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dr. P. (Phil) Uttley

Faculty of Science
Anton Pannekoek Institute of Astronomy
Photographer: Dirk Gillissen

Visiting address
  • Science Park 904
  • Room number: C4.145
Postal address
  • Postbus 94249
    1090 GE Amsterdam
  • Biography

    Profile

    Phil Uttley is Associate Professor at the University of Amsterdam.  After completing his PhD at the University of Southampton in 2000, he held postdoctoral fellowships at NASA’s Goddard Space Flight Center and the University of Amsterdam, before returning to Southampton as Assistant Professor, on an STFC Advanced Fellowship, in 2007.  Phil joined the Faculty of the Anton Pannekoek Institute in 2011.  Phil uses X-ray variability to understand accreting black hole systems, from the stellar mass X-ray binaries, to supermassive black holes in active galactic nuclei, publishing more than 130 papers in this area to date.

    Research and Teaching

    Phil’s current research focuses on developing new methods and models to understand the structure of the innermost regions of accreting black hole systems.  He has pioneered the ‘X-ray reverberation mapping’ of the innermost regions of accreting black holes using the echo of the varying X-ray signal off of the accreting structures.  Phil is closely involved in new X-ray observatory concepts and co-chairs the Strong Field Gravity Working Group for the proposed Enhanced X-ray Timing and Polarimetry (eXTP) mission.  Phil’s teaching and research topics are closely linked: he teaches the Masters courses on Accretion on to Compact Objects, and Statistical Methods.

    Keywords

    Black holes, accretion, time-series methods, X-ray astronomy.

  • Publications

    2018

    • Aranzana, E., Körding, E., Uttley, P., Scaringi, S., & Bloemen, S. (2018). Short time-scale optical variability properties of the largest AGN sample observed with Kepler/K2. Monthly Notices of the Royal Astronomical Society, 476(2), 2501-2515. https://doi.org/10.1093/mnras/sty413 [details]
    • Baldi, R. D., Williams, D. R. A., McHardy, I. M., Beswick, R. J., Argo, M. K., Dullo, B. T., ... Westcott, J. (2018). LeMMINGs. - I: The eMERLIN legacy survey of nearby galaxies. 1.5-GHz parsec-scale radio structures and cores. Monthly Notices of the Royal Astronomical Society, 476(3), 3478-3522. https://doi.org/10.1093/mnras/sty342 [details]
    • Buisson, D. J. K., Lohfink, A. M., Alston, W. N., Cackett, E. M., Chiang, C-Y., Dauser, T., ... Wilkins, D. R. (2018). Is there a UV/X-ray connection in IRAS 13224-3809? Monthly Notices of the Royal Astronomical Society, 475(2), 2306-2313. https://doi.org/10.1093/mnras/sty008 [details]
    • Bult, P., Arzoumanian, Z., Cackett, E. M., Chakrabarty, D., Gendreau, K. C., Guillot, S., ... Uttley, P. (2018). A NICER Look at the Aql X-1 Hard State. Astrophysical Journal Letters, 859(1), [L1]. https://doi.org/10.3847/2041-8213/aac2e2 [details]
    • Gardenier, D. W., & Uttley, P. (2018). A model-independent comparison of the variability of accreting neutron stars and black holes. Monthly Notices of the Royal Astronomical Society, 481(3), 3761-3781. https://doi.org/10.1093/mnras/sty2524 [details]
    • Malzac, J., Kalamkar, M., Vincentelli, F., Vue, A., Drappeau, S., Belmont, R., ... Uttley, P. (2018). A jet model for the fast IR variability of the black hole X-ray binary GX 339-4. Monthly Notices of the Royal Astronomical Society, 480(2), 2054-2071. https://doi.org/10.1093/mnras/sty2006 [details]
    • McHardy, I. M., Connolly, S. D., Horne, K., Cackett, E. M., Gelbord, J., Peterson, B. M., ... Ward, M. J. (2018). X-ray/UV/optical variability of NGC 4593 with Swift: reprocessing of X-rays by an extended reprocessor. Monthly Notices of the Royal Astronomical Society, 480(3), 2881-2897. https://doi.org/10.1093/mnras/sty1983 [details]
    • Stevens, A. L., Uttley, P., Altamirano, D., Arzoumanian, Z., Bult, P., Cackett, E. M., ... van den Eijnden, J. (2018). A NICER Discovery of a Low-frequency Quasi-periodic Oscillation in the Soft-intermediate State of MAXI J1535–571. Astrophysical Journal Letters, 865(2), [L15]. https://doi.org/10.3847/2041-8213/aae1a4 [details]
    • Vincentelli, F. M., Casella, P., Maccarone, T. J., Uttley, P., Gandhi, P., Belloni, T., ... O'Brien, K. (2018). Characterization of the infrared/X-ray subsecond variability for the black hole transient GX 339-4. Monthly Notices of the Royal Astronomical Society, 477(4), 4524-4533. https://doi.org/10.1093/mnras/sty710 [details]

