Press ReleaseHighlightFree Access Editorial Volume 500, Issue 1: the A&A 40th anniversary special issue C. Bertout Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912466 AbstractFull HTMLPDF (43.0 KB)ReferencesNASA ADS Abstract Service
Free Access Toward mapping the spiral arm tracers - Commentary on: FitzGerald M. P., 1970, A&A, 4, 234 J. Lequeux Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912145 AbstractFull HTMLPDF (54.0 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access The conjecture of the cosmic web - Commentary on: Zel'dovich Ya. B., 1970, A&A, 5, 84 S. F. Shandarin and R. A. Sunyaev Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912144 AbstractFull HTMLPDF (59.2 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The viscous circle: the first steps toward modeling Galactic binary X-ray sources - Commentary on: Pringle J. E. and Rees M. J., 1972, A&A, 21, 1 S. N. Shore Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912146 AbstractFull HTMLPDF (64.9 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Accretion: the gold mine opens - Commentary on: Shakura N. I. and Sunyaev R. A., 1973, A&A, 24, 337 A. King Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912147 AbstractFull HTMLPDF (53.9 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Hogbom's CLEAN algorithm. Impact on astronomy and beyond - Commentary on: Högbom J. A., 1974, A&AS, 15, 417 T. J. Cornwell Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912148 AbstractFull HTMLPDF (56.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The MARCS model atmosphere code's first publication - Commentary on: Gustafsson B., Bell R. A., Eriksson K., and Nordlund Å, 1975, A&A, 42, 407 F. Allard Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912149 AbstractFull HTMLPDF (56.8 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The β-model of the intracluster medium - Commentary on: Cavaliere A. and Fusco-Femiano R., 1976, A&A, 49, 137 M. Arnaud Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912150 AbstractFull HTMLPDF (78.6 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access From distances to galaxy evolution and the dark matter problem - Commentary on: Tully R. B. and Fisher J. R., 1977, A&A, 54, 661 F. Combes Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912152 AbstractFull HTMLPDF (67.9 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access A lubricant for tidal friction - Commentary on: Zahn J.-P., 1977, A&A, 57, 383 N. Langer Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912151 AbstractFull HTMLPDF (59.6 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Setting the radio astronomy flux density scale - Commentary on: Baars J. W. M., Genzel R., Pauliny-Toth I. I. K., et al., 1977, A&A, 61, 99 K. I. Kellermann Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912153 AbstractFull HTMLPDF (54.2 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Chemical composition and evolution of irregular and blue compact galaxies. The dawn of a thirty year journey - Commentary on: Lequeux J., Peimbert M., Rayo J. F., et al., 1979, A&A, 80, 155 M. Tosi Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912154 AbstractFull HTMLPDF (70.5 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Galactic interstellar extinction: Neckel & Klare view and beyond - Commentary on: Neckel Th. and Klare G., 1980, A&AS, 42, 251 A. C. Robin Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912158 AbstractFull HTMLPDF (63.4 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Unveiling cosmic X-ray/-ray sources from their scattering screen - Commentary on: Sunyaev R. A. and Titarchuk L. G., 1980, A&A, 86, 121 J. E. Grindlay Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912156 AbstractFull HTMLPDF (60.0 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access The discovery of LINERs and a premonition that black holes are found in every galaxy - Comentary on: Heckman T. M., 1980, A&A, 87, 152 G. Kauffmann Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912157 AbstractFull HTMLPDF (51.0 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The Paczyński-Wiita potential. A step-by-step “derivation” - Commentary on: Paczyński B. and Wiita P. J., 1980, A&A, 88, 23 M. A. Abramowicz Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912155 AbstractFull HTMLPDF (68.7 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access No new observations, no new theories, enduring scientific value - Commentary on: Kühr H., Witzel A., Pauliny-Toth I. I. K., and Nauber U., 1981, A&AS, 45, 367 J. J. Condon Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912160 AbstractFull HTMLPDF (59.3 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Welcoming new players to the stage - Commentary on: Renzini A. and Voli M., 1981, A&A, 94, 175 J. C. Lattanzio Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912159 AbstractFull HTMLPDF (61.7 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access The 408 MHz all-sky survey - Commentary on: Haslam C. G. T., Salter C. J., Stoffel H., and Wilson W. E., 1982, A&AS, 47, 1 R. Wielebinski Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912161 AbstractFull HTMLPDF (450 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Making infrared photometry accessible - Commentary on: Koornneef J., 1983, A&A, 128, 84 M. S. Bessell Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912163 AbstractFull HTMLPDF (39.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Interstellar radiation and dust - Commentary on: Mathis J. S., Mezger P. G., and Panagia N., 1983, A&A, 128, 212 A. P. Jones Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912162 AbstractFull HTMLPDF (63.4 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Identification of the “unidentified IR features” of interstellar dust - Commentary on: Léger A. and Puget J.