Spanish

Vol. 14 (2002)

X Reunión Regional Latinoamericana de Astronomía, IAU
Held from September 19 to 21, 2001 , at the in Cordoba , México

Proceedings Editors: Juan José Clariá, Diego García Lambas y Hugo Levato

Contributions

Juan Jose Claria, Diego Garcia Lambas, Hugo Levato
Reunion Regional Latinoamericana de Astronomia (10 : 2001 : Cordoba, Argentina)
J. A. Fernández
3-6
Extrasolar planets: theory and observations
PDF
S. Ferraz-Mello, T. A. Michtchenko
7-10
Extra-solar Planetary Systems
PDF
R. G. Cionco, A. Brunini
11-11
Orbital migrations in planetesimal disks
PDF
P. J. D. Mauas, C. Cincunegui
15-15
Indicators of Solar and Stellar activity
PDF
R. Gamen, V. Niemela
16-16
The behavior of the NIV 5203.2 Å line in stars with Wolf-Rayet and early O-type spectra
PDF
M. J. Stock, J. García, N. Sánchez, J. Stock
17-17
Quantitative Stellar Spectral Classification. II. Early Type Stars
PDF
A. M. Serenelli, L. G. Althaus, O. G. Benvenuto, A. H. Córsico
18-18
The evolution of intermediate mass stars from the main sequence to the white dwarf stage
PDF
A. A. Serenelli, O. G. Benvenuto, L. G. Althaus, R. Barbá, N. I. Morrell
19-19
Apsidal motion in binary systems as a tool for determination of stellar masses: system HD 93205 (O3V+O8V)
PDF
N. Falcón, J. Labrador
20-21
Convective overshooting in White Dwarf and ZZ Ceti stars
PDF
Z. Abraham, A. Damineli, L. A. Nyman, F. Macauliffe, P. Durouchoux
22-22
Maser Effects in the Recombination Lines of Eta Carinae
PDF
M. Curé
23-23
Disk formation in Be-stars due to line driven stellar wind and rotation
PDF
C. Cappa, W. M. Goss, S. Pineault
24-24
VLA radio continuum observations of WR ring nebulae
PDF
M. Peña, G. Stasińska, S. Medina
25-25
Physical properties of Planetary nebulae around [WC] central stars
PDF
J. A. Panei, O. G. Benvenuto
26-26
Chemical Diffusion in Stellar Convective Regions
PDF
B. Barbuy
29-32
The Galactic Bulge
PDF
M. A. Higuera, A. Uribe, R. S. Barrera
33-33
Membership in the region of the open cluster NGC2244 via the EM algorithm
PDF
H. Dottori, A. Fausti, M. R. de Oliveira, R. de Carvalho
34-34
Resolving Stellar Cluster Enigmas through N-body Simulations
PDF
E. E. Giorgi, R. A. Vázquez, G. Baume, W. Seggewiss, J. M. Will
35-35
Photometric study of NGC 2571
PDF
J. F. González
36-36
Radial velocities, binarity, and kinematic membership in open clusters with blue straggler candidates
PDF
G. Baume, R. A. Vázquez, A. Feinstein
37-37
NGC 3293: Its Main Sequence Structure
PDF
B. Dirsch, T. Richtler, D. Geisler, K. Gebhardt, L. Infante, D. Minniti, M. Hilker, M. Rejkuba, E. K. Grebel, S. Larsen, M. V. Alonso
38-38
The mass profile of NGC 1399 determined from globular cluster dynamics
PDF
A. Arellano Ferro, A. Aguilar, Z. Marín, P. Rosenzweig
39-39
Physical parameters of RR Lyraes in globular clusters from long term CCD photometry
PDF
G. Dubner
43-46
The complex relations between Supernova Remnants and Neutron Stars
PDF
M. Peimbert, A. Peimbert
47-52
The Temperature Structure in Ionized Nebulae and the Chemical Evolution of Galaxies
PDF
A. Carramiñana
53-53
Geminga-like pulsars
