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Astronomy and Astrophysics
ISSN: 1432-0746

Table of Contents Volume 338 Number 2 (1998)


Letters to the Editor

Detection of doubly deuterated formaldehyde towards the low-luminosity protostar IRAS 16293–2422
C. Ceccarelli, A. Castets, L. Loinard, E. Caux, and A.G.G.M. Tielens
Astron. Astrophys. 338, P L43-L46 (1998).
Abstract
Article in HTML | PDF (162 KB) | (gzipped) PostScript (182 KB)

Beaming models and the correlations between the core dominance parameter and the core and extended powers of quasars
Chris Simpson
Astron. Astrophys. 338, P L47-L50 (1998).
Abstract
Article in HTML | PDF (180 KB) | (gzipped) PostScript (163 KB)

Properties of the Young Stellar Object N 160 A-IR
Th. Henning, R. Klein, S.J. Chan, E.L. Fitzpatrick, R. Siebenmorgen, and B. Stecklum
Astron. Astrophys. 338, P L51-L54 (1998).
Abstract
Article in HTML | PDF (156 KB) | (gzipped) PostScript (192 KB)

Simulations of an alpha-effect due to magnetic buoyancy
Axel Brandenburg and Dieter Schmitt
Astron. Astrophys. 338, P L55-L58 (1998).
Abstract
Article in HTML | PDF (210 KB) | (gzipped) PostScript (197 KB)

A BeppoSAX observation of XTE J0055–724 = 1SAX J0054.9–7226, a new X-ray pulsar in the SMC
A. Santangelo, G. Cusumano, D. Dal Fiume, G.L. Israel, L. Stella, M. Orlandini, A.N. and Parmar
Astron. Astrophys. 338, P L59-L62 (1998).
Abstract
Article in HTML | PDF (484 KB) | (gzipped) PostScript (263 KB)

CO study of the GM Aurigae Keplerian disk
A. Dutrey, S. Guilloteau, L. Prato, M. Simon, G. Duvert, K. Schuster, and F. Ménard
Astron. Astrophys. 338, P L63-L66 (1998).
Abstract
Article in HTML | PDF (314 KB) | (gzipped) PostScript (270 KB)

The closest extrasolar planet
A giant planet around the M4 dwarf Gl 876

X. Delfosse, T. Forveille, M. Mayor, C. Perrier, D. Naef, D. and Queloz
Astron. Astrophys. 338, P L67-L70 (1998).
Abstract
Article in HTML | PDF (121 KB) | (gzipped) PostScript (161 KB)


Cosmology

The effects of source clustering on weak lensing statistics
IV. The egg-carton Universe

F. Bernardeau
Astron. Astrophys. 338, P 375-382 (1998).
Abstract
Article in HTML | PDF (211 KB) | (gzipped) PostScript (172 KB)

Magnetic fields and large scale structure in a hot Universe
IV. The egg-carton Universe

E. Battaner and E. Florido
Astron. Astrophys. 338, P 383-385 (1998).
Abstract
Article in HTML | PDF (245 KB) | (gzipped) PostScript (244 KB)


Extragalactic astronomy

Cloud model of the mean quasar spectrum
Bozena Czerny and Anne-Marie Dumont
Astron. Astrophys. 338, P 386-398 (1998).
Abstract
Article in HTML | PDF (368 KB) | (gzipped) PostScript (261 KB)

Relativistic electron beams in IDV blazars
André R. Crusius-Wätzel and Harald Lesch
Astron. Astrophys. 338, P 399-404 (1998).
Abstract
Article in HTML | PDF (108 KB) | (gzipped) PostScript (121 KB)

Kinematics of the narrow-line region of NGC 1068
M. Dietrich and S.J. Wagner
Astron. Astrophys. 338, P 405-412 (1998).
Abstract
Article in HTML | PDF (589 KB) | (gzipped) PostScript (221 KB)


Galactic structure and dynamics

Models of the long-term evolution of the Galactic disk with viscous flows and gas infall
R. Thon and H. Meusinger
Astron. Astrophys. 338, P 413-434 (1998).
Abstract
Article in HTML | PDF (593 KB) | (gzipped) PostScript (581 KB)

Are the Bulge C–stars related to the Sagittarius dwarf galaxy?
II. Metallicity - a link with the galactic disk

Yuen K. Ng
Astron. Astrophys. 338, P 435-441 (1998).
Abstract
Article in HTML | PDF (202 KB) | (gzipped) PostScript (182 KB)


Stellar clusters and associations

Kinematics of T Tauri stars in Chamaeleon
Sabine Frink, Siegfried Röser, Juan M. Alcalá, Elvira Covino, and Wolfgang Brandner
Astron. Astrophys. 338, P 442-451 (1998).
Abstract
Article in HTML | PDF (413 KB) | (gzipped) PostScript (301 KB)


