Astrofísicas: Cometas

  • Publicación
    The Rotation Period of C/2014 Q2 (Lovejoy)
    C/2014 Q2 (Lovejoy) was observed around perihelion (2015 January 30) on 15 nights between 2015 January 21 and February 11 using the TADer 0.3-m astrograph...
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    The Round Table Discussion: How Should We Take Best Advantage of the New Generation of Large Telescopes for Cometary Research?
    The highlights of the round table discussion held to discuss the most important pending problems in cometary astrophysics are reported. A number of experts...
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    The size distribution of asteroids in cometary orbits and related populations
    Aims.In this work we study the cumulative size distribution of the population of asteroids in cometary orbits (ACOs), aiming to discriminate its cometary or...
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    The visible and near-infrared spectra of asteroids in cometary orbits
    Context. Dynamical and albedo properties suggest that asteroids in cometary orbits (ACOs) are dormant or extinct comets. Their study provides new insights for...
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    The Visual Light Curve Of C/1995 O1 (Hale-Bopp) From Discovery To Late 1997
    We present a light curve of C/1995 O1 (Hale-Bopp) compiledfrom more than 3000 visual observations of the comet made by members of the The Astronomer Group world...
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    The Volatile Composition of Comet 17P/Holmes after its Extraordinary Outburst
    The volatile abundances in comet 17P/Holmes were measured on three dates (UT 2007 October 27.6 and 31.3 and November 2.3) using high-dispersion (λ/Δλ~2.5×104)...
  • Charla
    Transient submm sources with Simons Observatory
    Simons Observatory (SO) is a new Cosmic Microwave Background telescope currently under construction in the Atacama Desert, close to ALMA and other recent CMB...
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    Triple F—a comet nucleus sample return mission
    The Triple F ( Fresh From the Fridge) mission, a Comet Nucleus Sample Return, has been proposed to ESA’s Cosmic Vision program. A sample return from a comet...
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    Visible and near-infrared observations of interstellar comet 2I/Borisov with the 10.4-m GTC and the 3.6-m TNG telescopes
    In this work, we present the results of an observational study of 2I/Borisov carried out with the 10.4-m Gran Telescopio Canarias (GTC) and the 3.6-m Telescopio...