Astronomy and Astrophysics ISSN: 1432-0746 Table of Contents Volume 330 Number 1 (1998) Editorial New Letter Editor Astron. Astrophys. 330 (1998). Article in HTML | PDF (48 KB) | (gzipped) PostScript (12 KB) Letters to the Editor A thin molecular shell around the carbon star TT Cyg H. Olofsson, P. Bergman, R. Lucas, K. Eriksson, B. Gustafsson, and J.H. Bieging Astron. Astrophys. 330, P L1-L4 (1998). Abstract Article in HTML | PDF (1499 KB) | (gzipped) PostScript (1889 KB) ISOCAM images at 6.75 µm and 15 µm: the circumnuclear region of NGC 4321 (M 100) H. Wozniak, D. Friedli, L. Martinet, and D. Pfenniger Astron. Astrophys. 330, P L5-L8 (1998). Abstract Article in HTML | PDF (10925 KB) | (gzipped) PostScript (15184 KB) Accretion instabilities and jet formation in GRS 1915+105 I.F. Mirabel, V. Dhawan, S. Chaty, L.F. Rodríguez, J. Martí, C.R. Robinson, J. Swank, and T.Geballe Astron. Astrophys. 330, P L9-L12 (1998). Abstract Article in HTML | PDF (1074 KB) | (gzipped) PostScript (1813 KB) Dynamical response of a stellar atmosphere to pressure perturbations: numerical simulations L. Del Zanna, M. Velli, and P. Londrillo Astron. Astrophys. 330, P L13-L16 (1998). Abstract Article in HTML | PDF (229 KB) | (gzipped) PostScript (466 KB) Discovery of CO2 emission in AGB stars with the 13 µm dust feature K. Justtanont, H. Feuchtgruber, T. de Jong, J. Cami, L.B.F.M. Waters, I. Yamamura, and T. Onaka Astron. Astrophys. 330, P L17-L20 (1998). Abstract Article in HTML | PDF (207 KB) | (gzipped) PostScript (237 KB) Cosmology Arc statistics with realistic cluster potentials. IV. Clusters in different cosmologies Matthias Bartelmann, Andreas Huss, Jörg M. Colberg, Adrian Jenkins, and Frazer R. Pearce Astron. Astrophys. 330, P 1-9 (1998). Abstract Article in HTML | PDF (256 KB) | (gzipped) PostScript (176 KB) Late formation of quark stars and their possible survival Ashok Goyal and Deepak Chandra Astron. Astrophys. 330, P 10-13 (1998). Abstract Article in HTML | PDF (157 KB) | (gzipped) PostScript (148 KB) Extragalactic astronomy ISO observations of the GRB 970402 error box A.J. Castro-Tirado, L. Metcalfe, R. Laureijs, B. Altieri, J. Gorosabel, L. Hanlon, B. McBreen, N. Smith, E. Costa, M. Feroci, E. Palazzi, L. Nicastro, F. Frontera, A. Claret, and M. Kessler Astron. Astrophys. 330, P 14-18 (1998). Abstract Article in HTML | PDF (480 KB) | (gzipped) PostScript (347 KB) On the nature of zabs zem damped absorbers in quasar spectra P. Møller, S.J. Warren, and J.U. Fynbo Astron. Astrophys. 330, P 19-24 (1998). Abstract Article in HTML | PDF (182 KB) | (gzipped) PostScript (132 KB) New bright soft X-ray selected ROSAT AGN. I. Infrared-to-X-ray spectral energy distributions D. Grupe, K. Beuermann, H.-C. Thomas, K. Mannheim, and H.H. Fink Astron. Astrophys. 330, P 25-36 (1998). Abstract Article in HTML | PDF (364 KB) | (gzipped) PostScript (192 KB) Molecular gas in galaxies of Hickson compact groups S. Leon, F. Combes, and T.K. Menon Astron. Astrophys. 330, P 37-56 (1998). Abstract Article in HTML | PDF (887 KB) | (gzipped) PostScript (1193 KB) Detection of the lensing galaxy in HE 1104-1805 F. Courbin, C. Lidman, and P. Magain Astron. Astrophys. 330, P 57-62 (1998). Abstract Article in HTML | PDF (355 KB) | (gzipped) PostScript (236 KB) A sensitive search for CO emission from faint blue galaxies at z ~ 0.5 C.D. Wilson and F. Combes Astron. Astrophys. 