RMxAA

Revista Mexicana de Astronomía y Astrofísica

ISSN: 3061-8649

Vol. 12 No. 1 (1986)

Published January 1, 1986
Portada RMxAA

Research articles

E., Jr. Scalise, Z. Abraham, J. L. Monteiro Do Vale
371
Radio Observations of Comet P/crommelin
PDF
P. Kaufmann, E. Correia, J. E. R. Costa, A. M. Zodi Vaz
374
A Synchrotron/inverse Compton Interpretation of a Solar Burst Producing Fast Pulses at 3 MM and Hard X-Rays
PDF
B. H. Foing, M. Festou, S. Char
375
Spectroscopic Observations of Comet Austin 1984I
PDF
L. Ferrin
376
Las Condiciones Observacionales del Cometa Halley EN 1985-86 Y SU Brillo Antes Y Despues del Perihelio
PDF
C. Firmani, E. Ruiz, J. Bohigas, G. F. Bisiacchi
379
The Mepsicron: a New Bidimensional Photon Counting System
PDF
L. N. da Costa, R. R. de Carvalho, P. S. Pellegrini, R. Chan, P. Scheid, C. Rite, M. A. Nunes, D. Nascimento
385
The Observatorio Nacional Image Processing System
PDF
R. Chan, P. Sl Pellegrini, L. N. da Costa
393
Automatic Identification of Faint Images on the ESO/SRC Sky Atlas
PDF
R. Vieira-Martins, R. R. de Carvalho, C. H. Veiga
399
Image Processing Techniques for Position Measurements of Uranus' Satellites
PDF
S. J. Codina Landaberry, J. A. Freitas Pacheco, J. L. Kohl, B. Bazzanella, R. T. Ribeiro
405
The Spectrophotometer of the National Observatory
PDF
S. J. C. Landaberry, J. A. de Freitas Pacheco, J. L. Kohl, B. Bazzanella, R. T. Ribeiro
405
The spectrophotometer of the National Observatory.
W. F., Jr. Velloso, A. M. Magalhaes, C. Gneiding
406
A New Data Acquisition System for the Iag Polarimeter
PDF
M. T. Meliani, A. M. Magalhaes
407
Polarimetry of Wolf-Rayet Binaries
PDF
A. M. Magalhães, W. F., Jr. Velloso, E. Krugel, R. Chini
408
Polarimetry of reddened stars in M16 and NGC 6334/6357.
PDF
E., Jr. Scalise, J. L. Monteiro Do Vale, Y. Bakor, R. E. Schaal
409
Acousto-Optical Spectrometers at Itapetinga Radio Observatory
PDF
Z. Abraham, L. C. L. Botti, L. F. del Ciampo
414
Calibration Methods in Millimeter-Wave Radioastronomy
PDF
R. P. Teixeira, P. Benevides-Soares
421
Absolute Azimuth at Low Latitutde with a Polarissima
PDF
P. Benevides-Soares, R. P. Teixeira
424
Pivot Errors
PDF
R. Vieira-Martins, C. H. Veiga, D. Lazzaro
427
Astrometric Observations of Miranda
PDF
D. Lazzaro, R. Vieira-Martins
430
Period Analysis of Laplacean Resonance amongst Uranian Inner Satellites
PDF
R. da Silva Gomes
435
Validation of Sagnier's Theory by its Application to the Major Planets
PDF
S. J. F. Takagi, J. F. da Silva
438
Astrolabe Observation at Natal, Brazil
PDF
L. E. Machado
441
The Astrographs of the Valongo Observatory (ufrj) and the Astrometry Program at Campinas, SXO Paulo Brazil
PDF
G. B. Afonso
444
A Comparison of the Poynting-Robertson Drag with the Charge Drag in the Earth's Plasma
PDF
L. B. F. Clauzet, N. V. Leister, W. Monteiro
445
Astrolabe 45' Zenith Distance Observations: Preliminar Results in Time and Latitude
PDF
L. B. F. Clauzet, R. M. Atalla
446
Optical Observations of Radio Stars with the Astrolabe at Valinhos
PDF
P. Benevides-Soares, L. B. F. Clauzet
447
Global Reduction of Fundamental Astrometric Data: Computation of Star Catalogue
PDF
S. Ferraz-Mello
13
Astronomy in Brazil
PDF
G. Steigman
21
Cosmology and Particle Physics
PDF
O. Bertolami Neto, G. C. Marques, I. Ventura
31
Formation of Structures in the Very Early Universe
PDF
O. B. Neto, G. C. Marques, I. Ventura
31-37
Formation of structures in the very early Universe.
