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Table 2
Summary of the gas components of the interstellar gas in the inner 10 pc around SgrA*, ordered by decreasing density.
| #Component | Name | nH | Shape |
|---|---|---|---|
| 1 | Circumnuclear disk (CND) | 4.4 × 105 cm−3 | Trapezoidal ring |
| 2 | Molecular ridge (MR) | 3 × 104 cm−3 | Curved cylinder |
| 3 | Southern streamer (SS) | 3 × 104 cm−3 | Curved cylinder |
| 4 | Western streamer (WS) | 3 × 104 cm−3 | Curved cylinder |
| 5 | Northern ridge (NR) | 3 × 104 cm−3 | Curved cylinder |
| 6 | M-0.13-0.08/ 20 km s−1 (SC) | 2 × 104 cm−3 | Ellipsoid |
| 7 | M−0.02−0.07/ 50 km s−1 (EC) | 2 × 104 cm−3 | Indented sphere |
| 8 | Central cavity (CC) | 1.6 × 103 cm−3 | Ellipsoid |
| 9 | Radio halo | 210 cm−3 | Sphere |
| 10 | Sgr A East SNR | 3 cm−3 | Ellipsoid |
Notes. Positions and shapes are taken from Ferrière (2012).
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