    2017

    • Fabian, A. C., Alston, W. N., Cackett, E. M., Kara, E., Uttley, P., & Wilkins, D. R. (2017). Future of X-ray reverberation from AGN. Astronomische Nachrichten, 338(2), 269-273. https://doi.org/10.1002/asna.201713341 [details]
    • Ingram, A., van der Klis, M., Middleton, M., Altamirano, D., & Uttley, P. (2017). Tomographic reflection modelling of quasi-periodic oscillations in the black hole binary H 1743-322. Monthly Notices of the Royal Astronomical Society, 464(3), 2979-2991. https://doi.org/10.1093/mnras/stw2581 [details]
    • Mathur, S., Gupta, A., Page, K., Pogge, R. W., Krongold, Y., Goad, M. R., ... Zu, Y. (2017). Space Telescope and Optical Reverberation Mapping Project. VII. Understanding the Ultraviolet Anomaly in NGC 5548 with X-Ray Spectroscopy. Astrophysical Journal, 846(1), 55. https://doi.org/10.3847/1538-4357/aa832b
    • Middleton, M. J., Casella, P., Gandhi, P., Bozzo, E., Anderson, G., Degenaar, N., ... Woudt, P. (2017). Paving the way to simultaneous multi-wavelength astronomy. New Astronomy Reviews, 79, 26-48. https://doi.org/10.1016/j.newar.2017.07.002 [details]
    • Parker, M. L., Pinto, C., Fabian, A. C., Lohfink, A., Buisson, D. J. K., Alston, W. N., ... Zoghbi, A. (2017). The response of relativistic outflowing gas to the inner accretion disk of a black hole. Nature, 543(7643), 83-86. https://doi.org/10.1038/nature21385 [details]
    • Pei, L., Fausnaugh, M. M., Barth, A. J., Peterson, B. M., Bentz, M. C., De Rosa, G., ... Zu, Y. (2017). Space Telescope and Optical Reverberation Mapping Project. V. Optical Spectroscopic Campaign and Emission-line Analysis for NGC 5548. Astrophysical Journal, 837(2), 131. https://doi.org/10.3847/1538-4357/aa5eb1
    • Starkey, D., Horne, K., Fausnaugh, M. M., Peterson, B. M., Bentz, M. C., Kochanek, C. S., ... Zu, Y. (2017). Space Telescope and Optical Reverberation Mapping Project.VI. Reverberating Disk Models for NGC 5548. Astrophysical Journal, 835(1), 65. https://doi.org/10.3847/1538-4357/835/1/65
    • Uttley, P., McHardy, I. M., & Vaughan, S. (2017). The rms-flux relation in accreting objects: not a simple "volume control": A response to Koen 2016. Astronomy & Astrophysics, 601, [L1]. https://doi.org/10.1051/0004-6361/201630044 [details]
    • van Oers, P., Markoff, S., Uttley, P., McHardy, I., van der Laan, T., Donovan Meyer, J., & Connors, R. (2017). A jet-dominated model for a broad-band spectral energy distribution of the nearby low-luminosity active galactic nucleus in M94. Monthly Notices of the Royal Astronomical Society, 468(1), 435-450. https://doi.org/10.1093/mnras/stx514 [details]
    • van den Eijnden, J., Ingram, A., Uttley, P., Motta, S. E., Belloni, T. M., & Gardenier, D. W. (2017). Inclination dependence of QPO phase lags in black hole X-ray binaries. Monthly Notices of the Royal Astronomical Society, 464(3), 2643-2659. https://doi.org/10.1093/mnras/stw2634 [details]

