Astronomy & Astrophysics

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A&A Vol. 370 No. 2

	Astronomy and Astrophysics
	Vol. 370 No. 2 (May I 2001)
Cover illustration: Detection of the HD R(2) line on Jupiter by ISO (Lellouch, E., et al., p. 613)

Letters

Was one sunspot cycle lost in late XVIII century? p. L31
I. G. Usoskin, K. Mursula and G. A. Kovaltsov
Abstract | References | Full HTML | PDF file (129 KB) | PS file (282 KB)

Dynamical effects of comet P/Halley gas production p. L35
K. Szegö, J. F. Crifo, L. Földy, J. S. V. Lagerros and A. V. Rodionov
Abstract | References | Full HTML | PDF file (184 KB) | PS file (313 KB)

Erratum: Deep VLT spectroscopy of the $\vec{z}=$ 2.49 radio galaxy MRC 2104-242 - Evidence for a metallicity gradient in its extended emission line region p. L39
R. A. Overzier, H. J. A. Röttgering, J. D. Kurk and C. De Breuck
Abstract | Full HTML | PDF file (235 KB) | PS file (74.2 KB)

Cosmology

The cepheid-like relationship between variability and luminosity explained within the "cannonball model"of gamma-ray bursts p. 351
R. Plaga
Abstract | References | Full HTML | PDF file (147 KB) | PS file (151 KB)

Scaling analysis of galaxy distribution in the Las Campanas Redshift Survey data p. 358
T. Kurokawa, M. Morikawa and H. Mouri
Abstract | References | Full HTML | PDF file (160 KB) | PS file (347 KB)

Extragalactic astronomy

Multi-method-modeling of interacting galaxies - I. A unique scenario for NGC 4449? p. 365
Ch. Theis and S. Kohle
Abstract | References | Full HTML | PDF file (1.26 MB) | PS file (3.02 MB)

A wide field survey at the Northern Ecliptic Pole - II. Number counts and galaxy colours in B_j, R, and K p. 384
M. W. Kümmel and S. J. Wagner
Abstract | References | Full HTML | PDF file (1.21 MB) | PS file (502 KB)

The extraordinarily bright optical afterglow of GRB 991208 and its host galaxy p. 398
A. J. Castro-Tirado, V. V. Sokolov, J. Gorosabel, J. M. Castro Cerón, J. Greiner, R. A. M. J. Wijers, B. L. Jensen, J. Hjorth, S. Toft, H. Pedersen, E. Palazzi, E. Pian, N. Masetti, R. Sagar, V. Mohan, A. K. Pandey, S. B. Pandey, S. N. Dodonov, T. A. Fatkhullin, V. L. Afanasiev, V. N. Komarova, A. V. Moiseev, R. Hudec, V. Simon, P. Vreeswijk, E. Rol, S. Klose, B. Stecklum, M. R. Zapatero-Osorio, N. Caon, C. Blake, J. Wall, D. Heinlein, A. Henden, S. Benetti, A. Magazzù, F. Ghinassi, L. Tommasi, M. Bremer, C. Kouveliotou, S. Guziy, A. Shlyapnikov, U. Hopp, G. Feulner, S. Dreizler, D. Hartmann, H. Boehnhardt, J. M. Paredes, J. Martí, E. Xanthopoulos, H. E. Kristen, J. Smoker and K. Hurley
Abstract | References | Full HTML | PDF file (322 KB) | PS file (561 KB)

Erratum: Radio galaxies at $z\sim$ 2.5: Results from Keck spectropolarimetry p. 407
J. Vernet, R. A. E. Fosbury, M. Villar-Martín, M. H. Cohen, A. Cimatti, S. di Serego Alighieri and R. W. Goodrich
Abstract | Full HTML | PDF file (125 KB) | PS file (333 KB)

A new sample of large angular size radio galaxies - I. The radio data p. 409
L. Lara, W. D. Cotton, L. Feretti, G. Giovannini, J. M. Marcaide, I. Márquez and T. Venturi
Abstract | References | Full HTML | PDF file (2.39 MB) | PS file (2.71 MB)

