Publications

Papers

2014

Lobban A. Vaughan S. The Iron K Line Profile of IRAS 18325-5926, Monthly Notices of the Royal Astronomical Society, in press 2014

Alston W.A. Done C. Vaughan S. X-ray time delays in the Narrow Line Seyfert 1 galaxy PG 1244+026 Monthly Notices of the Royal Astronomical Society, in press 2014

Knevitt G, Wynn GA, Vaughan S, Watson MG. Black holes in short period x-ray binaries and the transition to radiatively inefficient accretion. Monthly Notices of the Royal Astronomical Society 437(4):3087-3102 Feb 2014 (Journal article) DOI

2013

Alston WN, Vaughan S, Uttley P. The flux-dependent X-ray time lags in NGC 4051. Monthly Notices of the Royal Astronomical Society 435(2):1511-1519 21 Oct 2013 (Journal article) DOI

Huppenkothen D, Watts AL, Uttley P, van der Horst AJ, van der Klis M, Kouveliotou C, Göğüş E, Granot J, Vaughan S, Finger MH. Quasi-periodic oscillations and broadband variability in short magnetar bursts. The Astrophysical Journal 768(1):87-87 01 May 2013 (Journal article) DOI

Edelson R, Mushotzky R, Vaughan S, Scargle J, Gandhi P, Malkan M, Baumgartner W. Kepler observations of rapid optical variability in the BL Lac object W2R1926+42. The Astrophysical Journal 766(1):16-16 20 Mar 2013 (Journal article) DOI

Alston WN, Vaughan S, Uttley P. Ultraviolet and X-ray variability of NGC 4051 over 45 days with XMM-Newton and Swift. Monthly Notices of the Royal Astronomical Society 429(1):75-84 11 Feb 2013 (Journal article) DOI

2012

González-Martín O, Vaughan S. X-ray variability of 104 active galactic nuclei. XMM-Newton power-spectrum density profiles. Astronomy & Astrophysics 544:A80-A80 Aug 2012 (Journal article) DOI

Pounds KA, Vaughan S. An extended XMM-Newton observation of the Seyfert galaxy NGC 4051 - III. Fe K emission and absorption. Monthly Notices of the Royal Astronomical Society 423(1):165-175 11 Jun 2012 (Journal article) DOI

Heil LM, Vaughan S, Uttley P. The ubiquity of the rms-flux relation in black hole X-ray binaries. Monthly Notices of the Royal Astronomical Society 422(3):2620-2631 21 May 2012 (Journal article) DOI

Barret D, Vaughan S. Maximum Likelihood Fitting of X-ray Power Density Spectra: Application to High-frequency Quasi-periodic Oscillations from the Neutron Star X-ray Binary 4U1608-522. The Astrophysical Journal 746(2):131-131 20 Feb 2012 (Journal article) DOI

2011

Feroci M, Campana R, Costa E, de Rosa A, Del Monte E, Di Cosimo S, Donnarumma I, Evangelista Y, Muleri F, Rapisarda M, et al.. The Large Observatory for X-ray Timing (LOFT). Experimental Astronomy 34(2):415-444 Oct 2012 (Journal article) DOI

Pounds KA, Vaughan S. An extended XMM-Newton observation of the Seyfert galaxy NGC 4051. I. Evidence for a shocked outflow. Monthly Notices of the Royal Astronomical Society 413(2):1251-1263 11 May 2011 (Journal article) DOI

Pounds KA, Vaughan S. An extended XMM-Newton observation of the Seyfert galaxy NGC 4051. II. Soft X-ray emission from a limb-brightened shell of post-shock gas. Monthly Notices of the Royal Astronomical Society 415(3):2379-2387 11 Aug 2011 (Journal article) DOI

Vaughan S, Bailey RJ, Smith DG. Detecting cycles in stratigraphic data: spectral analysis in the presence of red noise. Paleoceanography 26(4):n/a-n/a Dec 2011 (Journal article) DOI

