Vol. 45 No. 2 (2009)

Maciel W. J., Costa R. D. D., Idiart T. E. P.

127-137

Planetary nebulae and the chemical evolution of the Magellanic Clouds

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Berman M. S.

139-142

Simple Model with Time-Varying Fine-Structure ``Constant''

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Steffen W., Espíndola M., Martínez S., Koning N.

143-154

The 3D velocity structure of the planetary nebula NGC 7009

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Orlov V. G., Voitsekhovich V. V., Mendoza-Valencia G. A., Svyryd A., Rivera J. L., Ortiz F., Guerrero C. A.

155-159

Speckle Interferometry at the Observatorio Astronómico Nacional. I

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Otárola A., Hiriart D., Pérez-León J. E.

161-169

Statistical Characterization of Precipitable Water Vapor at San Pedro Martir Sierra in Baja California

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Saffe C., Levato H.

171-178

Elemental abundance studies of CP stars. The Silicon stars HD 87405 and HD 146555

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Gómez J., Peimbert A., Echevarría J.

179-189

Optical Quantum Entanglement in Astrophysics

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Peña J. H., Arellano Ferro A., Peña Miller R., Sareyan J. P., Álvarez M.

191-203

Physical parameters of seven field RR Lyrae Stars in bootes

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Zasche P., Uhlar R.

205-214

A Detailed Light Curve Analysis Of TY Delphini

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Branham R. L., Jr.

215-229

Kinematics and Velocity Ellipsoid of the K Giants

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Cruz F., Aceves H.

231-238

A pre-merger in the Luminous Infrared System IRAS 02290+2533

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Richer M. G., Báez S. -H., López J. A., Riesgo H., García-Díaz M. T.

239-259

What Can We Learn About the Kinematics of Bright Extragalactic Planetary Nebulae?

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Flores-Fajardo N., Morisset C., Binette L.

261-272

Analysis of the diffuse ionized gas database: DIGEDA

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Rodríguez L. F., González R. F., Montes G.

273-277

The Radio Counterparts to the Binary O4+O4 System CEN 1 in NGC 6618, the Cluster Ionizing M17

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Research articles