Introduccion a Las Memorias
S. Torres-Peimbert
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Prefacio
J. R. D. Lépine
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Discurso de Inauguração, Fofografia dos Participantes e Lista de Participantes
M. G. Pastoriza
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Numerical Results for a Polytropic Cosmology Interpreted as a Dust Universe Producing Gravitational Waves
J. Klapp, J. Cervantes-Cota, & P. Chauvet
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Instabilities in a Relativistic Viscous Fluid
M. G. Corona-Galindo, J. Klapp, & A. Vazquez
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Influence of Helium in Gravitational Instabilities
M. G. Corona-Galindo, O. Cardona, & J. Klapp
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Newtonian Version of the Variable Mass Theory of Gravity
J. C. Carvalho & J. A. S. Lima
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Formation of Voids from Negative Density Perturbations
J. C. N. de Araujo & R. Opher
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Nearby galaxy redshift surveys
P. S. Pellegrini & L. N. da Costa
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The clusters of galaxies SC2008-57 (A3667)
L. Sodré Jr., H. V. Capelato, J. E. Steiner, A. Mazure, & D. Proust
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Two examples of clusters dynamical cusps: A496 and Sersic40/6
H. Quintana & A. Ramírez
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On the universality of density profiles in clusters of galaxies
E. Salvador-Solé & M. Sanromà
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Low levels of luminosity segregation in clusters of galaxies: evidence for their dynamical youth?
L. Sodré Jr. & H. V. Capelato
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Clusters of galaxies with double components
A. Ramírez & H. Quintana
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Is the superluminal motion of compact sources a consequence of the dynamics of propagation of thermal instabilities?
E. M. De Gouveia Dal Pino & R. Opher
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A suggestion on the pair of QSO triplets 1130+106 {B,A,C}, {X,Y,Z}.
H. Fagundes
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Energetic and Structural Analysis of Compact Extragaiactic Sources Derived from the High-Frequency Spectral Turnover
C. R. Rabaca & Z. Abraham
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Violent Relaxation, Dynamical Instabilities and the Formation of Elliptical Galaxies
L. A. Aguilar
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Spherical galaxies
J. E. Telles, R. E. de Souza, & J. C. Penereiro
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Disc Instability to the Pulsating Mode
J. P. S. Lemos
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A Dynamical Study of the Formation of Peculiar Galaxies
T. K. Chatterjee
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The variability of extragalactic radio sources
D. R. Altschuler
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Spiral structure in NGC 1566
I. Puerari & H. A. Dottori
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An Estimate of the Tidal Effects in the Dynamics of the Binary Galaxies
S. Junqueira & J. A. de Freitas Pacheco
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The Distribution of Radio Sources Towards Rich Clusters of Galaxies
H. Andernach & C. M. Andreazza
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Are the observed filaments in extended radio sources due to synchrotron radiation thermal instabilities?
E. M. de Gouveia Dal Pino & R. Opher
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Current Generation in Extragalactic Jets by MHD Waves
L. C. Jafelice, R. Opher, A. S. de Assis, & J. Busnardo-Neto
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Kinetic Alfven Waves and the Depletion of the Thermal Population in Extragalactic Jets
L. C. Jafelice & R. Opher
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The magnetization of the intergalactic medium by extragalactic jets
L. C. Jafelice & R. Opher
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Study of the variability of the nucleus of Centaurus A
D. Fernandes de Mello Rabaça & Z. Abraham
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CCD Surface Photometry of Southern Galaxies in BVRI
M. F. S. Schroder, M. G. Pastoriza, & E. Mediavilla
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Star formation in galactic nuclei
R. Terlevich
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X-Rays and Infrared Selected AGN
S. D. Kirhakos & J. E. Steiner
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NGC 3309: an S-shaped radio galaxy in a nearby cluster
C. Kotanyi
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On the low state of activity of NGC 3783
C. Winge, M. G. Pastoriza, & T. Storchi-Bergmann
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New routes in the analysis of composite stellar populations
D. Alloin & E. Bica
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Spatial population synthesis and emission line analysis of NGC 5253
M. G. Pastoriza, E. Ludke, & E. Bica
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The first direct detection of red supergiants in a giant H II region
E. Terlevich, A. I. Díaz, M. Pastoriza, R. Terlevich, & H. Dottori
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New Results on the Determination of the Pregalactic Helium Abundance
W. J. Maciel & C. C. M. Leite
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Near-infrared spectral evolution of blue LMC clusters: a comparison with Galactic open clusters
E. Bica, J. F. C. Santos Jr., & D. Alloin
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Optical Emission in Some Luminous IRAS Galaxies
C. Bonatto, S. Lipari, & M. G. Pastoriza
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Stellar content in dumbbell galaxies
H. Quintana, J. F. C. Santos Jr., H. Dottori, & E. Bica
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The central region of a sample of Seyfert 2 galaxies
T. Storchi-Bergmann, E. Bica, & M. G. Pastoriza
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What is the Ca II feature in the near IR telling us about active galactic nuclei?