Vaughan S, Uttley P, Pounds KA, Nandra K, Strohmayer TE. The rapid X-ray variability of NGC 4051. Monthly Notices of the Royal Astronomical Society 413(4):2489-2499 01 Jun 2011 (Journal article) DOI

2010

Vaughan S. A Bayesian test for periodic signals in red noise. Monthly Notices of the Royal Astronomical Society 402(1):307-320 11 Feb 2010 (Journal article) DOI

Heil LM, Vaughan S, Uttley P. Quasi-periodic oscillations in XTE J1550-564: the rms-flux relation. Monthly Notices of the Royal Astronomical Society: Letters 411(1):L66-L70 11 Feb 2011 (Journal article) DOI

Heil LM, Vaughan S. The linear rms-flux relation in an ultraluminous X-ray source. Monthly Notices of the Royal Astronomical Society: Letters 405(1):L86-L89 06 Apr 2010 (Journal article) DOI

Roberts TP, Gladstone JC, Done C, Hetf LM, Vaughan SA. The ultraluminous state. AIP Conference Proceedings 1248:123-126 2010 (Journal article) DOI

2009

Markowitz A, Reeves JN, George IM, Braito V, Smith R, Vaughan S, Arévalo P, Tombesi F. A Comprehensive X-ray Spectral Analysis of the Seyfert 1.5 NGC 3227. The Astrophysical Journal 691(2):922-945 01 Feb 2009 (Journal article) DOI

Heil LM, Vaughan S, Roberts TP. A Systematic Study of Variability in a Sample of Ultraluminous X-ray Sources. Monthly Notices of the Royal Astronomical Society 397(2):1061-1072 01 Aug 2009 (Journal article) DOI

Miniutti G, Panessa F, De Rosa A, Fabian AC, Malizia A, Molina M, Miller JM, Vaughan S. An intermediate black hole spin in the NLS1 galaxy SWIFT J2127.4+5654: chaotic accretion or spin energy extraction?. Monthly Notices of the Royal Astronomical Society 398(1):255-262 01 Sep 2009 (Journal article) DOI

2008

Vaughan S, Uttley P. On the evidence for narrow, relativistically shifted X-ray lines. Monthly Notices of the Royal Astronomical Society 390(1):421-428 11 Oct 2008 (Journal article) DOI

Hurkett CP, Vaughan S, Osborne JP, O'Brien PT, Page KL, Beardmore A, Godet O, Burrows DN, Capalbi M, Evans P, et al..Line Searches in Swift X-Ray Spectra. ASTROPHYSICAL JOURNAL 679(1):587-606 20 May 2008 (Journal article) DOI

2007

Smith R, Vaughan S. X-ray and optical variability of Seyfert 1 galaxies as observed with XMM-Newton. Monthly Notices of the Royal Astronomical Society 375(4):1479-1487 05 Feb 2007 (Journal article) DOI

Vaughan S, Uttley P. Studying accreting black holes and neutron stars with time series: beyond the power spectrum. PROCEEDINGS- SPIE THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING 6603 Article number 6603 14 2007 (Journal article) DOI

2006

O'Brien PT, Willingale R, Osborne J, Goad MR, Page KL, Vaughan S, Rol E, Beardmore A, Godet O, Hurkett CP, et al.. The early X-ray emission from GRBs. ASTROPHYSICAL JOURNAL 647(2):1213-1237 20 Aug 2006 (Journal article) DOI

Pounds K, Vaughan S. X-ray reflection in the nearby Seyfert 2 galaxy NGC 1068. Monthly Notices of the Royal Astronomical Society 368(2):707-714 11 May 2006 (Journal article) DOI

Vaughan S, Goad MR, Beardmore AP, O'Brien PT, Osborne JP, Page KL, Barthelmy SD, Burrows DN, Campana S, Cannizzo JK, et al.. Swift observations of the X-ray bright GRB 050315. ASTROPHYSICAL JOURNAL 638(2):920-929 20 Feb 2006 (Journal article) DOI

