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Prof. dr. W. (Willem) Hermsen

Faculty of Science
Anton Pannekoek Institute of Astronomy
Visiting address
  • Science Park 904
  • Room number: C4.128
Postal address
  • Postbus 94249
    1090 GE Amsterdam
Contact details
  • Publications

    2021

    2020

    • Papitto, A., Falanga, M., Hermsen, W., Mereghetti, S., Kuiper, L., Poutanen, J., Bozzo, E., Ambrosino, F., Coti Zelati, F., De Falco, V., de Martino, D., Di Salvo, T., Esposito, P., Ferrigno, C., Forot, M., Götz, D., Gouiffes, C., Iaria, R., Laurent, P., ... Torres, D. F. (2020). The INTEGRAL view of the pulsating hard X-ray sky: from accreting and transitional millisecond pulsars to rotation-powered pulsars and magnetars. New Astronomy Reviews, 91, [101544]. https://doi.org/10.1016/j.newar.2020.101544 [details]

    2018

    • Hermsen, W., Kuiper, L., Basu, R., Hessels, J. W. T., Mitra, D., Rankin, J. M., Stappers, B. W., Wright, G. A. E., Grießmeier, J-M., Serylak, M., Horneffer, A., Tiburzi, C., & Ho, W. C. G. (2018). Discovery of synchronous X-ray and radio moding of PSR B0823+26. Monthly Notices of the Royal Astronomical Society, 480(3), 3655-3670. https://doi.org/10.1093/mnras/sty2075 [details]
    • Kuiper, L., Hermsen, W., & Dekker, A. (2018). The Fermi-LAT detection of magnetar-like pulsar PSR J1846-0258 at high-energy gamma-rays. Monthly Notices of the Royal Astronomical Society, 475(1), 1238-1250. https://doi.org/10.1093/mnras/stx3128 [details]

    2017

    • Hermsen, W., Kuiper, L., Hessels, J. W. T., Mitra, D., Rankin, J. M., Stappers, B. W., ... van Leeuwen, J. (2017). Simultaneous X-ray and radio observations of the radio-mode-switching pulsar PSR B1822-09. Monthly Notices of the Royal Astronomical Society, 466(2), 1688-1708. https://doi.org/10.1093/mnras/stw3135 [details]

    2016

    • Mereghetti, S., Kuiper, L., Tiengo, A., Hessels, J., Hermsen, W., Stovall, K., ... Grießmeier, J-M. (2016). A Deep Campaign to Characterize the Synchronous Radio/X-Ray Mode Switching of PSR B0943+10. Astrophysical Journal, 831(1), [21]. https://doi.org/10.3847/0004-637X/831/1/21 [details]

    2013

    • Hermsen, W., Hessels, J. W. T., et al., U., van Leeuwen, J., Rankin, J. M., Coenen, T., ... Wise, M. W. (2013). Synchronous X-ray and Radio Mode Switches: A Rapid Global Transformation of the Pulsar Magnetosphere. Science, 339(6118), 436-439. https://doi.org/10.1126/science.1230960 [details]