    2016

    • Fausnaugh, M. M., Denney, K. D., Barth, A. J., Bentz, M. C., Bottorff, M. C., Carini, M. T., ... Young, S. (2016). Space Telescope and Optical Reverberation Mapping Project. III. Optical Continuum Emission and Broadband Time Delays in NGC 5548. Astrophysical Journal, 821(1), 56. https://doi.org/10.3847/0004-637X/821/1/56
    • Goad, M. R., Korista, K. T., De Rosa, G., Kriss, G. A., Edelson, R., Barth, A. J., ... Zheng, W-K. (2016). Space Telescope and Optical Reverberation Mapping Project. IV. Anomalous Behavior of the Broad Ultraviolet Emission Lines in NGC 5548. Astrophysical Journal, 824(1), 11. https://doi.org/10.3847/0004-637X/824/1/11
    • Ingram, A., van der Klis, M., Middleton, M., Done, C., Altamirano, D., Heil, L., ... Axelsson, M. (2016). A quasi-periodic modulation of the iron line centroid energy in the black hole binary H1743-322. Monthly Notices of the Royal Astronomical Society, 461(2), 1967-1980. https://doi.org/10.1093/mnras/stw1245
    • Kalamkar, M., Casella, P., Uttley, P., O'Brien, K., Russell, D., Maccarone, T., ... Vincentelli, F. (2016). Detection of the first infra-red quasi-periodic oscillation in a black hole X-ray binary. Monthly Notices of the Royal Astronomical Society, 460(3), 3284-3291. https://doi.org/10.1093/mnras/stw1211 [details]
    • Kara, E., Alston, W. N., Fabian, A. C., Cackett, E. M., Uttley, P., Reynolds, C. S., & Zoghbi, A. (2016). A global look at X-ray time lags in Seyfert galaxies. Monthly Notices of the Royal Astronomical Society, 462(1), 511-531. https://doi.org/10.1093/mnras/stw1695 [details]
    • Rushton, A. P., Shaw, A. W., Fender, R. P., Altamirano, D., Gandhi, P., Uttley, P., ... Titterington, D. J. (2016). Disc-jet quenching of the galactic black hole Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 463(1), 628-634. https://doi.org/10.1093/mnras/stw2020 [details]
    • Shaw, A. W., Gandhi, P., Altamirano, D., Uttley, P., Tomsick, J. A., Charles, P. A., ... Walton, D. J. (2016). A low-luminosity soft state in the short-period black hole X-ray binary Swift J1753.5-0127. Monthly Notices of the Royal Astronomical Society, 458(2), 1636-1644. https://doi.org/10.1093/mnras/stw417
    • Silva, C. V., Uttley, P., & Costantini, E. (2016). Timing the warm absorber in NGC 4051. Astronomy & Astrophysics, 596, [A79]. https://doi.org/10.1051/0004-6361/201628555 [details]
    • Stevens, A. L., & Uttley, P. (2016). Phase-resolved spectroscopy of Type B quasi-periodic oscillations in GX 339-4. Monthly Notices of the Royal Astronomical Society, 460(3), 2796-2810. https://doi.org/10.1093/mnras/stw1093
    • Vaughan, S., Uttley, P., Markowitz, A. G., Huppenkothen, D., Middleton, M. J., Alston, W. N., ... Farr, W. M. (2016). False periodicities in quasar time-domain surveys. Monthly Notices of the Royal Astronomical Society, 461(3), 3145-3152. https://doi.org/10.1093/mnras/stw1412
    • van den Eijnden, J., Ingram, A., & Uttley, P. (2016). Probing the origin of quasi-periodic oscillations: the short-time-scale evolution of phase lags in GRS 1915+105. Monthly Notices of the Royal Astronomical Society, 458(4), 3655-3666. https://doi.org/10.1093/mnras/stw610

