Journal: Astronomy and Astrophysics

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    Machine learning in APOGEE. Identification of stellar populations through chemical abundances
    Context. The vast volume of data generated by modern astronomical surveys offers test beds for the application of machine-learning. In these exploratory...
  • Publication
    Machine learning in APOGEE. Unsupervised spectral classification with K-means
    Context. The volume of data generated by astronomical surveys is growing rapidly. Traditional analysis techniques in spectroscopy either demand intensive human...
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    Machine learning initialization to accelerate Stokes profile inversions
    Context. At present, an exponential growth in scientific data from current and upcoming solar observatories is expected. Most of the data consist of high...
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    MAGIC gamma-ray and multi-frequency observations of flat spectrum radio quasar PKS 1510-089 in early 2012
    Aims: Amongst more than fifty blazars detected in very high energy (VHE, E> 100 GeV) γ rays, only three belong to the subclass of flat spectrum radio quasars...
  • Publication
    MAGIC long-term study of the distant TeV blazar PKS 1424+240 in a multiwavelength context
    Aims: We present a study of the very high-energy (VHE; E> 100 GeV) γ-ray emission of the blazar PKS 1424+240 observed with the MAGIC telescopes. The primary aim...
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    MAGIC observation of the GRB 080430 afterglow
    Context. Gamma-ray bursts are cosmological sources emitting radiation from the gamma-rays to the radio band. Substantial observational efforts have been devoted...
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    MAGIC observations and multifrequency properties of the flat spectrum radio quasar 3C 279 in 2011
    Aims: We study the multifrequency emission and spectral properties of the quasar3C 279 aimed at identifying the radiation processes taking place in the source...
  • Publication
    MAGIC Observations and multiwavelength properties of the quasar 3C 279 in 2007 and 2009
    Context. 3C 279, the first quasar discovered to emit VHE γ-rays by the MAGIC telescope in 2006, was reobserved by MAGIC in January 2007 during a major optical...
  • Publication
    MAGIC observations of MWC 656, the only known Be/BH system
    Context. MWC 656 has recently been established as the first observationally detected high-mass X-ray binary system containing a Be star and a black hole (BH)...