Table 4: 511 keV narrow line $3\sigma $ upper flux limits for selected potential positron sources.
Source name l b FWHM $3\sigma $ flux limit Type of object
  (deg) (deg) (deg) (10-4 ph cm-2 s-1)  
Sgr A$^{\ast}$ $0.00\ensuremath{^\circ} $ $+0.00\ensuremath{^\circ} $ - <1.0 BHC
GRS 1758-258 $4.51\ensuremath{^\circ} $ $-1.36\ensuremath{^\circ} $ - <0.7 $\mu $QSO
Cyg X-1 $71.33\ensuremath{^\circ} $ $+3.07\ensuremath{^\circ} $ - <1.0 BHC
LS I+61 \ensuremath{^\circ}303 $135.68\ensuremath{^\circ} $ $+1.09\ensuremath{^\circ} $ - <3.3 $\mu $QSO
1E 1740.7-2942 $359.15\ensuremath{^\circ} $ $-0.12\ensuremath{^\circ} $ - <0.9 $\mu $QSO
Vela X-1 $263.06\ensuremath{^\circ} $ $+3.93\ensuremath{^\circ} $ - <1.1 HMXB
GX 5-1 $5.08\ensuremath{^\circ} $ $-1.02\ensuremath{^\circ} $ - <0.7 LMXB
GRS 1915+105 $45.37\ensuremath{^\circ} $ $-0.22\ensuremath{^\circ} $ - <1.0 LMXB
A 0620-00 $209.96\ensuremath{^\circ} $ $-6.54\ensuremath{^\circ} $ - <3.8 LMXB
Nova Muscae $295.30\ensuremath{^\circ} $ $-7.07\ensuremath{^\circ} $ - <2.0 LMXB
Cir X-1 $322.12\ensuremath{^\circ} $ $+0.04\ensuremath{^\circ} $ - <1.1 LMXB
Cen X-4 $332.24\ensuremath{^\circ} $ $+23.89\ensuremath{^\circ} $ - <1.7 LMXB
GX 349+2 $349.10\ensuremath{^\circ} $ $+2.75\ensuremath{^\circ} $ - <0.8 LMXB
Sco X-1 $359.09\ensuremath{^\circ} $ $+23.78\ensuremath{^\circ} $ - <1.5 LMXB
Crab $184.56\ensuremath{^\circ} $ $-5.78\ensuremath{^\circ} $ - <1.3 Pulsar
Geminga $195.13\ensuremath{^\circ} $ $+4.27\ensuremath{^\circ} $ - <2.2 Pulsar
PSR J0737-3039 $245.24\ensuremath{^\circ} $ $-4.50\ensuremath{^\circ} $ - <3.0 Pulsar
Kepler $4.52\ensuremath{^\circ} $ $+6.82\ensuremath{^\circ} $ - <0.7 SNR
Cas A $111.73\ensuremath{^\circ} $ $-2.13\ensuremath{^\circ} $ - <1.9 SNR
Tycho $120.07\ensuremath{^\circ} $ $+1.44\ensuremath{^\circ} $ - <2.0 SNR
SN 1987A $279.70\ensuremath{^\circ} $ $-31.94\ensuremath{^\circ} $ - <1.0 SNR
SN 1006 $327.58\ensuremath{^\circ} $ $+14.59\ensuremath{^\circ} $ - <1.3 SNR
Lupus Loop $329.80\ensuremath{^\circ} $ $+16.00\ensuremath{^\circ} $ - <1.3 SNR
Cygnus $79\ensuremath{^\circ} $ $0\ensuremath{^\circ} $ $5\ensuremath{^\circ} $ <1.8 Star forming region (26 Al source)
Vela $265\ensuremath{^\circ} $ $0\ensuremath{^\circ} $ $5\ensuremath{^\circ} $ <2.6 Star forming region (26 Al source)
Carina $286.5\ensuremath{^\circ} $ $+0.5\ensuremath{^\circ} $ - <2.2 Star forming region (26 Al source)
M 22 $9.89\ensuremath{^\circ} $ $-7.55\ensuremath{^\circ} $ - <0.8 Globular Cluster
Palomar 13 $87.10\ensuremath{^\circ} $ $-42.70\ensuremath{^\circ} $ - <7.0 Globular Cluster
$\omega$ Cen $309.10\ensuremath{^\circ} $ $+14.97\ensuremath{^\circ} $ - <1.7 Globular Cluster
NGC 6397 $338.16\ensuremath{^\circ} $ $-11.96\ensuremath{^\circ} $ - <1.2 Globular Cluster
M 4 $350.97\ensuremath{^\circ} $ $+15.97\ensuremath{^\circ} $ - <1.1 Globular Cluster
Sgr dwarf $5.61\ensuremath{^\circ} $ $-14.10\ensuremath{^\circ} $ $ 8\ensuremath{^\circ} $ <1.7 Dwarf Galaxy
M31 $121.17\ensuremath{^\circ} $ $-21.57\ensuremath{^\circ} $ $3\ensuremath{^\circ} $ <11.8 Galaxy
LMC $280.47\ensuremath{^\circ} $ $-32.89\ensuremath{^\circ} $ $10.8\ensuremath{^\circ} $ <4.7 Irregular Galaxy
QSO B2251-179 $46.20\ensuremath{^\circ} $ $-61.33\ensuremath{^\circ} $ - <2.9 QSO
3C 273 $289.95\ensuremath{^\circ} $ $+64.36\ensuremath{^\circ} $ - <1.2 QSO
3C 279 $305.10\ensuremath{^\circ} $ $+57.06\ensuremath{^\circ} $ - <1.3 Blazar
Cen A $309.52\ensuremath{^\circ} $ $+19.42\ensuremath{^\circ} $ - <1.7 Radio Galaxy
Coma cluster $58.08\ensuremath{^\circ} $ $+87.96\ensuremath{^\circ} $ $4\ensuremath{^\circ} $ <2.0 Galaxy Cluster
Perseus cluster $150.58\ensuremath{^\circ} $ $-13.26\ensuremath{^\circ} $ $4\ensuremath{^\circ} $ <4.5 Galaxy Cluster
Virgo cluster $281.63\ensuremath{^\circ} $ $+75.18\ensuremath{^\circ} $ $12\ensuremath{^\circ} $ <2.5 Galaxy Cluster


Source LaTeX | All tables | In the text

Article Contents
1 Introduction
2 Observations and data preparation
3 Background modelling
4 Results
5 Discussion
6 Conclusions
Appendix A: Summary of galactic density profiles
References
List of tables
List of figures