    2015

    • Bachetti, M., Harrison, F. A., Cook, R., Tomsick, J., Schmid, C., Grefenstette, B. W., ... Zhang, W. W. (2015). No Time for Dead Time: Timing Analysis of Bright Black Hole Binaries with NuSTAR. Astrophysical Journal Letters, 800(2), [109]. https://doi.org/10.1088/0004-637X/800/2/109 [details]
    • De Rosa, G., Peterson, B. M., Ely, J., Kriss, G. A., Crenshaw, D. M., Horne, K., ... Zu, Y. (2015). Space Telescope and Optical Reverberation Mapping Project.I. Ultraviolet Observations of the Seyfert 1 Galaxy NGC 5548 with the Cosmic Origins Spectrograph on Hubble Space Telescope. Astrophysical Journal, 806(1), [128]. https://doi.org/10.1088/0004-637X/806/1/128 [details]
    • Edelson, R., Gelbord, J. M., Horne, K., McHardy, I. M., Peterson, B. M., Arévalo, P., ... Zu, Y. (2015). Space Telescope and Optical Reverberation Mapping Project. II. Swift and HST Reverberation Mapping of the Accretion Disk of NGC 5548. Astrophysical Journal, 806(1), [129]. https://doi.org/10.1088/0004-637X/806/1/129 [details]
    • Heil, L. M., Uttley, P., & Klein-Wolt, M. (2015). Inclination-dependent spectral and timing properties in transient black hole X-ray binaries. Monthly Notices of the Royal Astronomical Society, 448(4), 3348-3353. https://doi.org/10.1093/mnras/stv240 [details]
    • Heil, L. M., Uttley, P., & Klein-Wolt, M. (2015). Power colours: simple X-ray binary variability comparison. Monthly Notices of the Royal Astronomical Society, 448(4), 3339-3347. https://doi.org/10.1093/mnras/stv191 [details]
    • Lira, P., Arévalo, P., Uttley, P., McHardy, I. M. M., & Videla, L. (2015). Long-term monitoring of the archetype Seyfert galaxy MCG-6-30-15: X-ray, optical and near-IR variability of the corona, disc and torus. Monthly Notices of the Royal Astronomical Society, 454(1), 368-379. https://doi.org/10.1093/mnras/stv1945 [details]
    • Peille, P., Barret, D., & Uttley, P. (2015). The Spectral-timing Properties of Upper and Lower kHz QPOs. Astrophysical Journal, 811(2), [109]. https://doi.org/10.1088/0004-637X/811/2/109 [details]
    • Uttley, P., & Klein-Wolt, M. (2015). The remarkable timing properties of a `hypersoft' state in GRO J1655-40. Monthly Notices of the Royal Astronomical Society, 451(1), 475-485. https://doi.org/10.1093/mnras/stv978 [details]

