Astrophysical: Techniques

  • Publication
    Absolute motions of globular clusters. II. HST astrometry and VLT radial velocities in NGC 6397
    In this paper we present a new, accurate determination of the three components of the absolute space velocity of the Galactic globular cluster NGC 6397 (l≃338°...
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    Absorption Line Mapping with OSIRIS Tunable Filters: A Pilot Study
    We demonstrate in this work that it is possible to derive spectra of integrated absorption lines for any type stellar system using the GTC/OSIRIS Tunable...
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    Abundance trend with condensation temperature for stars with different Galactic birth places
    Context. During the past decade, several studies reported a correlation between chemical abundances of stars and condensation temperature (also known as Tc...
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    Accretion-induced flickering variability among symbiotic stars from space photometry with NASA TESS
    Context. Symbiotic binaries exhibit a wide range of photometric variability across different timescales. These changes can be attributed to factors such as...
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    Accurate Atmospheric Parameters at Moderate Resolution Using Spectral Indices: Preliminary Application to the MARVELS Survey
    Studies of Galactic chemical, and dynamical evolution in the solar neighborhood depend on the availability of precise atmospheric parameters (effective...
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    Accurate masses of very low mass stars. III. 16 new or improved masses
    We have obtained adaptive optics images and accurate radial velocities for 7 very low mass objects, In the course of a long term effort to determine accurate...
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    Accurate masses of very low mass stars. IV. Improved mass-luminosity relations
    We present improved visual and near-infrared empirical mass-luminosity relations for very low mass stars (M
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    Accurate sky signal reconstruction for ground-based spectroscopy with kinetic inductance detectors
    Context. Wide-field spectrometers are needed to deal with current astrophysical challenges that require multiband observations at millimeter wavelengths. An...
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    Active region fine structure observed at 0.08 arcsec resolution
    Context. The various mechanisms of magneto-convective energy transport determine the structure of sunspots and active regions. Aims: We characterise the...