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Astronomy and Astrophysics

Vol. 454, No. 2 (August I 2006)
APEX Special Booklet

APEX, the Atacama Pathfinder Experiment, in operation on Llano de Chajnantor at 5107m altitude (Güsten, R. et al., p. L14)

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Letters
Astrophysical processes
Cosmology (including clusters of galaxies)
Extragalactic astronomy
Galactic structure, stellar clusters, and populations
Interstellar and circumstellar matter
Stellar structure and evolution
Stellar atmospheres
The Sun
Planets and planetary systems

- Letters

Editorial
Special Letters edition: First science with APEX p. E1
M. Walmsley, and C. Bertout
DOI: http://dx.doi.org/10.1051/0004-6361:20065811
Abstract | Full HTML | PDF (16.8 KB) | PS (7.75 KB) | NASA ADS Abstract Service

The Atacama Pathfinder EXperiment (APEX) – a new submillimeter facility for southern skies – p. L13
R. Güsten, L. Å. Nyman, P. Schilke, K. Menten, C. Cesarsky, and R. Booth
DOI: http://dx.doi.org/10.1051/0004-6361:20065420
Abstract | Full HTML | PDF (564 KB) | PS (1.03 MB) | References | NASA ADS Abstract Service

A 0.8 mm heterodyne facility receiver for the APEX telescope p. L17
C. Risacher et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065373
Abstract | Full HTML | PDF (497 KB) | PS (465 KB) | References | SIMBAD record | NASA ADS Abstract Service

The first-light APEX submillimeter heterodyne instrument FLASH p. L21
S. Heyminck, C. Kasemann, R. Güsten, G. de Lange, and U. U. Graf
DOI: http://dx.doi.org/10.1051/0004-6361:20065413
Abstract | Full HTML | PDF (314 KB) | PS (272 KB) | References | NASA ADS Abstract Service

APECS – the Atacama pathfinder experiment control system p. L25
D. Muders, H. Hafok, F. Wyrowski, E. Polehampton, A. Belloche, C. König, R. Schaaf, F. Schuller, J. Hatchell, and F. van der Tak
DOI: http://dx.doi.org/10.1051/0004-6361:20065359
Abstract | Full HTML | PDF (121 KB) | PS (54.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

The APEX digital Fast Fourier Transform Spectrometer p. L29
B. Klein, S. D. Philipp, I. Krämer, C. Kasemann, R. Güsten, and K. M. Menten
DOI: http://dx.doi.org/10.1051/0004-6361:20065415
Abstract | Full HTML | PDF (365 KB) | PS (321 KB) | References | SIMBAD record | NASA ADS Abstract Service

First observations with CONDOR, a 1.5 THz heterodyne receiver p. L33
M. C. Wiedner et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065341
Abstract | Full HTML | PDF (141 KB) | PS (58.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Discovery of interstellar CF⁺ p. L37
D. A. Neufeld, P. Schilke, K. M. Menten, M. G. Wolfire, J. H. Black, F. Schuller, H. S. P. Müller, S. Thorwirth, R. Güsten, and S. Philipp
DOI: http://dx.doi.org/10.1051/0004-6361:200600015
Abstract | Full HTML | PDF (165 KB) | PS (83.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

Submillimeter spectroscopy of southern hot cores: NGC 6334(I) and G327.3-0.6 p. L41
P. Schilke, C. Comito, S. Thorwirth, F. Wyrowski, K. M. Menten, R. Güsten, P. Bergman, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065398
Abstract | Full HTML | PDF (579 KB) | PS (461 KB) | References | SIMBAD record | NASA ADS Abstract Service

APEX 1 mm line survey of the Orion Bar p. L47
S. Leurini et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065555
Abstract | Full HTML | PDF (177 KB) | PS (131 KB) | References | SIMBAD record | NASA ADS Abstract Service

The evolutionary state of the southern dense core Chamaeleon-MMS1 p. L51
A. Belloche, B. Parise, F. F. S. van der Tak, P. Schilke, S. Leurini, R. Güsten, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065306
Abstract | Full HTML | PDF (176 KB) | PS (129 KB) | References | SIMBAD record | NASA ADS Abstract Service