    2014

    • Bozzo, E., Stella, L., van der Klis, M., Watts, A., Barret, D., Wilms, J., ... Feroci, M. (2014). The LOFT mission: new perspectives in the research field of (accreting) compact objects. EPJ Web of Conferences, 64, 09002. https://doi.org/10.1051/epjconf/20136409002 [details]
    • Cackett, E. M., Zoghbi, A., Reynolds, C., Fabian, A. C., Kara, E., Uttley, P., & Wilkins, D. R. (2014). Modelling the broad Fe Kα reverberation in the AGN NGC 4151. Monthly Notices of the Royal Astronomical Society, 438(4), 2980-2994. https://doi.org/10.1093/mnras/stt2424 [details]
    • Feroci, M., et al., U., van der Klis, M., Watts, A., Altamirano, D., Ingram, A., ... Wijnands, R. (2014). The Large Observatory for x-ray Timing. Proceedings of SPIE, the International Society for Optical Engineering, 9144, 91442T. https://doi.org/10.1117/12.2055913 [details]
    • Grinberg, V., Pottschmidt, K., Böck, M., Schmid, C., Nowak, M. A., Uttley, P., ... Wilms, J. (2014). Long term variability of Cygnus X-1. VI. Energy-resolved X-ray variability 1999-2011. Astronomy & Astrophysics, 565, A1. https://doi.org/10.1051/0004-6361/201322969 [details]
    • Kara, E., Cackett, E. M., Fabian, A. C., Reynolds, C., & Uttley, P. (2014). The curious time lags of PG 1244+026: discovery of the iron K reverberation lag. Monthly Notices of the Royal Astronomical Society. Letters, 439(1), L26-L30. https://doi.org/10.1093/mnrasl/slt173 [details]
    • Kelly, B. C., Becker, A. C., Sobolewska, M., Siemiginowska, A., & Uttley, P. (2014). Flexible and Scalable Methods for Quantifying Stochastic Variability in the Era of Massive Time-domain Astronomical Data Sets. Astrophysical Journal, 788(1), 33. https://doi.org/10.1088/0004-637X/788/1/33 [details]
    • McHardy, I. M., Cameron, D. T., Dwelly, T., Connolly, S., Lira, P., Emmanoulopoulos, D., ... Uttley, P. (2014). Swift monitoring of NGC 5548: X-ray reprocessing and short-term UV/optical variability. Monthly Notices of the Royal Astronomical Society, 444(2), 1469-1474. https://doi.org/10.1093/mnras/stu1636 [details]
    • Uttley, P., & Casella, P. (2014). Multi-Wavelength Variability : Accretion and Ejection at the Fastest Timescale. Space Science Reviews, 183(1-4), 453-476. https://doi.org/10.1007/s11214-014-0072-4 [details]
    • Uttley, P., Cackett, E. M., Fabian, A. C., Kara, E., & Wilkins, D. R. (2014). X-ray reverberation around accreting black holes. Astronomy and Astrophysics Review, 22(1), 72. https://doi.org/10.1007/s00159-014-0072-0 [details]

