Table 1.
Estimated maximum temperature variation (central column) induced by the rkSZ effect at various radial regions (indicated in the left column) along the major axis of the M 31 halo.
| Region | Estimated | Observed |
|---|---|---|
| R | ΔTest | ΔTobs |
| (kpc) | (μK) | (μK) |
| 21.4 | 1.16 × 10−1 | 2.66 |
| 31.1 | 1.06 × 10−1 | 6.44 |
| 41.4 | 9.98 × 10−2 | 17.6 |
| 51.8 | 9.54 × 10−2 | 39.2 |
| 77.8 | 8.45 × 10−2 | 21.7 |
| 103.8 | 7.86 × 10−2 | 21.4 |
Notes. Equation (2) has been used and a hot gas temperature at T ≃ 106 K has been assumed. In the right column the SMICA observed temperature variation toward each region is also given.
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