Vol. 37 No. 2 (2001)

Sabogal-Martínez B. E., García-Varela J. A., Higuera G. M. A., Uribe A., Brieva E. (Author)

105-114

Membership in the Region of the Open Cluster NGC 2244

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Kimeswenger S. (Author)

115-145

Optical Coordinates of Southern Planetary Nebulae

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Riera A., López R., Raga A. C., Anglada G., Estalella R. (Author)

147-157

The Transverse Velocity Structure of the HH 111 Jet

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Azcárate I. N. (Author)

159-164

Response of a Balloon-Borne Omnidirectional Detector to the Atmospheric Secondary Charged Cosmic Radiation at a Place of 11.5 GV Geomagnetic Cut-Off

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Michel R., Bohigas J., Arroyo E., Zazueta S. (Author)

165-171

The Meteorological Stations of the 1.5 and 0.84 m Telescopes of the OAN: Description and Results

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Tovmassian H. M., Yam O., Tiersch H. (Author)

173-177

Hickson Compact Groups: The Cores of Elongated Loose Groups

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Ling J. F., Magdalena P., Prieto C. (Author)

179-186

Perturbations by Mass Loss in the Orbital Elements of γ Persei and α Centauri

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Schuster W. J., Parrao L. (Author)

187-200

The Atmospheric Extinction of San Pedro Mártir

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Avila R., Rodríguez L. F., Curiel S. (Author)

201-211

VLA Detection of the Exciting Sources of the HH 211 and HH 68 Outflows

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Hiriart D., Ochoa J. L., García B. (Author)

213-220

Wind Power Spectrum measured at the San Pedro Mártir Sierra

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Watson A. M., Henney W. J. (Author)

221-236

An Efficient Monte Carlo Algorithm for a Restricted Class of Scattering Problems in Radiation Transfer

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Bohigas J. (Author)

237-260

Infrared Imaging and Optical Imaging and Spectroscopy of (mostly) Type I Planetary Nebulae. I.

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Velázquez P. F., Rodríguez L. F. (Author)

261-267

VLA Observations of Z CMa: The Orientation and Origin of the Thermal Jet

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Research articles