Astrophysical: Techniques

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    CCD photometry and astrometry for visual double and multiple stars of the HIPPARCOS catalogue. I. Presentation of the large scale project
    A description is given of the activities of an international working group created with the aim of obtaining both photometric and astrometric observations of...
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    CCD Photometry of M15
    We present CCD observations of the galactic globular cluster M15, in the B and V filters. The cluster was reasonably covered, except in its northern region...
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    CdC-SF: Proper motion catalogue from Carte du Ciel plates, San Fernando Zone
    We present an astrometric catalogue of positions and proper motions derived from the Carte du Ciel plates of the San Fernando zone, which has a mean epoch 1901...
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    CdC-SF: Proper motion catalogue from Carte du Ciel plates, San Fernando Zone
    We present an astrometric catalogue of positions and proper motions derived from the Carte du Ciel plates of the San Fernando zone, photographic material with a...
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    Characterisation of the new target of the NASA Lucy mission: Asteroid 152830 Dinkinesh (1999 VD57)
    Context. The NASA Lucy mission is designed to collect data that will be used to study the very interesting population of Jupiter Trojans, which are considered...
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    Characterisation of the warm-Jupiter TOI-1130 system with CHEOPS and a photo-dynamical approach
    Context. Among the thousands of exoplanets discovered to date, approximately a few hundred gas giants on short-period orbits are classified as 'lonely' and only...
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    Characterising TOI-732 b and c: New insights into the M-dwarf radius and density valley
    Context. TOI-732 is an M dwarf hosting two transiting planets that are located on the two opposite sides of the radius valley. Inferring a reliable demographics...
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    Characterization of starspots on a young M-dwarf K2-25: multiband observations of stellar photometric variability and planetary transits
    Detailed atmospheric characterization of exoplanets by transmission spectroscopy requires careful consideration of stellar surface inhomogeneities induced by...
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    Characterization of telescope polarization properties across the visible and near-infrared spectrum. Case study: the Dunn Solar Telescope
    Accurate astrophysical polarimetry requires a proper characterization of the polarization properties of the telescope and instrumentation employed to obtain the...