-L., 1984, A&A, 137, L5 C. M. Walmsley Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912164 AbstractFull HTMLPDF (39.2 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access The ionization balance of a non-equilibrium plasma - Commentary on: Arnaud M. and Rothenflug R., 1985, A&AS, 60, 425 G. J. Ferland Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912165 AbstractFull HTMLPDF (62.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access X-ray emission spectrum of a hot plasma - Commentary on: Mewe R., Gronenschild E. H. B. M., and van den Oord G. H. J., 1985, A&AS, 62, 197 J. C. Raymond Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912166 AbstractFull HTMLPDF (60.27 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The large and the small of interstellar dust - Commentary on: Désert F.-X., Boulanger F., and Puget J.-L., 1990, A&A, 237, 215 A. G. G. M. Tielens Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912167 AbstractFull HTMLPDF (43.5 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The properties of G-dwarf multiple stars - Commentary on: Duquennoy A. and Mayor M., 1991, A&A, 248, 485 P. Kroupa Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912168 AbstractFull HTMLPDF (60.8 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access A golden age for stellar evolution and evolutionary grids - Commentary on: Schaller G., Schaerer D., Meynet G., and Maeder A., 1992, A&AS, 96, 269 F. D'Antona Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912197 AbstractFull HTMLPDF (64.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Chemical composition and kinematics of Galactic disk stars - Commentary on: Edvardsson B., Andersen J., Gustafsson B., et al., 1993, A&A, 275, 101 B. Barbuy and R. Cayrel Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912193 AbstractFull HTMLPDF (42.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The stellar clocks of galaxies - Commentary on: Bertelli G., Bressan A., Chiosi C., et al., 1994, A&AS, 106, 275; Girardi L., Bressan A., Bertelli G., Chiosi C., 2000, A&A, 141, 371 G. Meynet Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912194 AbstractFull HTMLPDF (59.58 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access X-ray scattering by interstellar dust grains as a diagnostic tool - Commentary on: Predehl P. and Schmitt J. H. M. M., 1995, A&A, 293, 889 J. Trümper Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912198 AbstractFull HTMLPDF (53.9 KB)ReferencesOnline MaterialSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Modern astronomical surveys and the development of informatics - Commentary on: Bertin E. and Arnouts S., 1996, A&AS, 117, 393 S. N. Shore Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912200 AbstractFull HTMLPDF (61.12 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Citation counts: trick or treat? - Commentary on: Kessler M. F., Steinz J. A., Anderegg M. E., et al., 1996, A&A, 315, L27 H. J. Habing Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912199 AbstractFull HTMLPDF (41.1 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The Hipparcos catalog - Commentary on: Perryman M. A. C., Lindegren L., Kovalevsky J., et al., 1997, A&A, 323, L49 F. van Leeuwen Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912202 AbstractFull HTMLPDF (65.7 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access PEGASE: a UV to NIR spectral evolution model of galaxies - Commentary on: Fioc M. and Rocca-Volmerange B., 1997, A&A, 326, 950 G. Bruzual A. Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912201 AbstractFull HTMLPDF (51.4 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access How quasars and galaxies get to know each other - Commentary on: Silk J. and Rees M. J., 1998, A&A, 331, L1 A. Ferrara Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912203 AbstractFull HTMLPDF (51.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access Modeling stellar colors - Commentary on: Bessell M. S., Castelli F., and Plez B., 1998, A&A, 333, 231 S. Arribas Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912205 AbstractFull HTMLPDF (41.6 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Ordinary stars matter! - Commentary on: Baraffe I., Chabrier G., Allard F., et al., 1998, A&A, 337, 403 T. Guillot Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912204 AbstractFull HTMLPDF (48.3 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access ROSAT's view of the X-ray sky - Commentary on: Voges W., Aschenbach B., Boller Th., et al., 1999, A&A, 349, 389 M. G. Watson Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912206 AbstractFull HTMLPDF (58.9 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access The Tycho-2 Catalogue: a reference for astrometry and photometry. Combining the most modern and the oldest astrometric data - Commentary on: Høg E., Fabricius C., Makarov V. V., et al., 2000, A&A, 355, L27 C. Turon Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912207 AbstractFull HTMLPDF (233 KB)ReferencesOriginal articleNASA ADS Abstract Service
Free Access A decade of X-ray astronomy with XMM-Newton - Commentary on: Jansen F., Lumb D., Altieri B., et al., 2001, A&A, 365, L1; Strüder L., Briel U., Dennerl K., et al., 2001, A&A, 365, L18; Turner M. J. L., Abbey A., Arnaud M., et al., 2001, A&A, 365, L27 M. Güdel Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912208 AbstractFull HTMLPDF (60.45 KB)ReferencesSimbad ObjectsOriginal articleNASA ADS Abstract Service
Free Access Creating a legacy and learning about dark energy - Commentary on: Astier P., Guy J., Regnault N., et al., 2006, A&A, 447, 31 B. Leibundgut Published online: 15 June 2009 DOI: https://doi.org/10.1051/0004-6361/200912209 AbstractFull HTMLPDF (62.0 KB)ReferencesOriginal articleNASA ADS Abstract Service