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2 results

  • Heavy Elements Produced in Supernova Explosion and thier Propulsion in the ISM

  • Rulee Baruah
  • Journal:
    Proceedings of the International Astronomical Union / Volume 9 / Issue S296 / January 2013
    Published online by Cambridge University Press:
    29 January 2014, pp. 390-391
    Print publication:
    January 2013
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  • We study the r-process path at temperatures from 1.0–3.0 × 109K and neutron number density from 1020-1030cm−3. At low density of 1020 cm−3 and T9 = 2.0, the path contains all the elements as given by experimental data of Wapstra et al. (2003). The element 98Cf254 shown by supernova light curves is found in our results. We take iron (Z = 26) as seed for calculation of abundances for supernova.

  • Light Curves of Planetary Transits: How About Ellipticity?

  • Carolina von Essen, Klaus F. Huber, Jürgen H. M. M. Schmitt
  • Journal:
    Proceedings of the International Astronomical Union / Volume 7 / Issue S282 / July 2011
    Published online by Cambridge University Press:
    23 April 2012, pp. 133-134
    Print publication:
    July 2011
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  • The observation of transit light curves has become a key technique in the study of exoplanets, since modeling the resulting transit photometry yields a wealth of information on the planetary systems. Considering that the limited accuracy of ground-based photometry does directly translate into uncertainties in the derived model parameters, simplified spherical planet models were appropriate in the past. With the advent of space-based instrumentation capable of providing photometry of unprecedented accuracy, however, a need for more realistic models has arisen.