G40.5−0.5    

• Right Ascension: 19 07 10
• Declination: +06 31
• Size (/arcmin): 22
• Type: S
• Flux density at 1 GHz (/Jy): 11
• Spectral Index: 0.5

Radio: Shell, brightest to the NE.

References:

• Altenhoff et al. 1979, A&AS, 35, 23. Effelsberg 100-m at 4.9 GHz (2'.6). ADS
• Downes et al. 1980, A&A, 92, 47. Effelsberg 100-m at 1.7 GHz (7'.6: S=9.3±1.3 Jy), and 2.7 GHz (4'.4: S=7.2±0.5 Jy), plus review of flux densities. ADS
• Aharonian et al. 2001, A&A, 375, 1008. Limit on high energy γ-rays. ADS
• Yang et al. 2006, ChJAA, 6, 210. CO observations of surroundings. ADS
• Abdo et al. 2007, ApJ, 664, L91. γ-ray observations. ADS

Last updated: 19 Feb 2009