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Three elephants in the gamma-ray sky: Loop I, the Fermi bubbles, and the Galactic center excess

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Garmisch-Partenkirchen

Garmisch-Partenkirchen

ATLAS POSTHOTEL Goldener Saal Marienplatz 12, Garmisch-Partenkirchen Bavaria, Germany www.atlas-posthotel.com
Description

Fermi bubbles, Galactic center excess, and Loop I are bright extended sources of gamma rays. In spite of a significant effort to explain the origin of these objects, many questions remain unresolved.
The purpose of the meeting is to review recent studies of the Fermi bubbles, the GC excess, and the Loop I, to discuss the theoretical modeling, and to overview how future observations and new instruments, such as CTA, eROSITA, SKA, will help us to uncover the origin of the three elephants in the gamma-ray sky.

Location 
The workshop will be in a conference room in Atlas Posthotel, Marienplatz 12, Garmisch-Partenkirchen.

Organizers
Stefan Funk
Dmitry Malyshev
Philipp Mertsch
Christoph Weniger

Organized with a financial support from
ECAP (Erlangen)
RWTH (Aachen)
GRAPPA (Amsterdam)

List of participants
Richard Bartels
Benjamin Buckman
Francesca Calore
Eric Charles
Ilias Cholis
Roland Crocker
Julia Deneva
Clive Dickinson
Torsten Ensslin
Carmelo Evoli
Douglas Finkbeiner
Iris Gebauer
Ilya Gurwich
Luc Hendriks
Markus Holler
Xiaoyuan Huang
Yoshiyuki Inoue
Gudlaugur Johannesson
Uri Keshet
Ralf Kissmann
Tim Linden
Hao Liu
Steven Longmore
Naomi McClure-Griffiths
Elena Orlando
Fiona Panther
Christoph Pfrommer
Olaf Reimer
Michael Schulreich
Yuri Shchekinov
Tracy Slatyer
Emma Storm
Andrea Vittino
Karen Yang
Gabrijela Zaharijas

Registration
Workshop registration form
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Participants
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  • Saturday 21 October
    • 13:00 → 14:00
      Registration 1h
    • 14:00 → 16:00
      Session: Observations of Galactic center, Fermi bubbles, Loop I
    • 16:00 → 18:00
      Welcome banquet 2h
  • Sunday 22 October
    • 09:00 → 10:20
      Session: Galactic center
    • 10:20 → 11:00
      Coffee break 40m
    • 11:00 → 12:20
      Session: Propagation in the Galaxy
    • 12:20 → 14:00
      Lunch 1h 40m
    • 14:00 → 15:20
      Session: Observations of FB and Loop I
      • 14:00
        X-ray observations of the Fermi bubbles overview 40m
        Speaker: Dr Yoshiyuki Inoue (ISAS/JAXA)
        yinoue_171022_FB.pdf
      • 14:40
        Overview of large-scale features in the radio sky 40m
        Speaker: Clive Dickinson (The University of Manchester)
        Dickinson_RadioSky_Oct2017.pdf
    • 15:20 → 16:00
      Coffee break 40m
    • 16:00 → 17:20
      Session: Loop I modeling and distance measurements
      • 16:00
        Dust reddening and distance to gas 20m
        Speaker: Douglas Finkbeiner (Harvard University)
      • 16:20
        Loops and superbubbles in H I 20m
        Speaker: Naomi McClure-Griffiths (Australian National University)
        HI_Elephants_McClure-Griffiths.pdf
      • 16:40
        Microwave haze 20m
        Speaker: Liu Hao
        presentation_Hao.pdf
    • 19:00 → 21:00
      Session: Dinner
  • Monday 23 October
    • 09:00 → 10:00
      Session: Modeling of FB and Loop I
    • 10:00 → 10:40
      Coffee break 40m
    • 10:40 → 11:40
      Session: Galactic propagation, leptonic models of GC excess
      • 10:40
        GC excess and interstellar radiation near the GC 20m
        Speaker: Gudlaugur Johannesson
        3DISM_slides.pdf
      • 11:00
        CR transport and anisotropic diffusion 20m
        Speaker: Andrea Vittino (TU Munich)
        Vittino_3elephants.pdf
      • 11:20
        Diffuse modeling and GC excess 20m
        Speaker: Tim Linden (U)
    • 11:40 → 13:40
      Lunch break 2h
    • 13:40 → 15:20
      Session: Statistical methods
      • 13:40
        X-shaped bulge 20m
        Speaker: Roland Crocker (Australian National University)
        Crocker three elephants 2017.pdf
      • 14:00
        D3PO 20m
        Speaker: Torsten Ensslin (MPI f. Astrophysics)
      • 14:20
        The morphology of the GeV excess revisited 20m
        Speaker: Richard Bartels (University of Amsterdam)
        Bartels_Garmisch.pdf
      • 14:40
        Wavelet analysis of the Inner Galaxy 20m
        Speaker: Ilias Cholis (Fermi National Accelerator Laboratory)
        Wavelets_IC.pdf
      • 15:00
        Spectral analysis of GC excess 20m
        Speaker: Xiaoyuan Huang
        Xiaoyuan_GeV_d3po_GP.pdf
    • 15:20 → 16:00
      Coffee break 40m
    • 16:00 → 17:40
      Session: Multi-wavelength, multi-messanger studies of the Galaxy
  • Tuesday 24 October
    • 09:00 → 10:40
      Session: GC excess and millisecond pulsars
    • 10:40 → 11:20
      Coffee break 40m
    • 11:20 → 12:20
      Session: Discussions
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