Astrofísicas: Velocidad radial

  • Publicación
    The Hades RV Programme With Harps-N@TNG GJ 3998: An Early M-Dwarf Hosting a System of Super-Earths
    Many efforts to detect Earth-like planets around low-mass stars are presently devoted in almost every extra-solar planetsearch. M dwarfs are considered ideal...
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    The kinematics and morphology of NGC 520: One, two, or three galaxies
    The peculiar galaxy NGC 520 (Arp 157) is often interpreted as an interacting pair of galaxies. The identification of the two bulges and overall morphology of...
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    The local interstellar medium toward the center of Loop I
    The present study of the local insterstellar medium toward the center of Loop I analyzes optical and UV spectra of nearby stars within the l = 310-330 deg, b =...
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    The Magellan-TESS Survey. I. Survey Description and Midsurvey Results
    Kepler revealed that roughly one-third of Sunlike stars host planets orbiting within 100 days and between the size of Earth and Neptune. How do these planets...
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    The metallicity of Palomar 1
    Palomar 1 is a peculiar Galactic globular cluster suspected of being younger than the bulk of Galactic halo objects. However, such a low age can be confirmed...
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    The Multiplanet System TOI-421
    We report the discovery of a warm Neptune and a hot sub-Neptune transiting TOI-421 (BD-14 1137, TIC 94986319), a bright (V = 9.9) G9 dwarf star in a visual...
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    The observed background solar velocity noise
    Using accurate radial velocity observations of integral sunlight, the background solar velocity noise has been measured at different frequencies of interest for...
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    The optical properties of low luminosity radio galaxies with radio jets
    A morphological description and CCD photometric information for a sample of 24 low luminosity radio galaxies with radio jets are presented. It is concluded that...
  • Publicación
    The prevalence of neutral gas in massive post-main-sequence nebulae
    Results are reported from a CO (J = 2-1) survey of nine type I nebulae using the 12-m NRAO antenna at KPNO; the data are presented in tables, graphs, and...