1 Ocak 2016 Dergi makalesi Açık Erişim

Valtonen, M. J.; Zola, S.; Ciprini, S.; Gopakumar, A.; Matsumoto, K.; Sadakane, K.; Kidger, M.; Gazeas, K.; Nilsson, K.; Berdyugin, A.; Piirola, V.; Jermak, H.; Baliyan, K. S.; Alicavus, F.; Boyd, D.; Campas Torrent, M.; Campos, F.; Carrillo Gomez, J.; Caton, D. B.; Chavushyan, V.; Chavushyan, V.

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        "name": "Valtonen, M. J."
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      {
        "name": "Zola, S."
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      {
        "name": "Ciprini, S."
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      {
        "affiliation": "Tata Inst Fundamental Res, Dept Astron & Astrophys, Bombay 400005, Maharashtra, India", 
        "name": "Gopakumar, A."
      }, 
      {
        "affiliation": "Osaka Kyoiku Univ, Astron Inst, 4-698 Asahigaoka, Osaka 5828582, Japan", 
        "name": "Matsumoto, K."
      }, 
      {
        "affiliation": "Osaka Kyoiku Univ, Astron Inst, 4-698 Asahigaoka, Osaka 5828582, Japan", 
        "name": "Sadakane, K."
      }, 
      {
        "affiliation": "European Space Agcy, Herschel Sci Ctr, ESAC, Madrid 28691, Spain", 
        "name": "Kidger, M."
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      {
        "affiliation": "Univ Athens, Dept Astrophys Astron & Mech, GR-15784 Athens, Greece", 
        "name": "Gazeas, K."
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      {
        "affiliation": "Univ Turku, Finnish Ctr Astron ESO, Turku, Finland", 
        "name": "Nilsson, K."
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        "affiliation": "Univ Turku, Dept Phys & Astron, Tuorla Observ, Turku, Finland", 
        "name": "Berdyugin, A."
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      {
        "name": "Piirola, V."
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      {
        "affiliation": "Liverpool John Moores Univ, Astrophys Res Inst, IC2, Liverpool Sci Pk, Brownlow Hill L3 5RF, NSW, Australia", 
        "name": "Jermak, H."
      }, 
      {
        "affiliation": "Phys Res Lab, Ahmadabad 380009, Gujarat, India", 
        "name": "Baliyan, K. S."
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      {
        "name": "Alicavus, F."
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      {
        "affiliation": "5 Silver Lane, Wantage OX12 9TX, Oxon, England", 
        "name": "Boyd, D."
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      {
        "name": "Campas Torrent, M."
      }, 
      {
        "affiliation": "C Riera 1,1 3a, Barcelona, Spain", 
        "name": "Campos, F."
      }, 
      {
        "affiliation": "Carretera Martos 28 Primero Fuensanta, Jaen, Spain", 
        "name": "Carrillo Gomez, J."
      }, 
      {
        "affiliation": "Appalachian State Univ, Dept Phys & Astron, Dark Sky Observ, Boone, NC 28608 USA", 
        "name": "Caton, D. B."
      }, 
      {
        "affiliation": "Inst Nacl Astrofis Opt & Electr, Apartado Postal 51-216, Puebla 72000, Mexico", 
        "name": "Chavushyan, V."
      }, 
      {
        "affiliation": "Inst Nacl Astrofis Opt & Electr, Apartado Postal 51-216, Puebla 72000, Mexico", 
        "name": "Chavushyan, V."
      }
    ], 
    "description": "OJ 287 is a quasi-periodic quasar with roughly 12 year optical cycles. It displays prominent outbursts that are predictable in a binary black hole model. The model predicted a major optical outburst in 2015 December. We found that the outburst did occur within the expected time range, peaking on 2015 December 5 at magnitude 12.9 in the optical R-band. Based on Swift/XRT satellite measurements and optical polarization data, we find that it included a major thermal component. Its timing provides an accurate estimate for the spin of the primary black hole, chi = 0.313 +/- 0.01. The present outburst also confirms the established general relativistic properties of the system such as the loss of orbital energy to gravitational radiation at the 2% accuracy level, and it opens up the possibility of testing the black hole no-hair theorem with 10% accuracy during the present decade.", 
    "doi": "10.3847/2041-8205/819/2/L37", 
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    "journal": {
      "issue": "2", 
      "title": "ASTROPHYSICAL JOURNAL LETTERS", 
      "volume": "819"
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    "publication_date": "2016-01-01", 
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    "title": "PRIMARY BLACK HOLE SPIN IN OJ 287 AS DETERMINED BY THE GENERAL RELATIVITY CENTENARY FLARE"
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