    2012

    • Falanga, M., Kuiper, L., Poutanen, J., Galloway, D. K., Bozzo, E., Goldwurm, A., ... Stella, L. (2012). Spectral and timing properties of the accreting X-ray millisecond pulsar IGR J17498-2921. Astronomy & Astrophysics, 545, A26. https://doi.org/10.1051/0004-6361/201219582 [details]
    • Feroci, M., Stella, L., van der Klis, M., Courvoisier, T. J. L., Hernanz, M., Hudec, R., Santangelo, A., Walton, D., Zdziarski, A., Barret, D., Belloni, T., Braga, J., Brandt, S., Budtz-Jørgensen, C., Campana, S., den Herder, J. W., Huovelin, J., Israel, G. L., Pohl, M., ... Ziolkowski, J. (2012). The Large Observatory for X-ray Timing (LOFT). Experimental Astronomy, 34(2), 415-444. https://doi.org/10.1007/s10686-011-9237-2 [details]
    • Greiner, J., Mannheim, K., Aharonian, F., Ajello, M., Balasz, L. G., Barbiellini, G., Bellazzini, R., Bishop, S., Bisnovatij-Kogan, G., Boggs, S., Bykov, A., DiCocco, G., Diehl, R., Elsässer, D., Foley, S., Fransson, C., Gehrels, N., Hanlon, L., Hartmann, D., ... Zoglauer, A. (2012). GRIPS - Gamma-Ray Imaging, Polarimetry and Spectroscopy. Experimental Astronomy, 34(2), 551-582. https://doi.org/10.1007/s10686-011-9255-0 [details]
    • Kuiper, L., Hermsen, W., den Hartog, P. R., & Urama, J. O. (2012). Temporal and Spectral Evolution in X- and γ-Rays of Magnetar 1E 1547.0-5408 since its 2008 October Outburst: The Discovery of a Transient Hard Pulsed Component after its 2009 January Outburst. Astrophysical Journal, 748(2), 133. https://doi.org/10.1088/0004-637X/748/2/133 [details]
    • den Herder, J. W., Piro, L., Ohashi, T., Kouveliotou, C., Hartmann, D. H., Kaastra, J. S., Amati, L., Andersen, M. I., Arnaud, M., Atteia, J-L., Bandler, S., Barbera, M., Barcons, X., Barthelmy, S., Basa, S., Basso, S., de Boer, M., Branchini, E., Branduardi-Raymont, G., ... Zane, S. (2012). ORIGIN: metal creation and evolution from the cosmic dawn. Experimental Astronomy, 34, 519-549. https://doi.org/10.1007/s10686-011-9224-7 [details]

    2011

    2010

    • Kuiper, L., Hermsen, W., Urama, J. O., den Hartog, P. R., Lyne, A. G., & Stappers, B. W. (2010). Hard X-ray timing and spectral characteristics of the energetic pulsar PSR J0205+6449 in supernova remnant 3C 58: An RXTE PCA/HEXTE and XMM-Newton view on the 0.5-250 keV band. Astronomy & Astrophysics, 515, A34. https://doi.org/10.1051/0004-6361/200913851 [details]

    2009

    • Kuiper, L., & Hermsen, W. (2009). High-energy characteristics of the schizophrenic pulsar PSR J1846-0258 in Kes 75. Multi-year RXTE and INTEGRAL observations crossing the magnetar-like outburst. Astronomy & Astrophysics, 501(3), 1031-1046. https://doi.org/10.1051/0004-6361/200811580 [details]
    • Piro, L., den Herder, J. W., Hermsen, W., Méndez, M., Wijers, R., & Explorer of Diffuse Emission and Gamma-ray burst Explosions (EDGE) (2009). EDGE: Explorer of diffuse emission and gamma-ray burst explosions. Experimental Astronomy, 23(1), 67-89. https://doi.org/10.1007/s10686-008-9092-y [details]

    2008

    • den Hartog, P. R., Kuiper, L., & Hermsen, W. (2008). Detailed high-energy characteristics of AXP 1RXS J170849-400910: Probing the magnetosphere using INTEGRAL, RXTE, and XMM-Newton. Astronomy & Astrophysics, 489(1), 263-279. https://doi.org/10.1051/0004-6361:200809772 [details]
    • den Hartog, P. R., Kuiper, L., Hermsen, W., Kaspi, V. M., Dib, R., Knödlseder, J., & Gavriil, F. P. (2008). Detailed high-energy characteristics of AXP 4U 0142+61: Multi-year observations with INTEGRAL, RXTE, XMM-Newton, and ASCA. Astronomy & Astrophysics, 489(1), 245-261. https://doi.org/10.1051/0004-6361:200809390 [details]

    2006

    • Bykov, A. M., Krassilchtchikov, A. M., Uvarov, Y. A., Lebrun, F., Renaud, M., Terrier, R., ... Swings, J-P. (2006). INTEGRAL detection of hard X-rays from NGC 6334: nonthermal emission from colliding winds or an AGN? Astronomy & Astrophysics, 449(3), 917-923. https://doi.org/10.1051/0004-6361:20054361 [details]

    2018

    • Mereghetti, S., Kuiper, L., Tiengo, A., Hessels, J., Hermsen, W., Stovall, K., Possenti, A., Rankin, J., Esposito, P., Turolla, R., Mitra, D., Wright, G., Stappers, B., Horneffer, A., Oslowski, S., Serylak, M., Griessmeier, J-M., & Rigoselli, M. (2018). X-rays from the mode-switching PSR B0943+10. Proceedings of the International Astronomical Union, 13(S337), 62-65. https://doi.org/10.1017/S1743921317009504 [details]