PDF
O. L., Jr. Dors, M. V. F. Copetti
54-54
On the Ionizing Sources of HII Regions
PDF
J. M. Paredes, J. Casares, C. Zurita, J. Martí, M. Ribó
55-55
New results on the microquasar LS 5039
PDF
Y. Gómez, L. F. Rodríguez
56-56
VLA observations of H[2]O and OH (1612 MHz) maser emission toward OH 231.8+4.2
PDF
J. A. H. Malmann, M. V. F. Copetti, I. C. F. Dos Santos, J. M. Castañeda, J. M. Vilchez
57-57
Internal Variation of Electron Density in Galactic and Extragalactic HII Regions
PDF
J. Martí, J. M. Paredes, M. Peracaula
58-58
Bipolar relativistic ejections in Cygnus X-3
PDF
I. Cruz-González, L. Salas
59-59
H[2] kinematics of outflows
PDF
L. Infante
63-67
Hierarchical clustering
PDF
A. Garcia-Rissmann, L., Jr. Sodré
68-68
Variability and Parameter Correlations in Quasars
PDF
J. C. Muzzio, F. C. Wachlin, D. D. Carpintero
69-69
Dynamics of Galactic Satellites on Elongated Orbits
PDF
S. N. Kemp, A. Katsiyannis, J. Meaburn, M. Chávez, D. S. Berry
70-70
Faint light in clusters of galaxies
PDF
R. J. Díaz, H. Dottori, N. Villamizar, G. Carranza
71-71
Estructuras circunnucleares en la galaxia activa interactuante NGC 1241: Cinemática y morfología en bandas ópticas e IR (HST y Gemini)
PDF
C. A. Valotto, H. Muriel, B. Moore, D. García Lambas
72-72
Population of Faint Galaxies in Clusters
PDF
M. H. Pedreros, C. Gallart
73-73
A Search for Star Clusters in Dwarf Galaxies of the Local Group: dwarf Irregulars Sextans A and Sextans B
PDF
A. Caproni, Z. Abraham
74-74
3C 120: relation between optical variability and superluminal motions
PDF
M. Domínguez, B. Moore, F. Pearce
75-75
Environmental Effects on Galaxies in Clusters.
PDF
C. A. Caretta, M. A. G. Maia, C. N. A. Willmer
76-76
The Aquarius Superclusters
PDF
M. A. G. Maia, R. S. Machado, C. N. A. Willmer
77-77
The Population of Seyfert Galaxies in the Local Universe
PDF
M. A. G. Maia, R. L. C. Ogando, P. S. Pellegrini, R. P. Schiavon, C. Chiappini, C. Rité, C. N. A. Willmer, L. N. da Costa, M. V. Alonso
78-78
First Results of Metallicity Gradients in Elliptical Galaxies
PDF
A. González-S., E. Romano Díaz
79-79
Large-scale shear and alignment of cosmic structures
PDF
M. Mosconi
80-80
Formación de Galaxias y Evolución Química
PDF
T. Storchi-Bergmann, R. Cid Ferandes, R. González Delgado, H. R. Schmitt, T. Heckman
81-81
Triggering AGN's: an evolutionary scenario
PDF
R. Giovanelli
85-89
Scaling relations of spiral galaxies and their application to Cosmology
PDF
M. Makler, T. Kodama, M. O. Calvão
90-90
Non-spherical collapse models and the cosmological mass function
PDF
V. Avila-Reese, C. Firmani
91-91
Formation and evolution of disk galaxies
PDF
F. D. Macchetto
95-97
HST: The Astronomy revolution
PDF
A. Etchegoyen
98-98
Estado del Observatorio Pierre Auger
PDF
D. Ferreiro, P. Recabarren, M. Mosconi, V. Renzi
99-99
Estación Astronómica ``J.L. Sérsic": 4 años de astronomía en el casquete polar
PDF
P. F. Velázquez, A. C. Raga, H. Sobral, E. de La Fuente, M. Rosado, R. Navarro-González, M. Villagrán Muniz
100-100
Laser laboratory experiments, observations and numerical simulations of strong explosions.
