Vol. 48 No. 2 (2012)

Sabin L., Vázquez R., López J. A., García-Díaz Ma. T., Ramos-Larios G. (Author)

165-176

The filamentary multi-polar planetary nebula NGC 5189

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Orlov V. G., Voitsekhovich V. V., Guerrero C. A. (Author)

177-181

Speckle Interferometry at the Observatorio Astronómico Nacional. IV

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Hidalgo-Gámez A. M., Moranchel-Basurto A., González-Fajardo A. F. (Author)

183-197

Chemical abundances of late-type spiral galaxies from the SDSS

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Raga A. C., Cantó J., Rodríguez L. F. (Author)

199-207

New analytic and quasi-analytic solutions for wind-driven compact HII regions

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Zaninetti L. (Author)

209-222

New Analytic Results for Poissonian and non-Poissonian Statistics of Cosmic Voids

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Acker A., Boffin H. M. J., Outters N., Miszalski B., Sabin L., Le Dû P., Alves F. (Author)

223-233

Discovery of New Faint Northern Galactic Planetary Nebulae

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Rodríguez-Ramírez J. C., Raga A. C. (Author)

235-242

The expansion of a stellar wind bubble within a non-singular, stratified core

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Rodríguez L. F., Dzib S. A., Loinard L., Zapata L. A., Raga A. C., Cantó J., Riera A. (Author)

243-249

Radio and Optical Observations of DG Tau B

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Holanda R. F. L., Pereira S. H. (Author)

251-256

On the dynamics of the universe in D spatial dimensions

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Scarfe C. D., Griffin R. F. (Author)

257-265

The Spectroscopic orbits of HD 23052 and HD 90512

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Bohigas J. (Author)

267-274

Open slit echelle spectroscopy of planetary nebula M 1-9

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Torres-Papaqui J. P., Coziol R., Andernach H., Ortega-Minakata R. A., Neri-Larios D. M., Plauchu-Frayn I. (Author)

275-291

Evidence of Supermassive Black Holes in Narrow Emission Line Galaxies

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Deng X. F., Yang B., Luo C. H., Qian X. X., Ding Y. P. (Author)

293-298

The environmental dependence of the fraction of `unconventional' galaxies: luminous late-types and faint early-types

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Peña J. H., Figuera Jaimes R., Chow M., Peña Miller R., Álvarez M. (Author)

299-303

Strömgren uvby-beta photoelectric photometry of the variable stars RU Psc, SS Psc and TU UMa

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Research articles