Table 4
Top 50 candidate pulsar-type matches to 4FGL sources.
# | αX deg | δX deg | σX arcsec | ℒdet | ℒext | Source_Name_4FGL | ![]() |
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Comment |
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1 | 236.06418 | −25.92528 | 3.0 | 19.8 | 0.0 | 4FGL J1544.2−2554 | 0.997 | 0.753 | 0.000 | 0.753 | 0.001 | |
2 | 197.23184 | −62.41172 | 1.6 | 180 | 0.0 | 4FGL J1309.1−6223 | 0.997 | 0.637 | 0.630 | 0.007 | 0.003 | |
3 | 253.31237 | −43.82513 | 4.2 | 5.2 | 0.0 | 4FGL J1653.2−4349 | 0.989 | 0.563 | 0.562 | 0.000 | 0.000 | |
4 | 143.50470 | −62.56495 | 2.5 | 38 | 0.0 | 4FGL J0933.8−6232 | 1.000 | 0.540 | 0.032 | 0.509 | 0.000 | (a) |
5 | 244.20254 | −53.69458 | 2.3 | 48 | 0.0 | 4FGL J1616.6−5341 | 1.000 | 0.480 | 0.176 | 0.303 | 0.000 | (b) |
6 | 252.34131 | −44.73401 | 1.8 | 112 | 0.0 | 4FGL J1649.3−4441 | 0.990 | 0.477 | 0.460 | 0.017 | 0.009 | (b) |
7 | 118.04167 | −29.50531 | 1.6 | 217 | 0.0 | 4FGL J0752.0−2931 | 0.999 | 0.452 | 0.436 | 0.016 | 0.003 | (c) |
8 | 263.86181 | −29.75370 | 7.7 | 18.0 | 6.1 | 4FGL J1735.4−2944 | 0.913 | 0.451 | 0.427 | 0.024 | 0.291 | |
9 | 201.34839 | −54.23968 | 3.8 | 10.3 | 0.0 | 4FGL J1325.3−5413 | 0.968 | 0.448 | 0.018 | 0.430 | 0.005 | (d) |
10 | 266.41332 | −36.42802 | 3.0 | 37 | 0.0 | 4FGL J1745.6−3626 | 0.751 | 0.448 | 0.023 | 0.425 | 0.267 | |
11 | 236.33279 | −45.90416 | 2.2 | 77 | 0.0 | 4FGL J1545.2−4553 | 0.911 | 0.361 | 0.024 | 0.337 | 0.131 | |
12 | 260.52566 | −32.08855 | 4.2 | 5.4 | 0.0 | 4FGL J1722.1−3205 | 0.971 | 0.349 | 0.033 | 0.316 | 0.003 | |
13 | 209.23867 | −61.38800 | 1.8 | 130 | 0.0 | 4FGL J1357.3−6123 | 0.952 | 0.348 | 0.337 | 0.011 | 0.037 | (b, e) |
14 | 236.81672 | −48.00443 | 3.5 | 16.1 | 0.0 | 4FGL J1547.4−4802 | 0.944 | 0.348 | 0.035 | 0.313 | 0.018 | |
15 | 183.49466 | −44.25681 | 4.0 | 10.8 | 0.0 | 4FGL J1213.9−4416 | 0.945 | 0.335 | 0.002 | 0.332 | 0.007 | |
16 | 214.66390 | −61.19200 | 5.2 | 10.3 | 0.0 | 4FGL J1418.7−6110 | 0.917 | 0.326 | 0.318 | 0.007 | 0.005 | |
17 | 260.15801 | −26.87634 | 2.5 | 33 | 0.0 | 4FGL J1720.6−2653c | 0.400 | 0.324 | 0.031 | 0.293 | 0.539 | |
18 | 245.57301 | −72.05278 | 4.1 | 13.2 | 0.0 | 4FGL J1622.2−7202 | 0.997 | 0.323 | 0.000 | 0.323 | 0.001 | |
19 | 253.57303 | −49.11719 | 3.3 | 12.6 | 0.0 | 4FGL J1654.2−4907c | 0.287 | 0.319 | 0.046 | 0.273 | 0.306 | |
20 | 246.53852 | −49.29462 | 2.6 | 28.3 | 0.0 | 4FGL J1626.0−4917c | 0.483 | 0.311 | 0.293 | 0.018 | 0.248 | |
21 | 225.02645 | −58.77219 | 5.1 | 7.5 | 0.0 | 4FGL J1500.1−5846 | 0.509 | 0.306 | 0.301 | 0.005 | 0.068 | |
