Simon Vaughan

Refereed papers


  1. Random time series in astronomy (PDF)
    Vaughan S., 2012, Philosophical Transactions of the Royal Society A, in press
  2. An extended XMM-Newton observation of the Seyfert galaxy NGC 4051 - III. FeK emission and absorption (arXiv, ADS)
    Pounds K. A., Vaughan S., 2012, MNRAS, in press
  3. The Ubiquity of the rms-flux relation in Black Hole X-ray Binaries (arXiv, ADS)
    Heil L. M., Vaughan S., Uttley P., 2012, MNRAS, in press
  4. 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 (arXiv, ADS)
    Barret D., Vaughan S., 2012, ApJ, 746, 131
  5. Detecting cycles in stratigraphic data: spectral analysis in the presence of red noise (ADS)
    Vaughan S., Bailey R. J., Smith D. G., 2011, Paleoceanography, 26, PA4211, doi:10.1029/2011PA002195
  6. 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 (arXiv, ADS)
    Pounds K. A., Vaughan S., 2011, MNRAS, in press
  7. The rapid X-ray variability of NGC 4051 (arXiv, ADS)
    Vaughan S., Uttley P., Pounds K. A., Nandra K., Strohmayer T. E., 2011, MNRAS, 413, 2489
  8. An extended XMM-Newton observation of the Seyfert galaxy NGC 4051. I. Evidence for a shocked outflow (arXiv, ADS)
    Pounds K. A., Vaughan S., 2011, MNRAS, 413, 1251
  9. Quasi-periodic Oscillations in XTE J1550-564: The rms-flux relation (arXiv, ADS)
    Heil L. M., Vaughan S., Uttley P., 2011, MNRAS, 411, L66
  10. The linear rms-flux relation in an Ultraluminous X-ray Source (arXiv, ADS)
    Heil L. M., Vaughan S., 2010, MNRAS, 405, L86
  11. A Bayesian test for periodic signals in red noise (arXiv, ADS)
    Vaughan S., 2010, MNRAS, 402, 307
    [Correction: last page, 2nd column: "random phases...over the range [-pi, +pi)..."]
  12. An intermediate black hole spin in the NLS1 galaxy SWIFT J2127.4+5654: chaotic accretion or spin energy extraction? (arXiv, ADS)
    Miniutti G., Panessa F., De Rosa A., Fabian A. C., Malizia A., Molina M., Miller J. M., Vaughan S., 2009, MNRAS, 398, 255
  13. A Systematic Study of Variability in a Sample of Ultraluminous X-ray Sources (arXiv, ADS)
    Heil L. M., Vaughan S., Roberts T. P., 2009, MNRAS, 397, 1061
  14. A Comprehensive X-ray Spectral Analysis of the Seyfert 1.5 NGC 3227 (arXiv, ADS)
    Markowitz A., Reeves J. N., George I. M., Braito V., Smith R., Vaughan S., Arevalo P., Tombesi F., 2009, ApJ, 691, 922
  15. On the evidence for narrow, relativistically shifted X-ray lines (arXiv, ADS)
    Vaughan S. Uttley P., 2008, MNRAS, 390, 421
  16. Line Searches in Swift X-ray Spectra (arXiv, ADS)
    Hurkett, C. P., Vaughan S., Osborne, J. P., O'Brien, P. T., Page, K. L., Beardmore, A., Godet, O., Burrows, D. N., Capalbi, M., Evans, P., Gehrels, N., Goad, M. R., Hill, J. E., Kennea, J., Mineo, T., Perri, M., Starling, R. 2008, ApJ, 679, 587
  17. Studying accreting black holes and neutron stars with time series: beyond the power spectrum (arXiv, ADS)
    Vaughan S. Uttley P., 2007, SPIE, vol 6603, 660314
  18. X-ray and optical variability of Seyfert 1 galaxies as observed with XMM-Newton (arXiv, ADS)
    Smith R., Vaughan S. 2007, MNRAS, 375, 1479
  19. X-ray reflection in the nearby Seyfert 2 galaxy NGC 1068 (arXiv, ADS)
    Pounds K. A. Vaughan S. 2006, MNRAS, 368, 707
  20. The early X-ray emission from GRBs (arXiv, ADS)
