Astronomy & Astrophysics

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A&A Vol. 374 No. 1

	Astronomy and Astrophysics
	Vol. 374 No. 1 (July IV 2001)
Cover illustration: Simulation of a NIR Galactic Center snapshot taken with the LBT interferometer (Rubilar, G. F., & Eckart, A., p. 101)

Letters

The companion of HD 190228: Planet or brown dwarf? p. L1
Y. Q. Chen and G. Zhao
Abstract | References | Full HTML | PDF file (150 KB) | PS file (268 KB)

P-mode observations on $\vec {\alpha}$ Cen A p. L5
F. Bouchy and F. Carrier
Abstract | References | Full HTML | PDF file (306 KB) | PS file (403 KB)

Cosmology

How accurately can the SZ effect measure peculiar cluster velocities and bulk flows? p. 1
N. Aghanim, K. M. Górski and J.-L. Puget
Abstract | References | Full HTML | PDF file (277 KB) | PS file (192 KB)

Trajectories of the images in binary microlensing p. 13
V. Bozza
Abstract | References | Full HTML | PDF file (730 KB) | PS file (601 KB)

Extragalactic astronomy

ASCA observations of massive medium-distant clusters of galaxies. II. p. 28
H. Matsumoto, M. Pierre, T. G. Tsuru and D. S. Davis
Abstract | References | Full HTML | PDF file (471 KB) | PS file (347 KB)

Generation of bisymmetric magnetic fields in galaxies with tidal interaction p. 36
A. Vögler and D. Schmitt
Abstract | References | Full HTML | PDF file (220 KB) | PS file (182 KB)

Warm dust as a tracer of galaxies with gaseous halos p. 42
M. Dahlem, J. S. Lazendic, R. F. Haynes, M. Ehle and U. Lisenfeld
Abstract | References | Full HTML | PDF file (4.07 MB) | PS file (4.69 MB)

Discovery of an absorbed cluster of galaxies (XMMU J183225.4-103645) close to the Galactic plane with XMM-Newton p. 66
J. Nevalainen, D. Lumb, S. dos Santos, H. Siddiqui, G. Stewart and A. N. Parmar
Abstract | References | Full HTML | PDF file (187 KB) | PS file (295 KB)

Excess hard X-ray emission from the obscured low luminosity AGN in the nearby galaxy M 51 (NGC 5194) p. 73
Y. Fukazawa, N. Iyomoto, A. Kubota, Y. Matsumoto and K. Makishima
Abstract | References | Full HTML | PDF file (287 KB) | PS file (323 KB)

The visible environment of galaxies with counterrotation p. 83
D. Bettoni, G. Galletta and F. Prada
Abstract | References | Full HTML | PDF file (144 KB) | PS file (144 KB)

A catalogue of quasars and active nuclei: 10th edition p. 92
M.-P. Véron-Cetty and P. Véron
Abstract | References | Full HTML | PDF file (78.3 KB) | PS file (93.0 KB)

Galactic structure and dynamics

Periastron shifts of stellar orbits near the Galactic Center p. 95
G. F. Rubilar and A. Eckart
Abstract | References | Full HTML | PDF file (322 KB) | PS file (394 KB)

Stellar clusters and associations

The problem of the Pleiades distance - Constraints from Strömgren photometry of nearby field stars p. 105
D. Stello and P. E. Nissen
Abstract | References | Full HTML | PDF file (596 KB) | PS file (234 KB)

Formation, structure and evolution of stars

Nonlinear effects in time-resolved spectra of DAVs p. 116
J. Ising and D. Koester
Abstract | References | Full HTML | PDF file (681 KB) | PS file (394 KB)

CCD photometry and astrometry for visual double and multiple stars of the HIPPARCOS catalogue - III. CCD photometry and differential astrometry for 253 southern "intermediate" systems p. 132
P. Lampens, E. Oblak, D. Duval and M. Chareton
Abstract | References | Full HTML | PDF file (256 KB) | PS file (215 KB)

Thermal conductivity of neutrons in neutron star cores p. 151
D. A. Baiko, P. Haensel and D. G. Yakovlev
Abstract | References | Full HTML | PDF file (314 KB) | PS file (292 KB)

A photometric study of BH Cas p. 164
S. Zola, P. Niarchos, V. Manimanis and A. Dapergolas
Abstract | References | Full HTML | PDF file (239 KB) | PS file (240 KB)

Surface imaging of HD 199178 (V1794 Cygni) p. 171
T. Hackman, L. Jetsu and I. Tuominen
Abstract | References | Full HTML | PDF file (1.25 MB) | PS file (674 KB)

Population synthesis of pulsars: Magnetic field effects p. 182
T. Regimbau and J. A. de Freitas Pacheco
Abstract | References | Full HTML | PDF file (277 KB) | PS file (746 KB)

Photometry of the low accretion rate polar HS 1023+3900 p. 189
R. Schwarz, A. D. Schwope and A. Staude
Abstract | References | Full HTML | PDF file (335 KB) | PS file (208 KB)