Galactic structure and dynamics

UVES observations of a damped Ly $\alpha$ system at $\mathsf{{\vec z}_{abs} = 4.466}$ towards the quasar APM BR J0307-4945 p. 426
M. Dessauges-Zavadsky, S. D'Odorico, R. G. McMahon, P. Molaro, C. Ledoux, C. Péroux and L. J. Storrie-Lombardi
Abstract | References | Full HTML | PDF file (421 KB) | PS file (263 KB)

Stellar clusters and associations

Open clusters in the third galactic quadrant - I. Photometry p. 436
A. Moitinho
Abstract | References | Full HTML | PDF file (473 KB) | PS file (207 KB)

Formation, structure and evolution of stars

Dynamical modeling of large scale asymmetries in the $\beta$ Pictoris dust disk p. 447
J. C. Augereau, R. P. Nelson, A. M. Lagrange, J. C. B. Papaloizou and D. Mouillet
Abstract | References | Full HTML | PDF file (461 KB) | PS file (365 KB)

SBS 1150+599A: An extremely oxygen-poor planetary nebula in the Galactic halo? p. 456
G. H. Tovmassian, G. Stasinska, V. H. Chavushyan, S. V. Zharikov, C. Gutierrez and F. Prada
Abstract | References | Full HTML | PDF file (383 KB) | PS file (239 KB)

A variability analysis of low-latitude unidentified gamma-ray sources p. 468
D. F. Torres, G. E. Romero, J. A. Combi, P. Benaglia, H. Andernach and B. Punsly
Abstract | References | Full HTML | PDF file (642 KB) | PS file (716 KB)

On the X-ray fast-time variability of Sco X-2 (GX 349+2) p. 479
P. M. O'Neill, E. Kuulkers, R. K. Sood and T. Dotani
Abstract | References | Full HTML | PDF file (219 KB) | PS file (173 KB)

Repetitive rebrightening of EG Cancri: Evidence for viscosity decay in the quiescent disk? p. 488
Y. Osaki, F. Meyer and E. Meyer-Hofmeister
Abstract | References | Full HTML | PDF file (144 KB) | PS file (667 KB)

The radial pulsation of AI Aurigae p. 496
L. L. Kiss and B. A. Skiff
Abstract | References | Full HTML | PDF file (236 KB) | PS file (202 KB)

Symbiotic stars on Asiago archive plates p. 503
U. Munari, R. Jurdana-Sepic and D. Moro
Abstract | References | Full HTML | PDF file (137 KB) | PS file (129 KB)

UY Ursae Majoris: A W-subtype W UMa system with a small mass ratio p. 507
Y. Yang, Q. Liu and K.-C. Leung
Abstract | References | Full HTML | PDF file (176 KB) | PS file (234 KB)

Turbulent outflows from [WC]-type nuclei of planetary nebulae - II. The [WC 8] central star of NGC 40 p. 513
Y. Grosdidier, A. Acker and A. F. J. Moffat
Abstract | References | Full HTML | PDF file (867 KB) | PS file (478 KB)

A speckle interferometry survey of $\lambda$ Bootis stars p. 524
E. Marchetti, R. Faraggiana and P. Bonifacio
Abstract | References | Full HTML | PDF file (122 KB) | PS file (122 KB)

Research Note: IXAE observations of the X-ray pulsar XTE J1946+274 p. 529
B. Paul, P. C. Agrawal, K. Mukerjee, A. R. Rao, S. Seetha and K. Kasturirangan
Abstract | References | Full HTML | PDF file (168 KB) | PS file (125 KB)

Stellar atmospheres

The estimations of magnetic field fluctuations in turbulent atmospheres p. 533
N. A. Silant'ev
Abstract | References | Full HTML | PDF file (149 KB) | PS file (133 KB)

