877 datasets found

Keywords: astrometry

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  • S-PLUS DR4 photometrical catalog

    The Southern Photometric Local Universe Survey (S-PLUS) is a project to map ~9300 sq deg of the sky using twelve bands (seven narrow and five broadbands). Observations are...
  • ZTF DR1 light curves of SNe Type Ia

    Type Ia supernovae (SNe Ia) in the nearby Hubble flow are excellent distance indicators in cosmology. The Zwicky Transient Facility (ZTF) has observed a large sample of SNe from...
  • Planetary systems study with GALAH surveys

    Pioneering photometric, astrometric, and spectroscopic surveys is helping exoplanetary scientists better constrain the fundamental properties of stars within our galaxy and the...
  • Element abundances study of Cepheids

    Radial abundance gradients provide sound constraints for chemo-dynamical models of galaxies. Azimuthal variations of abundance ratios are solid diagnostics to understand their...
  • Star clusters study in PHANGS-HST galaxies

    Using PHANGS-HST NUV-U-B-V-I imaging of 17 nearby spiral galaxies, we study samples of star clusters and stellar associations, visually selected to be bright and relatively...
  • Blazars study with ZTF DR6 and Roma-BZCAT

    We investigate the temporal and colour variability of 897 blazars, comprising 455 BL Lacertae objects (BL Lacs) and 442 Flat Spectrum Radio Quasars (FSRQs), selected from the...
  • Hydra I cluster study with H I emission

    We present results from our analysis of the Hydra I cluster observed in neutral atomic hydrogen (H I) as part of the Widefield ASKAP L-band Legacy All-sky Blind Survey...
  • Hipparchus's Lost Star Catalogue (1/2 reconstructed)

    Susanne M. Hoffmann reconstructed the not preserved celestial globe (and star catalogue) of ancient Hipparchus of Nicaea digitally. She investigated the data (celestial...
  • USNO Galilean observations

    The New Astrometric Reduction of Old Observations (NAROO) program is dedicated to the measurement of astrophotographic plates and the analysis of old observations for scientific...
  • UCAC2 Catalogue

    The UCAC2 is the second release of the ongoing UCAC project, designed to observe the entire sky for R magnitudes of about 7.5 to 16. The observed positional errors are about 20...
  • Gaia DR3 source catalogue "light"

    This is gaia_source from the Gaia Data Release 3, stripped to just enough columns to enable basic science (but therefore a bit faster and simpler to deal with than the full...
  • Gaia DR3 Lite Cone Search

    This schema contains data re-published from the official Gaia mirrors (such as ivo://uni-heidelberg.de/gaia/tap) either to support combining its data with local tables (the...
  • 180MHz Murchison Commissioning Survey (MWACS)

    The Murchison Widefield Array Commissioning Survey (MWACS) is a ~6100deg^2^ 104-196MHz radio sky survey performed with the Murchison Widefield Array during instrument...
  • GLEAM sources ionospheric position shifts

    Nearly 200 hours of observing with the Murchison Widefield Array (MWA) radio telescope during the Galactic and Extra-galactic All-sky MWA (GLEAM) survey were used to assemble...
  • Classifier catalogue of class II YSO posteriors

    A naive Bayes classifier for identifying Class II YSOs has been constructed and applied to a region of the Northern Galactic Plane containing 8 million sources with good quality...
  • Positions of high-redshift luminous quasars

    We present finding charts and J2000 positions accurate to ~1" for the 528 high-redshift (z>1), luminous (M_v_<-25.5) quasars investigated in the Hubble Space Telescope...
  • Rich Clusters of Galaxies

    This is an all-sky catalog of 4073 rich clusters of galaxies, each having at least 30 members within the magnitude range m_3_ to m_3_ + 2 (m_3_ is the magnitude of the third...
  • Topocentric positions of Pluto

    Catalog of 90 astrometric positions of Pluto have been compiled with Tycho-2 as a reference frame from photographic observations obtained at the Main Astronomical Observatory,...
  • GaiaSimu Universe Model Snapshot

    Context: This study has been developed in the framework of the computational simulations that are executed for the preparation of the ESA Gaia astrometric mission. Aims: We...
  • An astrometric catalogue of radio stars

    Astrometric data in the optical and radio spectral ranges have been assembled for some 200 radio stars which are considered promising objects for linkage of optical and radio...
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