330, P 63-66 (1998). Abstract Article in HTML | PDF (191 KB) | (gzipped) PostScript (129 KB) X-ray and optical study of the giant radio quasar 4C +74.26 W. Brinkmann, C. Otani, S.J. Wagner, and J. Siebert Astron. Astrophys. 330, P 67-71 (1998). Abstract Article in HTML | PDF (475 KB) | (gzipped) PostScript (232 KB) The hard X-ray source GRS 1734292: a Seyfert 1 galaxy behind the Galactic Center J. Martí, I.F. Mirabel, S. Chaty, and L.F. Rodríguez Astron. Astrophys. 330, P 72-78 (1998). Abstract Article in HTML | PDF (792 KB) | (gzipped) PostScript (303 KB) Ultracompact jets in active galactic nuclei A.P. Lobanov Astron. Astrophys. 330, P 79-89 (1998). Abstract Article in HTML | PDF (306 KB) | (gzipped) PostScript (179 KB) Limits on magnetic fields and relativistic electrons in the Coma cluster from multifrequency observations Torsten A. Enßlin and Peter L. Biermann Astron. Astrophys. 330, P 90-96 (1998). Abstract Article in HTML | PDF (281 KB) | (gzipped) PostScript (242 KB) COMPTEL observations of Centaurus A at MeV energies in the years 1991 to 1995 H. Steinle, K. Bennett, H. Bloemen, W. Collmar, R. Diehl, W. Hermsen, G.G. Lichti, D. Morris, V. Schönfelder, A.W. Strong, and O.R. Williams Astron. Astrophys. 330, P 97-107 (1998). Abstract Article in HTML | PDF (311 KB) | (gzipped) PostScript (299 KB) Broad band energy distribution of ROSAT detected quasars. II. Radio-quiet objects W. Yuan, W. Brinkmann, J. Siebert, and W. Voges Astron. Astrophys. 330, P 108-122 (1998). Abstract Article in HTML | PDF (387 KB) | (gzipped) PostScript (632 KB) X-ray emission, optical nebulosity and dust in early-type galaxies. I. The dusty nebular filaments in NGC 5846 P. Goudfrooij and G. Trinchieri Astron. Astrophys. 330, P 123-135 (1998). Abstract Article in HTML | PDF (647 KB) | (gzipped) PostScript (605 KB) Galactic structure and dynamics The radial scale length of the Milky Way C. Porcel, F. Garzón, J. Jiménez-Vicente, and E. Battaner Astron. Astrophys. 330, P 136-138 (1998). Abstract Article in HTML | PDF (139 KB) | (gzipped) PostScript (117 KB) Formation, structure and evolution of stars X-ray spectroscopy of the active giant Ceti: the SAX LECS view A. Maggio, F. Favata, G. Peres, and S. Sciortino Astron. Astrophys. 330, P 139-144 (1998). Abstract Article in HTML | PDF (225 KB) | (gzipped) PostScript (133 KB) Hipparcos photometry of Herbig Ae/Be stars M.E. van den Ancker, D. de Winter, and H.R.E. Tjin A Djie Astron. Astrophys. 330, P 145-154 (1998). Abstract Article in HTML | PDF (324 KB) | (gzipped) PostScript (193 KB) Multiwavelength optical observations of chromospherically active binary systems. II. EZ Pegasi D. Montes, J. Sanz-Forcada, M.J. Fernández-Figueroa, E. De Castro, and A. Poncet Astron. Astrophys. 330, P 155-168 (1998). Abstract Article in HTML | PDF (785 KB) | (gzipped) PostScript (513 KB) Detection of short-term variations in Mira-type variables from Hipparcos photometry P. de Laverny, M.O. Mennessier, F. Mignard, and J. A. Mattei Astron. Astrophys. 330, P 169-174 (1998). Abstract Article in HTML | PDF (232 KB) | (gzipped) PostScript (125 KB) A BeppoSAX observation of the X-ray pulsar 1E 2259+586 and the supernova remnant G109.11.0 (CTB 109) A.N. Parmar, T. Oosterbroek, F. Favata, S. Pightling, M.J. Coe, S. Mereghetti, and G.L. Israel Astron. Astrophys. 