E. Terlevich, A. I. Díaz, & R. Terlevich
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Abundance analysis of giant H II regions in nearby spirals
A. I. Díaz, E. Terlevich, B. E. J. Pagel, J. M. Vílchez, & M. G. Edmunds
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Very high velocity gas in giant extragalactic H II regions
H. O. Castañeda, J. M. Vilchez, & M. V. F. Copetti
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Initial mass function in starburst galaxies with different metallicity
V. Robledo-Rella & C. Firmani
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CO in the Magellanic Clouds
M. Rubio
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12CO(1-0) observations of barred galaxies with intense FIR emission
J. I. Harnett, N. Loiseau, & H. P. Reuter
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IR images of N159 in the LMC
M. Rubio, M. Roth, & M. Tapia
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Analytic Time Depending Galaxy Models
F. Sala
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A contribution to the study of the structure of the Galaxy
P. Cortés & F. Sala
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Orbits of Stars in a Model with Three First Integrals
P. Cortés & F. Sala
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Determination of the Galactic Rotation Curve Based on Planetary Nebulae
C. M. Diara & W. J. Maciel
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H I distribution in the region of the Lac OB1 association
C. Cappa de Nicolau & C. A. Olano
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Distribution of the Atomic Component in the Local Interstellar Medium. 1) The Warm Neutral Intercloud Medium (WNM)
W. G. L. Pöppel, P. Marronetti, & P. Benagalia
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Reduction of Meridian Observations by the Overlap Method
R. Teixeira, P. Benevides-Soares, Y. Requieme, & M. Rapaport
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The Method of Eichhorn with Non-Standard Projections for a Single Plate
O. Cardona & M. Corona-Galindo
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Second Rio Grande catalogue (RG2)
J. L. Hormaechea & R. Perdomo
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Astrolabe 45° Zenith Distance Observations of αSCO A
L. B. F. Clauzet, P. Benevides-Soares, S. Débarbat, & F. Chollet
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An FK5 analysis from RG1 Astrolabe Catalogue
R. Perdomo, E. Nievas, & J. L. Hormaechea
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Colour and Magnitude Function for Absolute Declination in Astrolabe Data
V. A. F. Martin & L. B. F. Clauzet
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uvby-β Photometry of High Velocity Stars. Photometric Parallaxes and Preliminary Kinematic Results
W. J. Schuster
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Numerical taxonomy for open clusters
H. Tignanelli, R. A. Vazquez, C. Mostaccio, S. Gordillo, A. Feinstein, & A. Plastino
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Rotational Evolution and Magnetic Field of AP Stars
C. Xiaojun & O. T. Matsuura
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Subjeans Condensations due to a Thermal Instability
R. Opher & A. Válio
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Pulsation, Mass Loss and the Upper Mass Limit
J. Klapp & M. G. Corona-Galindo
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The Evolution of Population III Objects
J. C. N. de Araujo & R. Opher
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Strange Stars, Neutron Stars and Pulsar Emission
O. G. Benvenuto & J. E. Horvath
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Search for photometric pulsations from SN 1987A
F. J. Jablonski
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Strange matter, detonations and SN 1987A
O. G. Benvenuto & J. E. Horvath
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Structure and evolution of white dwarfs
S. O. Kepler
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Initial masses of WR stars in open clusters
R. A. Vázquez & A. Feinstein
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Estructura del diagrama HR para gigantes rojas de poblacion I de masas intermedias
J. J. Clariá, E. Lapasset, & D. Minniti
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The luminosity function of the stars embedded in the Chamaeleon I and in the Rho Ophiuchi molecular clouds
J. C. Gregorio-Hetem, J. R. D. Lépine, & R. P. Ortiz
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Stellar Seismology from Photometric Measurements
M. Alvarez, J. A. Belmonte, M. Chevreton, N. Dolez, T. Roca Cortés, M. Auvergne, A. Mangeney, M. J. Goupil, & E. Michel
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An analysis of the light curve of the ZZ Ceti star G117-B15A
A. Kanaan & S. O. Kepler
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Photometry of nova Muscae 1983
