Vol. 46 No. 1 (2010)

A. Ruelas-Mayorga, L. J. Sánchez, G. Herrera, A. Nigoche-Netro

3-21

CCD Photometry of M15

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M. S. Berman

23-28

Simple Model with Time-varying Fine structure ``Constant''-Part II

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L. F. Rodríguez, Y. Gómez, J. A. López, M. T. García-Díaz, D. M. Clark

29-35

H91α Radio Recombination Line and 3.5 cm Continuum Observations of the Planetary Nebula NGC 3242

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L. Salas, I. Cruz-González

37-45

IMF from infrared photometry of young stellar clusters in Taurus-Auriga and Orion

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H. M. Hernández-Toledo, L. A. Martínez-Vázquez, M. A. Moreno-Corral, A. Pani-Cielo

47-60

A Photometric and Spectroscopic Evaluation of the Site at Tonantzintla Observatory

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H. Tovmassian

61-66

On the Precursors of Fossil Groups

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P. Kajdic, B. Reipurth, A. C. Raga, J. Walawender

67-78

Herbig-Haro objects around CG 30

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M. J. Vasconcelos, A. H. Cerqueira, A. C. Raga, R. R. Amorim

79-87

Photoevaporation of a binary proplyd system

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J. Bohigas, J. M. Núñez

89-107

The green potential of the San Pedro Mártir observatory

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I. Küçük, I. Akkaya

109-114

Age Estimation And Mass Functions of TTauri Stars in The Taurus Auriga Molecular Cloud

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L. Zaninetti

115-134

A geometrical model for the catalogs of galaxies

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M. Reyes-Ruiz, H. Aceves, H. Pérez-de-Tejada

135-144

On the origin of the tailward velocity of O+ ions over the magnetic poles of Mars

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V. V. Voitsekhovich, V. G. Orlov

145-152

Amplitude fluctuations in curvature sensing: comparison of two schemes

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S. Dzib, L. Loinard, L. F. Rodríguez

153-157

A Compact Radio Counterpart to the Energetic X-ray Pulsar Associated with the TeV Gamma-Ray Source J1813-178

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O. Cavichia, R. D. D. Costa, W. J. Maciel

159-177

Planetary nebulae in the inner Milky Way: new abundances

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A. C. Raga, V. Lora, N. Smith

179-184

HH jets aligned perpendicular to elephant trunks

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J. H. Peña

185-187

Erratum

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Research articles