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Fig. 1
Field of RCW 49. Emission at 843 MHz (Whiteoak & Uchida 1997) is presented in contours and grayscale (in units of Jy). The positions of the two very bright stars WR 20a (member of Westerlund 2) and WR 20b and of the high-energy sources 2FGLJ 1022–5741.7, 2FGLJ 1023.5−5749c, HESS J1023–575, and PSR J1022–5746 are shown.
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