Second Meeting: May 27-31, 2013

Introduction Session

A. Goldwurm News from the Galactic center and program of the week

Sgr A* present activity

G. Trap Review on Sgr A* flaring activity
G. Ponti Status of the G2 observation programs and plans

X-ray reflection from GC molecular clouds and Sgr A* past activity

G. Ponti A review on the X-ray reflection emission in the Galactic center
M. Clavel Echoes of multiple outbursts of Sgr A*
S. Soldi Preliminary results from the October 2012 XMM LP observations of the CMZ
V. Tatischeff H2 ionization and 6.4 keV line emission from cosmic rays
V. Dogiel 6.4 keV and H3+ emission from the molecular gas of the Galactic center
V. Tatischeff Non-thermal X-rays from low-energy cosmic rays: application to the 6.4 keV line
V. Dogiel On the issue of the interacting cosmic rays with molecular clouds: a Bremsstrahlung origin of the diffuse emission

Particle acceleration and gamma-ray emission in GC and Fermi Bubbles

M. Chernyakova Fermi analysis - variability search and extension of analysis down to 50 MeV
F. Melia Latest simulations of cosmic rays acceleration and transport at the Galactic center
R. Crocker Possible implications of the radio observations of the giant, magnetized lobes that are more or less coincident with the Fermi Bubbles
D. Chernyshov The Fermi Bubbles
R. Terrier Perspectives on the use of HESS/HESS2 data in constraining particle acceleration and propagation in the CMZ
D. Chernyshov Stochastic acceleration in galaxies and galaxy clusters

Discussions

A. Goldwurm, All COSPAR 2014, Perspectives and Conclusions
Working group 1 Sgr A* flaring emission and polarization; Sgr A* XMM-VLT 2012 campaign
Working group 2 Simulations of MC reflection emission
Working group 3 Analysis of the 2012 XMM LP data
Working group 4 Particle acceleration in the CMZ; The Arches cluster region
Working group 5 The Fermi Bubbles

First Meeting: May 21-25, 2012

Introduction Session

M. Falanga ISSI presentation
A. Goldwurm Rational and Aim of the project

SgrA* present activity

M. Morris The (non-flaring) extended X-ray emission from the vincinity of Sgr A*
G. Trap Review on Sgr A* Flaring Activity
M. Clavel Recent Observations of Sgr A* Flaring Activity
M. Falanga Modeling the X-ray flares from Sgr A* including GR

X-ray reflection from GC molecular clouds and SgrA* past activity

G. Ponti The X-ray reflection in GC MC from XMM 2002-2008 data
R. Terrier X-ray and hard X-ray Observations of Sgr B2
M. Clavel Recent Observations of X-ray emission from MC close to Sgr A*
F. Melia Possible supernova origin of the fluorescent echoes
V. Dogiel,
D. Chernyshov
Line and continuum emission from the molecular gas in the GC excited by primary X-rays and charged particules
V. Tatischeff Production of nonthermal line and continuum X-rays by low energy cosmic rays

Particle acceleration and gamma-ray emission in GC and Fermi Bubbles

M. Chernyakova,
D. Malishev
Possible diffuse origin of the GeV-TeV emission from the central 10 pc, the expected X-ray and radio emission in this model
M. Chernyakova,
D. Malishev
Modelling of the gamma-ray emission from the molecular clouds up to the central 200 pc
F. Melia Diffuse TeV emission from the inner 300-600 pc region and particle acceleration
R. Crocker The Fermi Bubbles and their connection to processes occuring in the inner 200 pc
V. Dogiel,
D. Chernyshov
The Fermi Bubbles

Discussions

Work on Continuum and Flaring emission from Sgr A*
Work on X-ray reflection and particle interaction in the GC molecular clouds
Work on Particle acceleration and gamma-ray emission in GC and Fermi Bubbles
Summary of discussed items and identification of tasks for next meeting
Final remarks and conclusions