Astronomy & Astrophysics (A&A)

A. O. Jaunsen, M. I. Andersen, J. Hjorth, J. P. U. Fynbo, S. T. Holland, B. Thomsen, J. Gorosabel, B. E. Schaefer, G. Björnsson, P. Natarajan and N. R. Tanvir

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030154

Free Access

AGB stars in the Magellanic Clouds - I. The C/M ratio p. 133

M.-R. L. Cioni and H. J. Habing

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030226

Free Access

The recent X–ray history of NGC 5506 p. 141

S. Bianchi, I. Balestra, G. Matt, M. Guainazzi and G. C. Perola

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030210

Free Access

Optical and radio behaviour of the BL Lacertae object 0716+714 p. 151

C. M. Raiteri, M. Villata, G. Tosti, R. Nesci, E. Massaro, M. F. Aller, H. D. Aller, H. Teräsranta, O. M. Kurtanidze, M. G. Nikolashvili et al. (17 more)

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030256

Free Access

The determination of the spectral turnover in faint Compact Steep-Spectrum radio sources using the VLA at 74 MHz p. 171

W. Tschager, R. T. Schilizzi, H. J. A. Röttgering, I. A. G. Snellen, G. K. Miley and R. A. Perley

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030232

Free Access

Erratum

A bright early-type star in the halo of NGC 253: Runaway or in situ formation? p. 181

F. Comerón, A. E. Gómez and J. Torra

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030311

Interstellar and circumstellar matter

Free Access

The 1.2 mm image of the β Pictoris disk p. 183

R. Liseau, A. Brandeker, M. Fridlund, G. Olofsson, T. Takeuchi and P. Artymowicz

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030194

Free Access

The chemistry of protoplanetary nebulae p. 189

P. M. Woods, T. J. Millar, E. Herbst and A. A. Zijlstra

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030215

Free Access

Cyclotron spectroscopy of HU Aquarii p. 201

A. D. Schwope, H.-C. Thomas, K.-H. Mantel, R. Haefner and A. Staude

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030235

Free Access

The circumstellar envelope of the C-rich post-AGB star HD 56126 p. 211

S. Hony, A. G. G. M. Tielens, L. B. F. M. Waters and A. de Koter

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030240

Stellar structure and evolution

Free Access

Binary nature and elemental abundances of 2 Lyn and HD 169981 p. 229

H. Lehmann, I. Egorova, G. Scholz, G. Hildebrandt and S. M. Andrievsky

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030253

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Variability of the Hα emission of Cygnus X-1 and its connection with the soft X-ray radiation p. 237

A. E. Tarasov, C. Brocksopp and V. M. Lyuty

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030148

Free Access

On the evolutionary status of chemically peculiar stars of the upper main sequence p. 247

H. Pöhnl, H. M. Maitzen and E. Paunzen

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030266

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Stellar and circumstellar activity of the Be star ω CMa - I. Line and continuum emission in 1996–2002 p. 253

S. Štefl, D. Baade, Th. Rivinius, S. Otero, O. Stahl, A. Budovičová, A. Kaufer and M. Maintz

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030224

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Orbital motion of the massive multiple stars in the Orion Trapezium p. 267

D. Schertl, Y. Y. Balega, Th. Preibisch and G. Weigelt

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030225

Free Access

Time evolution of X-ray coronal activity in PMS stars; a possible relation with the evolution of accretion disks p. 277

E. Flaccomio, G. Micela and S. Sciortino

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030203

Free Access

A new seismic analysis of Alpha Centauri p. 293

A. Thoul, R. Scuflaire, A. Noels, B. Vatovez, M. Briquet, M.-A. Dupret and J. Montalban

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030244

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On the elemental abundance and isotopic mixture of mercury in HgMn stars p. 299

L. Dolk, G. M. Wahlgren and S. Hubrig

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030213

Free Access

Infrared spectroscopy of the supersoft X-ray source MR Vel p. 315

R. E. Mennickent, K. Matsumoto and M. Diaz

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030262

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Unusual subpulse modulation in PSR B0320+39 p. 321

R. T. Edwards, B. W. Stappers and A. G. J. van Leeuwen

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030255

Stellar atmospheres

Free Access

Elemental abundance studies of CP stars - The helium-weak stars HD 19400, HD 34797 and HD 35456* p. 331

M. S. Alonso, Z. López–García, S. Malaroda and F. Leone

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030222

Free Access

Physical parameters of helium-rich subdwarf B stars from medium resolution optical spectroscopy p. 335

A. Ahmad and C. S. Jeffery

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030233

Free Access

Oxygen line formation in late-F through early-K disk/halo stars - Infrared O I triplet and [O I] lines p. 343