    O'Brien P. T., Willingale R., Osborne J. P., Goad M. R., Page K. L., Vaughan S., Rol E., Beardmore A., Godet O., Hurkett C., Wells A., Zhang B., Kobayashi S., Burrows D. N., Nousek J. A., Kennea J. A., Falcone A., Grupe D., Gehrels N., Barthelmy S., Cannizzo J., Cummings J., Hill J., Krimm H., Chincarini G., Tagliaferri G., Campana S., Moretti A., Giommi P., Perri M., Mangano V., LaParola V., 2006, ApJ, 657, 1213
  21. The dust-scattered X-ray halo around Swift GRB 050724 (arXiv, ADS)
    Vaughan, S, Willingale R., Romano P., Osborne J. P., Goad M. R., Beardmore A. P., Burrows D. N., Campana S., Chincarini G., Covino S., Moretti A., O'Brien P. T., Page K. L., Supper M. A., Tagliaferri G., 2006, ApJ, 639, 323
  22. Swift observations of the X-ray bright GRB 050315 (arXiv, ADS)
    Vaughan, S, Goad M. R., Beardmore A. P., O'Brien P. T., Osborne J. P., Page K. L., Barthelmy S. D., Burrows D. N., Campana S., Cannizzo J. K., Capalbi M., Chincarini G., Cummings J. R., Cusumano G., Giommi P., Godet O., Hill J. E., Kobayashi S., Kumar P., La Parola ,V. Levan A., Mangano V., Meszaros P., Moretti A., Morris D. C., Nousek J. A., Pagani C., Palmer D. M., Racusin J. L., Romano P., Tagliaferri G., Zhang B., Gehrels N., 2006, ApJ, 638, 920
  23. The soft X-ray blast in the apparently sub-luminous GRB 031203 (arXiv, ADS)
    Watson D., Vaughan S., Willingale R., Hjorth J., Foley S., Fynbo J. P. U., Jakobsson P., Levan A., O'Brien P. T., Osborne J. P., Pedersen K., Reeves J. N., Tedds J. A., Watson M. G., 2006, ApJ, 636, 967
  24. Discovery of an Afterglow Extension of the Prompt Phase of Two Gamma Ray Bursts Observed by Swift (arXiv, ADS)
    Barthelmy S. D., Cannizzo J. K., Gehrels N., Cusumano G., Mangano V., O'Brien P. T., Vaughan S., Zhang B., Burrows D. N., Campana S., Chincarini G, Goad M. R., Kouveliotou C., Kumar P., Meszaros P., Nousek J. A., Osborne J. P., Panaitescu A., Reeves J. N., Sakamoto T., Tagliaferri G., Wijers R. A. M. J., 2005, ApJ, 635, L133
  25. An origin for short gamma-ray bursts not associated with current star formation (arXiv, ADS)
    Barthelmy S. D., Chincarini G., Burrows D. N., Gehrels N., Covino S., Moretti A., Romano P., O'Brien P. T., Sarazin C. L., Kouveliotou C., Goad M. R., Vaughan, S, Tagliaferri G., Zhang B., Antonelli L. A., Campana S., Cummings J. R., D'Avanzo P., Davies M. B., Giommi P., Grupe D., Kaneko Y., Kennea J. A., King A. R., Kobayashi S., Melandri A., Meszaros P., Nousek J. A., Patel S., Sakamoto T., Wijers R. A. M. J., 2005, Nature, 438 994
  26. Where are the X-ray QPOs in active galaxies? (arXiv, ADS)
    Vaughan S., Uttley P., 2005, MNRAS, 362, 235
  27. Non-linear X-ray variability in X-ray binaries and active galaxies (arXiv, ADS)
    Uttley P., McHardy I. M., Vaughan S., 2005, MNRAS, 359, 345
  28. A simple test for periodic signals in red noise (arXiv, ADS)
    Vaughan S., 2005, A&A, 431, 391
  29. The exceptional X-ray variability of the dwarf Seyfert nucleus NGC 4395 (arXiv, ADS)
    Vaughan S., Iwasawa K., Fabian A. C., Hayashida K., 2005, MNRAS, 356, 524
  30. Long-term spectral changes in the partial-covering candidate narrow-line Seyfert 1 galaxy 1H 0707-495 (arXiv, ADS)
