Vol. 24 No. 1 (1992)

D. S. L. Soares

3-7

An alternative view of flat rotation curves of spiral galaxies.

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A. C. Raga, A. Noriega-Crespo

9-13

Knots in stellar jets: crossing shocks or internal working surfaces?

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V. Mioc, E. Radu, C. Blaga

15

On the Initially Circular Motion of an Orbiter in the Oblate, Rotating, Martian Atmosphere

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T. C. Couto da Silva

21-25

The effect of the galaxy density on the flattening distribution of galaxies.

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N. Calvet, G. C. Magris, A. Patino, P. D'Alessio

27

Irradiation of Accretion Disks around Young Objects. II. Continuum Energy Distribution

PDF

R. Gil-Hutton

43

Photoelectric Photometry of Asteroid 394 Arduina

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J. Stock

45-79

Radial velocities from objective prism plates.

PDF

N. Calvet, J. Canto, L. Binette, A. C. Raga

81

Effects of dust scattering on interstellar jet line profiles

PDF

P. M. Garnavich, A. Noriega-Crespo, P. J. Green

99-107

Wide field imaging of the star forming region Lynds 1551.

PDF

F. Della Prugna, N. Calvet, G. Sánchez

109-110

The optical companion to UX Tau A.

PDF

M. G. Corona-Galindo

113

Dynamical Calcui-Ations in the Hydrodynamical Approach of a Plasma-Photon Gas Model of the Universe in the Recombination ERA

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J. Bohigas

121-128

On the nature of GGD 25.

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J. C. Muzzio, A. R. Plastino

129

Does Dynamical Friction Produce Dynamical Heating?

PDF

L. F. Rodríguez, L. W. Hartmann

135

On the nature of the centimeter continuum emission from the FU Orionis stars V1057 Cyg and Elias 1-12.

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E. Chavira

139-142

Identification charts of PHL objects. IV. Plate centered at 22^h30^m and -11.5°.

PDF

Y. Gómez, L. F. Rodríguez, J. M. Moran, C. Abad, M. A. Moreno-Corral

143

Upper limits for the mass loss rates from central stars of planetary nebulae.

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J. Maza, M. T. Ruiz, L. E. González, M. Wischnjewsky

147

Calan-Tololo Survey II: Seyfert 1 galaxies.

PDF

M. A. Moreno-Corral, M. G. Lopez-Molina, R. Vazquez

151

M 27, a new triple-shell planetary nebula.

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M. Peimbert, S. Torres-Peimbert, M. T. Ruiz

155-177

The chemical composition of the galactic H II region M17.

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M. Tapia

179

Ten Years of Weather and Observing Statistics in San Pedro Martir, Baja California, Mexico

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G. H. Herbig

187

A high-latitude Be star.

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Research articles