Astrophysical: Techniques

  • Publication
    Two planetary systems with transiting Earth-sized and super-Earth planets orbiting late-type dwarf stars
    We present two new planetary systems found around cool dwarf stars with data from the K2 mission. The first system was found in K2-239 (EPIC 248545986)...
  • Publication
    Two sub-Neptunes around the M dwarf TOI-1470
    Aims: A transiting planet candidate with a sub-Neptune radius orbiting the nearby (d = 51.9 ± 0.07 pc) M1.5 V star TOI-1470 with a period of ~2.5 d was...
  • Publication
    Two super-Earths at the edge of the habitable zone of the nearby M dwarf TOI-2095
    The main scientific goal of TESS is to find planets smaller than Neptune around stars that are bright enough to allow for further characterization studies...
  • Publication
    Two temperate Earth-mass planets orbiting the nearby star GJ 1002
    We report the discovery and characterisation of two Earth-mass planets orbiting in the habitable zone of the nearby M-dwarf GJ 1002 based on the analysis of the...
  • Publication
    Two temperate super-Earths transiting a nearby late-type M dwarf
    Context. In the age of JWST, temperate terrestrial exoplanets transiting nearby late-type M dwarfs provide unique opportunities for characterising their...
  • Publication
    Two-dimensional line-strength maps in three well-studied early-type galaxies
    Integral field spectroscopy has been obtained for the nuclear regions of three large, well-studied, early-type galaxies. From these spectra we have obtained...
  • Publication
    Two-dimensional spectroscopy of the Seyfert galaxies NGC 5728 and 4151 in the [OIII] lambdalambda4959, 5007 and Hα spectral ranges
    We have performed two-dimensional spectroscopy of the Seyfert galaxies NGC 5728 and 4151 in the 4500-7500A spectral range. The data (especially the [OIII]...
  • Publication
    Two-dimensional Spectroscopy Reveals an Arc of Extended Emission in the Gravitational Lens System Q2237+0305
    We present two-dimensional spectroscopy of the gravitational lens system Q2237+0305 (Einstein Cross) obtained with the INTEGRAL fiber system in subarcsecond...
  • Publication
    Two-dimensional, high spatial resolution, solar spectroscopy using a correlation tracker. I. Correlation tracker description.
    In this paper the description of the Solar Correlation Tracker prototype built by the Instituto de Astrof isica de Canarias is presented. The system is mainly...