What can we learn from the surface chemical composition of the optical companions of Soft X-ray transients? p. 195
E. Ergma and M. J. Sarna
Abstract | References | Full HTML | PDF file (191 KB) | PS file (544 KB)

Eclipsing binaries with candidate CP stars - II. Parameters of the system V392 Carinae p. 204
Y. Debernardi and P. North
Abstract | References | Full HTML | PDF file (335 KB) | PS file (264 KB)

Thermal structure and cooling of neutron stars with magnetized envelopes p. 213
A. Y. Potekhin and D. G. Yakovlev
Abstract | References | Full HTML | PDF file (447 KB) | PS file (402 KB)

New spectroscopic components in multiple systems. IV. p. 227
A. A. Tokovinin and N. A. Gorynya
Abstract | References | Full HTML | PDF file (238 KB) | PS file (213 KB)

Period and amplitude variations in the high-amplitude $\delta$ Scuti star AE Ursae Majoris p. 235
A.-Y. Zhou
Abstract | References | Full HTML | PDF file (167 KB) | PS file (366 KB)

Apsidal motion in eccentric eclipsing binaries: TV Ceti and V451 Ophiuchi p. 243
M. Wolf, R. Diethelm and K. Hornoch
Abstract | References | Full HTML | PDF file (157 KB) | PS file (162 KB)

Pre-main sequence dynamos and relic magnetic fields of solar-type stars p. 250
L. L. Kitchatinov, M. Jardine and A. Collier Cameron
Abstract | References | Full HTML | PDF file (553 KB) | PS file (307 KB)

On the age of PSR B 1509-58 p. 259
V. V. Gvaramadze
Abstract | References | Full HTML | PDF file (113 KB) | PS file (115 KB)

Erratum
Empirical relations for cluster RR Lyrae stars revisited p. 264
G. Kovács and A. R. Walker
Abstract | Full HTML | PDF file (45.2 KB) | PS file (56.8 KB)

Stellar atmospheres

LTE spectrum synthesis in magnetic stellar atmospheres - The interagreement of three independent polarised radiative transfer codes p. 265
G. A. Wade, S. Bagnulo, O. Kochukhov, J. D. Landstreet, N. Piskunov and M. J. Stift
Abstract | References | Full HTML | PDF file (615 KB) | PS file (328 KB)

Diffuse matter in space

The physical structure of the planetary nebula NGC 6781 p. 280
F. Mavromatakis, J. Papamastorakis and E. V. Paleologou
Abstract | References | Full HTML | PDF file (234 KB) | PS file (383 KB)

Interstellar extinction in the California Nebula region p. 288
V. Straizys, K. Cernis and S. Bartasiute
Abstract | References | Full HTML | PDF file (228 KB) | PS file (181 KB)

The sun

Relationship in sign between tilt and twist in active region magnetic fields p. 294
L. Tian, S. Bao, H. Zhang and H. Wang
Abstract | References | Full HTML | PDF file (199 KB) | PS file (159 KB)

Circulation-dominated solar shell dynamo models with positive alpha-effect p. 301
M. Küker, G. Rüdiger and M. Schultz
Abstract | References | Full HTML | PDF file (2.33 MB) | PS file (677 KB)

Solar differential rotation determined by tracing coronal bright points in SOHO-EIT images - I. Interactive and automatic methods of data reduction p. 309
R. Brajsa, H. Wöhl, B. Vrsnak, V. Ruzdjak, F. Clette and J.-F. Hochedez
Abstract | References | Full HTML | PDF file (217 KB) | PS file (170 KB)

Coronal restructuring and electron acceleration following a filament eruption p. 316
Ch. Marqué, P. Lantos, K.-L. Klein and J. M. Delouis
Abstract | References | Full HTML | PDF file (2.17 MB) | PS file (3.00 MB)

The solar system

Effects of irregular shape and topography in thermophysical models of heterogeneous cometary nuclei p. 326
P. J. Gutiérrez, J. L. Ortiz, R. Rodrigo and J. J. López-Moreno
Abstract | References | Full HTML | PDF file (495 KB) | PS file (515 KB)

Physical and chemical processes

Spatial aspect of wave transformations in astrophysical flows p. 337
G. Bodo, S. Poedts, A. Rogava and P. Rossi
Abstract | References | Full HTML | PDF file (1.65 MB) | PS file (962 KB)

Instruments, observational techniques and data processing

Systematic observations of anomalous refraction at millimeter wavelengths p. 348
L. Olmi
Abstract | References | Full HTML | PDF file (437 KB) | PS file (498 KB)

MAPCUMBA: A fast iterative multi-grid map-making algorithm for CMB experiments p. 358
O. Doré, R. Teyssier, F. R. Bouchet, D. Vibert and S. Prunet
Abstract | References | Full HTML | PDF file (1.31 MB) | PS file (1.38 MB)

Astronomy and Astrophysics