Astrophysical: Techniques

  • Publication
    Effects of Non-Solar Abundance Ratios on Star Spectra: Observations versus Models
    Element abundance ratios hold important clues to understanding the evolution of stellar populations, through the varying timescales of different nucleosynthetic...
  • Publication
    Efficient identification of exoplanetary transit candidates from SuperWASP light curves
    Transiting extrasolar planets constitute only a small fraction of the range of stellar systems found to display periodic, shallow dimmings in wide-field surveys...
  • Publication
    Eight new T4.5-T7.5 dwarfs discovered in the UKIDSS Large Area Survey Data Release 1
    We present eight new T4.5-T7.5 dwarfs identified in the UKIRT (United Kingdom Infrared Telescope) Infrared Deep Sky Survey (UKIDSS) Large Area Survey (LAS) Data...
  • Publication
    Embedded AGN and star formation in the central 80 pc of IC 3639
    Aims: Our goal is to probe the inner structure and the nature of the mid-IR emission in the active galaxy IC 3639, which hosts a Seyfert 2 nucleus and shows...
  • Publication
    Emergence of Small-Scale Magnetic Loops in the Quiet-Sun Internetwork
    We study the emergence of magnetic flux at very small spatial scales (less than 2") in the quiet-Sun internetwork. To this aim, a time series of...
  • Publication
    EMIR, the near-infrared camera and multi-object spectrograph for the GTC. EMIR at GTC
    We present EMIR, a powerful near-infrared (NIR) camera and multi-object spectrograph (MOS) installed at the Nasmyth focus of the 10.4 m GTC. EMIR was...
  • Publication
    EMIR: a Near-Infrared Multiobject Spectrograph for the GTC
    In this contribution, we review the overall features of EMIR, the NIR multiobject spectrograph of the GTC. EMIR is at present in the middle of its PD phase and...
  • Publication
    Empirical determination of atomic line parameters of the 1.5 μm spectral region
    Context. Both the quality and amount of astrophysical data are steadily increasing over time owing to the improvement of telescopes and their instruments. This...
  • Publication
    Empirical modelling of the BLASTPol achromatic half-wave plate for precision submillimetre polarimetry
    A cryogenic achromatic half-wave plate (HWP) for submillimetre astronomical polarimetry has been designed, manufactured, tested and deployed in the Balloon...