PDF
J. L. Muiños, F. Bellizón, M. Vallejo, C. Mallamacci, J. A. Pérez, J. A. Sedeño, L. Marmolejo, J. Navarro
101-101
Observaciones meridianas con cámara CCD en el Círculo Meridiano Automático de San Fernando
PDF
M. Vallejo, J. L. Muiños, F. Belizón, C. Mallamacci, J. A. Pérez
102-102
El Círculo Meridiano Automático de San Fernando en San Juan
PDF
D. C. Boice, R. Wegmann, J. I. Watanabe, A. A. de Almeida, M. V. Canaves
103
Pre-Encounter Models of Comet 19P/BORRELLY for the Deep Space 1 Mission
F. Artigue, G. Tancredi, J. Fernández, R. Gil Hutton, J. Licandro, M. Melitta, H. Rickman
103
Observations of Cometary Nuclei, from CASLEO
M. R. Voelzke
104
Could Dynamic Pressure Effects Cause the Disconnection Events in Comet P/halley?
D. Lazzaro, J. M. Carvano, T. Mothé-Diniz, C. A. Angeli, R. Duffárd, M. Florczak
104
S3OS2: a Visible Spectroscopic Survey of around 800 Asteroids
A. A. Alvarez Candal, S. Fernández, J. Ahumada, R. Duffard
104
Photometry of Asteroids Members of Maria and THEMIS Families
J. G. Portilla
105
Gauss' Forms of the Lagrange's Equations for the Analytical Solution of the Postnewtonian Two Body Problem
R. Duffard, P. Penteado, T. Kodama, D. Lazzaro
105
Collisions Between Asteroids
S. Fernández, M. A. Nicotra, M. J. Quiroz
106
Efecto de Las Resonancias Seculares EN la Zona Exterior a Saturno
C. Altavista
106
Projective Methods in Dynamics and Other Fields of Physics
M. C. López Fuentes, C. H. Mandrini, P. Démoulin, L. van Driel-Gesztelyi
107
Peculiar Active Regions during the Last Two Solar Cycles
S. Fernández, S. Flores, S. Patiri
107
Resonancias de Movimientos Medios de tres Cuerpos
M. L. Luoni, C. H. Mandrini, Y. Karim, B. Schieder, P. Démoulin
107
High Resolution Observations of Reconnected Magnetic Loops
J. P. Raulin, P. Kaufmann, G. Trottet, K. L. Klein, D. Gary, M. Siarkowski
108
First Detection of the Impulsive and Extended Phases of a Solar Radio Burst above 200 GHZ
A. M. Vásquez, A. A. van Ballegooijen, J. C. Raymond
108
a Semiempirical Model for the Large-Scale Minimum Activity Solar Corona
M. C. López Fuentes, C. H. Mandrini, P. Démoulin, L. van Driel-Gesztelyi, A. Pevtsov
108
Inferring the Writhe of Emerging Flux Tubes from the Evolution of the Orientation of Bipole Axes
A. Melo, A. Pacini, P. Kaufmann, J. P. Raulin, E. Correia, G. Giménez de Castro, A. Silva, M. Rovira, G. Stenborg, H. Levato, A. Marún
109
Possible Association of CMES to the Onset of Solar Rapid Spikes Observed at Submm-Waves
E. Correia, J. -P. Raulin, P. Kaufmann, G. Trottet
109
Dynamics of the Coronal Magnetic Fields Inferred from Multifrequency Radio Observations of a Solar Flare
A. F. Torres, A. E. Ringuelet
110
The Hot Temperature Region in be Stars
R. O. J. Venero, J. Puls
110
Treatment of Inverted Populations in Radiative Transfer in Expanding Atmospheres of Hot Stars
P. G. Ostrov, N. I. Morrell, E. Lapasset
110
CCD Photometry and Analysis of the Eclipsing Binary HV 2241
H. A. Abt, H. Levato, M. Grosso
111
Rotational Velocities of B Stars
T. Palma, L. Gramajo, J. F. González, M. Gómez
111