    2013

    • Alston, W. N., Vaughan, S., & Uttley, P. (2013). The flux-dependent X-ray time lags in NGC 4051. Monthly Notices of the Royal Astronomical Society, 435(2), 1511-1519. https://doi.org/10.1093/mnras/stt1391 [details]
    • Alston, W. N., Vaughan, S., & Uttley, P. (2013). 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. https://doi.org/10.1093/mnras/sts320 [details]
    • Bartlett, E. S., Clark, J. S., Coe, M. J., Garcia, M. G., & Uttley, P. (2013). Timing and spectral analysis of the unusual X-ray transient XTE J0421+560/CI Camelopardalis. Monthly Notices of the Royal Astronomical Society, 429(2), 1213-1220. https://doi.org/10.1093/mnras/sts411 [details]
    • Cackett, E. M., Fabian, A. C., Zoghbi, A., Kara, E., Reynolds, C., & Uttley, P. (2013). A Soft X-Ray Reverberation Lag in the AGN ESO 113-G010. Astrophysical Journal Letters, 764(1), L9. https://doi.org/10.1088/2041-8205/764/1/L9 [details]
    • De Marco, B., Ponti, G., Cappi, M., Dadina, M., Uttley, P., Cackett, E. M., ... Miniutti, G. (2013). Discovery of a relation between black hole mass and soft X-ray time lags in active galactic nuclei. Monthly Notices of the Royal Astronomical Society, 431(3), 2441-2452. https://doi.org/10.1093/mnras/stt339 [details]
    • Fabian, A. C., Kara, E., Walton, D. J., Wilkins, D. R., Ross, R. R., Lozanov, K., ... Young, A. J. (2013). Long XMM observation of the narrow-line Seyfert 1 galaxy IRAS 13224-3809: rapid variability, high spin and a soft lag. Monthly Notices of the Royal Astronomical Society, 429(4), 2917-2923. https://doi.org/10.1093/mnras/sts504 [details]
    • Huppenkothen, D., Watts, A. L., Uttley, P., van der Horst, A. J., van der Klis, M., Kouveliotou, C., ... Finger, M. H. (2013). Quasi-periodic Oscillations and Broadband Variability in Short Magnetar Bursts. Astrophysical Journal, 768(1), [87]. https://doi.org/10.1088/0004-637X/768/1/87 [details]
    • Kalamkar, M., van der Klis, M., Uttley, P., Altamirano, D., & Wijnands, R. (2013). Swift X-Ray Telescope Timing Observations of the Black Hole Binary SWIFT J1753.5-0127: Disk-diluted Fluctuations in the Outburst Peak. Astrophysical Journal, 766(2), 89. https://doi.org/10.1088/0004-637X/766/2/89 [details]
    • Kapińska, A. D., & Uttley, P. (2013). Fundamental parameters of FR II radio galaxies and their impact on groups and clusters' environments. Astronomische Nachrichten, 334(4-5), 408-411. https://doi.org/10.1002/asna.201211868 [details]
    • Kara, E., Fabian, A. C., Cackett, E. M., Miniutti, G., & Uttley, P. (2013). Revealing the X-ray source in IRAS 13224-3809 through flux-dependent reverberation lags. Monthly Notices of the Royal Astronomical Society, 430(2), 1408-1413. https://doi.org/10.1093/mnras/stt024 [details]
    • Kara, E., Fabian, A. C., Cackett, E. M., Steiner, J. F., Uttley, P., Wilkins, D. R., & Zoghbi, A. (2013). The closest look at 1H0707-495: X-ray reverberation lags with 1.3 Ms of data. Monthly Notices of the Royal Astronomical Society, 428(4), 2795-2804. https://doi.org/10.1093/mnras/sts155 [details]
    • Kara, E., Fabian, A. C., Cackett, E. M., Uttley, P., Wilkins, D. R., & Zoghbi, A. (2013). Discovery of high-frequency iron K lags in Ark 564 and Mrk 335. Monthly Notices of the Royal Astronomical Society, 434(2), 1129-1137. https://doi.org/10.1093/mnras/stt1055 [details]
    • Pahari, M., Neilsen, J., Yadav, J. S., Misra, R., & Uttley, P. (2013). Comparison of Time/Phase Lags in the Hard State and Plateau State of GRS 1915+105. Astrophysical Journal, 778(2), 136. https://doi.org/10.1088/0004-637X/778/2/136 [details]
    • Scaringi, S., Körding, E., Groot, P. J., Uttley, P., Marsh, T., Knigge, C., ... Dhillon, V. S. (2013). Discovery of Fourier-dependent time lags in cataclysmic variables. Monthly Notices of the Royal Astronomical Society, 431(3), 2535-2541. https://doi.org/10.1093/mnras/stt347 [details]
    • Walton, D. J., Zoghbi, A., Cackett, E. M., Uttley, P., Harrison, F. A., Fabian, A. C., ... Reynolds, C. S. (2013). Hard X-Ray Lags in Active Galactic Nuclei: Testing the Distant Reverberation Hypothesis with NGC 6814. Astrophysical Journal, 777(2), L23. https://doi.org/10.1088/2041-8205/777/2/L23 [details]

    2012

    2011

    2016

    • Feroci, M., Bozzo, E., Brandt, S., Hernanz, M., van der Klis, M., Liu, L-P., ... Zwart, F. (2016). The LOFT mission concept: a status update. Proceedings of SPIE, the International Society for Optical Engineering, 9905, [99051R]. https://doi.org/10.1117/12.2233161
    • Zhang, S. N., Feroci, M., Santangelo, A., Dong, Y. W., Feng, H., Lu, F. J., ... Watts, A. (2016). eXTP: Enhanced X-ray Timing and Polarization mission. Proceedings of SPIE, the International Society for Optical Engineering, 9905, [99051Q]. https://doi.org/10.1117/12.2232034

