Auxiliary Information on the collaboration publication:Constraining the cosmic-ray pressure in the inner Virgo Cluster using H.E.S.S. observations of M 87

Link to ArXiv
Corresponding authors: Victor Barbosa Martins, Stefan Ohm, Cornelia Arcaro, Natalia Żywucka, Mathieu de Naurois.

Main paper

Figure 1

Data points - H.E.S.S. 30-day binned light curve

H.E.S.S. sky maps for M87 low state

FITS file for excess map
FITS file for significance map

Figure 2


Figure 3


Figure 4

Spectral index X_CR,max (magnetic confinement model) X_CR,max (steady state model)
2.1 0.1967 0.3205
2.2 0.2555 0.4164
2.3 0.4348 0.7085
2.4 0.8186 1.3354
2.5 1.6254 2.6485
2.6 3.3185 5.4072


Figure A.1

Data points - H.E.S.S. 1-day binned light curve
Data points - H.E.S.S. 7-day binned light curve
Data points - H.E.S.S. 15-day binned light curve

Figure C.1

FITS file for 2D-model-LOFAR (top)
FITS file for 2D-model-LOFAR convolved with PSF (bottom)

Figure C.2

FITS file for 2D-model-steady_state (top)
FITS file for 2D-model-steady_state convolved with PSF (bottom)

Additional information

99.7% c.l. UL on the total energy in cosmic-ray protons in the inner 20 kpc

Spectral index E_T - magnetic confinement model (erg) E_T - steady state model (erg)
2.1 5.1e+58 5.4e+58
2.2 6.6e+58 7.0e+58
2.3 1.1e+59 1.0e+59
2.4 2.1e+59 2.2e+59
2.5 4.2e+59 4.4e+59
2.6 8.6e+59 9.1e+59

Gamma-ray template for the steady-state model (fine bins)

FITS file for 2D-model-steady_state_fine

H.E.S.S. PSF for the defined low state of M 87

FITS file for H.E.S.S. PSF for the defined low state of M 87

Collaboration Acknowledgement

The support of the Namibian authorities and of the University of Namibia in facilitating the construction and operation of H.E.S.S. is gratefully acknowledged, as is the support by the German Ministry for Education and Research (BMBF), the Max Planck Society, the German Research Foundation (DFG), the Helmholtz Association, the Alexander von Humboldt Foundation, the French Ministry of Higher Education, Research and Innovation, the Centre National de la Recherche Scientifique (CNRS/IN2P3 and CNRS/INSU), the Commissariat à l'énergie atomique et aux énergies alternatives (CEA), the U.K. Science and Technology Facilities Council (STFC), the Knut and Alice Wallenberg Foundation, the National Science Centre, Poland grant no. 2016/22/M/ST9/00382, the South African Department of Science and Technology and National Research Foundation, the University of Namibia, the National Commission on Research, Science & Technology of Namibia (NCRST), the Austrian Federal Ministry of Education, Science and Research and the Austrian Science Fund (FWF), the Australian Research Council (ARC), the Japan Society for the Promotion of Science and by the University of Amsterdam. We appreciate the excellent work of the technical support staff in Berlin, Zeuthen, Heidelberg, Palaiseau, Paris, Saclay, Tübingen and in Namibia in the construction and operation of the equipment. This work benefited from services provided by the H.E.S.S. Virtual Organisation, supported by the national resource providers of the EGI Federation.