C. C. Hsu, S. Huber, P. Jacon, T. Jogler, R. Kosyra, D. Kranich, R. Kritzer, A. Laille, E. Lindfors, S. Lombardi, F. Longo, M. López, E. Lorenz, P. Majumdar, G. Maneva, K. Mannheim, M. Mariotti, M. Martínez, D. Mazin, C. Merck, M. Meucci, M. Meyer, J. M. Miranda, R. Mirzoyan, S. Mizobuchi, A. Moralejo, D. Nieto, K. Nilsson, J. Ninkovic, E. Oña-Wilhelmi, N. Otte, I. Oya, M. Panniello, R. Paoletti, M. Pasanen, D. Pascoli, F. Pauss, R. Pegna, M. Persic, L. Peruzzo, A. Piccioli, E. Prandini, N. Puchades, A. Raymers, J. Rico, W. Rhode, J. Rico, M. Rissi, A. Robert, S. Rügamer, A. Saggion, T. Y. Saito, A. Sánchez, P. Sartori, V. Scalzotto, V. Scapin, R. Schmitt, T. Schweizer, M. Shayduk, K. Shinozaki, S. N. Shore, N. Sidro, A. Sillanpää, D. Sobczynska, F. Spanier, A. Stamerra, L. S. Stark, L. Takalo, P. Temnikov, D. Tescaro, M. Teshima, D. F. Torres, N. Turini, H. Vankov, A. Venturini, V. Vitale, R. M. Wagner, T. Wibig, W. Wittek, F. Zandanel, R. Zanin, and J. Zapatero
Abstract | Full HTML | PDF file (103.7 KB) | PS file (47.42 KB) | References

New period-luminosity and period-color relations of classical Cepheids - III. Cepheids in SMC p. 471
A. Sandage, G. A. Tammann, and B. Reindl
Abstract | Full HTML | PDF file (513.1 KB) | PS file (1.009 MB) | References

High-resolution HNC 3–2 SMA observations of Arp 220 p. 481
S. Aalto, D. Wilner, M. Spaans, M. C. Wiedner, K. Sakamoto, J. H. Black, and M. Caldas
Abstract | Full HTML | PDF file (232.1 KB) | PS file (335.0 KB) | References

Galaxy evolution by color-log(n) type since redshift unity in the Hubble Ultra Deep Field p. 489
E. Cameron and S. P. Driver
Abstract | Full HTML | PDF file (1.815 MB) | PS file (1.308 MB) | References

A new measurement of the cosmic X-ray background p. 501
A. Moretti, C. Pagani, G. Cusumano, S. Campana, M. Perri, A. Abbey, M. Ajello, A. P. Beardmore, D. Burrows, G. Chincarini, O. Godet, C. Guidorzi, J. E. Hill, J. Kennea, J. Nousek, J. P. Osborne, and G. Tagliaferri
Abstract | Full HTML | PDF file (515.9 KB) | PS file (369.1 KB) | References

A kinematic study of the irregular dwarf galaxy NGC 2366 using H I and H $\sf\alpha$ observations p. 511
J. van Eymeren, M. Marcelin, B. Koribalski, R.-J. Dettmar, D. J. Bomans, J.-L. Gach, and P. Balard
Abstract | Full HTML | PDF file (4.243 MB) | PS file (9.553 MB) | References

CI and CO in nearby galaxy centers - The bright galaxies NGC 1068 (M 77), NGC 2146, NGC 3079, NGC 4826 (M 64), and NGC 7469 p. 525
F. P. Israel
Abstract | Full HTML | PDF file (677.1 KB) | PS file (549.5 KB) | References

Galactic structure, stellar clusters, and populations

MCAO near-IR photometry of the globular cluster NGC 6388: MAD observations in crowded fields p. 539
A. Moretti, G. Piotto, C. Arcidiacono, A. P. Milone, R. Ragazzoni, R. Falomo, J. Farinato, L. R. Bedin, J. Anderson, A. Sarajedini, A. Baruffolo, E. Diolaiti, M. Lombini, R. Brast, R. Donaldson, J. Kolb, E. Marchetti, and S. Tordo
Abstract | Full HTML | PDF file (2.754 MB) | PS file (4.180 MB) | References