Study of Spectroscopic Variability of T Tau Stars
R. Levenhagen, N. Leister, J. Zorec, E. Janot-Pacheco, A. M. Hubert, M. Floquet
112
Multiperiodic Variations of the STAR Star HD 127972
C. Abad, K. Vieira
112
Solar Motion Using all HIPPARCOS
J. A. Panei, O. G. Benvenuto
112
Stellar Evolution of Massive Stars up the Asymptotic Giant Branch
A. Smith-Castelli, J. Zorec, L. Cidale
113
Spectral Classification of Stars with the B[E] Phenomenon
Y. Frémat, J. Zorec, A. M. Hubert, L. Cidale, R. Rohrmann, J. M. Desert, R. Ferlet, A. Lecavelier des Etangs, A. Vidal-Madjar
113
Fuse: Distance Determination and ISM Towards V767 CEN
J. Zorec, Y. Frémat, A. M. Hubert, M. Floquet, L. Cidale
114
Fundamental Parameters of STARS Stars Taking Into Account Their Fast Rotation
J. Zorec, J. Chauville, D. Ballereau, N. Morrell, L. Cidale
114
New Vsini Determinations and Physical Properties of Circumstellar Envelopes in STARS Stars
E. Janot-Pacheco, N. Leister, R. Levenhagen, M. V. M. Fernandes, A. M. Hubert, M. Floquet, J. Zorec, S. Jankov, A., Jr. Domiciano de Souza, C. Neiner
115
Multiperiodicity and NRP in STARS Stars
J. Galindo Trejo
115
El Registro de la OBSERVACIÓN de Una EXPLOSIÓN de Supernova Realizado Por Teotihuacanos EN EL Siglo IV D. C.
A. P. Buccino, P. J. D. Mauas
116
The MG II Lines as Indicators of Solar and Stellar Activity
A. M. Serenelli, L. G. Althaus, R. D. Rohrmann, O. G. Benvenuto
116
Evolution of Helium Core White Dwarfs with Different Metallicities
R. Gruenwald, S. M. Viegas
117
Reanalyzing the Zanstra Discrepancy
A. Cruzado, A. E. Ringuelet
117
Atomic Levels Population Under NLTE Conditions
C. R. Ghezzi, E. M. de Gouveia dal Pino, J. E. Horvath
117-117
Asymmetric type Ia supernova explosion.
C. R. Ghezzi, E. M. de Gouveia dal Pino, J. E. Horvath
117
Asymmetric Type IA Supernova Explosions
J. I. Arias, N. I. Morrell, R. H. Barbá, G. L. Bosch, M. Grosso
118
The Massive Double-Lined O-Type Binary HD 165052
A. Ringuelet, L. Cidale, N. Morrell, L. Tringaniello, J. Zorec, C. Marañón di Leo
118
Forbidden Components in the Line Spectrum of he I. I. Survey of B Stars in the Southern Hemisphere
M. S. Alonso, Z. López García, S. M. Malaroda
119
Elemental Abundance Studies of CP Stars. The Helium-Weak Group I. Hd 19400, HD 34797 and HD 35456
A. H. Córsico, O. G. Benvenuto, L. G. Althaus, A. M. Serenelli
119
Time Dependent Diffusion in ZZ Ceti Stars: Asteroseismology of G117B-15A
A. Miroshnichenko, H. Levato, K. Bjorkman, M. Grosso, S. Malaroda, G. Solivella
120
Research on the Properties of a Group of Southern B-Type Emission-Line Stars
M. L. Arias, J. Zorec, L. Cidale, J. Chauville, D. Bullereau
120
Properties of STAR Star Circumstellar Envelopes Deduced from fe II Emission Lines
J. Cuadra, N. B. Suntzeff, P. Candia, K. Krisciunas, M. M. Phillips
121-121
Optical and Infrared Light Curve of SN2000cx
PDF
J. Cuadra, N. B. Suntzeff, P. Candia, K. Krisciunas, M. M. Phillips
121
Optical and Infrared Light Curve of SN2000CX
L. Cidale, R. Venero, J. Zorec, J. P. Maillard
121
H Line Formation in the IR Spectrum of STARS Stars
M. F. Montero, A. M. Platzeck