Watson D, Vaughan SA, Willingale R, Hjorth J, Foley S, Fynbo JP, Jakobsson P, Levan A, O'Brien PT, Osborne JP. The Soft X-ray Blast in the Apparently Subluminous GRB 031203. Astrophysical Journal 636(1):967-970 2006 (Journal article)

2005

Barthelmy SD, Chincarini G, Burrows DN, Gehrels N, Covino S, Moretti A, Romano P, O'Brien PT, Sarazin CL, Kouveliotou C, et al.. An origin for short g-ray bursts unassociated with current star formation. NATURE 438(7070):994-996 15 Dec 2005 (Journal article) DOI

Vaughan S, Fabian AC, Iwasawa K. Rapid x-ray variability of Seyfert 1 galaxies. Astrophysics and Space Science 300(01-Mar):119-125 11 Nov 2005 (Journal article)

Vaughan S, Uttley P. Where are the x-ray quasi-periodic oscillations in active galaxies?. Monthly Notices of the Royal Astronomical Society 362(1):235-244 09 Sep 2005 (Journal article)

Uttley P, McHardy IM, Vaughan S. Non linear x-ray variability in x-ray binaries and active galaxies. Monthly Notices of the Royal Astronomical Society 359(1):345-362 05 May 2005 (Journal article)

Vaughan S. A simple test for periodic signals in red noise. Astronomy and Astrophysics 431(1):391-403 Feb 2005 (Journal article) DOI

Vaughan S, Willingale R, Romano P, Osborne JP, Goad MR, Beardmore AP, Burrows DN, Campana S, Chincarini G, Covino S, et al.. The Dust-Scattered X-ray Halo around Swift GRB 050724. ASTROPHYSICAL JOURNAL 639(1):323-330 01 Mar 2006 (Journal article) DOI

Vaughan S, Iwasawa K, Fabian AC, Hayashida K. The excepitonal x-ray variability of the dwarf Seyfert nucleus NGC 4395. Monthly Notices of the Royal Astronomical Society 356(2):524-530 01 Jan 2005 (Journal article)

2004

Gallo LC, Boller HT, Brandt WN, Fabian AC, Vaughan S. The narrow-line quasar NAB 0205+024 observed with XMM Newton. Pacific Accounting Review 355:330-335 12 Dec 2004 (Journal article)

Vaughan S, Willingale R, O'Brien PT, Osborne JP, Reeves JN, Levan AJ, Watson MG, Tedds JA, Watson D, Santos-Lleo M, et al.. The discovery of an evolving dust scattering X-ray halo around GRB 031203. ASTROPHYSICAL JOURNAL 603(1):L5-L8 01 Mar 2004 (Journal article)

Gallo LC, Tanaka Y, Boller T, Fabian AC, Vaughan S, Brandt WN. Long-term spectral changes in the partial covring candidate narrow line Seyfert 1 galaxy 1H 0707-495. Monthly Notices of the Royal Astronomical Society 353(4):1064-1070 10 Oct 2004 (Journal article)

Fabian AC, Miniutti G, Gallo L, Boller T, Tanaka Y, Vaughan S, Ross RR. X-ray reflection in the narrow-line Seyfert 1 galaxy1H 0707-495. Monthly Notices of the Royal Astronomical Society 353(4):1071-1077 10 Oct 2004 (Journal article)

Turner AK, Fabian AC, Lee JC, Vaughan S. The soft X-ray absorption lines of the Seyfert 1 galaxy MCG-6-30-15. Monthly Notices of the Royal Astronomical Society 353:319-328 09 Sep 2004 (Journal article)

Vaughan S, Fabian AC, Ballantyne DR, De Rosa A, Piro L, Matt G. An XMM-Newton observation of Ark 120: the X-ray spectrum of a 'bare' Seyfert 1 nucleus. Monthly Notices of the Royal Astronomical Society 351:193-205 06 Jun 2004 (Journal article)