    2012

    • Feroci, M., den Herder, J. W., Bozzo, E., Barret, D., Brandt, S., Hernanz, M., ... Zhang, B. (2012). LOFT: the Large Observatory For x-ray Timing. Proceedings of SPIE, the International Society for Optical Engineering, 8443, 84432D. https://doi.org/10.1117/12.926310 [details]
    • Zane, S., Walton, D., Kennedy, T., Feroci, M., den Herder, J. W., Ahangarianabhari, M., ... Winter, B. (2012). A large area detector proposed for the Large Observatory for X-ray Timing (LOFT). Proceedings of SPIE, the International Society for Optical Engineering, 8443, 84432F. https://doi.org/10.1117/12.925156 [details]

    2011

    • Cadolle Bel, M., Rodriguez, J., Corbel, S., D'Avanzo, P., Russell, D., Tomsick, J., ... Ehle, M. (2011). Multiwavelength studies of the microquasar GX 339-4 in its 2010 outburst. The X-ray Universe 2011, 48.
    • Grinberg, V., Boeck, M., Pottschmidt, K., Pooley, G. G., Wilms, J., Nowak, M. A., ... Kreykenbohm, I. (2011). Cyg X-1 entered a transitional state, may be on its way from the soft state back to the hard state. The astronomer's telegram, 3307, 1.
    • Grinberg, V., Boeck, M., Pottschmidt, K., Pooley, G. G., Wilms, J., Nowak, M. A., ... Markoff, S. B. (2011). Cygnus X-1 entered the soft state. The astronomer's telegram, 3616, 1.

    2010

    • Grinberg, V., Boeck, M., Pottschmidt, K., Nowak, M. A., Uttley, P., Tomsick, J. A., ... Wilms, J. (2010). RXTE Monitoring of Cyg X-1 in its current transitional state. The astronomer's telegram, 2751. [details]

    2018

    • Casella, P., Vincentelli, F., O'Brien, K., Testa, V., Maccarone, T. J., Uttley, P., ... Russell, D. M. (2018). Fast infrared photometry of the black-hole candidate MAXI J1820+070. The astronomer's telegram, 11451. [details]
    • Homan, J., Altamirano, D., Arzoumanian, Z., Buisson, D., Eikenberry, S., Fabian, A. C., ... Uttley, P. (2018). NICER observations of MAXI J1820+070: Continuing evolution of X-ray variability properties. The astronomer's telegram, 11576. [details]
    • Homan, J., Stevens, A. L., Altamirano, D., Gendreau, K., Arzoumanian, Z., Strohmayer, T. E., ... Pasham, D. R. (2018). MAXI J1820+070 continuing its rapid evolution toward the hard state. The astronomer's telegram, 2068. [details]
    • Homan, J., Uttley, P., Gendreau, K., Arzoumanian, Z., Saylor, M., Steiner, J. F., ... Eikenberry, S. (2018). Continuing NICER observations of the state transition in ASASSN-18ey/MAXI J1820+070. The astronomer's telegram, 11823. [details]
    • Homan, J., Uttley, P., Gendreau, K., Arzoumanian, Z., Saylor, M., Steiner, J. F., ... Fabian, A. C. (2018). A rapid state transition in MAXI J1820+070. The astronomer's telegram, 11820. [details]
    • Ludlam, R. M., Miller, J. M., Arzoumanian, Z., Gendreau, K. C., Bult, P. M., Strohmayer, T. E., ... Fabian, A. C. (2018). Initial NICER observation of the new X-ray transient Swift J1858.6-0814. The astronomer's telegram, 2158. [details]
    • Uttley, P., Gendreau, K., Markwardt, C., Strohmayer, T. E., Bult, P., Arzoumanian, Z., ... Fabian, A. C. (2018). NICER observations of MAXI J1820+070 suggest a rapidly-brightening black hole X-ray binary in the hard state. The astronomer's telegram, 11423. [details]

    2017

    • Gendreau, K., Arzoumanian, Z., Markwardt, C., Okajima, T., Strohmayer, T., Remillard, R., ... Uttley, P. (2017). Initial NICER observations of a broadened iron line and QPOs in MAXI J1535a571. The astronomer's telegram, 10768. [details]
    • Remillard, R., Gendreau, K., Altamirano, D., Gandhi, P., Steiner, J., Pasham, D., ... Arzoumanian, Z. (2017). NICER Observation of Fast X-ray Flares in GX 339-4. The astronomer's telegram, 10824. [details]