121
Dynamical Structure of a Stellar Envelope Under Magnetic and Radiation Fields
A. H. Córsico, O. G. Benvenuto, L. G. Althaus, A. M. Serenelli
122
The Effects of Element Diffusion on the Pulsational Properties of ZZ Ceti Stars
D. B. Pavani, E. Bica, C. M. Dutra, H. Dottori, B. X. Santiago, G. Carranza, R. J. Díaz
123
Open Clusters or Their Remnants: B and V Photometry of NGC 1901 and NGC 1252
L. A. Milone, D. C. Merlo
123
Ionization and Molecular Formation in the Atmosphere of UX Antliae
L. A. Milone, D. C. Merlo
123
Molecular Formation in Stellar Atmospheres
W. S. Dias, J. R. D. Lépine, B. S. Alessi
124
Membership and Proper Motions of a Large Sample of Open Clusters
J. A. Ahumada, E. Lapasset
124
FOTOMETRÍA CCD de LOS CÚMULOS Abiertos Haffner 17 Y Harvard 6
L. P. Bassino, R. E. Martínez
125
CCD Photometry of the Open Cluster NGC 2395
C. Saffe, H. Levato, Z. López García
125
Elemental Abundances in CP Stars of Galactic Open Clusters
J. C. Mermilliod, J. J. Clariá, J. Andersen, A. E. Piatti, M. Mayor
126
Membership, Binarity and Stellar Evolution of Red Giants in the Open Clusters NGC 2324, NGC 2818, NGC 3960 and NGC 6259
J. Luna, H. Levato, S. Malaroda, M. Grosso
126
An Improvement of Spectroscopic Elements for the Orbits of Some Spectroscopic Binaries in the Open Cluster Trumpler 16
A. V. Ahumada, J. J. Clariá, E. Bica, C. M. Dutra, M. C. Torres
126
Integrated Spectral Properties of 13 Open Galactic Clusters
A. E. Piatti, A. Sarajedini, D. Geisler, E. Bica, J. J. Clariá
127
CCD Washington Photometry of the Oldest Intermediate-Age Clusters NGC 2121, NGC 2155 and SL896 (lw 480) in the Large Magellanic Cloud
A. V. Ahumada, J. J. Clariá, E. Bica, C. M. Dutra
127
Exploring Star Cluster Properties at the SMC Metallicity Level
A. E. Piatti, J. J. Clariá
127
Photometric Survey of Southern Open Clusters: Melotte 105, HOGG 15 PISMIS 21 and Ruprecht 140
J. F. González, E. Lapasset
128
Spectroscopic Binaries and Kinematic Membership in the Open Cluster NGC 3532
G. Baume, R. A. Vázquez, A. Feinstein
128
Photometric Study in STOCK 16
M. Ramos de Oliveira
128
Interactions Between Clusters in the Magellanic Clouds and in the Milky WAY1
S. Cichowolski, S. Pineault, E. M. Arnal, J. C. Testori, W. M. Goss, C. E. Cappa
129
A DRAO and VLA Study of the Environment of WR 130
A. Moitinho, W. Schuster, G. García
129
Reconocimiento UBVRI de CÚMULOS Abiertos del Hemisferio Norte
E. M. Arnal, G. A. Romero
130
The Molecular Gas Associated with ARA OB1
G. Dubner, E. Giacani, B. Gaensler, W. M. Goss, A. Green
131
Environs of Bilateral Supernova Remnants with Neutron Stars
W. Weidmann, R. Díaz, G. Carranza
131
ORIENTACIÓN Espacial de Nebulosas Planetarias Elongadas EN la VIíA LÁCTEA
E. Giacani, G. Dubner, D. Frail, W. G. Goss
131
Two New Pulsar Wind Nebulae around Southern Pulsars
R. D. Rohrmann, M. Gómez
131
Circumstellar Ring Formation at the Protostellar Collapse
D. A. Falceta-Gonçalves, V. Jatenco-Pereira
132
Dust Grain Influence in AN ALFVÉN Wave Driven Late-Type Winds
L. J. Pellizza González, J. C. Forte, D. D. Carpintero
132
