Revista Mexicana de Astronomía y Astrofísica

Volumen 43 Número 1

Abril 2007

Table of Contents
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The chemical composition of the Galactic H II regions M8 and M17. A revision based on deep VLT echelle spectrophotometry
J. García-Rojas, C. Esteban, A. Peimbert, M. Rodríguez, M. Peimbert, & M. T. Ruiz
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On the Magnetic Field Evolution in Shell-like Supernova Remnants
B. Vukotić, B. Arbutina, & D. Urošević
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Photometric and spectroscopic study of Shakhbazian compact galaxy groups ShCG 104, ShCG 120, ShCG 223, and ShCG 245
H. M.Tovmassian, H. Tiersch, G. H. Tovmassian, V. H. Chavushyan, S. Neizvestny, A. G. Pramskij, J. P. Torres-Papaqui, & M. Rozas
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Physical mechanisms that shape the morphologies of extragalactic jets
L. Zaninetti
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Tidal heating: A restricted three body problem investigation of the Spitzer and Weinberg approximations
F. Cruz & L. Aguilar
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Morphology and Kinematics of Gravitational Cold Collapse around a Central Supermassive Black Hole
F. Cruz, H. Velázquez, & H. Aceves
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The properties of optical FeII emission lines of AGN with double-peaked broad emission lines
X.-G. Zhang, D. Dultzin-Hacyan, & T.-G. Wang
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Remarks on Rapid vs. Slow Star Formation
J. Ballesteros-Paredes & L. Hartmann
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First Speckle Interferometry Measurements of Binary Stars at the OAN-Tonantzintla
V. G. Orlov, V. V. Voitsekhovich, L. J. Sánchez, & F. Garfias
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Binary Star Speckle Measurements with the 1.52-m telescope at Calar Alto
J. A. Docobo, M. Andrade, V. S. Tamazian, M. T. Costado, & J. F. Lahulla
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Radio Continuum Sources Associated with AB Aur
L. F. Rodríguez, L. Zapata, & P. T. P. Ho
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Mass determination for T Tauri stars from JHK Photometry
T. López-Chico & L. Salas
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Proper Motions of the Ansae in the Planetary Nebula NGC 7009
L. F. Rodríguez & Y. Gómez
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The Kinematics of Arp 295 in H$\alpha$ Emission: an Interacting Galaxy with Highly Asymmetric Rotation
N. D. Roche
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A simple accretion model of a rotating gas sphere onto a Schwarzschild black hole
E. A. Huerta & S. Mendoza
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Long Gamma-Ray Burst prompt emission properties as a cosmological tool
C. Firmani, V. Avila-Reese, G. Ghisellini, & G. Ghirlanda
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HD 115520, a new $\delta$ Scuti star
J. H. Peña, J. P. Sareyan, B. Cervantes-Sodi, R. Peña, M. Alvarez, M. Cano, & M. A. Sorcia
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Water Vapor Corrections to Mid-Infrared Photometry
D. Hiriart & L. Salas
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Obituary - Graciela González
A. Carramiñana
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