Astrophysical: Techniques

  • Publication
    Machine learning for transient recognition in difference imaging with minimum sampling effort
    The amount of observational data produced by time-domain astronomy is exponentially increasing. Human inspection alone is not an effective way to identify...
  • 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...
  • Publication
    Machine learning in solar physics
    The application of machine learning in solar physics has the potential to greatly enhance our understanding of the complex processes that take place in the...
  • Publication
    Magnetic and Dynamical Photospheric Disturbances Observed During an M3.2 Solar Flare
    This Letter reports on a set of full-Stokes spectropolarimetric observations in the near-infrared He i 10830 Å spectral region covering the pre-flare, flare...
  • Publication
    Magnetic cycles and rotation periods of late-type stars from photometric time series
    Aims: We investigate the photometric modulation induced by magnetic activity cycles and study the relationship between rotation period and activity cycle(s) in...
  • Publication
    Magnetic field emergence in mesogranular-sized exploding granules observed with sunrise/IMaX data
    We report on magnetic field emergences covering significant areas of exploding granules. The balloon-borne mission Sunrise provided high spatial and temporal...
  • Publication
    Magnetic field strength of active region filaments
    Aims: We study the vector magnetic field of a filament observed over a compact active region neutral line. Methods: Spectropolarimetric data acquired with TIP...
  • Publication
    Magnetic Fields in M Dwarfs: Rapid Magnetic Field Variability in EV Lacertae
    We report here our spectropolarimetric observations obtained using the CFHT Espadons high-resolution spectrograph of two M dwarf stars that standard models...
  • Publication
    Magnetic fields in planetary nebulae and post-AGB nebulae
    Magnetic fields are an important but largely unknown ingredient of planetary nebulae. They have been detected in oxygen-rich asymptotic giant branch (AGB) and...