Fig. 2
1665 and 1667 MHz OH absorption and the H2O profiles towards the Sgr A complex. The upper (cyan) line profiles refer to the 1665 MHz OH line, and the deeper (blue) absorption profiles belong to the 1667 MHz OH line. The (red) profiles in the middle of the diagrams are the H2O profiles. The scale on the left side of the diagrams (0 to −60 Jy/beam) corresponds to the OH absorption, and the scale on the right side (±0.6 K) is the antenna temperature of the H2O profiles. The equatorial offset coordinates from Sgr A* are given in the upper right corner in each figure. Our high resolution OH data have been convolved here with a 126′′ circular beam to resemble the angular resolution of the Odin H2O data.
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