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Astronomy & Astrophysics

Vol. 371, No. 3 (June I 2001)

ROSAT PSPC/HRI false colour image of the Lockmam Hole region (Lehmann, I., et al., p. 834)
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-  Letters
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On the detection of the first extragalactic classical chemically peculiar stars    p. L5
H. M. Maitzen, E. Paunzen and O. I. Pintado
DOI: http://dx.doi.org/10.1051/0004-6361:20010431
Abstract Full HTML PDF (522 KB) PS (339 KB) References SIMBAD record NASA ADS Abstract Service


-  Cosmology
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New constraints on the cosmic mid-infrared background using TeV gamma-ray astronomy    p. 771
C. Renault, A. Barrau, G. Lagache and J.-L. Puget
DOI: http://dx.doi.org/10.1051/0004-6361:20010448
Abstract Full HTML PDF (305 KB) PS (215 KB) References SIMBAD record NASA ADS Abstract Service

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K-band versus I-band surface brightness fluctuations as distance indicators    p. 779
S. Mei, P. J. Quinn and D. R. Silva
DOI: http://dx.doi.org/10.1051/0004-6361:20010427
Abstract Full HTML PDF (401 KB) PS (254 KB) References SIMBAD record NASA ADS Abstract Service



-  Extragalactic astronomy
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Symmetry of black hole ejections in mergers of galaxies    p. 795
P. Heinämäki
DOI: http://dx.doi.org/10.1051/0004-6361:20010460
Abstract Full HTML PDF (188 KB) PS (413 KB) References NASA ADS Abstract Service

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On faint companions in the close environment of star-forming dwarf galaxies - Possible external star formation triggers?    p. 806
K. G. Noeske, J. Iglesias-Páramo, J. M. Vílchez, P. Papaderos and K. J. Fricke
DOI: http://dx.doi.org/10.1051/0004-6361:20010446
Abstract Full HTML PDF (161 KB) PS (153 KB) References SIMBAD record NASA ADS Abstract Service

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ROSAT X-ray sources in the field of the LMC - I. Total LMC gas from the background AGN spectral fits    p. 816
P. Kahabka, K. S. de Boer and C. Brüns
DOI: http://dx.doi.org/10.1051/0004-6361:20010453
Abstract Full HTML PDF (913 KB) PS (2.12 MB) References SIMBAD record NASA ADS Abstract Service

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The ROSAT Deep Survey - VI. X-ray sources and Optical identifications of the Ultra Deep Survey    p. 833
I. Lehmann, G. Hasinger, M. Schmidt, R. Giacconi, J. Trümper, G. Zamorani, J. E. Gunn, L. Pozzetti, D. P. Schneider, T. Stanke, et al. (3 more)
DOI: http://dx.doi.org/10.1051/0004-6361:20010419
Abstract Full HTML PDF (1.48 MB) PS (2.70 MB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

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RXTE monitoring of Centaurus A    p. 858
S. Benlloch, R. E. Rothschild, J. Wilms, C. S. Reynolds, W. A. Heindl and R. Staubert
DOI: http://dx.doi.org/10.1051/0004-6361:20010438
Abstract Full HTML PDF (236 KB) PS (205 KB) References SIMBAD record NASA ADS Abstract Service

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CO J = 3-2 mapping of the molecular circumnuclear disk in Centaurus A    p. 865
H. Liszt
DOI: http://dx.doi.org/10.1051/0004-6361:20010443
Abstract Full HTML PDF (1.41 MB) PS (922 KB) References SIMBAD record NASA ADS Abstract Service

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The globular cluster system of NGC 1316 (Fornax A)    p. 875
M. Gómez, T. Richtler, L. Infante and G. Drenkhahn
DOI: http://dx.doi.org/10.1051/0004-6361:20010457
Abstract Full HTML PDF (387 KB) PS (254 KB) References SIMBAD record NASA ADS Abstract Service

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Circumnuclear obscuration of the Circinus galaxy by a starburst-radiation supported wall    p. 890
K. Ohsuga and M. Umemura
DOI: http://dx.doi.org/10.1051/0004-6361:20010461
Abstract Full HTML PDF (228 KB) PS (251 KB) References SIMBAD record NASA ADS Abstract Service

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Background galaxies as reddening probes throughout the Magellanic Clouds    p. 895
C. M. Dutra, E. Bica, J. J. Clariá, A. E. Piatti and A. V. Ahumada
DOI: http://dx.doi.org/10.1051/0004-6361:20010467
Abstract Full HTML PDF (376 KB) PS (340 KB) References SIMBAD record NASA ADS Abstract Service



-  Stellar clusters and associations
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The open cluster Havlen-Moffat No. 1 revisited    p. 908
R. A. Vázquez and G. Baume
DOI: http://dx.doi.org/10.1051/0004-6361:20010410
Abstract Full HTML PDF (300 KB) PS (618 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