Y. Takeda

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030217

The Sun

Free Access

On the nature of the chromospheric fine structure - I. Dynamics of dark mottles and grains p. 361

K. Tziotziou, G. Tsiropoula and P. Mein

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030220

Planets and planetary systems

Free Access

Mars: Mapping surface units by means of statistical analysis of TES spectra p. 373

F. Altieri and G. Bellucci

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030027

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Production and kinematics of CO in comet C/1995 O1 (Hale-Bopp) at large post-perihelion distances p. 383

M. Gunnarsson, D. Bockelée-Morvan, A. Winnberg, H. Rickman, J. Crovisier, N. Biver, P. Colom, J. K. Davies, D. Despois, F. Henry et al. (4 more)

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030178

Astronomical instrumentation

Free Access

Stellar photometry with the Carte du Ciel plates - I. Method p. 395

F. Lamareille, J. Thiévin, B. Fournis, P. Grimault, L. Broquet and E. Davoust

Published online: 07 April 2003

DOI: https://doi.org/10.1051/0004-6361:20030246

Astronomy & Astrophysics

Volume 402 / No 1 (April IV 2003)

Letters

A gas and dust rich giant elliptical galaxy in the ISOPHOT Serendipity Survey p. L1

A stream of particles from the β Pictoris disc: A possible ejection mechanism p. L5

The afterglow of GRB 021211: Another case of reverse shock emission p. L9

Astrophysical processes

Transfer of radiation through cyclopropenylidene and ethylene oxide p. 1

Depolarisation rates of Ca II s, p and d levels by isotropic collisions with hydrogen atoms p. 5

The influence of radiative effects on the accretion onto stellar magnetospheres p. 13

Quantum corrections to microscopic diffusion constants p. 29

Cosmology (including clusters of galaxies)

UV to radio centimetric spectral energy distributions of optically-selected late-type galaxies in the Virgo cluster p. 37

Observational constraints on general relativistic energy conditions, cosmic matter density and dark energy from X-ray clusters of galaxies and type-Ia supernovae p. 53

Extragalactic astronomy

Star forming rates between z = 0.25 and z = 1.2 from the CADIS emission line survey p. 65

Constraints to the evolution of Ly-α bright galaxies between z = 3 and z = 6 p. 79

The ISO view of Palomar-Green quasars p. 87

Identification of 13 Cepheids and 333 other variables in M 31 p. 113

An HST study of three very faint GRB host galaxies p. 125

AGB stars in the Magellanic Clouds - I. The C/M ratio p. 133

The recent X–ray history of NGC 5506 p. 141

Optical and radio behaviour of the BL Lacertae object 0716+714 p. 151

The determination of the spectral turnover in faint Compact Steep-Spectrum radio sources using the VLA at 74 MHz p. 171

A bright early-type star in the halo of NGC 253: Runaway or in situ formation? p. 181

Interstellar and circumstellar matter

The 1.2 mm image of the β Pictoris disk p. 183

The chemistry of protoplanetary nebulae p. 189

Cyclotron spectroscopy of HU Aquarii p. 201

The circumstellar envelope of the C-rich post-AGB star HD 56126 p. 211

Stellar structure and evolution

Binary nature and elemental abundances of 2 Lyn and HD 169981 p. 229

Variability of the Hα emission of Cygnus X-1 and its connection with the soft X-ray radiation p. 237

On the evolutionary status of chemically peculiar stars of the upper main sequence p. 247

Stellar and circumstellar activity of the Be star ω CMa - I. Line and continuum emission in 1996–2002 p. 253

Orbital motion of the massive multiple stars in the Orion Trapezium p. 267

Time evolution of X-ray coronal activity in PMS stars; a possible relation with the evolution of accretion disks p. 277

A new seismic analysis of Alpha Centauri p. 293

On the elemental abundance and isotopic mixture of mercury in HgMn stars p. 299

Infrared spectroscopy of the supersoft X-ray source MR Vel p. 315

Unusual subpulse modulation in PSR B0320+39 p. 321

Stellar atmospheres

Elemental abundance studies of CP stars - The helium-weak stars HD 19400, HD 34797 and HD 35456* p. 331

Physical parameters of helium-rich subdwarf B stars from medium resolution optical spectroscopy p. 335

Oxygen line formation in late-F through early-K disk/halo stars - Infrared O I triplet and [O I] lines p. 343

The Sun

On the nature of the chromospheric fine structure - I. Dynamics of dark mottles and grains p. 361

Planets and planetary systems

Mars: Mapping surface units by means of statistical analysis of TES spectra p. 373

Production and kinematics of CO in comet C/1995 O1 (Hale-Bopp) at large post-perihelion distances p. 383

Astronomical instrumentation

Stellar photometry with the Carte du Ciel plates - I. Method p. 395