Formation, structure and evolution of stars

On the luminosity ratio of pre-main sequence binaries
O. Malkov, A. Piskunov, and H. Zinnecker
Astron. Astrophys. 338, P 452-454 (1998).
Abstract
Article in HTML | PDF (104 KB) | (gzipped) PostScript (123 KB)

Fundamental stellar parameters for nearby visual binary stars: Cas, Boo, 70 Oph and 85 Peg
Helium abundance, age and mixing length parameter for low mass stars

J. Fernandes, Y. Lebreton, A. Baglin, and P. Morel
Astron. Astrophys. 338, P 455-464 (1998).
Abstract
Article in HTML | PDF (231 KB) | (gzipped) PostScript (350 KB)

The new long-period AM Herculis system RX J0203
R. Schwarz, A.D. Schwope, K. Beuermann, V. Burwitz, J.-U. Fischer, R. Fried, I. Lehmann, K.-H. Mantel, S. Mengel, A. Metzner, K. Misselt, P. Notni, K. Reinsch, A. Shafter, and H.-C. Thomas
Astron. Astrophys. 338, P 465-478 (1998).
Abstract
Article in HTML | PDF (2286 KB) | (gzipped) PostScript (537 KB)

Near-term detectability of terrestrial extrasolar planets: TEP network observations of CM Draconis
H.J. Deeg, L.R. Doyle, V.P. Kozhevnikov, E.L. Martí n, B. Oetiker, E. Palaiologou, J. Schneider, C. Afonso, E.W. Dunham, J.M. Jenkins, Z. Ninkov, R.P.S. Stone, and P.E. Zakharova
Astron. Astrophys. 338, P 479-490 (1998).
Abstract
Article in HTML | PDF (342 KB) | (gzipped) PostScript (263 KB)

IRC +10 216 revisited
II. The circumstellar CO shell

M.A.T. Groenewegen, W.E.C.J. van der Veen, and H.E. Matthews
Astron. Astrophys. 338, P 491-504 (1998).
Abstract
Article in HTML | PDF (841 KB) | (gzipped) PostScript (323 KB)

On the nature of Be/X-ray binaries
Ignacio Negueruela
Astron. Astrophys. 338, P 505-510 (1998).
Abstract
Article in HTML | PDF (140 KB) | (gzipped) PostScript (132 KB)

Seismology of δ Scuti stars in the Praesepe cluster
II. Identification of radial modes and their associated stellar parameters

M.M. Hernández, F. Pérez Hernández, E. Michel, J.A. Belmonte, M.J. Goupil, Y. and Lebreton
Astron. Astrophys. 338, P 511-520 (1998).
Abstract
Article in HTML | PDF (326 KB) | (gzipped) PostScript (206 KB)

The pulsar-like white dwarf in AE Aquarii
Nazar R. Ikhsanov
Astron. Astrophys. 338, P 521-526 (1998).
Abstract
Article in HTML | PDF (128 KB) | (gzipped) PostScript (130 KB)

Infrared high angular resolution measurements of stellar sources
IV. Angular diameters and effective temperatures of fifteen late-type stars

A. Richichi, S. Ragland, B. Stecklum, and Ch. Leinert
Astron. Astrophys. 338, P 527-534 (1998).
Abstract
Article in HTML | PDF (240 KB) | (gzipped) PostScript (179 KB)

Colliding neutron stars
Gravitational waves, neutrino emission, and gamma-ray bursts

M. Ruffert and H.-Th. Janka
Astron. Astrophys. 338, P 535-555 (1998).
Abstract
Article in HTML | PDF (3162 KB) | (gzipped) PostScript (1550 KB)

Progressive covering in dipping and Comptonization in the spectrum of XB 1916-053 from the BeppoSAX observation
M.J. Church, A.N. Parmar, M. Balucinska-Church, T. Oosterbroek, D. Dal Fiume, and M. Orlandini
Astron. Astrophys. 338, P 556-562 (1998).
Abstract
Article in HTML | PDF (332 KB) | (gzipped) PostScript (300 KB)

An analysis of DA white dwarfs from the Hamburg Quasar Survey
D. Homeier, D. Koester, H.-J. Hagen, S. Jordan, U. Heber, D. Engels, D. Reimers, and S. Dreizler
Astron. Astrophys. 338, P 563-575 (1998).
Abstract
Article in HTML | PDF (373 KB) | (gzipped) PostScript (268 KB)

Carbon monoxide observations of the HH 135/136 complex
K. Ogura, M. Nakano, K. Sugitani, and T. Liljeström
Astron. Astrophys. 338, P 576-580 (1998).
Abstract
Article in HTML | PDF (256 KB) | (gzipped) PostScript (858 KB)

Field #3 of the Palomar-Groningen survey
II. Near-infrared photometry of semiregular variables

M. Schultheis, Y.K. Ng, J. Hron, and F. Kerschbaum
Astron. Astrophys. 338, P 581-591 (1998).
Abstract
Article in HTML | PDF (343 KB) | (gzipped) PostScript (239 KB)

