Table 3.
MIR, X-ray, and SED AGN frequencies in Sbar, Wbar, and Abar disc galaxies, compared to their respective matched Ubar control samples.
| Type | AGN freq. | AGN freq. | Excess | AGN freq. | AGN freq. | Excess | AGN freq. | AGN freq. | Excess |
|---|---|---|---|---|---|---|---|---|---|
| in Sbar | in Ubar contr. | in Wbar | in Ubar contr. | in Abar | in Ubar contr. | ||||
| MIR | 0.4 ± 0.2% | 0.05 ± 0.02% | 8 ± 5 | 0.2 ± 0.1% | 0.05 ± 0.02% | 4 ± 3 | 0.3 ± 0.1% | 0.05 ± 0.2% | 6 ± 3 |
| (5/1137) | (6/11 370) | (2/1049) | (5/10 490) | (7/2186) | (11/21 860) | ||||
| X-ray | 2.0 ± 0.4% | 0.7 ± 0.1% | 2.9 ± 0.7 | 1.6 ± 0.4% | 0.7 ± 0.1% | 2.5 ± 0.7 | 1.8 ± 0.3% | 0.7 ± 0.1% | 2.7 ± 0.5 |
| (23/1137) | (79/11 370) | (17/1049) | (69/10 490) | (40/2186) | (148/21 860) | ||||
| SED | 11 ± 1% | 9.6 ± 0.3% | 1.2 ± 0.1 | 15 ± 1% | 14.1 ± 0.3% | 1.07 ± 0.08 | 13.2 ± 0.7% | 11.8 ± 0.2% | 1.12 ± 0.06 |
| (130/1137) | (1097/11 370) | (158/1049) | (1481/10 490) | (288/2186) | (2578/21 860) |
Notes. The ‘Excess’ column reports the ratio of AGN frequency in the barred sample to that in its control sample. Errors are calculated using binomial statistics. Numbers in brackets indicate the raw count of AGN over the total number of galaxies in each specific sample.
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