Browsing by Author "Kuulkers E."

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  • Burst-induced coronal cooling in GS 1826-24: The clock wagging its tail 
    Sánchez-Fernández C.; Kajava J.J.E.; Poutanen J.; Kuulkers E.; Suleimanov V.F. (2020)
    © ESO 2020. Type I X-ray bursts in GS 1826-24, and in several other systems, may induce cooling of the hot inner accretion flow that surrounds the bursting neutron star. Given that GS 1826-24 remained persistently in the ...
  • GAMMA RAYS from TYPE Ia SUPERNOVA SN 2014J 
    Churazov E.; Sunyaev R.; Isern J.; Bikmaev I.; Bravo E.; Chugai N.; Grebenev S.; Jean P.; Knödlseder J.; Lebrun F.; Kuulkers E. (2015)
    © 2015. The American Astronomical Society. All rights reserved.. The whole set of INTEGRAL observations of Type Ia supernova SN 2014J, covering the period 19-162 days after the explosion, has been analyzed. For spectral ...
  • The effect of accretion on the measurement of neutron star mass and radius in the low-mass X-ray binary 4U 1608-52 
    Poutanen J.; Nättilä J.; Kajava J.; Latvala O.; Galloway D.; Kuulkers E.; Suleimanov V. (2014)
    Spectral measurements of thermonuclear (type I) X-ray bursts from low-mass X-ray binaries have been used to measure neutron star (NS) masses and radii. A number of systematic issues affect such measurements and have raised ...
  • The imprint of carbon combustion on a superburst from the accreting neutron star 4U 1636-536 
    Keek L.; Cumming A.; Wolf Z.; Ballantyne D.; Suleimanov V.; Kuulkers E.; Strohmayer T. (2015)
    © 2015 The Authors. Published by Oxford University Press on behalf of the Royal Astronomical Society. Superbursts are hours-long X-ray flares attributed to the thermonuclear runaway burning of carbon-rich material in the ...
  • The influence of accretion geometry on the spectral evolution during thermonuclear (type I) X-ray bursts 
    Kajava J.; Nättilä J.; Latvala O.; Pursiainen M.; Poutanen J.; Suleimanov V.; Revnivtsev M.; Kuulkers E.; Galloway D. (2014)
    © 2014 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society. Neutron star (NS)masses and radii can be estimated from observations of photospheric radiusexpansion X-ray bursts, provided ...

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