Watson D, Hjorth J, Levan A, Jakobsson P, O'Brien PT, Osborne JP, Pedersen K, Reeves JN, Tedds JA, Vaughan SA, et al.. A Very Low Luminosity X-Ray Flash: XMM-Newton Observations of GRB 031203. ASTROPHYSICAL JOURNAL 605(2):L101-L104 20 Apr 2004 (Journal article)

Gallo LC, Boller T, Brandt WN, Fabian AC, Vaughan S. I Zw 1 observed with XMm Newton. Low energy spectral complexity, iron lines and hard x-ray flares. Astronomy and Astrophysics 417:29-38 04 Apr 2004 (Journal article)

Vaughan S, Fabian AC. A long hard look at MCG-6-30-15 with XMM Newton-II. Detailed EPIC analysis and modelling. Monthly Notices of the Royal Astronomical Society 348(4):1415-1438 03 Mar 2004 (Journal article)

Vaughan S, Edelson R, Warwick RS. Chandra observations of five X-ray transient galactic nuclei. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 349(1):L1-L5 21 Mar 2004 (Journal article)

Vignali C, Brandt WN, Boller T, Fabian AC, Vaughan S. Arakelian 564: an XMM Newton view. Monthly Notices of the Royal Astronomical Society 347:860 2004 (Journal article)

2003

Turner AK, Fabian AC, Vaughan S, Lee JC. A softer look at MCG-6-30-15 with XMm Newton. Monthly Notices of the Royal Astronomical Society 346(3):833-840 12 Dec 2003 (Journal article)

Markowitz A, Edelson R, Vaughan S. Long term x-ray spectral variability in Seyfert 1 galaxies. Astrophysical Journal 598(2):935-955 12 Dec 2003 (Journal article)

Vaughan S, Edelson R, Warwick RS, Uttley P. On characterising the variability properties of X-ray light curves from active galaxies. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 345(4):1271-1284 11 Nov 2003 (Journal article) DOI

Boller T, Tanaka Y, Fabian A, Brandt WN, Gallo L, Anabuki N, Haba Y, Vaughan S. XMM Newton spectral properties of the narrow-line Seyfert 1 galaxy IRAS 13224-3809. Monthly Notices of the Royal Astronomical Society 343(4):L89-L93 08 Aug 2003 (Journal article)

Markowitz A, Edelson R, Vaughan S, Uttley P, George IM, Griffiths RE, Kaspi S, Lawrence A, McHardy I, Nandra K, et al.. X-ray fluctuation power spectral densities of Seyfert 1 galaxies. ASTROPHYSICAL JOURNAL 593(1):96-114 10 Aug 2003 (Journal article) DOI

Ballantyne DR, Vaughan S, Fabian AC. A two component ionized reflection model of MCG-6-30-15. Monthly Notices of the Royal Astronomical Society 342(1):239-248 06 Jun 2003 (Journal article)

Vaughan S, Fabian AC. The high frequency power spectrum of Markarian 766. Monthly Notices of the Royal Astronomical Society 341(2):496-500 05 May 2003 (Journal article)

Fabian AC, Vaughan S. The iron line in MCG-6-30-15 from XMM Newton: evidence for gravitational light bending?. Monthly Notices of the Royal Astronomical Society 340(3):L28-L32 04 Apr 2003 (Journal article)

Vaughan S, Fabian AC, Nandra K. X-ray continuum variability of MCG-6-30-15. Monthly Notices of the Royal Astronomical Society 339(4):1237-1255 11 Mar 2003 (Journal article) DOI

Marshall HL, Edelson RA, Vaughan S, Malkan M, O'Brien P, Warwick R. The Remarkably Featureless High Resolution X-ray Spectrum of Mrk 478. ASTRONOMICAL JOURNAL 125(2):459-464 01 Feb 2003 (Journal article) DOI

2002

Vaughan S, Boller T, Fabian AC, Ballantyne DR, Brandt WN, Trumlper J. An XMM Newton observation of Ton S180: constraints on the continuum emission in ultrasoft Seyfert galaxies. Monthly Notices of the Royal Astronomical Society337(1):247-255 11 Nov 2002 (Journal article)