    Gallo L. C., Tanaka Y., Boller Th., Fabian A. C., Vaughan S., Brandt W. N., 2004, MNRAS, 353, 1064
  31. The narrow-line quasar NAB 0205+024 observed with XMM-Newton (arXiv, ADS)
    Gallo L. C., Boller Th., Brandt W. N., Fabian A. C., Vaughan S., 2004, MNRAS, 355, 330
  32. The soft X-ray absorption lines of the Seyfert 1 galaxy MCG-6-30-15 (arXiv, ADS)
    Turner A. K., Fabian A. C., Lee J. C., Vaughan S., 2004, MNRAS, 353, 319
  33. X-ray reflection in the NLS1 1H 0707-495 (arXiv, ADS)
    Fabian A. C., Miniutti G., Gallo L., Boller Th., Tanaka Y., Vaughan S., Ross R. R., 2004, MNRAS, 353, 1071
  34. A very low luminosity X-ray flash: XMM-Newton observations of GRB 031203 (arXiv, ADS)
    Watson D., Hjorth J., Levan A., Jokobsson P., O'Brien P. T., Osborne J. P., Pedersen K., Reeves J. N., Tedds J. A., Vaughan S., Ward M. J., Willingale R., 2004, ApJ, 605, L101
  35. An XMM-Newton observation of Ark 120: the X- ray spectrum of a `bare' Seyfert 1 nucleus ADS)
    Vaughan S., Fabian A. C., Ballantyne D. R., De Rosa A., Piro L., Matt G., 2004, MNRAS, 351, 193
  36. The discovery of an evolving dust scattered X-ray halo around GRB 031203 (arXiv, ADS)
    Vaughan S., Willingale R., O'Brien P. T., Osborne J. P., Reeves J. N., Levan A. J., Watson M. G., Tedds J. A., Watson D., Santos-Lleo M., Rodriguez-Pascual P. M., Schartel N., 2004, ApJ, 603, L5
  37. Chandra observations of five X-ray transient galactic nuclei (arXiv, ADS)
    Vaughan S., Edelson R., Warwick R. S., 2004, MNRAS, 349, L1
  38. I Zw 1 observed with XMM-Newton: Low-energy spectral complexity, iron lines, and hard X-ray flares (arXiv, ADS)
    Gallo L. C., Boller Th., Brandt W. N., Fabian A. C., Vaughan S., 2004, A&A, 417, 29
  39. A long, hard look at MCG-6-30-15 with XMM-Newton II: detailed EPIC analysis and modelling (arXiv, ADS )
    Vaughan S., Fabian A. C., 2004, MNRAS, 348, 1415
  40. Arakelian 564: an XMM-Newton view (arXiv, ADS)
    Vignali C., Brandt W. N., Boller Th., Fabian A. C., Vaughan S., 2004, MNRAS, 347, 854
  41. A softer look at MCG-6-30-15 with XMM-Newton (arXiv, ADS )
    Turner A. K., Fabian A. C., Vaughan S., Lee J. C., 2003, MNRAS, 346, 833
  42. Long-term X-ray spectral variability in Seyfert 1 galaxies (arXiv, ADS )
    Markowitz A., Edelson R., Vaughan S., 2003, ApJ, 598, 935
  43. On characterising the variability properties of X-ray light curves from active galaxies (arXiv, ADS )
    Vaughan S., Edelson R., Warwick R. S., Uttley P., 2003, MNRAS, 345, 1271
  44. XMM-Newton spectral properties of the Narrow-Line Seyfert 1 galaxy IRAS 13224-3809 (arXiv, ADS )
    Boller Th., Tanaka Y., Fabian A. C., Brandt W. N., Galla L., Anabuki N., Haba Y., Vaughan S., 2003, MNRAS, 343, L89
  45. X-ray Fluctuation Power Spectral Densities of Seyfert 1 Galaxies (arXiv, ADS )
    Markowitz A., Edelson R., Vaughan S., Uttley P., George I. M., Griffiths R. E., Kaspi S., Lawrence A., McHardy I. M., Nandra K., Pounds K. A., Reeves J., Schurch N., Warwick R. S., 2003, ApJ, 593, 96
  46. A two-component ionized reflection model of MCG-6-30-15 (arXiv, ADS )
    Ballantyne D. R., Vaughan S., Fabian A. C., 2003, MNRAS, 342, 239
  47. The high frequency power spectrum of Markarian 766 (arXiv, ADS )
    Vaughan S., Fabian A. C., 2003, MNRAS, 341, 496