Excitation of transverse magnetic tube waves in stellar convection zones - I. Analytical approach p. 541
Z. E. Musielak and P. Ulmschneider
Abstract | References | Full HTML | PDF file (246 KB) | PS file (217 KB)

Erratum: Circumstellar dust shells around long-period variables - IX. Molecular layers resulting from shocked carbon-rich atmospheres p. 555
Ch. Helling and J. M. Winters
Abstract | Full HTML | PDF file (179 KB) | PS file (178 KB)

Diffuse matter in space

Interstellar oxygen chemistry p. 557
S. Viti, E. Roueff, T. W. Hartquist, G. Pineau des Forêts and D. A. Williams
Abstract | References | Full HTML | PDF file (413 KB) | PS file (273 KB)

Observations of the supernova remnant G54.1+0.3: X-ray spectrum and evidence for an X-ray jet p. 570
F. J. Lu, B. Aschenbach and L. M. Song
Abstract | References | Full HTML | PDF file (177 KB) | PS file (234 KB)

Comparative chemistry of diffuse clouds - II. CN, HCN, HNC, $\mathsf$ & $\mathsf$ p. 576
H. Liszt and R. Lucas
Abstract | References | Full HTML | PDF file (190 KB) | PS file (183 KB)

Scatter broadening of pulsars in the direction of the Gum nebula p. 586
D. Mitra and R. Ramachandran
Abstract | References | Full HTML | PDF file (146 KB) | PS file (126 KB)

The sun

Slow magnetoacoustic waves in coronal loops: EIT and TRACE p. 591
E. Robbrecht, E. Verwichte, D. Berghmans, J. F. Hochedez, S. Poedts and V. M. Nakariakov
Abstract | References | Full HTML | PDF file (1.23 MB) | PS file (2.42 MB)

The solar system

Mass and density of asteroids (4) Vesta and (11) Parthenope p. 602
B. Viateau and M. Rapaport
Abstract | References | Full HTML | PDF file (292 KB) | PS file (221 KB)

The deuterium abundance in Jupiter and Saturn from ISO-SWS observations p. 610
E. Lellouch, B. Bézard, T. Fouchet, H. Feuchtgruber, T. Encrenaz and T. de Graauw
Abstract | References | Full HTML | PDF file (587 KB) | PS file (460 KB)

Physical and chemical processes

Standard cosmic ray energetics and light element production p. 623
B. D. Fields, K. A. Olive, M. Cassé and E. Vangioni-Flam
Abstract | References | Full HTML | PDF file (244 KB) | PS file (207 KB)

The effects of vertical outflows on disk dynamos p. 635
A. Bardou, B. von Rekowski, W. Dobler, A. Brandenburg and A. Shukurov
Abstract | References | Full HTML | PDF file (712 KB) | PS file (576 KB)

Instruments, observational techniques and data processing

Maximum likelihood estimation of single X-ray point-source parameters in ROSAT data p. 649
F. G. Boese and S. Doebereiner
Abstract | References | Full HTML | PDF file (677 KB) | PS file (954 KB)

Astrometric detection of sub-stellar companions with GAIA p. 672
C. F. Quist
Abstract | References | Full HTML | PDF file (402 KB) | PS file (185 KB)

Stellar coronagraphy with a redundant array of telescopes in space: - The multiple mask coronagraph p. 680
C. Aime, R. Soummer and B. Lopez
Abstract | References | Full HTML | PDF file (395 KB) | PS file (626 KB)

Comparison of source detection procedures for XMM-Newton images p. 689
I. Valtchanov, M. Pierre and R. Gastaud
Abstract | References | Full HTML | PDF file (1.08 MB) | PS file (1.20 MB)

Computational methods

Analytical solution of the radiative transfer equation in the two-stream approximation p. 707
N. V. Kryzhevoi, G. V. Efimov and R. Wehrse
Abstract | References | Full HTML | PDF file (279 KB) | PS file (569 KB)

Astronomy and Astrophysics