Astrofísicas: Técnicas

  • Publicación
    NIRPS and TESS reveal a peculiar system around the M dwarf TOI-756: A transiting sub-Neptune and a cold eccentric giant
    Context. The Near InfraRed Planet Searcher (NIRPS) joined HARPS on the 3.6-m ESO telescope at La Silla Observatory in April 2023, dedicating part of its...
  • Publicación
    NIRPS detection of delayed atmospheric escape from the warm and misaligned Saturn-mass exoplanet WASP-69 b
    Context. Near-infrared high-resolution échelle spectrographs unlock access to fundamental properties of exoplanets, from their atmospheric escape and...
  • Publicación
    NIRPS joining HARPS at ESO 3.6 m: On-sky performance and science objectives
    Context. The Near-InfraRed Planet Searcher (NIRPS) is a high-resolution, high-stability near-infrared (NIR) spectrograph equipped with an adaptive optics (AO)...
  • Publicación
    No direct coupling between bending of galaxy disc stellar age and light profiles
    We study the stellar properties of 44 face-on spiral galaxies from the Calar Alto Legacy Integral Field Area survey via full spectrum fitting techniques. We...
  • Publicación
    No random transits in CHEOPS observations of HD 139139
    Context. The star HD 139139 (a.k.a. `the Random Transiter') is a star that exhibited enigmatic transit-like features with no apparent periodicity in K2 data...
  • Publicación
    Nodal precession of a hot Jupiter transiting the edge of a late A-type star TOI-1518
    TOI-1518b, a hot Jupiter around a late A-type star, is one of the few planetary systems that transit the edge of the stellar surface (the impact parameter b ~ 0...
  • Publicación
    Nodal precession of WASP-33b for 11 yr by Doppler tomographic and transit photometric observations
    WASP-33b, a hot Jupiter around a hot star, is a rare system in which nodal precession has been discovered. We updated the model for the nodal precession of WASP...
  • Publicación
    Noise from undetected sources in Dark Energy Survey images
    For ground-based optical imaging with current CCD technology, the Poisson fluctuations in source and sky background photon arrivals dominate the noise budget...
  • Publicación
    Noise properties of the CoRoT data. A planet-finding perspective
    In this short paper, we study the photometric precision of stellar light curves obtained by the CoRoT satellite in its planet-finding channel, with a particular...