    2017

    • Mereghetti, S., Kuiper, L., Tiengo, A., Hessels, J., Hermsen, W., Stovall, K., Possenti, A., Rankin, J., Esposito, P., Turolla, R., Mitra, D., Wright, G., Stappers, B., Horneffer, A., Oslowski, S., Serylak, M., Griessmeier, J-M., & Rigoselli, M. (2017). X-ray properties of the mode-switching pulsar PSR B0943+10. Journal of Physics: Conference Series, 932, [012009]. https://doi.org/10.1088/1742-6596/932/1/012009 [details]

    2016

    • Feroci, M., van der Klis, M., Watts, A., Alpar, A., Altamirano, D., Belloni, T., Casella, P., Degenaar, N., den Herder, J. W., Di Salvo, T., Esposito, P., Fender, R., Gogus, E., Götz, D., Hermsen, W., Homan, J., Huppenkothen, D., Ingram, A., Jonker, P., ... LOFT Consortium (2016). The LOFT mission concept: a status update. In J-WA. den Herder, T. Takahasi, & M. Bautz (Eds.), Space Telescopes and Instrumentation 2016: Ultraviolet to Gamma Ray: 26 June-1 July 2016, Edinburgh, United Kingdom (Vol. 1). [99051R] (Proceedings of SPIE; Vol. 9905). SPIE. https://doi.org/10.1117/12.2233161 [details]

    2011

    2010

    • Kuiper, L., & Hermsen, W. (2010). A large spin-up glitch detected in the 70.5 ms pulsar AX J1838.0-0655 associated with HESS J1837-069. The astronomer's telegram, 2446. [details]
    • Kuiper, L., & Hermsen, W. (2010). INTEGRAL observations of SGR 1833-0832: The detection of the prompt emission and the non-detection of soft gamma-rays in the post-burst era. The astronomer's telegram, 2509. [details]

    2009

    • Kuiper, L., & Hermsen, W. (2009). RXTE timing observations of SGR 0418+5729. The astronomer's telegram, 2151. [details]
    • Kuiper, L., den Hartog, P. R., & Hermsen, W. (2009). The INTEGRAL detection of pulsed soft gamma-rays from SGR/AXP 1E1547.0-5408 during its JAN-2009 outburst. The astronomer's telegram, 1921. [details]
    • den Hartog, P. R., Kuiper, L., & Hermsen, W. (2009). Continued hard X-ray activity from AXP/SGR 1E1547.0-5408 (INTEGRAL). The astronomer's telegram, 1922. [details]

    2008

    • Kuiper, L., Hermsen, W., Klein-Wolt, M., & Wijnands, R. (2008). The spin-down rate, energetics and spectrum of the 70.5 ms pulsar in AX J1838.0-0655. The astronomer's telegram, 1405. [details]
    • Manousakis, A., Beckmann, V., Bianchin, V., Brandt, S., Chenevez, J., Hermsen, W., ... Reglero, V. (2008). INTEGRAL hard X-ray detection of HMXB GX 304-1 and H 1417-624. The astronomer's telegram, 1613. [details]

    Talk / presentation

    • Hermsen, W. (speaker) (20-7-2018). Enigmatic results from X-ray / radio campaigns on radio-mode switching pulsars, cospar 2018, 42nd scientific assembly, Pasadena.
    • Hermsen, W. (speaker) (17-10-2017). Enigmatic results from X-ray/radio campaigns on radio-mode switching pulsars, INTEGRAL Symposium, Venice.
    • Hermsen, W. (invited speaker) (5-9-2017). The First Multi-wavelength pulsars, IAU Symposium, Manchester.
    • Hermsen, W. (speaker) (13-7-2017). "Enigmatic results from X-ray/radio campaigns on radio-mode switching pulsars PSR B0943+10, PSR B1822-09 and PSR B0823+26, International Conference Physics of Neutron Stars - 2017. 50 years after, St. Petersburg.

    Others

    • Wijers, R. A. M. J. (organiser), Hessels, J. W. T. (organiser), van den Heuvel, E. P. J. (organiser) & Hermsen, W. (organiser) (10-10-2016 - 14-10-2016). 11th INTEGRAL Conference. Leden SOC (organising a conference, workshop, ...). https://www.sron.nl/integral2016
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