Browsing by Author "Koljonen K."

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  • Investigating the Mini and Giant Radio Flare Episodes of Cygnus X-3 
    Egron E.; Pellizzoni A.; Righini S.; Giroletti M.; Koljonen K.; Pottschmidt K.; Trushkin S.; Lobina J.; Pilia M.; Wilms J.; Corbel S.; Grinberg V.; Loru S.; Trois A.; Rodriguez J.; Lähteenmäki A.; Tornikoski M.; Enestam S.; Järvelä E. (2020)
    © 2020. The American Astronomical Society. All rights reserved. The microquasar Cygnus X-3 underwent a giant radio flare in 2017 April, reaching a maximum flux of ∼16.5 Jy at 8.5 GHz. We present results from a long monitoring ...
  • Photoionization Emission Models for the Cyg X-3 X-Ray Spectrum 
    Kallman T.; McCollough M.; Koljonen K.; Liedahl D.; Miller J.; Paerels F.; Pooley G.; Sako M.; Schulz N.; Trushkin S.; Corrales L. (2019)
    © 2019. The American Astronomical Society. We present model fits to the X-ray line spectrum of the well-known high-mass X-ray binary Cyg X-3. The primary observational data set is a spectrum taken with the Chandra X-ray ...
  • The hypersoft state of Cygnus X-3: A key to jet quenching in X-ray binaries? 
    Koljonen K.; Maccarone T.; McCollough M.; Gurwell M.; Trushkin S.; Pooley G.; Piano G.; Tavani M. (2018)
    © ESO 2018. Context. Cygnus X-3 is a unique microquasar in the Galaxy hosting a Wolf-Rayet companion orbiting a compact object that most likely is a low-mass black hole. The unique source properties are likely due to the ...

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