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On the white dwarf distances to galactic globular clusters    p. 921
M. Salaris, S. Cassisi, E. GarcíaBerro, J. Isern and S. Torres
DOI: http://dx.doi.org/10.1051/0004-6361:20010388
Abstract Full HTML PDF (310 KB) PS (250 KB) References SIMBAD record NASA ADS Abstract Service



-  Formation, structure and evolution of stars
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Hα emission line spectroscopy in NGC 330 - On the hybrid model for global oscillations in Be star circumstellar disks    p. 932
W. Hummel, W. Gässler, B. Muschielok, H. Schink, H. Nicklas, G. Conti, E. Mattaini, S. Keller, K.-H. Mantel, I. Appenzeller, et al. (4 more)
DOI: http://dx.doi.org/10.1051/0004-6361:20010386
Abstract Full HTML PDF (245 KB) PS (206 KB) References SIMBAD record NASA ADS Abstract Service

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Lithium abundances for 185 main-sequence stars - Galactic evolution and stellar depletion of lithium    p. 943
Y. Q. Chen, P. E. Nissen, T. Benoni and G. Zhao
DOI: http://dx.doi.org/10.1051/0004-6361:20010371
Abstract Full HTML PDF (382 KB) PS (225 KB) References Online Material Tables at CDS SIMBAD record NASA ADS Abstract Service

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A two-step initial mass function: - Consequences of clustered star formation for binary properties    p. 952
R. H. Durisen, M. F. Sterzik and B. K. Pickett
DOI: http://dx.doi.org/10.1051/0004-6361:20010390
Abstract Full HTML PDF (233 KB) PS (169 KB) References NASA ADS Abstract Service

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The birth of strange stars and their dynamo-originated magnetic fields    p. 963
R. X. Xu and F. H. Busse
DOI: http://dx.doi.org/10.1051/0004-6361:20010450
Abstract Full HTML PDF (189 KB) PS (177 KB) References SIMBAD record NASA ADS Abstract Service

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Quiescent and flare analysis for the chromospherically active star Gl 355 (LQ Hya)    p. 973
S. Covino, M. R. Panzera, G. Tagliaferri and R. Pallavicini
DOI: http://dx.doi.org/10.1051/0004-6361:20010454
Abstract Full HTML PDF (283 KB) PS (319 KB) References SIMBAD record NASA ADS Abstract Service

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Fourier decomposition and frequency analysis of the pulsating stars with 1 d in the OGLE database - I. Monoperiodic Delta Scuti, RRc and RRab variables. Separation criteria and particularities    p. 986
E. Poretti
DOI: http://dx.doi.org/10.1051/0004-6361:20010462
Abstract Full HTML PDF (610 KB) PS (507 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

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An active binary XY UMa revisited    p. 997
T. Pribulla, D. Chochol, P. A. Heckert, L. Errico, A. A. Vittone, Š. Parimucha and M. Teodorani
DOI: http://dx.doi.org/10.1051/0004-6361:20010459
Abstract Full HTML PDF (1.16 MB) PS (1.09 MB) References Online Material SIMBAD record NASA ADS Abstract Service

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Magnetic field structure in the outer OH maser envelope of VX Sagittarii    p. 1012
M. Szymczak, R. J. Cohen and A. M. S. Richards
DOI: http://dx.doi.org/10.1051/0004-6361:20010451
Abstract Full HTML PDF (155 KB) PS (396 KB) References SIMBAD record NASA ADS Abstract Service

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The identification of the optical/IR counterpart of the 29.5-s transient X-ray pulsar GS 1843+009    p. 1018
G. L. Israel, I. Negueruela, S. Campana, S. Covino, A. Di Paola, D. H. Maxwell, A. J. Norton, R. Speziali, F. Verrecchia and L. Stella
DOI: http://dx.doi.org/10.1051/0004-6361:20010417
Abstract Full HTML PDF (259 KB) PS (312 KB) References SIMBAD record NASA ADS Abstract Service

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I. UBV photometry of selected members of the Pleiades and Alpha Persei clusters in 1999    p. 1024
S. Messina
DOI: http://dx.doi.org/10.1051/0004-6361:20010466
Abstract Full HTML PDF (489 KB) PS (256 KB) References SIMBAD record NASA ADS Abstract Service

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Line-profile variations of the double-lined spectroscopic binary κ Scorpii    p. 1035
K. Uytterhoeven, C.Aerts, P. De Cat, K. De Mey, J. H. Telting, C. Schrijvers, J. De Ridder, K. Daems, G. Meeus and C. Waelkens
DOI: http://dx.doi.org/10.1051/0004-6361:20010456
Abstract Full HTML PDF (1.05 MB) PS (3.28 MB) References SIMBAD record NASA ADS Abstract Service