Detection of H₂D⁺ in a massive prestellar core in Orion B p. L55
J. Harju, L. K. Haikala, K. Lehtinen, M. Juvela, K. Mattila, O. Miettinen, M. Dumke, R. Güsten, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065337
Abstract | Full HTML | PDF (123 KB) | PS (72.9 KB) | References | SIMBAD record | NASA ADS Abstract Service

Probable detection of H₂D⁺ in the starless core Barnard 68 p. L59
M. R. Hogerheijde et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065104
Abstract | Full HTML | PDF (159 KB) | PS (65.1 KB) | References | SIMBAD record | NASA ADS Abstract Service

The distribution of ND₂H in LDN 1689N p. L63
M. Gerin, D. C. Lis, S. Philipp, R. Güsten, E. Roueff, and V. Reveret
DOI: http://dx.doi.org/10.1051/0004-6361:20065401
Abstract | Full HTML | PDF (157 KB) | PS (144 KB) | References | SIMBAD record | NASA ADS Abstract Service

Low-mass star formation in R Coronae Australis: observations of organic molecules with the APEX telescope p. L67
F. L. Schöier, J. K. Jørgensen, K. M. Pontoppidan, and A. A. Lundgren
DOI: http://dx.doi.org/10.1051/0004-6361:20065334
Abstract | Full HTML | PDF (242 KB) | PS (147 KB) | References | SIMBAD record | NASA ADS Abstract Service

C¹⁸O (3–2) observations of the Cometary Globule CG 12: a cold core and a C¹⁸O hot spot p. L71
L. K. Haikala, M. Juvela, J. Harju, K. Lehtinen, K. Mattila, and M. Dumke
DOI: http://dx.doi.org/10.1051/0004-6361:20065387
Abstract | Full HTML | PDF (181 KB) | PS (159 KB) | References | SIMBAD record | NASA ADS Abstract Service

Warm molecular gas in the envelope and outflow of IRAS 12496-7650 (DK Chamaeleontis) p. L75
T. A. van Kempen, M. R. Hogerheijde, E. F. van Dishoeck, R. Güsten, P. Schilke, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065336
Abstract | Full HTML | PDF (136 KB) | PS (83.6 KB) | References | SIMBAD record | NASA ADS Abstract Service

CO and CH₃OH observations of the BHR71 outflows with APEX p. L79
B. Parise, A. Belloche, S. Leurini, P. Schilke, F. Wyrowski, and R. Güsten
DOI: http://dx.doi.org/10.1051/0004-6361:20065363
Abstract | Full HTML | PDF (231 KB) | PS (233 KB) | References | SIMBAD record | NASA ADS Abstract Service

The high velocity outflow in NGC 6334 I p. L83
S. Leurini, P. Schilke, B. Parise, F. Wyrowski, R. Güsten, and S. Philipp
DOI: http://dx.doi.org/10.1051/0004-6361:20065338
Abstract | Full HTML | PDF (331 KB) | PS (316 KB) | References | SIMBAD record | NASA ADS Abstract Service

Molecular excitation in the Eagle nebula's fingers p. L87
F. Schuller, S. Leurini, C. Hieret, K. M. Menten, S. D. Philipp, R. Güsten, P. Schilke, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065510
Abstract | Full HTML | PDF (605 KB) | PS (2.00 MB) | References | SIMBAD record | NASA ADS Abstract Service

Revealing the environs of the remarkable southern hot core G327.3–0.6 p. L91
F. Wyrowski, K. M. Menten, P. Schilke, S. Thorwirth, R. Güsten, and P. Bergman
DOI: http://dx.doi.org/10.1051/0004-6361:20065347
Abstract | Full HTML | PDF (205 KB) | PS (231 KB) | References | SIMBAD record | NASA ADS Abstract Service

Mid- and high-J CO observations towards ultracompact HII regions p. L95
F. Wyrowski, S. Heyminck, R. Güsten, and K. M. Menten
DOI: http://dx.doi.org/10.1051/0004-6361:20065565
Abstract | Full HTML | PDF (268 KB) | PS (211 KB) | References | SIMBAD record | NASA ADS Abstract Service

APEX mapping of H₃O⁺ in the Sgr B2 region p. L99
F. F. S. van der Tak, A. Belloche, P. Schilke, R. Güsten, S. Philipp, C. Comito, P. Bergman, and L.-Å. Nyman
DOI: http://dx.doi.org/10.1051/0004-6361:20065289
Abstract | Full HTML | PDF (148 KB) | PS (100 KB) | References | SIMBAD record | NASA ADS Abstract Service

