Showing 1–20 of 74 results
/ Date/ Name
Nov 9, 2021Evolution of the spin, spectrum and super-orbital period of the ultraluminous X-ray pulsar M51 ULX7Oct 23, 2020A luminous X-ray transient in SDSS J143359.16+400636.0: a likely tidal disruption eventJan 29, 2019A ~60-day super-orbital period originating from the ultraluminous X-ray pulsar in M82Mar 22, 2022An 8.56 keV absorption line in the hyperluminous X-ray source in NGC 4045: ultra-fast outflow or cyclotron line?Jan 20, 2020Spectral evolution of the ultraluminous X-ray sources M82 X-1 and X-2Feb 6, 2012X-ray colour-colour selection for heavily absorbed AGNJul 13, 2016A broadband X-ray spectral study of the intermediate-mass black hole candidate M82 X-1 with NuSTAR, Chandra and SwiftAug 18, 2008On the nature of unabsorbed Seyfert 2 galaxiesJun 17, 2014Compton thick active galactic nuclei in Chandra surveysMar 5, 2012The evolution of the Compton thick fraction and the nature of obscuration for AGN in the Chandra Deep Field SouthJul 21, 2015Spectral and temporal properties of the ultra-luminous X-ray pulsar in M82 from 15 years of Chandra observations and analysis of the pulsed emission using NuSTARMay 2, 2023A new sample of transient ultraluminous X-ray sources serendipitously discovered by Swift/XRTMar 11, 2011An XMM-Newton spectral survey of 12 micron selected galaxies. II. Implications for AGN selection and unificationNov 8, 2023The High Energy X-ray Probe (HEX-P): Sensitive broadband X-ray observations of transient phenomena in the 2030sDec 15, 2010An XMM-Newton spectral survey of 12 micron selected galaxies. I. X-ray dataDec 10, 2019Swift monitoring of M51: A 38-day super-orbital period for the pulsar ULX7 and a new transient ULXMar 6, 2018Magnetic field strength of a neutron-star-powered ultraluminous X-ray sourceJan 20, 2026Fast X-ray transients in NuSTAR dataMar 15, 2019Breaking the limit: Super-Eddington accretion onto black holes and neutron starsFeb 25, 2015Determining the covering factor of Compton-thick active galactic nuclei with NuSTAR