Poster Open Access

UCAC2 46706450: A rapidly rotating K-type subgiant with an extremely hot white dwarf companion

Nicole Reindl; Klaus Werner; Lisa Löbling; Ingrid Pelisoli; Veronika Schaffenroth; Alberto Rebassa-Mansergas; Puji Irawati; Juanjuan Ren


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{
  "inLanguage": {
    "alternateName": "eng", 
    "@type": "Language", 
    "name": "English"
  }, 
  "description": "<p>F, G, or K-type stars with a white dwarf companion are relatively rarely known systems in comparison to thousands of M stars with white dwarf companions. We have recently studied one of those systems in detail, and found that the sub-components are very rare stars on their own. The UV source in our system turned out to be an extremely hot white dwarf with an effective temperature of 105,000K. The K-type star was found to be chromospherically active and one of the most rapidly rotating sub-giant known (v_rot=151km/s). Here we present the results of our analysis.</p>", 
  "license": "https://creativecommons.org/licenses/by/4.0/legalcode", 
  "creator": [
    {
      "affiliation": "Institut f\u00fcr Physik und Astronomie, Universit\u00e4t Potsdam, Karl-Liebknecht-Stra\u00dfe 24/25, Germany", 
      "@id": "https://orcid.org/0000-0002-0119-7883", 
      "@type": "Person", 
      "name": "Nicole Reindl"
    }, 
    {
      "affiliation": "Institut f\u00fcr Astronomie und Astrophysik, Kepler Center forAstro and Particle Physics, Eberhard Karls Universit\u00e4t, Sand 1, 72076T\u00fcbingen, Germany", 
      "@type": "Person", 
      "name": "Klaus Werner"
    }, 
    {
      "affiliation": "Institut f\u00fcr Astronomie und Astrophysik, Kepler Center forAstro and Particle Physics, Eberhard Karls Universit\u00e4t, Sand 1, 72076T\u00fcbingen, Germany", 
      "@type": "Person", 
      "name": "Lisa L\u00f6bling"
    }, 
    {
      "affiliation": "Institut f\u00fcr Physik und Astronomie, Universit\u00e4t Potsdam, Karl-Liebknecht-Stra\u00dfe 24/25, Germany", 
      "@type": "Person", 
      "name": "Ingrid Pelisoli"
    }, 
    {
      "affiliation": "Institut f\u00fcr Physik und Astronomie, Universit\u00e4t Potsdam, Karl-Liebknecht-Stra\u00dfe 24/25, Germany", 
      "@type": "Person", 
      "name": "Veronika Schaffenroth"
    }, 
    {
      "affiliation": "Departament de F\u00edsica, Universitat Polit\u00e8cnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels, Spain", 
      "@type": "Person", 
      "name": "Alberto Rebassa-Mansergas"
    }, 
    {
      "affiliation": "National Astronomical Research Institute of Thailand, Sirindhorn AstroPark, Donkaew, Mae Rim, Chiang Mai 50180, Thailand", 
      "@type": "Person", 
      "name": "Puji Irawati"
    }, 
    {
      "affiliation": "Key Laboratory of Space Astronomy and Technology, NationalAstronomical Observatories, Chinese Academy of Sciences, Beijing 100101, P. R. China", 
      "@type": "Person", 
      "name": "Juanjuan Ren"
    }
  ], 
  "url": "https://zenodo.org/record/4563208", 
  "datePublished": "2021-02-25", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.5281/zenodo.4563208", 
  "@id": "https://doi.org/10.5281/zenodo.4563208", 
  "@type": "CreativeWork", 
  "name": "UCAC2 46706450: A rapidly rotating K-type subgiant with an extremely hot white dwarf companion"
}
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