Tipo de publicación: Sin árbitro

  • Publicación
    Using symmetries and generating functions to calculate and minimize moments of inertia
    This paper presents some formulae to calculate moments of inertia for solids of revolution and for solids generated by contour plots. For this, the symmetry...
  • Publicación
    Using the EPOXI Mission to Measure the Dust Heterogeneity of Comet 103P/Hartley
    The Deep Impact spacecraft will fly by comet 103P/Hartley on 4 Nov 2010 with a targeted closest approach distance of 700 km providing better than 50 m/pixel...
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    Using the Tremaine-Weinberg method to measure pattern speeds from Halpha velocity maps.
    The Tremaine-Weinberg method is a well-known model-independent technique for measuring density wave pattern speeds in spiral galaxies. Here we show how it can...
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    Using the TYCHO Catalogue for AXAF
    AXAF, the Advanced X-ray Astrophysics Facility will be the third satellite in the series of great observatories in the NASA program, after the Hubble Space...
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    Utilization of redundant polarized solar spectra to infer the polarization properties of the new generation of large aperture solar telescopes
    Spectro-polarimetry plays an important role in the study of solar magnetism and strongly influences the design of the new generation of solar telescopes...
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    UTM, a universal simulator for lightcurves of transiting systems
    The Universal Transit Modeller (UTM) is a light-curve simulator for all kinds of transiting or eclipsing configurations between arbitrary numbers of several...
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    UV and optical quantitative spectroscopy of early B-type supergiants in M 33
    We present the analysis of UV and optical spectra of M 33 early B-type supergiants. Stellar parameters, metal abundances (Si, Mg, O and N) and mass loss rates...
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    UV and optical variability of the low luminosity quasar PG 1351+64
    PG 1351+64 is a bright radio quiet quasar (z = 0.088, mV ≅ 14). IUE observations obtained within few months in 1982 - 1983 showed variations in the 1200 - 2000...
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    UV intensity distributions of the quiet Sun observed with Sunrise
    High resolution solar images in the near UV have been obtained with the Solar UV Filtergraph (SUFI) onboard the Sunrise balloon borne observatory, amongst...