Tim Roberts
Tim Roberts
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Cited by
Cited by
Ultraluminous X-ray sources
P Kaaret, H Feng, TP Roberts
Annual Review of Astronomy and Astrophysics 55 (1), 303-341, 2017
The ultraluminous state
JC Gladstone, TP Roberts, C Done
Monthly Notices of the Royal Astronomical Society 397 (4), 1836-1851, 2009
A Chandra perspective on galaxy-wide X-ray binary emission and its correlation with star formation rate and stellar mass: new results from luminous infrared galaxies
BD Lehmer, DM Alexander, FE Bauer, WN Brandt, AD Goulding, ...
The Astrophysical Journal 724 (1), 559, 2010
XMM–Newton observations of the brightest ultraluminous X-ray sources
AM Stobbart, TP Roberts, J Wilms
Monthly Notices of the Royal Astronomical Society 368 (1), 397-413, 2006
A ROSAT High Resolution Imager survey of bright nearby galaxies
TP Roberts, RS Warwick
Monthly Notices of the Royal Astronomical Society 315 (1), 98-114, 2000
The ultraluminous state revisited: fractional variability and spectral shape as diagnostics of super-Eddington accretion
AD Sutton, TP Roberts, MJ Middleton
Monthly Notices of the Royal Astronomical Society 435 (2), 1758-1775, 2013
X-ray observations of ultraluminous X-ray sources
TP Roberts
Astrophysics and Space Science 311 (1), 203-212, 2007
2XMM ultraluminous X-ray source candidates in nearby galaxies
DJ Walton, TP Roberts, S Mateos, V Heard
Monthly Notices of the Royal Astronomical Society 416 (3), 1844-1861, 2011
Low-metallicity natal environments and black hole masses in ultraluminous X-ray sources
L Zampieri, TP Roberts
Monthly Notices of The Royal Astronomical Society 400 (2), 677-686, 2009
A spectral-timing model for ULXs in the supercritical regime
MJ Middleton, L Heil, F Pintore, DJ Walton, TP Roberts
Monthly Notices of the Royal Astronomical Society 447 (4), 3243-3263, 2015
The XMM-Newton Serendipitous Survey-I. The role of XMM-Newton Survey Science Centre
MG Watson, JL Augučres, J Ballet, X Barcons, D Barret, M Boer, T Boller, ...
Astronomy & Astrophysics 365 (1), L51-L59, 2001
The orbital period of the Wolf-Rayet binary IC 10 X-1: dynamic evidence that the compact object is a black hole
AH Prestwich, R Kilgard, PA Crowther, S Carpano, AMT Pollock, A Zezas, ...
The Astrophysical Journal 669 (1), L21, 2007
The most extreme ultraluminous X-ray sources: evidence for intermediate-mass black holes?
AD Sutton, TP Roberts, DJ Walton, JC Gladstone, AE Scott
Monthly Notices of the Royal Astronomical Society 423 (2), 1154-1177, 2012
The XMM-Newton serendipitous survey-II. First results from the AXIS high galactic latitude medium sensitivity survey
X Barcons, FJ Carrera, MG Watson, RG McMahon, B Aschenbach, ...
Astronomy & Astrophysics 382 (2), 522-536, 2002
Discovery of a 2.8 s pulsar in a 2 day orbit high-mass X-ray binary powering the ultraluminous X-ray source ULX-7 in M51
GAR Castillo, GL Israel, A Belfiore, F Bernardini, P Esposito, F Pintore, ...
The Astrophysical Journal 895 (1), 60, 2020
The discovery of weak coherent pulsations in the ultraluminous X-ray source NGC 1313 X-2
R Sathyaprakash, TP Roberts, DJ Walton, F Fuerst, M Bachetti, C Pinto, ...
Monthly Notices of the Royal Astronomical Society: Letters 488 (1), L35-L40, 2019
Ultra-luminous X-Ray sources in the most metal poor galaxies
AH Prestwich, M Tsantaki, A Zezas, F Jackson, TP Roberts, R Foltz, ...
The Astrophysical Journal 769 (2), 92, 2013
Bright radio emission from an ultraluminous stellar-mass microquasar in M 31
MJ Middleton, JCA Miller-Jones, S Markoff, R Fender, M Henze, ...
Nature 493 (7431), 187-190, 2013
XMM-Newton observations of NGC 253: Resolving the emission components in the disk and nuclear area
W Pietsch, TP Roberts, M Sako, MJ Freyberg, AM Read, KN Borozdin, ...
Astronomy & Astrophysics 365 (1), L174-L180, 2001
A systematic study of variability in a sample of ultraluminous X-ray sources
LM Heil, S Vaughan, TP Roberts
Monthly Notices of the Royal Astronomical Society 397 (2), 1061-1072, 2009
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