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Browsing by Author "Middleton, Matthew J"
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An 8.56 keV absorption line in the hyperluminous X-ray source in NGC 4045: Ultra-fast outflow or cyclotron line?
Brightman, Murray; Kosec, Peter; Fürst, Felix; Earnshaw, Hannah; Heida, Marianne; Middleton, Matthew J; Stern, Daniel; Walton, Dominic J (2022-04-21)We report on the discovery of an absorption line at $E=8.56^{+0.05}_{-0.11}$ keV detected with a significance of $>3.3\sigma$ in the NuSTAR and XMM-Newton spectra of a newly discovered hyperluminous X-ray source (HLX, ... -
An 8.56 keV Absorption Line in the Hyperluminous X-Ray Source in NGC 4045: Ultrafast Outflow or Cyclotron Line?
Brightman, Murray; Kosec, Peter; Fürst, Felix; Earnshaw, Hannah; Heida, Marianne; Middleton, Matthew J; Stern, Daniel; Walton, Dominic J (2022-04-21)We report on the discovery of an absorption line at E=8.56−0.11+0.05 keV detected with a significance of >3.3σ in the NuSTAR and XMM-Newton spectra of a newly discovered hyperluminous X-ray source (L X > 1041 erg s−1) in ...