M. P. Diaz & J. E. Steiner
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Be stars in open clusters
A. Feinstein
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Analisis de curvas de luz de binarias de contacto
M. Gómez, E. Lapasset, J. Ahumada, & R. Fariñas
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A study of the Algol-type binary AS Velorum using Strömgren four-colour photometry
J. M. García, L. P. R. Vaz, & A. Giménez
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Photometric analysis of the semidetached binary system S Velorum
J. M. García, A. Giménez, & A. Claret
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The eclipsing cataclysmic variable NSV 12615 (V4041 Sgr)
R. Baptista, F. J. Jablonski, & J. E. Steiner
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Internal consistency test about δm1 metallicity index for SX Phe and high amplitude δ Sct Stars
E. Rodriguez, A. Rolland, P. López de Coca, R. Garrido, & E. Garcia-Lobo
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Comparison Between Standard Evolution Models for High Amplitude δ Sct Stars
A. Claret, E. Rodriguez, & J. M. Garcia
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Short period variations of LQ AND
M. Alvarez, J. P. Sareyan, & R. Michel
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On the distinction between δ Scuti and SX Phoenicis variable stars
J. R. Garcia, R. Cebral, F. DiGiorgio, D. Magaldi, P. Romano, E. R. Scoccimarro, P. Wahnon, & M. Zimmermann
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Long and short period variations of some Be stars
M. Alvarez, A.-M. Hubert-Delplace, J. Arsenijevic, D. Ballereau, & J. Chauville
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Photometric observations of short period variable stars
S. González-Bedolla
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Derivation of stellar parameters using a grid of synthetic spectra
B. Barbuy, M.-N. Perrin, & R. Cayrel
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Synthetic CA II Triplet Lines
M. Erdelyi & B. Barbuy
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Envelopes of Peculiar Late Type Stars
S. Lorenz-Manins & S. J. C. Landabeny
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Determination of radial velocity variations in the Ap star HR 1217
O. Giovannini Jr., S. O. Kepler, & A. Kanaan
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The behaviour of Ca II lines of giants and supergiants in the light of stellar winds
S. A. Gonçalves & E. J. Pacheco
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Spectroscopic analysis of 48 Lib in the ultraviolet range
G. Leguísamo & A. Garat
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Accretion disk image reconstruction in cataclysmic variables
R. Baptista & J. E. Steiner
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The accretion column of DQ Herculis binaries
J. B. G. Canalle & R. Opher
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X-ray spectrum from the accretion columns of magnetic white dwarfs
J. Felsteiner & R. Opher
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Nonspherical Radiation Driven Wind Models Applied to Be Stars
F. X. Arauxo
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Mass Ejection from Old and Young Stars and the Sun
V. Jatenco-Pereira & R. Opher
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Nova Centauri 1986 - A Spectroscopic Study
J. A. de Freitas Pacheco, R. Dell'Aglio D. da Costa, & S. J. Codina-Landaberry
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The Hα Line Initial Evolution in the SN 1987A
M. J. Sartori & R. de La Reza
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Gamma-ray Observations of SN 1987A
N. Figueiredo, T. Villela, U. B. Jayanthi, C. A. Wuensche, J. A. C. F. Neri, & R. C. Cesta
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Quasi-periodic oscillations in X-ray bursters
R. Aquilano, M. Castagnino, & L. Lara
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On the hard, pulsating X-ray transients
E. Janot-Pacheco
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The Classification of SN 1987A
L. A. L. da Silva
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A Possible Origin of the H-H Objects in Young Stellar Outflows
E. de Gouveia dal Pino & R. Opher
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Monitoring of water masers from IRAS sources
B. Sestokas Filho & E. Scalise Jr.
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A search for water masers associated with Herbig-Haro objects
J. C. Gregório-Hetem, J. R. D. L&eacutE;pine, R. P. Ortiz, & B. Sestokas Filho
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Grain Growth in Collapsing Clouds
S. C. F. Rossi, P. Benevides-Soares, & B. Barbuy
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Results of recent studies of the temporal variability of silicon monoxide masers