Interstellar and circumstellar matter

A multi-wavelength study of a double intermediate-mass protostar – from large-scale structure to collimated jets p. 547
J. Forbrich, Th. Stanke, R. Klein, Th. Henning, K. M. Menten, K. Schreyer, and B. Posselt
Abstract | Full HTML | PDF file (828.2 KB) | PS file (1.294 MB) | References

The importance of non-LTE models for the interpretation of observations of interstellar NO p. 557
F. Lique, F. F. S. van der Tak, J. Kłos, J. Bulthuis, and M. H. Alexander
Abstract | Full HTML | PDF file (460.5 KB) | PS file (2.018 MB) | References

Rotational spectrum of deuterated and $\mathsf}$ N ethyl cyanides: CH $\mathsf$ CHDCN and CH $\mathsf$ DCH $\mathsf$ CN and of CH $\mathsf$ CH $\mathsf$ C $\mathsf}$ N p. 565
L. Margulès, R. Motiyenko, K. Demyk, B. Tercero, J. Cernicharo, M. Sheng, M. Weidmann, J. Gripp, H. Mäder, and J. Demaison
Abstract | Full HTML | PDF file (288.6 KB) | PS file (199.0 KB) | References | Online Material

The new star forming site NGC 6334 IV (MM3) p. 571
P. Persi, M. Tapia, M. Roth, and M. Gómez
Abstract | Full HTML | PDF file (1.068 MB) | PS file (6.667 MB) | References

Revealing the fastest component of the DG Tauri outflow through X-rays p. 579
H. M. Günther, S. P. Matt, and Z.-Y. Li
Abstract | Full HTML | PDF file (215.6 KB) | PS file (300.4 KB) | References

Stellar structure and evolution

CNO-driven winds of hot first stars p. 585
J. Krtička and J. Kubát
Abstract | Full HTML | PDF file (219.7 KB) | PS file (247.8 KB) | References

Probing the driving region in hot subdwarf stars through nonadiabatic asteroseismology: the principle of the method p. 595
S. Charpinet, G. Fontaine, and P. Brassard
Abstract | Full HTML | PDF file (261.9 KB) | PS file (111.9 KB) | References

Stellar atmospheres

Lithium abundances of halo dwarfs based on excitation temperature - I. Local thermodynamic equilibrium p. 601
A. Hosford, S. G. Ryan, A. E. García Pérez, J. E. Norris, and K. A. Olive
Abstract | Full HTML | PDF file (247.0 KB) | PS file (114.5 KB) | References

The Sun

Heights of solar tracers observed at 8 mm and an interpretation of their radiation p. 613
R. Brajša, I. Romštajn, H. Wöhl, A. O. Benz, M. Temmer, and D. Roša
Abstract | Full HTML | PDF file (483.0 KB) | PS file (143.2 KB) | References

Electron-cyclotron maser emission by power-law electrons in coronal loops p. 623
J. F. Tang and D. J. Wu
Abstract | Full HTML | PDF file (173.9 KB) | PS file (150.5 KB) | References

The X17.2 flare occurred in NOAA 10486: an example of filament destabilization caused by a domino effect p. 629
F. Zuccarello, P. Romano, F. Farnik, M. Karlicky, L. Contarino, V. Battiato, S. L. Guglielmino, M. Comparato, and I. Ugarte-Urra
Abstract | Full HTML | PDF file (2.112 MB) | PS file (7.347 MB) | References

Planets and planetary systems

The HARPS search for southern extra-solar planets - XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 M $\mathsf{_{\oplus}}$ ) p. 639
M. Mayor, S. Udry, C. Lovis, F. Pepe, D. Queloz, W. Benz, J.-L. Bertaux, F. Bouchy, C. Mordasini, and D. Segransan
Abstract | Full HTML | PDF file (424.4 KB) | PS file (990.0 KB) | References

The HARPS search for southern extra-solar planets - XIV. Gl 176b, a super-Earth rather than a Neptune, and at a different period p. 645
T. Forveille, X. Bonfils, X. Delfosse, M. Gillon, S. Udry, F. Bouchy, C. Lovis, M. Mayor, F. Pepe, C. Perrier, D. Queloz, N. Santos, and J.-L. Bertaux
Abstract | Full HTML | PDF file (1.142 MB) | PS file (5.882 MB) | References