Mass-loss properties of S-stars on the AGB p. L103
S. Ramstedt, F. L. Schöier, H. Olofsson, and A. A. Lundgren
DOI: http://dx.doi.org/10.1051/0004-6361:20065285
Abstract | Full HTML | PDF (156 KB) | PS (367 KB) | References | SIMBAD record | NASA ADS Abstract Service

Submillimeter vibrationally excited water emission from the peculiar red supergiant VY Canis Majoris p. L107
K. M. Menten, S. D. Philipp, R. Güsten, J. Alcolea, E. T. Polehampton, and S. Brünken
DOI: http://dx.doi.org/10.1051/0004-6361:20065458
Abstract | Full HTML | PDF (112 KB) | PS (64.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

APEX CO(3–2) observations of NGC 6822 p. L111
S. De Rijcke, P. Buyle, J. Cannon, F. Walter, A. Lundgren, D. Michielsen, and H. Dejonghe
DOI: http://dx.doi.org/10.1051/0004-6361:20065411
Abstract | Full HTML | PDF (664 KB) | PS (2.23 MB) | References | SIMBAD record | NASA ADS Abstract Service

CO(4–3) and CO(7–6) maps of the nucleus of NGC 253 p. L115
R. Güsten, S. D. Philipp, A. Weiß, and B. Klein
DOI: http://dx.doi.org/10.1051/0004-6361:20065447
Abstract | Full HTML | PDF (237 KB) | PS (177 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Astrophysical processes

Local Kelvin-Helmholtz instability and synchrotron modulation in Pulsar Wind Nebulae p. 393
N. Bucciantini, and L. Del Zanna
DOI: http://dx.doi.org/10.1051/0004-6361:20054491
Abstract | Full HTML | PDF (771 KB) | PS (445 KB) | References | SIMBAD record | NASA ADS Abstract Service

High-energy neutrino as observational signature of massive black hole formation p. 401
V. Berezinsky, and V. Dokuchaev
DOI: http://dx.doi.org/10.1051/0004-6361:20042336
Abstract | Full HTML | PDF (126 KB) | PS (59.0 KB) | References | NASA ADS Abstract Service

- Cosmology (including clusters of galaxies)

On the cosmic microwave background large-scale angular correlations p. 409
A. Bernui, T. Villela, C. A. Wuensche, R. Leonardi, and I. Ferreira
DOI: http://dx.doi.org/10.1051/0004-6361:20054243
Abstract | Full HTML | PDF (429 KB) | PS (181 KB) | References | SIMBAD record | NASA ADS Abstract Service

The non-perturbative regime of cosmic structure formation p. 415
T. Buchert
DOI: http://dx.doi.org/10.1051/0004-6361:20064899
Abstract | Full HTML | PDF (147 KB) | PS (66.6 KB) | References | NASA ADS Abstract Service

The great observatories origins deep survey - VLT/FORS2 spectroscopy in the GOODS-South Field: Part II p. 423
E. Vanzella et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20054796
Abstract | Full HTML | PDF (2.24 MB) | PS (2.59 MB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

- Extragalactic astronomy

Cold molecular gas in the Perseus cluster core - Association with X-ray cavity, Hα filaments and cooling flow p. 437
P. Salomé, F. Combes, A. C. Edge, C. Crawford, M. Erlund, A. C. Fabian, N. A. Hatch, R. M. Johnstone, J. S. Sanders, and R. J. Wilman
DOI: http://dx.doi.org/10.1051/0004-6361:20054745
Abstract | Full HTML | PDF (1.52 MB) | PS (4.28 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Searching for X-ray luminous “normal” galaxies in 2dFGRS p. 447
P. Tzanavaris, I. Georgantopoulos, and A. Georgakakis
DOI: http://dx.doi.org/10.1051/0004-6361:20054630
Abstract | Full HTML | PDF (158 KB) | PS (65.5 KB) | References | SIMBAD record | NASA ADS Abstract Service

A multi-wavelength study of the IRAS Deep Survey galaxy sample - I. Optical observations. The redshift distribution p. 453
A. della Valle, P. Mazzei, D. Bettoni, H. Aussel, and G. De Zotti
DOI: http://dx.doi.org/10.1051/0004-6361:20064860
Abstract | Full HTML | PDF (1.07 MB) | PS (1.59 MB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

