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  • NASA ADS - Astrophysics Data System
    A streamlined platform for accessing astrophysics data and research resources
  • Planck 2018 results. VI. Cosmological parameters - ADS
    We present cosmological parameter results from the final full-mission Planck measurements of the cosmic microwave background (CMB) anisotropies, combining information from the temperature and polarization maps and the lensing reconstruction Compared to the 2015 results, improved measurements of large-scale polarization allow the reionization optical depth to be measured with higher precision
  • Unified Schemes for Radio-Loud Active Galactic Nuclei - ADS
    The appearance of active galactic nuclei (AGN) depends so strongly on orientation that our current classification schemes are dominated by random pointing directions instead of more interesting physical properties Light from the centers of many AGN is obscrued by optically thick circumstellar matter, particularly at optical and ultraviolet wavelengths In radio-loud AGN, bipolar jets
  • ADS
    ADS Docmatcher 28 Sep 2022 The primary aim of the Docmatcher pipeline is to match arXiv preprints to the peer-reviewed published version, and vice versa ADS previously used the ADS Classic ingest system to accomplish this, however with recent updates and developments to the ADS
  • ADS Help
    Welcome to ADS Help Pages This site is a place to find documentation, tutorials, and other general information about ADS services The topics are listed in the left sidebar and the search bar in the upper right can be used to search the entire site To view the latest information about ADS, visit the ADS blog
  • Astrophysics Data System - NASA ADS
    Access the NASA ADS Astrophysics Data System query form for searching astronomy and astrophysics papers using various parameters and filters
  • emcee: The MCMC Hammer - ADS
    We introduce a stable, well tested Python implementation of the affine-invariant ensemble sampler for Markov chain Monte Carlo (MCMC) proposed by Goodman amp; Weare (2010) The code is open source and has already been used in several published projects in the astrophysics literature The algorithm behind emcee has several advantages over traditional MCMC sampling methods and it has excellent
  • Gaia Data Release 3. Summary of the content and survey properties - ADS
    Context We present the third data release of the European Space Agency's Gaia mission, Gaia DR3 This release includes a large variety of new data products, notably a much expanded radial velocity survey and a very extensive astrophysical characterisation of Gaia sources <BR > Aims: We outline the content and the properties of Gaia DR3, providing an overview of the main improvements in the
  • The host galaxies of active galactic nuclei - ADS
    We examine the properties of the host galaxies of 22 623 narrow-line active galactic nuclei (AGN) with 0 02 lt; z lt; 0 3 selected from a complete sample of 122 808 galaxies from the Sloan Digital Sky Survey We focus on the luminosity of the [OIII]λ5007 emission line as a tracer of the strength of activity in the nucleus We study how AGN host properties compare with those of normal
  • Kepler Planet-Detection Mission: Introduction and First Results - ADS
    The Kepler mission was designed to determine the frequency of Earth-sized planets in and near the habitable zone of Sun-like stars The habitable zone is the region where planetary temperatures are suitable for water to exist on a planet’s surface During the first 6 weeks of observations, Kepler monitored 156,000 stars, and five new exoplanets with sizes between 0 37 and 1 6 Jupiter radii





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