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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{
  "publisher": "Zenodo", 
  "DOI": "10.5281/zenodo.4563208", 
  "language": "eng", 
  "title": "UCAC2 46706450: A rapidly rotating K-type subgiant with an extremely hot white dwarf companion", 
  "issued": {
    "date-parts": [
      [
        2021, 
        2, 
        25
      ]
    ]
  }, 
  "abstract": "<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>", 
  "author": [
    {
      "family": "Nicole Reindl"
    }, 
    {
      "family": "Klaus Werner"
    }, 
    {
      "family": "Lisa L\u00f6bling"
    }, 
    {
      "family": "Ingrid Pelisoli"
    }, 
    {
      "family": "Veronika Schaffenroth"
    }, 
    {
      "family": "Alberto Rebassa-Mansergas"
    }, 
    {
      "family": "Puji Irawati"
    }, 
    {
      "family": "Juanjuan Ren"
    }
  ], 
  "type": "graphic", 
  "id": "4563208"
}
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