Astrophysical: Polarimeters

  • Publication
    Indication of the Hanle Effect by Comparing the Scattering Polarization Observed by CLASP in the Lyα and Si iii 120.65 nm Lines
    The Chromospheric Lyman-Alpha Spectro-Polarimeter is a sounding rocket experiment that has provided the first successful measurement of the linear polarization...
  • Publication
    LSPE-Strip on-sky calibration strategy using bright celestial sources
    In this paper we describe the global on-sky calibration strategy of the LSPE-Strip instrument. Strip is a microwave telescope operating in the Q- and W-bands...
  • Publication
    Magnetic field measurements
    Techniques involved in measurements of solar magnetic field are based on the observation and interpretation of the polarization signal in suitable Fraunhofer...
  • Talk
    Mapping the Sun's upper photosphere with artificial neural networks
    In this talk I'll present results from a recent paper in which we have developed a new analysis technique for solar spectra based on artificial neural networks...
  • Publication
    Measuring Solar Magnetic Fields with Artificial Neural Networks
    The quantification of the solar magnetic field is a crucial step in modern solar physics to understand the dynamics, activity and variability of our star...
  • Publication
    Neural calibration of imaging Stokes polarimeters
    Current polarimetric calibration techniques derive the instrument modulation matrix by numerically fitting an instrumental model to measurements of a set of...
  • Publication
    Planck 2013 results. V. LFI calibration
    We discuss the methods employed to photometrically calibrate the data acquired by the Low Frequency Instrument on Planck. Our calibration is based on a...
  • Publication
    Planck 2015 results. V. LFI calibration
    We present a description of the pipeline used to calibrate the Planck Low Frequency Instrument (LFI) timelines into thermodynamic temperatures for the Planck...
  • Publication
    Planck pre-launch status: Low Frequency Instrument calibration and expected scientific performance
    We present the calibration and scientific performance parameters of the Planck Low Frequency Instrument (LFI) measured during the ground cryogenic test campaign...