330, P 175-180 (1998). Abstract Article in HTML | PDF (299 KB) | (gzipped) PostScript (145 KB) Observations of Cygnus X-1 during the two spectral states with the Indian X-ray Astronomy Experiment (IXAE) A.R. Rao, P.C. Agrawal, B.Paul, M.N. Vahia, J.S. Yadav, T.M.K. Marar, S. Seetha, and K. Kasturirangan Astron. Astrophys. 330, P 181-188 (1998). Abstract Article in HTML | PDF (336 KB) | (gzipped) PostScript (142 KB) X-ray observations of the slowest known Be/X-ray pulsars RX J0146.9+6121 and X Persei F. Haberl, L. Angelini, C. Motch, and N.E. White Astron. Astrophys. 330, P 189-194 (1998). Abstract Article in HTML | PDF (347 KB) | (gzipped) PostScript (144 KB) Accretion induced crust screening for the magnetic field decay of neutron stars C.M. Zhang Astron. Astrophys. 330, P 195-200 (1998). Abstract Article in HTML | PDF (210 KB) | (gzipped) PostScript (140 KB) Hipparcos results on massive X-ray binaries Claude Chevalier and Sergio A. Ilovaisky Astron. Astrophys. 330, P 201-205 (1998). Abstract Article in HTML | PDF (144 KB) | (gzipped) PostScript (107 KB) The survival of 205Pb in intermediate-mass AGB stars N. Mowlavi, S. Goriely, and M. Arnould Astron. Astrophys. 330, P 206-214 (1998). Abstract Article in HTML | PDF (475 KB) | (gzipped) PostScript (365 KB) Study of an unbiased sample of B stars observed with Hipparcos: the discovery of a large amount of new slowly pulsating B stars C. Waelkens, C. Aerts, E. Kestens, M. Grenon, and L. Eyer Astron. Astrophys. 330, P 215-221 (1998). Abstract Article in HTML | PDF (207 KB) | (gzipped) PostScript (117 KB) HD 6226: a new bright B variable with occasional brightenings. Is it an unrecognized Be star? H. Boi and P. Harmanec Astron. Astrophys. 330, P 222-224 (1998). Abstract Article in HTML | PDF (467 KB) | (gzipped) PostScript (308 KB) On the X-ray emission from M-type giants Matthias Hünsch, Jürgen H.M.M. Schmitt, Klaus-Peter Schröder, and Franz-Josef Zickgraf Astron. Astrophys. 330, P 225-231 (1998). Abstract Article in HTML | PDF (173 KB) | (gzipped) PostScript (158 KB) Stellar atmospheres Inferring acetylene abundances from C2H: the C2H2/HCN abundance ratio A. Fuente, J. Cernicharo, and A. Omont Astron. Astrophys. 330, P 232-242 (1998). Abstract Article in HTML | PDF (506 KB) | (gzipped) PostScript (294 KB) On the spectacular variations of Be stars. Evidence for a temporarily tilted circumstellar disk W. Hummel Astron. Astrophys. 330, P 243-252 (1998). Abstract Article in HTML | PDF (372 KB) | (gzipped) PostScript (233 KB) Inference of steady stellar wind v(r) laws from optically thin emission lines. II. Occultation effects and the determination of intrinsic stellar properties R. Ignace, J.C. Brown, L.L. Richardson, and J.P. Cassinelli Astron. Astrophys. 330, P 253-264 (1998). Abstract Article in HTML | PDF (528 KB) | (gzipped) PostScript (297 KB) Spectral analyses of late-type [WC] central stars of planetary nebulae: more empirical constraints for their evolutionary status U. Leuenhagen and W.-R. Hamann Astron. Astrophys. 330, P 265-276 (1998). Abstract Article in HTML | PDF (477 KB) | (gzipped) PostScript (344 KB) HS 0507+0434: a double DA degenerate with a ZZ Ceti component S. Jordan, D. Koester, G. Vauclair, N. Dolez, U. Heber, H.-J. Hagen, D. Reimers, M. Chevreton, and S. Dreizler Astron. Astrophys. 