J. C. N. de Araujo, R. Opher
38
Growth of Isothermal Perturbations during and after the Recombination ERA
PDF
F. M. Gomide, M. S. Berman, R. L. Garcia
46
A Cosmological Model with Cylindrical Symmetry
PDF
L. E. Campusano
49
Spectroscopically Confirmed QSOs in a 1.5 Deg. Area Near the South Galactic Pole
PDF
J. R. D. Lepine, M. A. Braz, N. Epchtein
53
An Optically-Thin Strong Magnetic Field Model for the Energy Distribution and Time-Variability of Blazars
PDF
L. Sodre, H. V. Capelato, J. C. Penereiro, J. E. Steiner
59
Luminosity Segregation and Local Density of Galaxies in Clusters
PDF
L. N. da Costa, P. S. Pellegrini, C. Willmer, M. A. Nunes
63
The Observatorio Nacional-Center for Astrophysics Redshift Survey. a Status Report
PDF
H. G. Luna
73
Photopolarimetric observations of the BL Lac object PKS 2155-304.
PDF
J. A. de Freitas Pacheco
74
The relative motion of the Local Group of galaxies towards the Virgo cluster.
PDF
M. H. Cohen
75
Relativistic Motion in Quasars
PDF
P. Pismis
79-88
Kinematics of spiral galaxies. An overview.
PDF
V. G. Ortega, J. A. de Freitas Pacheco
97-100
Hydrodynamical models of elliptical galaxies.
PDF
E. Moreno, P. Pismis
109
Evolution of Velocity Dispersions in Some Collapsing Spheroidal Distributions of Mass
PDF
G. Torres, G. J. Carranza
114
Estudio Interferometrico de la Nube Menor de Magallanes
PDF
H. Dottori, M. Pastoriza, S. J. C. Landaberry, J. A. de Freitas Pacheco
119-123
Spectrophotometry of the nucleus of NGC 7552.
PDF
S. M. V. Aldrovandi
124
Narrow Emission Line Region of Active Galactic Nuclei
PDF
M. B. Mosconi, D. Garcia Lambas, J. L. Sersic
131
On the Tidal Origin of Angular Momentum in Galaxies
PDF
J. L. Sersic, D. Garcia Lambas, M. B. Mosconi
132
A Global Model for Violent Relaxation
PDF
T. Storchi Bergmann, M. F. S. Schröder, M. G. Pastoriza
133
BV surface photometry of the southern galaxies NGC 6769, 6770 and 6771.
PDF
S. M. Freitas
134
Velocity ellipses in the galactic plane: regional variations and spectral distributions.
L. Carrasco, E. Recillas-Cruz, I. Cruz-González, J. Melnick
135-136
M82 (NGC 3034): the nuclear region.
PDF
M. V. F. Copetti, H. A. Dottori, M. G. Pastoriza
137-138
Photometric measurements of WHβ and [O III]/Hβ of H II regions in M83.
PDF
S. M. V. Aldrovandi, M. L. R. B. Cesar, R. B. Gruenwald
139
On the Effect of Relativistic Electrons in the Narrow Line Regions of Active Galactic Nuclei
PDF
E. M. de Gouveia Dal Pino, R. Opher
143-152
Magnetohydrodynamic effects in radio jets.
PDF
R. O. Lagua, S. M. V. Aldrovandi, P. Benevides-Soares
153-156
An analysis of the infrared and optical continua of Seyfert 2 galaxies.
PDF
I. C. Busko, J. E. Steiner
157-158
High resolution spectroscopy of southern Seyfert galaxies.
PDF
G. A. Bruzual, C. Magris
159
Effects of Interstellar Dust on the Photometric Properties of Faint Disk Galaxies
PDF
C. Magris, G. A. Bruzual
160
The Effects of Interstellar Dust on the Spectrum of Disk Galaxies
PDF
P. Didelon
163-172
An observational study of Si-λ4200 stars.
PDF
D. F. Carbon, R. P. Kraft, B. Barbuy, E. Friel, N. B. Suntzeff
173-176
Nitrogen-to-carbon ratio in 70 dwarf halo stars.
PDF
L. P. R. Vaz
177-183
Corrections and improvements in the effectiveness and extension of the applicability range of the WINK model of eclipsing binaries.