A. Gómez Balboa & E. Scalise Jr.
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Possible OH+ submillimeter emission in Orion-KL
A. A. de Almeida
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Radio Brightness Temperatures and Angular Dimensions of Recently Predicted Vl-Bi Small-Scale Structures
R. Opher
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Studies at high frequencies of the 30 Doradus and RCW 57 regions
N. S. P. Sabalisck & Z. Abraham
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Radio map of the region G331.5-0.1 at 22 GHz
L. H. Amaral & Z. Abraham
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The peculiar object He2-104
J. A. de Freitas Pacheco, R. Dell'Aglio Dias da Costa, & S. J. Codina-Landaberry
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Strongly metal deficient planetary nebulae
W. J. Maciel, J. A. de Freitas Pacheco, & S. J. Codina-Landaberry
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The origin of the filaments in the Crab Nebula
de Gouveia Dal Pino & R. Opher
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Actividad Solar Desde EL Espacio
M. G. Rovira
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Nonlinear Propagation of Mag Waves Through the Transition Region
V. Jatenco-Pereira, R. S. Steinolfson, S. Mahajan, & T. Tajima
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Nonthermal Radiation Processes in Interplanetary Plasmas
A. C. L. Chian
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Global Alfven Waves in Solar Physics: Coronal Heating
C. A. de Azevedo & A. S. de Assis
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Magnetic Bipoles in Emerging Flux Regions on the Sun
C. S. Barth & S. H. B. Livi
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Fine Structure in the Mm-Wavelength Spectra of the Active Region
H. S. Sawant & J. R. Cecatto
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Homologous and Homologous like Microwave Solar Radio Bursts
R. H. Trevisan, H. S. Sawant, B. Kalman, & L. Gesztelyi
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Time Delays Between Decimetric Type-Iii Bursts and Associated Hard X-Rays
H. S. Sawant, C. J. B. Lattari, A. O. Benz, & B. R. Dennis
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Solar Diameter Measurements
N. V. Leister
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Regular Motions of Resonant Asteroid
S. Ferraz-Mello
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On the Determination of Perturbations in Planetary Motions
A. Brunini
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Libration Motion of Asteroid (279) Thule
M. Tsuchida
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Photometric Observations of Asteroids 31 Euphrosyne, 118 Peito, 13 Egeria, 196 Philomena, and 471 Papagena
J. Licandro, T. Gallardo, & G. Tancredi
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Photoelectric Photometry of Asteroid 100 Hekate
R. Gil-Hutton
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Dynamical Study of the Galactic Influence on the A(orig) Distribution of the Long Period Comets
A. Brunini
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On Searching for Asteroid Families I. Hirayama Families
S. Gordillo, C. Mostaccio, R. B. Orellana, A. Plastino, H. Tignanelli, & H. Vucetich
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Produccion Gaseosa del Cometa Halley: Erupciones Y Fotodisociacion del Radical OH
A. M. Silva & I. F. Mirabel
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Halley at Opposition
O. T. Matsuura & M. R. Voelzke
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Physical and Chemical Processes Opacity Project: an Overview and Some Preliminary Results
C. Mendoza
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Kinematic Dynamo Action in the Presence of a Large Scale Velocity
J. C. Carvalho
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Non-Linear Effects of Self Generated Alfven Waves in Oblique Shocks and Cosmic Ray Acceleration Efficiency
G. A. Medina-Tanco & R. Opher
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Hard X-ray arcmin imaging with the EXITE telescope
J. Braga, C. E. Covault, R. Manandhar, & J. E. Grindlay
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Construction and Tests of an Ebert-Fastie Spectrograph with Optical Fibers
O. Cardona, L. Furenlid, & A. Cornejo
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Design of VLBI Array in South America
E. A. Carrara & Z. Abraham
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The University of SAO Paulo 2.4 Meter Millimetric Antenna
J. R. D. Lepine & J. C. Raffaelli
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High Sensitivity, High Frequency and High Time Resolution Decimetric Spectroscope
H. S. Sawant & R. R. Rosa
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The Acousto-Optic Spectrometer of the 2.4M Iag-Usp Radio Telescope
N. Beraldo, E. Scalise Jr., & J. R. D. Lepine
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A Near-Infrared Photometer for the Laboratorio Nacional de Astrofisica
J. R. D. Lepine, C. Gneiding, R. Laporte, A. O. Dias, & N. Epchtein
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A Concave Grating Cassegrain Spectrograph Project
H. Barroso Dos Reis & S. J. Codina-Landaberry
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The Soviet-Bolivian Astronomical Observatory in Tarija, Plans and Some Results of Investigations
A. A. Archarov, V. V. Novikov, K. V. Rumyantsev, D. D. Polojentsev, H. I. Potter, L. I. Yagudin, J. A. Zelaya, & R. F. Zalles
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The la Plata Astronomical Data Center
H. G. Marraco
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Homogeneity and Entropy
H. L. Tignanelli, R. A. Vazquez, C. Mostaccio, S. Gordillo, & A. Plastino
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Sistema de Gravacao Dados Digitais
J. A. C. F. Neri, U. B. Jayanthi, & A. M. R. Alves
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Image Processing Software
M. A. Bosio
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Chilean Astronomers and the Birth of Cerro Tololo
H. Moreno
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Ensenanza de la Astronomia a Traves de Metodos no tradicionales
H. L. Tignanelli
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