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Fig. 2

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K-band infrared image from the 2MASS survey, centered at IRAS 17239–2812. The white cross marks the location of the radio source NVSS J172702–281525, the black cross is at the position of the SiO maser emission in our data, and the green square is at the catalog position of TXS 1723–282. The blue circle is centered at the optical source Gaia DR3 4059869891553026048. Coordinates are in the equatorial (equinox J2000) system.

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