330, P 277-284 (1998). Abstract Article in HTML | PDF (262 KB) | (gzipped) PostScript (243 KB) Quantitative UV spectroscopy of early O stars in the Magellanic Clouds. The determination of the stellar metallicities S.M. Haser, A.W.A. Pauldrach, D.J. Lennon, R.-P. Kudritzki, M. Lennon, J. Puls, and S.A. Voels Astron. Astrophys. 330, P 285-305 (1998). Abstract Article in HTML | PDF (1513 KB) | (gzipped) PostScript (766 KB) Visible neutral helium lines in main sequence B-type stars: observations and NLTE calculations F. Leone and A.C. Lanzafame Astron. Astrophys. 330, P 306-310 (1998). Abstract Article in HTML | PDF (381 KB) | (gzipped) PostScript (214 KB) Diffuse matter in space (including H II regions and planetary nebulae) The SO-to-CS abundance ratio in molecular cirrus clouds Andreas Heithausen, Uwe Corneliussen, and Volkmar Großmann Astron. Astrophys. 330, P 311-320 (1998). Abstract Article in HTML | PDF (566 KB) | (gzipped) PostScript (350 KB) COMPTEL -ray study of the Crab nebula R.D. van der Meulen, H. Bloemen, K. Bennett, W. Hermsen, L. Kuiper, R.P. Much, J. Ryan, V. Schönfelder, and A. Strong Astron. Astrophys. 330, P 321-326 (1998). Abstract Article in HTML | PDF (405 KB) | (gzipped) PostScript (203 KB) The physical structure of the Herbig Haro object HH 29 C.V.M. Fridlund, R. Liseau, and E. Gullbring Astron. Astrophys. 330, P 327-335 (1998). Abstract Article in HTML | PDF (331 KB) | (gzipped) PostScript (194 KB) The Sun Estimate of solar radius from f-mode frequencies H.M. Antia Astron. Astrophys. 330, P 336-340 (1998). Abstract Article in HTML | PDF (335 KB) | (gzipped) PostScript (206 KB) Are solar acoustic modes correlated? T. Foglizzo, R.A. Garcí a, P. Boumier, J. Charra, A.H. Gabriel, G. Grec, J.M. Robillot, T. Roca Cortés, S. Turck-Chièze, and R.K. Ulrich Astron. Astrophys. 330, P 341-350 (1998). Abstract Article in HTML | PDF (405 KB) | (gzipped) PostScript (659 KB) Non-thermal hydrogen line emission caused by an oblique incident proton beam through charge exchange X. Zhao, C. Fang, and J.-C. Hénoux Astron. Astrophys. 330, P 351-358 (1998). Abstract Article in HTML | PDF (357 KB) | (gzipped) PostScript (169 KB) On velocity and intensity line asymmetries M. Gabriel Astron. Astrophys. 330, P 359-361 (1998). Abstract Article in HTML | PDF (116 KB) | (gzipped) PostScript (92 KB) The solar system Ephemerides of the five major Uranian satellites by numerical integration D.B. Taylor Astron. Astrophys. 330, P 362-374 (1998). Abstract Article in HTML | PDF (236 KB) | (gzipped) PostScript (149 KB) Making a comet nucleus J. Mayo Greenberg Astron. Astrophys. 330, P 375-380 (1998). Abstract Article in HTML | PDF (148 KB) | (gzipped) PostScript (114 KB) Physical and chemical processes Motion of ions reflected off quasi-parallel shock waves in the presence of large-amplitude magnetic field fluctuations H.-T. Claßen and G. Mann Astron. Astrophys. 330, P 381-388 (1998). Abstract Article in HTML | PDF (255 KB) | (gzipped) PostScript (252 KB) Cosmic rays. VII. Individual element spectra: prediction and data Barbara Wiebel-Sooth, Peter L. Biermann, and Hinrich Meyer Astron. Astrophys. 330, P 389-398 (1998). Abstract Article in HTML | PDF (278 KB) | (gzipped) PostScript (152 KB) © European Southern Observatory (ESO) 1998 Online publication: December 16,1997 Last change: January 27, 1998 helpdesk@link.springer.de