Astronomy & Astrophysics

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A&A Vol. 377 No. 2

	Astronomy and Astrophysics
	Vol. 377 No. 2 (October II 2001)
Cover illustration: Ionization, warm dust and X-rays in the Galactic center (Rodríguez-Fernández, N.J., et al., p. 641)

Letters

NOVA Sco 2001 (V1178 SCO) p. L5
M. Andersen and S. Kimeswenger
Abstract | References | Full HTML | PDF file (139 KB) | PS file (276 KB)

Optical spectroscopy of isolated planetary mass objects in the $\mathsf{\sigma}$ Orionis cluster p. L9
D. Barrado y Navascués, M. R. Zapatero Osorio, V. J. S. Béjar, R. Rebolo, E. L. Martín, R. Mundt and C. A. L. Bailer-Jones
Abstract | References | Full HTML | PDF file (201 KB) | PS file (293 KB)

Are granules good tracers of solar surface velocity fields? p. L14
M. Rieutord, T. Roudier, H.-G. Ludwig, Å. Nordlund and R. Stein
Abstract | References | Full HTML | PDF file (313 KB) | PS file (339 KB)

Planetary nebula or symbiotic Mira? Near infrared colours mark the difference p. L18
S. Schmeja and S. Kimeswenger
Abstract | References | Full HTML | PDF file (133 KB) | PS file (254 KB)

Pulsational and rotational line profile variations of the roAp stars $\alpha$ Cir and HR 3831 p. L22
O. Kochukhov and T. Ryabchikova
Abstract | References | Full HTML | PDF file (955 KB) | PS file (674 KB)

Extragalactic astronomy

VLBA observations of GHz-Peaked-Spectrum radio sources at 15 GHz p. 377
C. Stanghellini, D. Dallacasa, C. P. O'Dea, S. A. Baum, R. Fanti and C. Fanti
Abstract | References | Full HTML | PDF file (1.19 MB) | PS file (843 KB)

Metallicity gradients in the Sagittarius dwarf spheroidal galaxy p. 389
C. Alard
Abstract | References | Full HTML | PDF file (231 KB) | PS file (230 KB)

Optical and radio variability of the BL Lacertae object AO 0235+16: A possible 5-6 year periodicity p. 396
C. M. Raiteri, M. Villata, H. D. Aller, M. F. Aller, J. Heidt, O. M. Kurtanidze, L. Lanteri, M. Maesano, E. Massaro, F. Montagni, R. Nesci, K. Nilsson, M. G. Nikolashvili, P. Nurmi, L. Ostorero, T. Pursimo, R. Rekola, A. Sillanpää, L. O. Takalo, H. Teräsranta, G. Tosti, T. J. Balonek, M. Feldt, A. Heines, C. Heisler, J. Hu, M. Kidger, J. R. Mattox, E. J. McGrath, A. Pati, R. Robb, A. C. Sadun, P. Shastri, S. J. Wagner, J. Wei and X. Wu
Abstract | References | Full HTML | PDF file (2.08 MB) | PS file (575 KB)

EVN and MERLIN observations of III Zw 35 - A starburst continuum and an OH maser ring p. 413
Y. M. Pihlström, J. E. Conway, R. S. Booth, P. J. Diamond and A. G. Polatidis
Abstract | References | Full HTML | PDF file (406 KB) | PS file (541 KB)

The enigma in the heart of Ursa Minor p. 425
S. Demers and P. Battinelli
Abstract | References | Full HTML | PDF file (86.8 KB) | PS file (97.1 KB)

The cluster of galaxies Abell 970 p. 428
L. Sodré Jr., D. Proust, H. V. Capelato, G. B. Lima Neto, H. Cuevas, H. Quintana and P. Fouqué
Abstract | References | Full HTML | PDF file (537 KB) | PS file (836 KB)

Deep BV R photometry of the Chandra Deep Field South from the COMBO-17 survey p. 442
C. Wolf, S. Dye, M. Kleinheinrich, K. Meisenheimer, H.-W. Rix and L. Wisotzki
Abstract | References | Full HTML | PDF file (3.90 MB) | PS file (1.13 MB)

Colors and luminosities of the optical afterglows of the $\mathsf{\gamma}$ -ray bursts p. 450
V. Simon, R. Hudec, G. Pizzichini and N. Masetti
Abstract | References | Full HTML | PDF file (475 KB) | PS file (436 KB)

Stellar clusters and associations

Gravitational tidal effects on galactic open clusters p. 462
G. Bergond, S. Leon and J. Guibert
Abstract | References | Full HTML | PDF file (839 KB) | PS file (739 KB)

Statistics and supermetallicity: The metallicity of NGC 6791 p. 473
B. J. Taylor
Abstract | References | Full HTML | PDF file (182 KB) | PS file (158 KB)

Formation, structure and evolution of stars

Spectroscopic observations of the $\mathsf{\delta}$ Scorpii binary during its recent periastron passage p. 485
A. S. Miroshnichenko, J. Fabregat, K. S. Bjorkman, D. C. Knauth, N. D. Morrison, A. E. Tarasov, P. Reig, I. Negueruela and P. Blay
Abstract | References | Full HTML | PDF file (361 KB) | PS file (424 KB)

Research Note SIDONIE: A gateway for visual double stars studies p. 496
D. Le Contel, J.-C. Valtier and D. Bonneau
Abstract | References | Full HTML | PDF file (271 KB) | PS file (1.53 MB)