Interstellar Matter in Globular Clusters
C. M. Dutra, B. X. Santiago, B. Barbuy, E. Bica
133
Mapping Out the Interstellar Extinction in the Central 10 Degrees of the Galaxy with 2MASS
J. M. Torrelles, N. A. Patel, J. F. Gómez, P. T. P. Ho, L. F. Rodríguez, G. Anglada, G. Garay, L. Greenhill, S. Curiel, J. Cantó
133
Spherical Ejection of Material from a Young Star
I. N. Azcárate
133
a Measurement of the Atmospheric Secondary Charged Cosmic Radiation at a Place of 11.5 GV Geomagnetic Cut-Off
C. Cappa, S. Pineault, E. M. Arnal, S. Cichowolski
134
The Interaction of BD+24° 3866 and BD+24° 3881 with the Surrounding ISM
R. Morras, E. M. Arnal, J. C. Testori, E. Bajaja, W. G. L. Pöppel, P. Reich
134
Neutral Hydrogen and Radio Continuum Emission in the IRAS VELA Shell
M. Gómez, B. Whitney
134
Outflows Associated with the Protostars in the ρ Ophiuchi Embedded Cluster
M. Gómez, P. Persei, G. Olofsson
135
Near-IR Spectra of ISO Detected Chamaeleon i Young Stellar Objects
M. Gómez, P. Persei, G. Racca
135
Optical Spectroscopy of Two ISO Selected Chamaeleon i Young Stars
G. Racca, S. Kenyon, M. Gómez
135
a Near-Infrared Imaging Survey of the Globule 2 IN the Coalsack
W. G. L. Pöppel, E. Bajaja, R. Morras, E. M. Arnal
136
Structure and Kinematics of the HI in the Surroundings of the Sco-Cen Association
W. G. L. Pöppel, E. Bajaja, R. Morras, E. M. Arnal
136
Distribution and Kinematics of HI in the Galactic Quadrant III
M. Ribó, J. M. Paredes, G. E. Romero, P. Benaglia, J. Martí
137
The Microquasar LS 5039 and the SNR G016.8-01.1
L., Jr. Sodré, D. Proust, H. V. Capelato, G. B. Lima Neto, H. Cuevas, H. Quintana, P. Fouqué
137
The Cluster of Galaxies Abell 970
A. Zandivarez, M. G. Abadi
137
Measuring the Large-Scale Structure of the Universe with the Updated Zwicky Catalogue
C. Kehrig, E. Telles
138
Surface Photometry of Ultraluminous IRAS Galaxies
C. Scannapieco, P. Tissera, R. Domínguez-Tenreiro, A. Sáiz
138
The Effects of Mergers on the Astrophysical Properties of Galaxy-Like Objects
L. Vega, R. J. Díaz, S. Lípari, T. Storchi-Bergmann, H. Dottori
139
Physical Conditions of the Ionized Gas in the Central Regions of Sersic-Pastoriza Galaxies: NGC 5248
L. Vega, R. J. Díaz, S. Lípari, T. Storchi-Bergmann, H. Dottori
139
Nuclear and Circumnuclear Kinematics of Sersic-Pastoriza Galaxies: NGC 5248
A. G. Sánchez, D. García Lambas, M. G. Abadi, N. D. Padilla
139
The Determination of the Mass Power Spectrum from the Mass Function of Galaxy Clusters
T. P. Dominici, Z. Abraham, R. Teixeira, P. Benevides-Soares
140
Five-Year Optical Variability of Bright Extragalactic Sources
S. L. Liípari, E. Mediavilla, R. Díaz
140
Mapeos de Vientos GALÁCTICOS EN IR Mergers Y QSOS
M. C. Pivato, N. D. Padilla, D. García Lambas, C. M. Baugh
140
High Order Bias in Ellipsoidal Collapse Model
G. V. Coldwell, H. J. Martínez, D. García Lambas
140
The Environment of Active Objects in the Nearby Universe
M. P. Agüero, R. J. Díaz, M. Oddone
141
DISTRIBUCIÓN de Masa EN Galaxias Espirales
J. Calderón, M. Campos, G. Gimeno, R. J. Díaz
141
Photometry of Compact Groups of Galaxies: Shakhbazyan 362 &166