L. P. Ribeiro Vaz
177-183
Corrections and improvements in the effectiveness and extension of the applicability range of the model WINK of eclipsing binaries.
PDF
J. A. de Freitas Pacheco, S. J. C. Landaberry
184
The spectrum of HD 72754.
PDF
J. A. de Freitas Pacheco, S. J. C. Landaberry, D. F. Lopes
185-187
Spectroscopic observations of Be stars.
PDF
G. R. Solivella, V. S. Niemela
188
A radial velocity study of two early O stars.
PDF
A. Arellano Ferro, B. F. Madore
189
Yellow supergiants with hot companions.
PDF
L. P. R. Vaz, Å. Nordlund
190
The reflection effect in model stellar atmospheres. I. Grey atmospheres with convection.
L. P. Ribeiro Vaz, A. Nordlund
190
The Reflection Effect in Model Stellar Atmospheres 1: Grey Atmospheres with Convection
PDF
S. J. Codina Landaberry, J. A. de Freitas Pacheco, L. Viadana, B. Bazzanella
191-192
Photoelectric scanner observations of central stars of planetary nebulae.
PDF
S. J. C. Landaberry, J. A. de Freitas Pacheco, L. Viadana, B. Bazzanella
191-192
Photoelectric scanner observations of central stars of planetary nebulae.
E. E. Mendoza v.
193-196
Hα, O I-photometry of the Hyades and Coma Berenices clusters.
PDF
V. E. E. Mendoza
197
Narrow Band Photometry of the Bright Stars
PDF
C. Chavarría-K., E. de Lara
198
On the nature of the young Orion population star LkHα198.
PDF
M. L. Quarta
199-207
The age of galactic globular clusters.
PDF
J. Bohigas, L. Carrasco, C. A. O. Torres, G. R. Quast
208
Rotational Braking of Late Type Main Sequence Stars
PDF
G. R. Quast, C. A. Torres
209-212
Rotation in lower main-sequence stars.
PDF
B. H. Foing, M. Rodono, G. Cutispoto, S. Catalano, J. L. Linsky, D. M. Gibson, A. Brown, B. M. Haisch, C. J. Butler, P. B. Byrne, A. D. Andrews, J. G. Doyle, D. E. Gary, G. W. Henry, G. Russo, A. Vittone, F. Scaltriti
213
Coordinated IUE and ground-based observations of stellar flares: YZ CMi, Proxima Cen and AD Leo.
PDF
B. H. Foing, J. Beckman, L. Crivellari, D. Galleguillos
214
High Resolution Observations of Chromospheric Lines in Late-Type Dwarfs
PDF
N. Epchtein, T. Le Bertre, O. T. Matsuura, J. R. D. Lepine, E. Picazzio, P. Marques Do Santos, P. Boscolo
215
Progress of the Survey at 2.2 JIM on Southern Infrared Near the Galactic Plane
PDF
C. Tateyama, Z. Abraham
216
22 GHz map of the Carina region.
PDF
N. Calvet
217
The Emergence of Stellar Activity: T Tauri Stars
PDF
J. Franco
224
Magnetic Fields and the Orientation of Spin Angular Momentum in Protostellar Clouds
PDF
F. J. Fuenmayor, P. H. Bulka
225
Morphology of Low-Resolution Spectra of Late-Type Stars in the Near Infrared
PDF
Z. Abraham, J. W. S. V. Boas
228
Linear polarization of the water maser in Orion.
PDF
I. F. Mirabel, L. F. Rodríguez, J. Cantó, E. M. Arnal
229
High velocity OH near young stellar objects: L1551.
PDF
L. da Silva
230
On the gravity of the subgiant 31 Aquilae.
PDF
W. J. Maciel, M. Faúndez-Abans, M. de Oliveira
233-239
Extinction distances to the planetary nebulae NGC 6565 and NGC 5979.
PDF
M. Faúndez-Abans, W. J. Maciel
240-248
Galactic abundance gradients from planetary nebulae.
PDF
W. J. Maciel, M. Faúndez-Abans
249-256
Planetary nebulae and the galactic temperature gradient.
PDF
S. W. J. de Oliveira, W. J. Maciel
257
Grain Heating in H II Regions
PDF
A. Clocchiatti, H. G. Marraco
264
The Distribution of Interstellar Dust
PDF
M. T. Ruiz
269-272
On the nature of the unusual nebula PL1547.3-5612.
PDF
M. de Oliveira, W. J. Maciel
273-282
Photoelectric photometry of CED 128 - a reflection nebula.