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The Naini Tal -Cape survey for pulsations in chemically peculiar A-type stars - I. Methods and preliminary results    p. 1048
P. Martinez, D. W. Kurtz, B. N. Ashoka, U. S. Chaubey, V. Girish, S. K. Gupta, S. Joshi, K. Kasturirangan, R. Sagar and S. Seetha
DOI: http://dx.doi.org/10.1051/0004-6361:20010432
Abstract Full HTML PDF (423 KB) PS (380 KB) References SIMBAD record NASA ADS Abstract Service

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On the nature of the hard X-ray source 4U 2206+54    p. 1056
I. Negueruela and P. Reig
DOI: http://dx.doi.org/10.1051/0004-6361:20010476
Abstract Full HTML PDF (431 KB) PS (314 KB) References SIMBAD record NASA ADS Abstract Service



-  Stellar atmospheres
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Spectra of carbon-rich asymptotic giant branch stars between 0.5 and 2.5 μm: Theory meets observation    p. 1065
R. Loidl, A. Lançon and U. G. Jørgensen
DOI: http://dx.doi.org/10.1051/0004-6361:20010400
Abstract Full HTML PDF (1.47 MB) PS (658 KB) References SIMBAD record NASA ADS Abstract Service

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Elemental abundance analyses with DAO spectrograms - XXV. The superficially normal B and A stars α Draconis, τ Herculis, γ Lyrae, and HR 7926    p. 1078
Saul J. Adelman, H. Caliskan, D. Kocer, H. Kablan, K. Yüce and S. Engin
DOI: http://dx.doi.org/10.1051/0004-6361:20010408
Abstract Full HTML PDF (113 KB) PS (122 KB) References Tables at CDS SIMBAD record NASA ADS Abstract Service

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Opacity distribution in static and moving media    p. 1084
B. Baschek, W. v. Waldenfels and R. Wehrse
DOI: http://dx.doi.org/10.1051/0004-6361:20010440
Abstract Full HTML PDF (393 KB) PS (540 KB) References NASA ADS Abstract Service



-  Formation and evolution of planetary systems
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Reshaping the outskirts of planetary systems    p. 1097
C. de la Fuente Marcos and R. de la Fuente Marcos
DOI: http://dx.doi.org/10.1051/0004-6361:20010421
Abstract Full HTML PDF (219 KB) PS (144 KB) References NASA ADS Abstract Service

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Two-dimensional distributions and column densities of gaseous molecules in protoplanetary disks - II. Deuterated species and UV shielding by ambient clouds    p. 1107
Y. Aikawa and E. Herbst
DOI: http://dx.doi.org/10.1051/0004-6361:20010416
Abstract Full HTML PDF (378 KB) PS (191 KB) References SIMBAD record NASA ADS Abstract Service



-  Diffuse matter in space
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The structure and kinematics of the HH 444 photoionized jet in the σ Orionis region    p. 1118
L. López-Martín, A. C. Raga, J. A. López and J. Meaburn
DOI: http://dx.doi.org/10.1051/0004-6361:20010373
Abstract Full HTML PDF (348 KB) PS (384 KB) References SIMBAD record NASA ADS Abstract Service


-  The Sun
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Solar models and electron screening    p. 1123
A. Weiss, M. Flaskamp and V. N. Tsytovich
DOI: http://dx.doi.org/10.1051/0004-6361:20010225
Abstract Full HTML PDF (154 KB) PS (155 KB) References NASA ADS Abstract Service

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Investigation of temperature and velocity fluctuations through the solar photosphere with the Na I D lines    p. 1128
M. T. Eibe, P. Mein, Th. Roudier and M. Faurobert
DOI: http://dx.doi.org/10.1051/0004-6361:20010464
Abstract Full HTML PDF (393 KB) PS (249 KB) References NASA ADS Abstract Service

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The nature of network oscillations    p. 1137
D. Banerjee, E. O'Shea, J. G. Doyle and M. Goossens
DOI: http://dx.doi.org/10.1051/0004-6361:20010426
Abstract Full HTML PDF (1.06 MB) PS (1.20 MB) References NASA ADS Abstract Service



-  The solar system
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Analysis of Trans-Neptunian and Centaur colours: continuous trend or grouping?    p. 1150
M. A. Barucci, M. Fulchignoni, M. Birlan, A. Doressoundiram, J. Romon and H. Boehnhardt
DOI: http://dx.doi.org/10.1051/0004-6361:20010501
Abstract Full HTML PDF (108 KB) PS (109 KB) References NASA ADS Abstract Service


-  Physical and chemical processes
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Acceleration and collimation of relativistic plasmas ejected by fast rotators    p. 1155
S. V. Bogovalov
DOI: http://dx.doi.org/10.1051/0004-6361:20010201
Abstract Full HTML PDF (610 KB) PS (946 KB) References NASA ADS Abstract Service