  48. The iron line in MCG-6-30-15 from XMM-Newton: evidence for gravitational light-bending? (arXiv, ADS )
    Fabian A. C., Vaughan S., 2003, MNRAS, 340, L28
  49. X-ray continuum variability of MCG-6-30-15 (arXiv, ADS )
    Vaughan S., Fabian A. C., Nandra K., 2003, MNRAS, 339, 1237
  50. The Remarkably Featureless High Resolution X-ray Spectrum of Mrk 478 (arXiv, ADS )
    Marshall H. L., Edelson R., Vaughan S., Malkan M. A., O'Brien P. T., Warwick R. S., 2003, AJ, 125, 459
  51. An XMM-Newton observation of Ton S180: Constraints on the continuum emission in ultrasoft Seyfert galaxies (arXiv, ADS )
    Vaughan S., Boller Th., Fabian A. C., Ballantyne D. R., Brandt W. N., Trumper J., 2002, MNRAS, 337, 247
  52. A long hard look at MCG-6-30-15 with XMM-Newton (arXiv, ADS )
    Fabian A. C., Vaughan S., Nandra K., Iwasawa K., Ballantyne D. R., Lee J. C., De Rosa A., Turner A., Young A. J., 2002 MNRAS, 335, L1
  53. How the spectrum of a narrow-line Seyfert 1 galaxy may be reflection dominated (arXiv, ADS )
    Fabian A. C., Ballantyne D. R., Merloni A., Vaughan S., Iwasawa K., Boller Th., MNRAS, 2002, 331, L35
  54. XMM-Newton discovery of a sharp spectral feature at ~7 keV in the Narrow-Line Seyfert 1 galaxy 1H 0707-495 (arXiv, ADS )
    Boller Th., Fabian A. C., Sunyaev R., Trumper J., Vaughan S., Ballantyne D. R., Brandt W. N., Keil R., Iwasawa K., 2002, MNRAS, 329, L1
  55. X-ray spectral variability and rapid variability of the soft X-ray spectrum Seyfert 1 galaxies Akn 564 and Ton S180 (arXiv, ADS )
    Edelson R., Turner T. J., Pounds K. A., Vaughan S., Markowitz A., Marshall H., Dobbie P., Warwick R. S., 2002, ApJ, 568, 610
  56. A complete sample of Seyfert galaxies selected at 1/4 keV (arXiv, ADS )
    Vaughan S., Edelson R., Warwick R. S., Malkan M. A., Goad M. R., 2001, MNRAS, 327, 673
    (The redshift of RE J1034+396 is given incorrectly in the published version of this paper but is correct in this electronic version.)
  57. X-ray Power Density Spectrum of the Narrow Line Seyfert 1 Galaxy Akn 564 (arXiv, ADS )
    Pounds K. A., Edelson R., Markowitz A., Vaughan S., ApJ, 2001, 550, L15
  58. Evidence for Rapid Iron K_alpha Line Flux Variability in MCG--6-30-15 (arXiv, ADS )
    Vaughan S., and Edelson R., 2001, ApJ, 548, 694
  59. Intensive HST, RXTE and ASCA monitoring of NGC 3516: Evidence against thermal reprocessing (arXiv, ADS )
    Edelson R., Koratkar A., Nandra K., Goad M. R., Peterson B. M., Collier S., A., Krolik J. H., Malkan M. A., Moaz D., O'Brien P. T., Shull M., Vaughan S., Warwick R. S., 2000, ApJ, 534, 180
  60. PDS 456: an Extreme Accretion Rate Quasar? (arXiv, ADS )
    Reeves J. N., O'Brien P. T., Vaughan S, Law-Green D., Ward M. J., Simpson C., Pounds K. A., Edelson R., 2000, MNRAS, 312, L17
  61. X-ray spectral complexity in narrow-line Seyfert 1 galaxies (arXiv, ADS )
    Vaughan S., Reeves J. N., Warwick R. S., Edelson R., 1999, MNRAS, 309, 113
  62. Evidence for an ionised disc in the narrow-line Seyfert 1 galaxy Ark 564 (arXiv, ADS )
    Vaughan S., Pounds K. A., Reeves J. N., Warwick R. S., Edelson R., 1999, MNRAS, 308, L34
  63. The ROSAT Wide Field Camera extragalactic survey (arXiv, ADS )
    Edelson R., Vaughan S., Warwick R. S., Puchnarewicz E. M., Goerge I. M., 1999, MNRAS, 307, 91