Accretion Onto Magnetized Neutron Stars

Europe/Stockholm
122:026 (Nordita, Stockholm)

122:026

Nordita, Stockholm

Roslagstullbacken 17
Juri Poutanen (University of Turku)
Description

Venue

Nordita, Stockholm, Sweden

Scope

The workshop is devoted to the physics of the interaction between the accretion discs and stellar magnetospheres and structure of accretion flows onto magnetized neutron stars.

The specific topics to be discussed during the workshop include but not limited to:

  1. Accreting millisecond pulsars (AMSP). Spin-up, spin-down, the origin of the timing noise, geometry of the accretion column and the hotspot, pulse profiles, and possible constraints on the neutron star parameters and equation of state. Structure of accretion shocks.
  2. X-ray pulsars. Origin of slowly rotating X-ray pulsars, possible magnetars in the binary systems. Models for spin-up/spin-down. Propeller regime. Accretion column structure.
  3. Super-Eddington accretion flows around magnetized neutron stars. X-ray pulsars and accreting magnetars as ultra-luminous X-ray sources.

[Timetable - available from start of the workshop]

Format

The workshop will consist of 8-9 half-day science sessions, which consist of about 10 invited reviews and a few invited solicited talks on specific topics. Ample time will be allowed for discussions.

Participant list

  • Pavel Abolmasov (University of Turku, Finland)
  • David Andrews (IRF, Uppsala, Sweden)
  • Matteo Bachetti (INAF/Osservatorio Astronomico di Cagliari, Italy)
  • Michael Burgess (KTH, Sweden)
  • Anna Chashkina (University of Turku, Finland)
  • Caroline D’Angelo (Leiden University, the Netherlands)
  • Victor Doroshenko (Tubingen University, Germany)
  • Stefan Larsson (KTH, Sweden)
  • Cole Miller (Maryland University, USA)
  • Dhrubaditya Mitra (Nordita, Sweden)
  • Alexander Mushtukov (University of Amsterdam, the Netherlands)
  • Joonas Nättilä (University of Turku, Finland)
  • Alessandro Patruno (Leiden University, the Netherlands)
  • Konstantin Postnov (Moscow University, Russia)
  • Juri Poutanen (University of Turku, Finland and Nordita, Sweden)
  • Harsha Raichur (Nordita, Sweden)
  • Stephan Rosswog (Stockholm University, Sweden)
  • Felix Ryde (KTH, Sweden)
  • Valery Suleimanov (Tubingen University, Germany)
  • Sergey Tsygankov (University of Turku, Finland)
  • Alexandra Veledina (Nordita, Sweden)

Application

If you want to apply for participation in the workshop, please fill in the application form. You will be informed by the organizers shortly after the application deadline whether your application has been approved. Due to space restrictions, the total number of participants is strictly limited. (Invited speakers are of course automatically approved, but need to register anyway.)

Application deadline: 18 February 2016

There is no registration fee.

Accommodation

Nordita provides a limited number of rooms in the Stockholm apartment hotel BizApartments free of charge for accepted participants.

Sponsored by:

Nordita

    • 09:00
      Registration at Nordita West 122:026

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    • 12:00
      lunch 122:026

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    • 14:00
      Welcome 122:026

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    • 1
      Modelling luminosity correlated variations of the cyclotron line energy 122:026

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      Speaker: Dr Alexander Mushtukov
    • 2
      Subsonic settling accretion in X-ray pulsars: Theory and observations 122:026

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      Speaker: Prof. Konstantin Postnov
    • 16:10
      break 122:026

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    • 3
      Intensity-resolved CRSF in X-Per/4U 0352+30 122:026

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      Speaker: Dr Harsha Raichur
    • 17:10
      discussions, work in groups 122:026

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    • 18:00
      reception at Nordita East 122:026

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    • 09:30
      coffee 122:026

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    • 4
      Propeller effect in X-ray pulsars 122:026

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      Speaker: Dr Sergey Tsygankov
    • 5
      Magnetic angle evolution in accreting neutron stars 122:026

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      Speaker: Dr Pavel Abolmasov
    • 12:00
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    • 6
      GK Per and EX Hya: intermediate polars with small magnetospheres 122:026

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      Speaker: Dr Valery Suleimanov
    • 7
      Magnetospheric Pulsations at Saturn - relevance to pulsar magnetospheres? 122:026

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      Speaker: Dr David Andrews
    • 16:00
      break 122:026

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    • 8
      MHD modeling of disk-magnetosphere interaction 122:026

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      Speaker: Dr Matteo Bachetti
    • 17:10
      discussions, work in groups 122:026

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    • 09:30
      coffee 122:026

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    • 9
      Observational Constraints on the Accretion Flow Geometry in Accreting and Transitional Millisecond Pulsars 122:026

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      Speaker: Dr Alessandro Patruno
    • 10
      Using very faint accreting neutron stars to understand accretion processes 122:026

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      Speaker: Dr Caroline D’Angelo
    • 12:00
      lunch 122:026

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    • 11
      The Prospects and Challenges of Measuring Neutron Star Masses and Radii using Pulse Profile Modeling 122:026

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      Speaker: Prof. Cole Miller
    • 12
      Constraining neutron star parameters from pulse profiles, burst spectra and polarization of accreting millisecond pulsars 122:026

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      Speaker: Prof. Juri Poutanen
    • 16:00
      break 122:026

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    • 13
      What do neutron stars actually look like: images in rotating, curved & twisted spacetime 122:026

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      Speaker: Mr Joonas Nättilä
    • 17:30
      discussions, work in groups 122:026

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    • 19:00
      conference dinner 122:026 (restaurant Hasselbacken)

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      restaurant Hasselbacken

      Hazeliusbacken 20, Stockholm
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    • 14
      A *really* ultraluminous X-ray source 122:026

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      Speaker: Dr Matteo Bachetti
    • 15
      Highly magnetized neutron stars at extreme mass accretion rates 122:026

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      Speaker: Dr Alexander Mushtukov
    • 12:00
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    • 16
      Accretion disk around a super-Eddington accreting neutron star 122:026

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      Speaker: Ms Anna Chashkina
    • 17
      Observational view on magnetic fields in X-ray pulsars 122:026

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      Speaker: Dr Victor Doroshenko
    • 16:00
      break 122:026

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    • 16:30
      discussions, work in groups 122:026

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    • 09:30
      coffee 122:026

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    • 10:00
      discussions, work in groups 122:026

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