Publicación
2.2 micron stellar counts at the galactic plane.
The author presents 2.2 micron maps of selected areas of the galactic plane, taken with the 1.5 m. Sánchez-Magro telescope on the island of Tenerife. A model of...
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PublicaciónA cold massive interstellar cloud within 120 parsecs of the Sun: K I optical and H I radio observations
We first discovered the presence of a particularly massive cloud in the neighborhood of the Sun, close to the Galactic plane in the direction of Perseus, toward...
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PublicaciónCCD photometry of stars in the old open cluster NGC 188
CCD photometry for stars in three fields centered on the old open cluster NGC 188 is presented, with the aim of investigating the HR diagram distribution of...
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PublicaciónCCD UBVR photometry of the old rich open cluster King 2 - Comparison with theoretical models
In this paper we present the Johnson-Cousins UBVR CCD photometry of the stars in King 2, an old open cluster towards the galactic anticenter. We have obtained...
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PublicaciónCondensation of dust around the Wolf-Rayet star WR 125
Infrared photometry of the WC7-type Wolf-Rayet star WR 125 (MR 93) in 1981-91 shows a 10-fold rise in the 3-4 micron flux during 1990-91. This, together with...
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PublicaciónCorrelation of broad and narrow diffuse band features Evidence for molecular carriers
Spectra of early-type stars in several heavily reddened OB associations are used to study broad diffuse bands in the range from 5700 to 6300 angstroms. The...
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PublicaciónDeep CCD photometry of stars in the globular cluster M3
CCD photometry of faint stars in the globular cluster M3 is presented. The observations reach down to V equal to about 23 mag, with a sample of approximately...
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PublicaciónDetermination of temperatures and angular diameters of 114 F-M stars using the infrared flux method (IRFM)
Temperatures and angular diameters are derived for 114 F-M stars using the infrared flux (IRFM) method and initially both the Vega flux calibrations of Dreiling...
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PublicaciónDust extinction in NGC 4594, the Sombrero galaxy
The extinction law in the well-defined dust lane of the Sombrero galaxy, NGC 4594, was studied. In the R, I, J, H, and K bands good agreement is found between...