M. Domínguez, H. Muriel, D. García Lambas
141
Morphological Segregation in Intermediate Redshift Clusters
D. Mast, M. Campos, W. Weidmann, M. P. Agüero, R. J. Díaz, J. C. Calderón
142
Observaciones CCD de Grupos Compactos de Hickson
E. Agüero, R. J. Díaz, S. Paolantonio
142
Una FUSIÓN de Galaxias
G. Günthardt, E. Agüero, R. J. Díaz
142
El Par de Galaxias Interactuantes VV 780
R. J. Díaz, R. L. Tommasi, E. Pian
143
Espectroscopía, Fotometría y Polarimetría del Blazar PKS 2155-304
R. J. Díaz, E. Agüero, E. Bajaja, G. Carranza
143
Anillos Adentro: Las Regiones Centrales de NGC 1433
E. M. de Gouveia dal Pino, A. Lazarian
143
Acceleration of Ultra-High Cosmic-Rays in Accretion-Induced Collapse Pulsars in the Local Universe
G. Gimeno, R. J. Díaz, G. Carranza
144
Catalogue of Double Nuclei Disk Galaxies
G. Gimeno, R. J. Díaz, G. Carranza
144
Observations of Double Nuclei Disk Galaxies
C. M. Dutra, E. Bica, J. J. Clariá, A. E. Piatti, A. V. Ahumada
144
Study of the Transparency of the Magellanic Clouds from Integrated Spectroscopy of Background Galaxies
M. A. Oddone, R. J. Díaz, G. Carranza, G. Goldes
145
Morphology, Kinematics and Spectroscopy of the Pavus Triple System
H. H. Crowl, A. Sarajedini, A. E. Piatti, D. Geisler, E. Bica, J. J. Clariá, J. F. C. Santos
145
Analysis of Metallicity and Age Variations of Populous Clusters with the Line-Of Depth in the Small Magellanic Cloud
E. Díaz, M. Merchan, H. Muriel, D. García Lambas
146
CATÁLOGOS SINTÉTICOS de Galaxias Y CÚMULOS de Galaxias
C. Ragobe, H. Muriel, D. García Lambas, M. Merchan, H. Quintana, L. Infante
146
Grupos de Galaxias EN EL Entorno de CÚMULOS
H. Muriel, D. García Lambas
146
Las Galaxias MÁS Brillantes de CÚMULOS
A. Oscoz
146
Time Delay in QSO 0957+561 from 1984-99 Data
E. B. de Amôres, J. R. D. Lépine
147
Models for the Galactic Structure and Evidence of a Bar at the Galactic Center
T. Villela, J. Braga, J. Mejía, E. Rinke, R. Fonseca
147
Masco Gamma-Ray Experiment Laboratory Images
J. H. Calderón, M. Villada, I. Bustos Fierro
148
Bidimensional Digitization of Photographic Stellar Spectra of CÓRDOBA Observatory
T. Villela, C. Tello, G. Smoot, C. Wuensche, M. Figueiredo, A. Pina, M. Bersanelli, G. D'Amici, S. Torres
148
New Partial Low-Frequency Radio Sky Maps
T. Villela, C. Wuensche, N. Figueiredo, A. Pina, C. Tello, P. Meinhold, J. Childers, M. Kangas, A. Levy, S. Parendo, P. Lubin
148
The Ace Project: a Program to Measure Anisotropies and Polarization in the Cosmic Microwave Background Radiation
P. Kaufmann, J. Costa, G. Giménez de Castro, R. Hadano, J. P. Raulin, E. Correia, A. Silva, J. S. Kingsley, R. K. Kingsley, H. Levato, A. Marún, M. Rovira
149
The New Submillimeter-Wave Solar Telescope
A. A. Alvarez-Candal, S. Coca, C. Chavero, R. Duffard
149
The Extinction Coefficient of Bosque Alegre Astrophysical Station
I. H. Bustos Fierro, J. H. Calderón
149
Measurement of Astrometric Plates with CCD
N. Mazza, N. Nuñez, L. Balmaceda, C. Francile, G. Stenborg
150
On the Evolution of the Diurnal Atmospheric Opacity at EL Leoncito