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Table 1.
Blazars observed by Swift with short and frequent, mostly daily XRT exposures in PC mode.
Blazar name | No. of XRT | No. of detections | ⟨rate⟩ (b) | MAD (c) |
---|---|---|---|---|
observations (a) | below pileup limit | (cts s−1) | (%) | |
OJ 287 | 304 | 303 | 0.202 | 23.3 |
3C 279 | 282 | 261 | 0.355 | 17.5 |
PKS 1510−089 | 218 | 218 | 0.217 | 16.6 |
S5 0716+714 | 185 | 156 | 0.294 | 34.0 |
PG 1553+113 | 165 | 33 | 1.040 | 41.3 |
PKS 0235+164 | 158 | 155 | 0.048 | 40.5 |
PKS 0208−512 | 140 | 140 | 0.063 | 23.3 |
BZQJ 1635+3808 | 130 | 130 | 0.105 | 47.1 |
1ES 2344+514 | 126 | 64 | 0.599 | 26.7 |
PKS 0528+134 | 116 | 116 | 0.035 | 48.0 |
ON 231 | 113 | 112 | 0.057 | 25.8 |
CTA 102 | 110 | 89 | 0.322 | 50.9 |
1H 0323+342 | 108 | 88 | 0.426 | 23.7 |
MS 1207.9+3945 | 103 | 103 | 0.084 | 21.5 |
PKS 0921−213 | 94 | 94 | 0.216 | 19.9 |
NRAO 530 | 89 | 89 | 0.045 | 19.0 |
3C 66A | 83 | 83 | 0.100 | 28.1 |
PKS 1222+216 | 73 | 73 | 0.111 | 22.2 |
TXS 0506+056 (d) | 49 | 49 | 0.053 | 23.5 |
Notes.
(d)
Blazar associated with the IceCube high-energy neutrino IC170922 and other IceCube neutrinos (Padovani et al. 2018).
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