Astrophysical: Techniques

  • Publication
    Correction to: Precision Ephemerides for Gravitational-wave Searches - IV. Corrected and refined ephemeris for Scorpius X-1
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    Covariance of lucky images: performance analysis
    The covariance of ground-based lucky images is a robust and easy-to-use algorithm that allows us to detect faint companions surrounding a host star. In this...
  • Publication
    Cyclic brightening in the short-period WZ Sge-type cataclysmic variable SDSS J080434.20+510349.2
    Aims: We observed a new cataclysmic variable (CV) SDSS J080434.20+510349.2 to study the origin of long-term variability found in its light curve. Methods: Multi...
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    Dark Energy Survey Deep Field photometric redshift performance and training incompleteness assessment
    Context. The determination of accurate photometric redshifts (photo-zs) in large imaging galaxy surveys is key for cosmological studies. One of the most common...
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    Dark Energy Survey year 3 results: point spread function modelling
    We introduce a new software package for modelling the point spread function (PSF) of astronomical images, called PIFF (PSFs In the Full FOV), which we apply to...
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    Dark energy survey year 3 results: weak lensing shape catalogue
    We present and characterize the galaxy shape catalogue from the first 3 yr of Dark Energy Survey (DES) observations, over an effective area of 4143 deg 2 of the...
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    Dark Energy Survey Year 6 results: cell-based coadds and METADETECTION weak lensing shape catalogue
    We present the METADETECTION weak lensing galaxy shape catalogue from the 6-yr Dark Energy Survey (DES Y6) imaging data. This data set is the final release from...
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    Dark skies of the slightly eccentric WASP-18 b from its optical-to-infrared dayside emission
    Context. Ultra-hot Jupiters (UHJs) are gas giant exoplanets that are strongly irradiated by their star, setting intense molecular dissociation that leads to...
  • Publication
    Decoding the compositions of four bright r-process-enhanced stars
    There has been a concerted effort in recent years to identify the astrophysical sites of the r-process that can operate early in the galaxy. The discovery of...