The effect of scattering by dust internal to H II regions on their spectral characteristics has been studied on the basis of simple analytical models, for...
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PublicaciónInternal reddening of H II-regions and HH-objects, with special reference to NGC 896 (W3)
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PublicaciónInterstellar C IV and SI IV in the local instellar medium(?)
Study of a sample of late-B fast rotators revealed narrow absorptions of C IV and Si IV in the direction of 6 stars within 200 pc of the Sun. The features are...
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PublicaciónLine blocking and reddening of Beta Orionis - A new determination of the empirical effective temperature
Abstract image available at: http://adsabs.harvard.edu/abs/1977A&A....60..109S
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PublicaciónMetallicity effects on the T(eff) scale for main sequence stars
Relations are presently established among T(eff), colors, and metallicity for a sample of Population I and II F and G main-sequence stars whose physical...
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PublicaciónMultiwavelength analysis of starburst galaxies
A grid of evolutionary synthesis models for different scenarios (initial mass function slope, metallicity, age, etc.) and computing a set of observables in a...
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PublicaciónNear infrared stellar counts and a model of galactic distribution
A model of the galactic stellar distribution has been developed and the surface stellar densities in the near infrared are compared with observations along the...
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PublicaciónNear-infrared mapping of spiral galaxies. I - The SB galaxy NGC 2841 - Annular structure in the young disc component
NGC 2841 has been mapped in the J and K near-infrared bands out to some 10 kpc from its center. Maps and radial profiles in micron(J), micron(K) and J-K are...
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PublicaciónNear-infrared mapping of spiral galaxies. II - J, H, K profiles of M 31
Four radial profiles of M 31 in the near infrared taken with the 1.5 m infrared telescope of the Observatorio del Teide, Tenerife are presented. Three of these...
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PublicaciónNew synthetic models of horizontal branch
Synthetic horizontal branch (HB) stars in globular clusters, when computed on the basis of HB evolutionary tracks and pulsation theory constraints, furnish the...