Fabian AC, Vaughan S, Nandra K, Iwasawa K, Ballantyne DR, Lee JC, De Rosa A, Turner A, Young AJ. A long hard look at MCG-6-30-15 with XMM Newton. Monthly Notices of the Royal Astronomical Society335(1):L1-L5 Sep 2002 (Journal article) DOI

Fabian AC, Ballantyne DR, Merloni A, Vaughan S, Iwasawa K, Boller T. How the X-ray spectrum of a narrow line Seyfert 1 galaxy may be reflection dominated. Monthly Notices of the Royal Astronomical Society441(3):L35-L39 04 Apr 2002 (Journal article)

Edelson R, Turner TJ, Pounds K, Vaughan S, Markowitz A, Marshall H, Dobbie P, Warwick R. X-Ray Spectral Variability and Rapid Variability of the Soft X-Ray Spectrum Seyfert 1 Galaxies Arakelian 564 and Ton S180. ASTROPHYSICAL JOURNAL568(2):610-626 01 Apr 2002 (Journal article) DOI

Boller T, Fabian AC, Sunyaeve R, Trumper J, Vaughan S, Ballantyne DR, Brandt WN, Keil R, Iwasawa K. XMM Newton discovery of a sharp spectral feature at ~7 keV in the narrow-line Seyfert 1 galaxy 1H 0707-49. Monthly Notices of the Royal Astronomical Society 329(1):L1-L5 01 Jan 2002 (Journal article)

2001

Vaughan S, Edelson R, Warwick RS, Malkan MA, Goad MR. A complete sample of Seyfert galaxies selected at 0.25 keV. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 327(2):673-688 21 Oct 2001 (Journal article) DOI

Vaughan S. Properties of Soft X-ray Bright Active Galactic Nuclei. Thesis type: PhD Thesis. University of Leicester, 07 Jul 2001 (Thesis / Dissertation)

Pounds K, Edelson R, Markowitz A, Vaughan S. X-ray Power Density Spectrum of the Narrow-Line Seyfert 1 Galaxy Arakelian 564. Astrophysical Journal 550(1):L15-L18 03 Mar 2001 (Journal article)

Vaughan S, Edelson R. Evidence for Rapid Iron K-alpha Line flux variability in MCG-6-30-15. Astrophysical Journal 548(2):694-702 02 Feb 2001 (Journal article)

2000

Edelson R, Koratkar A, Nandra K, Goad M, Peterson BM, Collier S, Krolik J, Malkan M, Maoz D, O'Brien P, et al.. Intensive HST, RXTE, and ASCA Monitoring of NGC 3516: Evidence against Thermal Reprocessing. ASTROPHYSICAL JOURNAL534(1):180-188 01 May 2000 (Journal article) DOI

Reeves JN, O'Brien PT, Vaughan S, Law-Green D, Ward M, Simpson C, Pounds KA, Edelson R. PDS 456: an extreme accretion rate quasar?. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 312(2):L17-L21 21 Feb 2000 (Journal article) DOI

1999

Vaughan S, Pounds KA, Reeves J, Warwick R, Edelson R. Evidence for an ionized disc in the narrow-line Seyfert 1 galaxy Ark 564. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 308(4):L34-L38 01 Oct 1999 (Journal article) DOI

Vaughan S, Reeves J, Warwick R, Edelson R. X-ray spectral complexity in narrow-line Seyfert 1 galaxies. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 309(1):113-124 11 Oct 1999 (Journal article) DOI

Edelson R, Vaughan S, Warwick R, Puchnarewicz E, George I. The ROSAT Wide Field Camera Extragalactic Survey. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY307(1):91-98 21 Jul 1999 (Journal article) DOI

Books

Vaughan S. Scientific Inference: Learning from Data, Cambridge University Press (Cambridge, UK), 2013 [ISBN: 9781107607590]