Spectral line variability amplitudes in active galactic nuclei p. 459
W. Kollatschny, M. Zetzl, and M. Dietrich
DOI: http://dx.doi.org/10.1051/0004-6361:20054357
Abstract | Full HTML | PDF (367 KB) | PS (146 KB) | References | SIMBAD record | NASA ADS Abstract Service

Multifractality in a ring of star formation: the case of Arp 220 p. 473
R. de la Fuente Marcos, and C. de la Fuente Marcos
DOI: http://dx.doi.org/10.1051/0004-6361:20054776
Abstract | Full HTML | PDF (377 KB) | PS (474 KB) | References | SIMBAD record | NASA ADS Abstract Service

SINFONI adaptive optics integral field spectroscopy of the Circinus Galaxy p. 481
F. Mueller Sánchez, R. I. Davies, F. Eisenhauer, L. J. Tacconi, R. Genzel, and A. Sternberg
DOI: http://dx.doi.org/10.1051/0004-6361:20054387
Abstract | Full HTML | PDF (532 KB) | PS (346 KB) | References | SIMBAD record | NASA ADS Abstract Service

Strange magnification pattern in the large separation lens SDSS J1004+4112 from optical to X-rays p. 493
G. Lamer, A. Schwope, L. Wisotzki, and L. Christensen
DOI: http://dx.doi.org/10.1051/0004-6361:20064934
Abstract | Full HTML | PDF (446 KB) | PS (546 KB) | References | SIMBAD record | NASA ADS Abstract Service

Supernova 2006aj and the associated X-Ray Flash 060218 p. 503
J. Sollerman et al.
DOI: http://dx.doi.org/10.1051/0004-6361:20065226
Abstract | Full HTML | PDF (239 KB) | PS (131 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

- Galactic structure, stellar clusters, and populations

Restoring color–magnitude diagrams with the Richardson-Lucy algorithm p. 511
M. Cignoni, and S. N. Shore
DOI: http://dx.doi.org/10.1051/0004-6361:20054232
Abstract | Full HTML | PDF (1.24 MB) | PS (179 KB) | References | NASA ADS Abstract Service

- Interstellar and circumstellar matter

10⁵¹ erg less: the Galactic H II region OA 184 p. 517
T. Foster, R. Kothes, X. H. Sun, W. Reich, and J. L. Han
DOI: http://dx.doi.org/10.1051/0004-6361:20064881
Abstract | Full HTML | PDF (1.99 MB) | PS (2.27 MB) | References | SIMBAD record | NASA ADS Abstract Service

- Stellar structure and evolution

A search for photometric variability of hydrogen-deficient planetary-nebula nuclei p. 527
J. M. González Pérez, J.-E. Solheim, and R. Kamben
DOI: http://dx.doi.org/10.1051/0004-6361:20053468
Abstract | Full HTML | PDF (902 KB) | PS (2.80 MB) | References | SIMBAD record | NASA ADS Abstract Service

Non-thermal pulsed X-ray emission from rotation-powered pulsars p. 537
L. Zhang, and Z. J. Jiang
DOI: http://dx.doi.org/10.1051/0004-6361:20052758
Abstract | Full HTML | PDF (128 KB) | PS (63.3 KB) | References | SIMBAD record | NASA ADS Abstract Service

X-ray observations of RX J0822-4300 and Puppis-A p. 543
C. Y. Hui, and W. Becker
DOI: http://dx.doi.org/10.1051/0004-6361:20053554
Abstract | Full HTML | PDF (2.13 MB) | PS (11.5 MB) | References | SIMBAD record | NASA ADS Abstract Service

Spectroscopic characterization of a sample of southern visual binaries p. 553
S. Desidera, R. G. Gratton, S. Lucatello, R. U. Claudi, and T. H. Dall
DOI: http://dx.doi.org/10.1051/0004-6361:20064895
Abstract | Full HTML | PDF (215 KB) | PS (87.8 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

The origin and fate of short-period low-mass black-hole binaries p. 559
L. R. Yungelson, J.-P. Lasota, G. Nelemans, G. Dubus, E. P. J. van den Heuvel, J. Dewi, and S. Portegies Zwart
DOI: http://dx.doi.org/10.1051/0004-6361:20064984
Abstract | Full HTML | PDF (575 KB) | PS (317 KB) | References | SIMBAD record | NASA ADS Abstract Service