    2018

    • Neilsen, J., Cackett, E., Fabian, A., Gendreau, K. C., Miller, J. M., Pasham, D., ... Uttley, P. (2018). Chandra, NuSTAR and NICER Observations of MAXI J1535-571. Poster session presented at 231th AAS Meeting, National Harbor, United States.
    • Neilsen, J., Cackett, E., Fabian, A., Gendreau, K., Homan, J., Miller, J., ... Uttley, P. (2018). Outburst Observations of the Black Hole MAXI J1535-571. Abstract from April Meeting 2018, Columbus, United States.
    • Remillard, R., Steiner, J., Ranga Reddy Pasham, D., Gendreau, K. C., Arzoumanian, Z., Fabian, A., ... Neilsen, J. (2018). Investigation of Fast Variability in Cyg X-1 and MAXI J1535-571 with NICER. Poster session presented at 231th AAS Meeting, National Harbor, United States.
    • Steiner, J. F., Bulbul, E., Cackett, E., Fabian, A., Gendreau, K. C., Neilsen, J., ... Wood, K. S. (2018). A NICER View of the Accretion Disk in GX 339-4. Poster session presented at 231th AAS Meeting, National Harbor, United States.
    • Stevens, A., & Uttley, P. (2018). NICER spectral-timing studies of a low-frequency QPO in the soft-intermediate state of MAXI J1535-571. Abstract from 42nd COSPAR Scientific Assembly, Pasadena, United States.
    • Stevens, A., Uttley, P., & Altamirano, D. (2018). Phase-resolved spectroscopy of the lower kHz QPO in 4U1608-52. Abstract from 42nd COSPAR Scientific Assembly, Pasadena, United States.
    • Uttley, P., & Malzac, J. (2018). Mapping coronal geometry with broadband noise continuum lags. Abstract from 42nd COSPAR Scientific Assembly, Pasadena, United States.
    • Van den Eijnden, J., Uttley, P., & Ingram, A. (2018). Advances in phase resolving quasi-periodic oscillations with NICER. Abstract from 42nd COSPAR Scientific Assembly, Pasadena, United States.

    2016

    • Stevens, A. L., Uttley, P., & van der Klis, M. (2016). New Insights from Phase-Resolved Spectroscopy of QPOs in GX 339—4.
    • Van Den Eijnden, J., Ingram, A., & Uttley, P. (2016). The energy dependence of quasi periodic oscillations in GRS 1915+105.

    2015

    • Heil, L. M., Uttley, P., & Klein-Wolt, M. (2015). Power-Colours: Direct Power Spectral Comparison. Abstract from The Extremes of Black Hole Accretion, .
    • Kalamkar, M., Casella, P., O'Brien, K., Uttley, P., & Maccarone, T. (2015). Fast multi-wavelength broad-band and QPO variability in a black hole X-ray binary: accretion flow and/or a jet origin?. Poster session presented at The Extremes of Black Hole Accretion, .
    • Shaw, A., Charles, P., Gandhi, P., Altamirano, D., Uttley, P., & Tomsick, J. (2015). The unusual accretion state of the black hole candidate Swift J1753.5-0127. Poster session presented at The Extremes of Black Hole Accretion, .
    • Stevens, A. L., Uttley, P., & van der Klis, M. (2015). A New Route to Phase-Resolved Spectroscopy of QPOs in X-ray Binaries. 82. Abstract from The Extremes of Black Hole Accretion, .
    • Uttley, P. (2015). Decoding black hole variability with spectral-timing. Abstract from The Extremes of Black Hole Accretion, .
    • de Jesus Silva, C. V., Uttley, P., & Constantini, E. (2015). Timing the warm absorber in NGC4051. Abstract from The Extremes of Black Hole Accretion, .

    Others

    • Uttley, P. (chair) (2016). The X-ray Spectral-Timing Revolution, Leiden, Netherlands. Lead organisor (organising a conference, workshop, ...).
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