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Table 2
The list of Chandra observations analyzed in this paper.
| Galaxy | Obs-ID | Instrument | Exp. (ks) | Galaxy | Obs-ID | Instrument | Exp. (ks) | Galaxy | Obs-ID | Instrument | Exp. (ks) |
|
|
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| M 31(1) | 0303 | ACIS-I | 12.01 | M 31(1) | 7064 | ACIS-I | 29.07 | M 81 | 5937 | ACIS-S | 12.16 |
| M 31(1) | 0305 | ACIS-I | 4.18 | M 31(1) | 7068 | ACIS-I | 9.62 | M 81 | 5938 | ACIS-S | 11.96 |
| M 31(1) | 0306 | ACIS-I | 4.18 | M 31(1) | 7136 | ACIS-I | 4.96 | M 81 | 5939 | ACIS-S | 11.96 |
| M 31(1) | 0307 | ACIS-I | 4.17 | M 31(1) | 7137 | ACIS-I | 4.91 | M 81 | 5940 | ACIS-S | 12.13 |
| M 31(1) | 0308 | ACIS-I | 4.06 | M 31(1) | 7138 | ACIS-I | 5.11 | M 81 | 5941 | ACIS-S | 11.96 |
| M 31(1) | 0309 | ACIS-S | 5.16 | M 31(1) | 7139 | ACIS-I | 4.96 | M 81 | 5942 | ACIS-S | 12.11 |
| M 31(1) | 0310 | ACIS-S | 5.14 | M 31(1) | 7140 | ACIS-I | 5.12 | M 81 | 5943 | ACIS-S | 12.17 |
| M 31(1) | 0311 | ACIS-I | 4.96 | M 31(1) | 8183 | ACIS-I | 4.95 | M 81 | 5944 | ACIS-S | 11.96 |
| M 31(1) | 0312 | ACIS-I | 4.73 | M 31(1) | 8184 | ACIS-I | 5.18 | M 81 | 5945 | ACIS-S | 11.72 |
| M 31(1) | ∗1575 | ACIS-S | 38.15 | M 31(1) | 8185 | ACIS-I | 4.95 | M 81 | 5946 | ACIS-S | 12.17 |
| M 31(1) | 1577 | ACIS-I | 4.98 | M 31(1) | 8191 | ACIS-I | 4.95 | M 81 | 5947 | ACIS-S | 10.84 |
| M 31(1) | 1581 | ACIS-I | 4.46 | M 31(1) | 8192 | ACIS-I | 5.09 | M 81 | 5948 | ACIS-S | 12.18 |
| M 31(1) | 1582 | ACIS-I | 4.36 | M 31(1) | 8193 | ACIS-I | 5.16 | M 81 | 5949 | ACIS-S | 12.18 |
| M 31(1) | 1583 | ACIS-I | 5.00 | M 31(1) | 8194 | ACIS-I | 5.04 | M 81 | 9122 | ACIS-S | 10.04 |
| M 31(1) | 1585 | ACIS-I | 4.95 | M 31(1) | 8195 | ACIS-I | 4.95 | Maffei 1 | 5619 | ACIS-S | 55.75 |
| M 31(1) | 1854 | ACIS-S | 4.75 | M 31(2) | 0313 | ACIS-S | 6.05 | N3379 | 1587 | ACIS-S | 31.92 |
| M 31(1) | 2895 | ACIS-I | 4.94 | M 31(2) | 0314 | ACIS-S | 5.15 | N3379 | ∗7073 | ACIS-S | 85.18 |
| M 31(1) | 2896 | ACIS-I | 4.97 | M 31(2) | 1576 | ACIS-I | 4.95 | N3379 | 7074 | ACIS-S | 69.95 |
| M 31(1) | 2897 | ACIS-I | 4.97 | M 31(2) | 1580 | ACIS-S | 5.13 | N3379 | 7075 | ACIS-S | 84.18 |
| M 31(1) | 2898 | ACIS-I | 4.96 | M 31(2) | 1584 | ACIS-I | 4.97 | N3379 | 7076 | ACIS-S | 70.14 |
| M 31(1) | 4360 | ACIS-I | 4.97 | M 31(2) | 2049 | ACIS-S | 14.76 | N4697 | 784 | ACIS-S | 39.76 |
| M 31(1) | 4678 | ACIS-I | 4.87 | M 31(2) | 2050 | ACIS-S | 13.21 | N4697 | ∗4727 | ACIS-S | 40.45 |
| M 31(1) | 4679 | ACIS-I | 4.77 | M 31(2) | 2051 | ACIS-S | 13.80 | N4697 | 4728 | ACIS-S | 36.16 |
| M 31(1) | 4680 | ACIS-I | 5.24 | M 31(2) | 2894 | ACIS-I | 4.72 | N4697 | 4729 | ACIS-S | 38.61 |
| M 31(1) | 4681 | ACIS-I | 5.13 | M 31(2) | 2899 | ACIS-I | 4.97 | N4697 | 4730 | ACIS-S | 40.58 |
| M 31(1) | 4682 | ACIS-I | 4.93 | M 31(2) | 2901 | ACIS-I | 4.68 | N4278 | 4741 | ACIS-S | 37.94 |
| M 31(1) | 4719 | ACIS-I | 5.10 | M 31(2) | 2902 | ACIS-I | 4.76 | N4278 | ∗7077 | ACIS-S | 111.72 |
| M 31(1) | 4720 | ACIS-I | 5.14 | M 31(2) | ∗4536 | ACIS-S | 54.94 | N4278 | 7078 | ACIS-S | 52.09 |
| M 31(1) | 4721 | ACIS-I | 5.16 | M 81 | ∗0735 | ACIS-S | 50.56 | N4278 | 7079 | ACIS-S | 106.42 |
| M 31(1) | 4722 | ACIS-I | 4.87 | M 81 | 5935 | ACIS-S | 11.12 | N4278 | 7080 | ACIS-S | 56.54 |
| M 31(1) | 4723 | ACIS-I | 5.05 | M 81 | 5936 | ACIS-S | 11.55 | N4278 | 7081 | ACIS-S | 112.14 |
Notes. M 31(1) is the bulge region and M 31(2) is the disk region. The observations marked by “*” were used as the reference when combining the data.
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