- Stellar atmospheres

Radiative diffusion in stellar atmospheres: diffusion velocities p. 571
G. Alecian, and M. J. Stift
DOI: http://dx.doi.org/10.1051/0004-6361:20054558
Abstract | Full HTML | PDF (219 KB) | PS (125 KB) | References | Online Material | NASA ADS Abstract Service

Abundance difference between components of wide binaries - II. The southern sample p. 581
S. Desidera, R. G. Gratton, S. Lucatello, and R. U. Claudi
DOI: http://dx.doi.org/10.1051/0004-6361:20064896
Abstract | Full HTML | PDF (3.94 MB) | PS (757 KB) | References | Online Material | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

X-ray emission from T Tauri stars in the Lupus 3 star-forming region p. 595
P. Gondoin
DOI: http://dx.doi.org/10.1051/0004-6361:20054350
Abstract | Full HTML | PDF (401 KB) | PS (218 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service

Modelling chromospheric line profiles in NGC 2808: evidence of mass loss from RGB stars p. 609
P. J. D. Mauas, C. Cacciari, and L. Pasquini
DOI: http://dx.doi.org/10.1051/0004-6361:20054792
Abstract | Full HTML | PDF (244 KB) | PS (74.2 KB) | References | SIMBAD record | NASA ADS Abstract Service

Spectral analyses of eighteen hot H-deficient (pre-) white dwarfs from the Sloan Digital Sky Survey Data Release 4 p. 617
S. D. Hügelmeyer, S. Dreizler, D. Homeier, J. Krzesiński, K. Werner, A. Nitta, and S. J. Kleinman
DOI: http://dx.doi.org/10.1051/0004-6361:20064869
Abstract | Full HTML | PDF (686 KB) | PS (261 KB) | References | SIMBAD record | NASA ADS Abstract Service

Bright OB stars in the Galaxy - III. Constraints on the radial stratification of the clumping factor in hot star winds from a combined H , IR and radio analysis p. 625
J. Puls, N. Markova, S. Scuderi, C. Stanghellini, O. G. Taranova, A. W. Burnley, and I. D. Howarth
DOI: http://dx.doi.org/10.1051/0004-6361:20065073
Abstract | Full HTML | PDF (1.37 MB) | PS (556 KB) | References | Online Material | SIMBAD record | NASA ADS Abstract Service

- The Sun

Numerical simulations of impulsively generated vertical oscillations in a solar coronal arcade loop p. 653
M. Selwa, S. K. Solanki, K. Murawski, T. J. Wang, and U. Shumlak
DOI: http://dx.doi.org/10.1051/0004-6361:20054286
Abstract | Full HTML | PDF (6.02 MB) | PS (3.27 MB) | References | NASA ADS Abstract Service

Quiet sun magnetic field diagnostics with a Mn line p. 663
A. López Ariste, S. Tomczyk, and R. Casini
DOI: http://dx.doi.org/10.1051/0004-6361:20054657
Abstract | Full HTML | PDF (209 KB) | PS (161 KB) | References | NASA ADS Abstract Service

- Planets and planetary systems

Dependence of the Io-related decametric radio emission of Jupiter on the central meridian longitude and Io's “active” longitudes p. 669
V. V. Zaitsev, V. E. Shaposhnikov, and H. O. Rucker
DOI: http://dx.doi.org/10.1051/0004-6361:20054450
Abstract | Full HTML | PDF (545 KB) | PS (3.08 MB) | References | NASA ADS Abstract Service

Near infra-red spectroscopy of the asteroid 21 Lutetia - I. New results of long-term campaign p. 677
M. Birlan, P. Vernazza, M. Fulchignoni, M. A. Barucci, P. Descamps, R. P. Binzel, and S. J. Bus
DOI: http://dx.doi.org/10.1051/0004-6361:20054460
Abstract | Full HTML | PDF (633 KB) | PS (891 KB) | References | SIMBAD record | NASA ADS Abstract Service

Puck satellite Earth-based observations p. 683
C. H. Veiga, and P. Bourget
DOI: http://dx.doi.org/10.1051/0004-6361:20064977
Abstract | Full HTML | PDF (123 KB) | PS (153 KB) | References | Tables at CDS | SIMBAD record | NASA ADS Abstract Service