Monitoring of dust-enshrouded AGB stars in the LMC
P.R. Wood
Astron. Astrophys. 338, P 592-598 (1998).
Abstract
Article in HTML | PDF (311 KB) | (gzipped) PostScript (152 KB)

On the nature of apparent changes of the orbital period in symbiotic binaries
A. Skopal
Astron. Astrophys. 338, P 599-611 (1998).
Abstract
Article in HTML | PDF (957 KB) | (gzipped) PostScript (564 KB)

Search for rotation in white dwarfs
D. Koester, S. Dreizler, V. Weidemann, and N.F. Allard
Astron. Astrophys. 338, P 612-622 (1998).
Abstract
Article in HTML | PDF (299 KB) | (gzipped) PostScript (262 KB)


Stellar atmospheres

Chromospheric activity in cool stars and the lithium abundance
Sushma V. Mallik
Astron. Astrophys. 338, P 623-636 (1998).
Abstract
Article in HTML | PDF (416 KB) | (gzipped) PostScript (1345 KB)

Sodium in the Sun and in metal-poor stars
D. Baumüller, K. Butler, and T. Gehren
Astron. Astrophys. 338, P 637-650 (1998).
Abstract
Article in HTML | PDF (607 KB) | (gzipped) PostScript (271 KB)

Spectral analysis of O(He)-type post-AGB stars
T. Rauch, S. Dreizler, B. and Wolff
Astron. Astrophys. 338, P 651-660 (1998).
Abstract
Article in HTML | PDF (896 KB) | (gzipped) PostScript (773 KB)

Photospheric metal abundances in active stellar atmospheres
R. Ottmann, M.J. Pfeiffer, and T. Gehren
Astron. Astrophys. 338, P 661-673 (1998).
Abstract
Article in HTML | PDF (259 KB) | (gzipped) PostScript (180 KB)

β Pic-like circumstellar disk gas surrounding HR 10 and HD 85905
B.Y. Welsh, N. Craig, I.A. Crawford, and R.J. Price
Astron. Astrophys. 338, P 674-682 (1998).
Abstract
Article in HTML | PDF (514 KB) | (gzipped) PostScript (369 KB)

The Hanle effect
The density matrix and scattering approaches to -law

H. Frisch
Astron. Astrophys. 338, P 683-693 (1998).
Abstract
Article in HTML | PDF (293 KB) | (gzipped) PostScript (192 KB)


Diffuse matter in space (including H II regions and planetary nebulae)

Detection of spatial variations in the (D/H) ratio in the local interstellar medium
Alfred Vidal-Madjar, Martin Lemoine, Roger Ferlet, Guillaume Hébrard, Detlev Koester, Jean Audouze, Michel Cassé, Elisabeth Vangioni-Flam, and John Webb
Astron. Astrophys. 338, P 694-712 (1998).
Abstract
Article in HTML | PDF (1243 KB) | (gzipped) PostScript (371 KB)

Sulphur chemistry and evolution in hot cores
J. Hatchell, M.A. Thompson, T.J. Millar, and G.H. Macdonald
Astron. Astrophys. 338, P 713-722 (1998).
Abstract
Article in HTML | PDF (355 KB) | (gzipped) PostScript (246 KB)

Interstellar extinction and its relation to the three-dimensional cloud structure
M. Juvela
Astron. Astrophys. 338, P 723-728 (1998).
Abstract
Article in HTML | PDF (1032 KB) | (gzipped) PostScript (394 KB)


The Sun

Weakly damped Alfvén waves as drivers for spicules
B. De Pontieu and G. Haerendel
Astron. Astrophys. 338, P 729-736 (1998).
Abstract
Article in HTML | PDF (232 KB) | (gzipped) PostScript (174 KB)

Generation of solar Hα impact polarization by fragmented evaporative upflows
L. Fletcher and J.C. Brown
Astron. Astrophys. 338, P 737-746 (1998).
Abstract
Article in HTML | PDF (421 KB) | (gzipped) PostScript (237 KB)

An eight-moment model parameter study of the solar wind: dependence on variations in coronal heating
Espen Lyngdal Olsen, Egil Leer, and Øystein Lie-Svendsen
Astron. Astrophys. 338, P 747-755 (1998).
Abstract
Article in HTML | PDF (303 KB) | (gzipped) PostScript (187 KB)

On the accuracy of helioseismic determination of solar helium abundance
O. Richard, W.A. Dziembowski, R. Sienkiewicz, and Philip R. Goode
Astron. Astrophys. 338, P 756-760 (1998).
Abstract
Article in HTML | PDF (190 KB) | (gzipped) PostScript (189 KB)


The solar system

The cometary outbursts at large heliocentric distances
P. Gronkowski and J. Smela
Astron. Astrophys. 338, P 761-766 (1998).
Abstract
Article in HTML | PDF (150 KB) | (gzipped) PostScript (173 KB)


© European Southern Observatory (ESO) 1998

Online publication: September 8, 1998
Last change: September 14, 1998
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