From ultraluminous X-ray sources to ultraluminous supersoft sources: NGC 55 ULX, the missing link

Pinto, C; Alston, W; Soria, R; Middleton, MJ; Walton, DJ; Sutton, AD; Fabian, AC; Earnshaw, H; Urquhart, R; Kara, E; Roberts, TP

Pinto, C (reprint author), Inst Astron, Madingley Rd, Cambridge CB3 0HA, England.

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 2017; 468 (3): 2865

Abstract

In recent work with high-resolution reflection grating spectrometers (RGS) aboard XMM-Newton, Pinto et al. have discovered that two bright and archety......

Full Text Link