Revista Mexicana de Astronomía y Astrofísica
Volumen 18
Octubre 1989

Magnetic fields and star formation in molecular clouds
Susana Lizano
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Physical conditions in molecular clouds
Neal J. Evans II
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Fast winds in low luminosity, pre-main-sequence stars
A. Natta
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Circumstellar environment of T Tauri stars
Nuria Calvet
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Radio observations of Herbig-Haro objects
Luis F. Rodriguez
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Observations of molecular and atomic gas in photodissociation regions
D. T. Jaffe & J. E. Howe
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The evolution of HII regions in disk-like clouds. The appearance of neutral high velocity outflows
J. Franco, G. Tenorio-Tagle, & P. Bodenheimer
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Enhancements in planetary nebulae: signature of regional collimated outflow from a rotating progenitor?
P. Pismis
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Oxygen and neon abundances in planetary nebulae
Richard B. C. Henry
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Shell nebulae around luminous evolved stars
Reginald J. Dufour
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The link between internal velocities in Galactic H II regions and the extragalactic H II regions
C. R. O'dell
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Supernova remnants and bubbles in the Large Magellanic Cloud
Margarita Rosado
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Statistical properties of H II regions
Horacio A. Dottori & Marcus V. F. Copetti
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H II regions and QSO absorption lines
Sueli M. Viegas-Aldrovandi & Ruth B. Gruenwald
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Properties of star clusters in the Large Magellanic Clouds
Cesare Chiosi
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Chemical evolution of disk galaxies - Self-consistent structure of the disk
Francesca Matteucci, Jose Franco, Patrick Francois, & Marie-Agnes Treyer
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Helium in three H II galaxies and the primordial helium abundance
B. E. J. Pagel & E. A. Simonson
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An analytical model for the evolution of primary elements in the Galaxy
B. E. J. Pagel
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Starburst and active galactic nuclei
Gregory A. Shields
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Expansion of a Magnetic Arcade during a Solar Flare
J. J. Martinell
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Near-infrared and optical images of the star forming region GM-24
M. Tapia, M. Roth, & L. F. Rodriguez
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On the pre-main sequence stars of the star forming region NGC 7000/IC 5070
C. Chavarría-K., L. Terranegra, J. M. Alcalá, & L. Neri
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uvby-β and near infrared photometry of NGC 7380
C. Chavarría-K., E. de Lara, H. Hernández, M. A. Moreno, & L. Terranegra
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An observational study of the star forming complex SH 2-155/Cepheus OB III
M. A. Moreno, C. Chavarria-K., E. de Lara, & S. Wagner
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An observational study of selected peculiar stars in NGC 2264. I: Stromgren UVBY-ß and near infrared photometry
L. Neri, C. Chavarría-K., & E. de Lara
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Winds of T Tauri Stars
N. Calvet, L. Hartmann, E. H. Avrett, & R. Loeser
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The Distance to the Serpens Cloud again
E. de Lara & C. K. Chavarria
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Anomalous OH Emission in Galactic Star Forming Regions: a Clue to the Megamaser Phenomenon?
A. Ruiz, L. F. Rodriguez, & I. F. Mirabel
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[OI] in the Envelopes of T Tauri Stars
P. D'Alessio & N. Calvet
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A kinematic and compositional analysis of the wind-blown shell NGC 6888
P. M. Mitra
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IRAS 22568+6141: a new bipolar nebula
A. Manchado, A. Riera, A. Mampaso, P. García Lario, & S. R. Pottasch
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A Possible Jet/counterjet Asymmetry in Stellar Outflows
A. C. Raga & J. Canto
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Near-Infrared Images in the Herbig-Haro 1-2 and 3 Regions
M. Roth, M. Tapia, M. Rubio, & L. F. Rodriguez
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Physical Conditions and Kinematics of the Envelope of V645 CYG
A. Riera, J. P. Phillips, & A. Mampaso
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New Results from Northern Ring Nebulae
C. Esteban, J. M. Vilchez, & A. Manchado
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α(16)Λ(9)Ψ(25) Photometry of Wolf-Rayet Stars
E. E. Mendoza V.
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The Orion Nebula in Mesoamerica
L. Maupome
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Nitrogen Abundance and Recombination Lines in Nova Shells
A. Dalgarno & V. Escalante
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Three New Planetary Nebulae from the IRAS Point Source Catalogue
A. Manchado & P. Garcia Lario
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A New Halo Planetary Nebula
M. Pena, M. T. Ruiz, J. Maza, & L. E. Gonzalez
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Age Structure of Refractory Interstellar Dust and Isotopic Consequences
D. D. Clayton, P. A. Scowen, & K. Liffman
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The Distances to High Velocity Clouds: a Model for Their Confinement
J. Espresate, J. Franco, & J. Canto
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IUE Observations of Wolf-Rayet Binaries in the Galaxy, the LMC and the SMC
G. Koenigsberger, L. H. Auer; & A. F. J. Moffat
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New List of Blue Galazies
E. Chavira
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Extended emission and star formation in I Zw 18
R. J. Dufour & J. J. Hester
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Gas and Stars in Two Bcd: II ZW 33 and MKN 314
J. M. Vilchez, J. Cepa, & C. Esteban
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Nonlinear Evolution of Galaxies with Increasing Densities
E. C. Vazquez & J. M. Scalo
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Nonlinear evolution of galaxies with increasing densities
E. C. Vázquez & J. M. Scalo
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Massive Stars as Possible Ionizing Mechanism in Seyfert Galaxies
L. Binette & A. Prieto.
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Star Formation in Galaxies Controlled by Ionization of Hydrogen and Supernovae Explosions
C. Firmani & A. Tutukov.
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Initial Mass Function in Starburst Galaxies with Different Metallicity
V. Robledo & C. Firmani.
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Sulphur Abundances in Extragalactic H II Regions
Garnett, D. R.
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H II Regions in so Galaxies; Clues to the Origin of the ISM in Sos
R.W. Pogge & P.B. Eskridge.
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Physical Conditions of H II Regions in M101 and the Pregalactic Helium Abundance
S. Torres-Peimbert, M. Peimbert & J. Fierro.
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Active Galactic Nuclei and the Starburst Phenomenon
D. Dultzin-Hacyan, M.J. Masegosa & M. Moles.
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Physical Conditions of H II Regions in M33
J. Fierro, S. Torres-Peimbert & M. Peimbert.
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Physical Conditions of H II Regions in M51, NGC 3344, and NGC 4321
M. Peimbert, S. Torres-Peimbert & J. Fierro.
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CCD BVRI Photometry of Sersic-Pastoriza Nuclei
M.G. Pastoriza, H.A. Dottori, R. Terlevich & E. Terlevich.
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