The X-ray emission of the intermediate polar V 709 Cas p. 499
D. de Martino, G. Matt, K. Mukai, T. Belloni, J. M. Bonnet-Bidaud, L. Chiappetti, B. T. Gänsicke, F. Haberl and M. Mouchet
Abstract | References | Full HTML | PDF file (741 KB) | PS file (588 KB)

On the dispersion in lithium and potassium among late-type stars in young clusters: IC 2602 p. 512
S. Randich
Abstract | References | Full HTML | PDF file (262 KB) | PS file (175 KB)

Self-consistent coupling of radiative transfer and dynamics in dust-driven winds p. 522
S. Liberatore, J.-P. J. Lafon and N. Berruyer
Abstract | References | Full HTML | PDF file (250 KB) | PS file (225 KB)

X-ray emission from young stars in Taurus-Auriga-Perseus: Luminosity functions and the rotation -activity -age -relation p. 538
B. Stelzer and R. Neuhäuser
Abstract | References | Full HTML | PDF file (462 KB) | PS file (294 KB)

UV spectra of T Tauri stars from the HST and IUE satellites: BP Tau p. 557
L. Errico, S. A. Lamzin and A. A. Vittone
Abstract | References | Full HTML | PDF file (269 KB) | PS file (218 KB)

Submillimeter lines from circumstellar disks around pre-main sequence stars p. 566
G.-J. van Zadelhoff, E. F. van Dishoeck, W.-F. Thi and G. A. Blake
Abstract | References | Full HTML | PDF file (585 KB) | PS file (558 KB)

S 111 and the polarization of the B[e] supergiants in the Magellanic Clouds p. 581
R. Melgarejo, A. M. Magalhães, A. C. Carciofi and C. V. Rodrigues
Abstract | References | Full HTML | PDF file (173 KB) | PS file (206 KB)

Atomic T Tauri disk winds heated by ambipolar diffusion - I. Thermal structure p. 589
P. J. V. Garcia, J. Ferreira, S. Cabrit and L. Binette
Abstract | References | Full HTML | PDF file (1.39 MB) | PS file (1.35 MB)

Atomic T Tauri disk winds heated by ambipolar diffusion - II. Observational tests p. 609
P. J. V. Garcia, S. Cabrit, J. Ferreira and L. Binette
Abstract | References | Full HTML | PDF file (1.59 MB) | PS file (2.22 MB)

Formation and evolution of planetary systems

4 $\mathsf{\mu}$ m spectra of AGB stars I. Observations p. 617
T. Lebzelter, K. H. Hinkle and B. Aringer
Abstract | References | Full HTML | PDF file (279 KB) | PS file (1.95 MB)

Diffuse matter in space

Large scale ionization of the Radio Arc region by the Quintuplet and the Arches clusters p. 631
N. J. Rodríguez-Fernández, J. Martín-Pintado and P. de Vicente
Abstract | References | Full HTML | PDF file (383 KB) | PS file (652 KB)

Clumpy outer Galaxy molecular clouds and the steepening of the IMF p. 644
J. Brand, J. G. A. Wouterloot, A. L. Rudolph and E. J. de Geus
Abstract | References | Full HTML | PDF file (1.12 MB) | PS file (1.10 MB)

A model for the strings of $\mathsf{\eta}$ Carinae p. 672
N. Soker
Abstract | References | Full HTML | PDF file (109 KB) | PS file (109 KB)

A possible sets of diffuse bands originating at the same carrier p. 677
T. Weselak, J. Fulara, M. R. Schmidt and J. Krelowski
Abstract | References | Full HTML | PDF file (241 KB) | PS file (177 KB)

The sun

Erratum
Coronal electron acceleration and relativistic proton production during the 14 July 2000 flare and CME p. 687
K.-L. Klein, G. Trottet, P. Lantos and J.-P. Delaboudinière
Abstract | Full HTML | PDF file (254 KB) | PS file (319 KB)

Gravitational multipole moments of the Sun determined from helioseismic estimates of the internal structure and rotation p. 688
I. W. Roxburgh
Abstract | References | Full HTML | PDF file (87.9 KB) | PS file (97.9 KB)

Long period oscillations in the inter-plume regions of the Sun p. 691
D. Banerjee, E. O'Shea, J. G. Doyle and M. Goossens
Abstract | References | Full HTML | PDF file (1.19 MB) | PS file (600 KB)

Physical and chemical processes

Fast magnetosonic waves driven by gravitational waves p. 701
D. Papadopoulos, N. Stergioulas, L. Vlahos and J. Kuijpers
Abstract | References | Full HTML | PDF file (148 KB) | PS file (155 KB)

Crystalline silicon nanoparticles as carriers for the Extended Red Emission p. 707
G. Ledoux, O. Guillois, F. Huisken, B. Kohn, D. Porterat and C. Reynaud
Abstract | References | Full HTML | PDF file (383 KB) | PS file (433 KB)

Instruments, observational techniques and data processing

Interferometric-Doppler imaging of stellar surface structure p. 721
S. Jankov, F. Vakili, A. Domiciano de Souza Jr. and E. Janot-Pacheco
Abstract | References | Full HTML | PDF file (471 KB) | PS file (786 KB)

Astronomy and Astrophysics