PDF
M. V. F. Copetti, H. A. Dottori, M. G. Pastoriza, J. Melnick
283
Age Determination of Galactic H II Regions
PDF
L. F. Rodriguez, M. Roth, J. Canto, M. Tapia, P. Persi, M. Ferrari-Toniolo
285-286
Radio and infrared observations of the faint nebula GM 24.
PDF
J. Franco
287-291
Interaction between high-velocity clouds and the Galaxy: the case of the Orion molecular cloud complex.
PDF
M. Peña, S. Torres-Peimbert
292
On the planetary nebula NGC 3918.
PDF
G. Tenorio-Tagle, M. Rozyczka
293
The Hydrodynamics of Clouds Overtaken by Supernova Remnants
PDF
C. Tateyama, Z. Abraham
294
Maps of Cen A at 22 GHz and 44 GHz.
PDF
D. P. Cox, J. Franco
295
A Possible Existence Criterion for Molecular Clouds
PDF
M. E. Mendes, J. R. D. Lépine
296
Effect of the dust on relative [O II] and [S II] intensities in H II regions.
M. Erdelyi Mendes, J. R. D. Lepine
296
Effect of the Dust on Relative [OII] and [SII] Intensities in H II Regions
PDF
G. A. P. Franco, R. D. Tarsia, R. J. Quiroga
297
Turbulent motions in molecular clouds.
G. A. Pellegatti Franco, R. D. Tarsia, R. J. Quiroga
297
Turbulent Motions in Molecular Clouds
PDF
M. Arnal, G. Dubner
298
Lupus Loop: a possible case of star formation induced by a supernova event?
PDF
E. M. Arnal, J. C. Cersosimo
299
Ara OB1: an H I study of a very young southern complex.
PDF
S. M. V. Aldrovandi, R. B. Gruenwald
300
Determination of Temperature in Gaseous Nebulae
PDF
C. Tateyama, Z. Abraham
301
Study of Non-Thermal Emission from the Galactic Center
PDF
G. Dubner, F. Colomb, E. Giacani
302
Distribution and kinematics of neutral hydrogen around the SNR G 296.5+10.0
PDF
M. Rubio, R. Cohen, J. Montani
303-307
The 2.6 mm CO survey of the Magellanic Clouds.
PDF
J. Fierro, S. Torres-Peimbert, M. Peimbert
308
Abundance determination from H II regions in NGC 2403.
PDF
L. C. Jafelice, R. Opher
311
Electrodynamic Forces in Stellar Formation
PDF
C. M. Filho
319-326
On the stability of accretion disks.
C. Meirelles Filho
319
On the Stability of Accretion Disks
PDF
S. C. F. Rossi, W. J. Maciel, P. Benevides-Soares
327
Interpolation Functions for Molecular Partition Functions
PDF
A. C. L. Chian
330
Nonlinear Temporal Modulation of Pulsar Radioemission
PDF
J. B. G. Canalle, R. Opher
331
Polarized Radiation from AM Herculis Binaries
PDF
M. H. S. Ibanez
339
Sound and Thermal Waves in a Fluid with an Arbitrary Heatloss Function
PDF
M. H. S. Ibanez
340
On the Propagation of Small Disturbances in a Radiating Fluid in which a General Reaction Proceeds. I. Eddington Approximation
PDF
M. H. Ibanez S., E. Sira
341
Thermochemical Instabilities in Reacting Gases. II. Plasma of Hydrogen in Presence of a Magnetic Field
PDF
D. E. Winget, S. O. Kepler, E. L. Robinson, R. E. Nather, D. O'Donoghue
342
A measurement of secular evolution in the pre-white-dwarf star PG 1159-035.
PDF
S. O. Kepler
343
Light and line profile variations due to r-mode pulsations. With an application to the ZZ Ceti star G117-B15A.
PDF
P. Kaufmann
347
Microwaves and Hard X-Rays Ultrafast Time Structures at the Impulsive Phase of Solar Bursts
PDF
R. Opher, V. J. S. Pereft
355
Heating and Mass Transfer in Solar and Stellar Atmospheres by Turbulent Alfven Waves
PDF
O. T. Matsuura, P. Boscolo
365
MHD Model for Long Distance Coronal Loops
PDF
P. Kaufmann, E. Correia, J. E. R. Costa, A. M. Zodi Vaz, B. R. Dennis
370
Solar Burst with Millimetre-Wave Emission at High Frequency
PDF
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