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Flares from a candidate Galactic magnetar suggest a missing link to dim isolated neutron stars

Author

Listed:
  • A. J. Castro-Tirado

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • A. de Ugarte Postigo

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain
    European Southern Observatory, Casilla 19001, Santiago 19, Chile)

  • J. Gorosabel

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • M. Jelínek

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • T. A. Fatkhullin

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia)

  • V. V. Sokolov

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia)

  • P. Ferrero

    (Thüringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, Germany)

  • D. A. Kann

    (Thüringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, Germany)

  • S. Klose

    (Thüringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, Germany)

  • D. Sluse

    (Laboratoire d'Astrophysique, École Polytechnique Fédérale de Lausanne (EPFL) Observatoire)

  • M. Bremer

    (Institute de Radioastronomie Millimétrique (IRAM), 300 rue de la Piscine, 38406 Saint Martin d'Héres, France)

  • J. M. Winters

    (Institute de Radioastronomie Millimétrique (IRAM), 300 rue de la Piscine, 38406 Saint Martin d'Héres, France)

  • D. Nuernberger

    (European Southern Observatory, Casilla 19001, Santiago 19, Chile)

  • D. Pérez-Ramírez

    (Facultad de Ciencias Experimentales, Universidad de Jaén, Campus Las Lagunillas
    The University of Leicester, Leicester, LE1 7RH, UK)

  • M. A. Guerrero

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • J. French

    (School of Physics, University College Dublin)

  • G. Melady

    (School of Physics, University College Dublin)

  • L. Hanlon

    (School of Physics, University College Dublin)

  • B. McBreen

    (School of Physics, University College Dublin)

  • K. Leventis

    (Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam)

  • S. B. Markoff

    (Astronomical Institute ‘Anton Pannekoek’, University of Amsterdam)

  • S. Leon

    (Institute de Radioastronomie Millimétrique (IRAM), Avda. Divina Pastora 7, Núcleo Central)

  • A. Kraus

    (Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, D-53121 Bonn, Germany)

  • F. J. Aceituno

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • R. Cunniffe

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain
    Cork Institute of Technology, Rossa Avenue, Bishopstown (Cork), Ireland)

  • P. Kubánek

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain
    Universidad de Valencia, Edif. Institutos de Investigación (GACE-ICMOL), Campus de Paterna)

  • S. Vítek

    (Instituto de Astrofísica de Andalucía del Consejo Superior de Investigaciones Científicas (IAA-CSIC), PO Box 03004, E-18080 Granada, Spain)

  • S. Schulze

    (Thüringer Landessternwarte Tautenburg, Sternwarte 5, D-07778 Tautenburg, Germany)

  • A. C. Wilson

    (University of Texas, Austin, Texas 78712, USA)

  • R. Hudec

    (Astronomical Institute of the Czech Academy of Sciences, Fričova 298, 25165 Ondřejov, Czech Republic)

  • M. Durant

    (Instituto de Astrofísica de Canarias (IAC), Via Láctea s/n, E-38205 La Laguna (Tenerife), Spain)

  • J. M. González-Pérez

    (Instituto de Astrofísica de Canarias (IAC), Via Láctea s/n, E-38205 La Laguna (Tenerife), Spain)

  • T. Shahbaz

    (Instituto de Astrofísica de Canarias (IAC), Via Láctea s/n, E-38205 La Laguna (Tenerife), Spain)

  • S. Guziy

    (Nikolaev State University, Nikolskaya 24, 54030 Nikolaev, Ukraine)

  • S. B. Pandey

    (Aryabhatta Research Institute of Observational-Sciences (ARIES), Manora Peak, NainiTal, Uttarakhand, 263129, India)

  • L. Pavlenko

    (Crimean Astrophysical Observatory)

  • E. Sonbas

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia
    University of Cukurova)

  • S. A. Trushkin

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia)

  • N. N. Bursov

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia)

  • N. A. Nizhelskij

    (Special Astrophysical Observatory of Russian Academy of Science (SAO-RAS), Nizhnij Arkhyz, Karachai-Cherkessia, 369167 Russia)

  • C. Sánchez-Fernández

    (European Space Astronomy Centre (ESAC), Avenida de los Castillos s/n, Urbanizacion Villafranca del Castillo, E-28691 Villanueva de la Cañada (Madrid), Spain)

  • L. Sabau-Graziati

    (Instituto Nacional de Técnica Aeroespacial (INTA))

Abstract

SWIFT J195509.6+261406 Two groups report the observation of optical flares from SWIFT J195509.6+261406, an intriguing X-ray source located in our Galaxy and initially discovered as a γ-ray burst by the orbiting Swift observatory. Stefanescu et al. detected extremely bright and rapid optical flaring, producing optical light-curves similar to the high energy light-curves of soft γ-ray repeaters and anomalous X-ray pulsars, which are thought to be neutron stars with extremely high magnetic fields (magnetars). In a multiwavelength study Castro-Tirado et al. detected more than 40 flaring episodes at optical wavelengths over a time span of three days. They suggest that SWIFT J195509+261406 could be an isolated magnetar whose bursting activity has been detected at optical wavelengths.

Suggested Citation

  • A. J. Castro-Tirado & A. de Ugarte Postigo & J. Gorosabel & M. Jelínek & T. A. Fatkhullin & V. V. Sokolov & P. Ferrero & D. A. Kann & S. Klose & D. Sluse & M. Bremer & J. M. Winters & D. Nuernberger &, 2008. "Flares from a candidate Galactic magnetar suggest a missing link to dim isolated neutron stars," Nature, Nature, vol. 455(7212), pages 506-509, September.
    • Handle: RePEc:nat:nature:v:455:y:2008:i:7212:d:10.1038_nature07328
    DOI: 10.1038/nature07328
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