Modulation structures in the dynamic spectra of Jovian radio emission obtained with high time-frequency resolution p. 651
G. V. Litvinenko, A. Lecacheux, H. O. Rucker, A. A. Konovalenko, B. P. Ryabov, U. Taubenschuss, V. V. Vinogradov, and V. E. Shaposhnikov
Abstract | Full HTML | PDF file (2.924 MB) | PS file (6.246 MB) | References

Investigating the flyby scenario for the HD 141569 system p. 661
R. Reche, H. Beust, and J.-C. Augereau
Abstract | Full HTML | PDF file (1.146 MB) | PS file (1.694 MB) | References

Bulk composition of the transiting hot Neptune around GJ 436 p. 671
P. Figueira, F. Pont, C. Mordasini, Y. Alibert, C. Georgy, and W. Benz
Abstract | Full HTML | PDF file (203.6 KB) | PS file (449.3 KB) | References

Kozai resonance in extrasolar systems p. 677
A.-S. Libert and K. Tsiganis
Abstract | Full HTML | PDF file (838.2 KB) | PS file (1.824 MB) | References

Atomic, molecular, and nuclear data

Rotational excitation of formaldehyde by hydrogen molecules: ortho-H $\mathsf$ CO at low temperature p. 687
N. Troscompt, A. Faure, L. Wiesenfeld, C. Ceccarelli, and P. Valiron
Abstract | Full HTML | PDF file (322.5 KB) | PS file (227.9 KB) | References

Breit-Pauli R-matrix calculation for fine structure effective collision strengths from electron impact excitation of Mg IX p. 697
C. E. Hudson
Abstract | Full HTML | PDF file (1.187 MB) | PS file (1.292 MB) | References

Branching fractions and A values in singly ionized tantalum (Ta II) p. 711
P. Quinet, V. Fivet, P. Palmeri, É. Biémont, L. Engström, H. Lundberg, and H. Nilsson
Abstract | Full HTML | PDF file (107.8 KB) | PS file (48.27 KB) | References

Astronomical instrumentation

A method to correct IACT data for atmospheric absorption due to the Saharan Air Layer p. 721
D. Dorner, K. Nilsson, and T. Bretz
Abstract | Full HTML | PDF file (114.2 KB) | PS file (51.20 KB) | References

Deconvolution with shapelets p. 727
P. Melchior, R. Andrae, M. Maturi, and M. Bartelmann
Abstract | Full HTML | PDF file (279.2 KB) | PS file (1018 KB) | References

NICEST, a near-infrared color excess method tailored to small-scale structures p. 735
M. Lombardi
Abstract | Full HTML | PDF file (917.2 KB) | PS file (2.165 MB) | References

Post-processing the VLTI fringe-tracking data: first measurements of stars p. 747
J.-B. Le Bouquin, R. Abuter, P. Haguenauer, B. Bauvir, D. Popovic, and E. Pozna
Abstract | Full HTML | PDF file (138.5 KB) | PS file (106.9 KB) | References

Making maps from Planck LFI 30 GHz data with asymmetric beams and cooler noise p. 753
M. A. J. Ashdown, C. Baccigalupi, J. G. Bartlett, J. Borrill, C. Cantalupo, G. de Gasperis, G. de Troia, K. M. Górski, E. Hivon, K. Huffenberger, E. Keihänen, R. Keskitalo, T. Kisner, H. Kurki-Suonio, C. R. Lawrence, P. Natoli, T. Poutanen, G. Prézeau, M. Reinecke, G. Rocha, M. Sandri, R. Stompor, F. Villa, and B. Wandelt (The Planck CTP Working Group)
Abstract | Full HTML | PDF file (5.533 MB) | PS file (12.17 MB) | References

Catalogs and data

Stellar populations in a standard ISOGAL field in the Galactic disc p. 785
S. Ganesh, A. Omont, U. C. Joshi, K. S. Baliyan, M. Schultheis, F. Schuller, and G. Simon
Abstract | Full HTML | PDF file (1.582 MB) | PS file (8.547 MB) | References | Online Material

Astronomy and Astrophysics