Cutoff in the hard X-ray spectra of the ultraluminous X-ray sources HoIX X-1 and M82 X-1

By Sazonov S.   Lutovinov A.   Krivonos R.  

Astronomy Letters, Vol. 40, Iss. 2-3, 2014-02 ,pp. : 65-74

MAIK Nauka/Interperiodica

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X-ray spectral variability in the ultraluminous X-ray source Holmberg IX X−1

By Vierdayanti K.   Done C.   Roberts T. P.   Mineshige S.  

Monthly Notices of the Royal Astronomical Society, Vol. 403, Iss. 3, 2010-04 ,pp. : 1206-1212

Oxford University Press

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The missing link: a low-mass X-ray binary in M31 seen as an ultraluminous X-ray source

By Middleton Matthew J.   Sutton Andrew D.   Roberts Timothy P.   Jackson Floyd E.   Done Chris  

Monthly Notices of the Royal Astronomical Society, Vol. 420, Iss. 4, 2012-03 ,pp. : 2969-2977

Oxford University Press

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A long-term X-ray monitoring of the ultraluminous X-ray source NGC5408X-1 with Swift reveals the presence of dips but no orbital period

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Monthly Notices of the Royal Astronomical Society, Vol. 433, Iss. 2, 2013-01 ,pp. : 1023-1038

Oxford University Press

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X-ray spectral states and metallicity in the ultraluminous X-ray sources NGC 1313 X-1 and X-2

By Pintore Fabio   Zampieri Luca  

Monthly Notices of the Royal Astronomical Society, Vol. 420, Iss. 2, 2012-02 ,pp. : 1107-1114

Oxford University Press

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