22 | 171.97380 | −62.02326 | 1.5 | 163 | 0.0 | 4FGL J1127.9−6158 | 0.998 | 0.303 | 0.291 | 0.012 | 0.001 | (f) |
23 | 126.56484 | −50.90072 | 4.2 | 8.9 | 0.0 | 4FGL J0826.1−5053 | 0.986 | 0.301 | 0.002 | 0.298 | 0.001 | |
24 | 92.18263 | 20.59542 | 4.0 | 39 | 0.0 | 4FGL J0608.8+2034c | 0.969 | 0.299 | 0.286 | 0.013 | 0.018 | |
25 | 249.93840 | −46.68515 | 4.9 | 10.2 | 0.0 | 4FGL J1639.8−4642c | 0.957 | 0.280 | 0.279 | 0.001 | 0.001 | (e) |
26 | 118.73457 | −39.88257 | 4.4 | 7.4 | 0.0 | 4FGL J0754.9−3953 | 1.000 | 0.279 | 0.003 | 0.276 | 0.000 | |
27 | 252.85143 | −44.36273 | 1.1 | 1220 | 0.0 | 4FGL J1650.9−4420c | 0.915 | 0.279 | 0.270 | 0.009 | 0.258 | (b, e) |
28 | 254.16530 | −48.22062 | 2.6 | 39 | 0.0 | 4FGL J1656.9−4814 | 0.722 | 0.270 | 0.077 | 0.194 | 0.110 | |
29 | 194.20780 | −63.66546 | 4.2 | 6.8 | 0.0 | 4FGL J1257.0−6339 | 0.959 | 0.265 | 0.155 | 0.111 | 0.001 | |
30 | 221.32135 | −60.00743 | 3.1 | 18.7 | 0.0 | 4FGL J1445.1−5958c | 0.816 | 0.259 | 0.254 | 0.005 | 0.027 | |
31 | 244.81362 | −50.78953 | 3.2 | 22.0 | 0.0 | 4FGL J1619.3−5047 | 0.982 | 0.258 | 0.253 | 0.005 | 0.002 | |
32 | 259.37013 | −44.03974 | 2.4 | 62 | 0.0 | 4FGL J1717.6−4404 | 0.760 | 0.253 | 0.095 | 0.158 | 0.238 | |
33 | 258.72454 | −33.38508 | 3.6 | 10.9 | 0.0 | 4FGL J1714.9−3324 | 0.999 | 0.252 | 0.046 | 0.206 | 0.000 | |
34 | 264.39070 | −33.54471 | 2.5 | 22.3 | 0.0 | 4FGL J1737.3−3332 | 0.942 | 0.250 | 0.212 | 0.038 | 0.007 | (b) |
35 | 198.12297 | −62.57599 | 2.4 | 41 | 0.0 | 4FGL J1312.6−6231c | 0.987 | 0.245 | 0.200 | 0.045 | 0.004 | |
36 | 246.65399 | −48.96485 | 3.5 | 18.8 | 0.0 | 4FGL J1626.5−4858c | 0.882 | 0.237 | 0.231 | 0.006 | 0.013 | (b) |
37 | 252.33402 | −45.23386 | 4.2 | 15.8 | 0.0 | 4FGL J1649.2−4513c | 0.964 | 0.232 | 0.221 | 0.011 | 0.002 | |
38 | 148.43061 | −15.16169 | 5.3 | 5.2 | 0.0 | 4FGL J0953.6−1509 | 1.000 | 0.229 | 0.000 | 0.228 | 0.000 | |
39 | 251.25342 | −41.38724 | 2.7 | 27.5 | 0.0 | 4FGL J1645.1−4123c | 0.947 | 0.228 | 0.022 | 0.206 | 0.031 | |
40 | 254.48273 | −46.92163 | 1.9 | 96 | 0.0 | 4FGL J1657.7−4656c | 0.527 | 0.226 | 0.102 | 0.123 | 0.433 | (b) |
41 | 243.00184 | −51.42570 | 3.7 | 17.5 | 0.0 | 4FGL J1611.9−5125c | 0.957 | 0.224 | 0.222 | 0.002 | 0.001 | (b) |
42 | 86.16917 | 22.63266 | 2.8 | 44 | 0.0 | 4FGL J0544.4+2238 | 0.688 | 0.222 | 0.180 | 0.042 | 0.103 | |
43 | 228.44197 | −15.34978 | 4.9 | 9.2 | 0.0 | 4FGL J1513.7−1519 | 0.989 | 0.219 | 0.002 | 0.217 | 0.004 | |
44 | 246.72777 | −42.87342 | 2.9 | 25.0 | 0.0 | 4FGL J1626.6−4251 | 0.908 | 0.217 | 0.025 | 0.192 | 0.016 | (b) |
45 | 205.67808 | −57.48130 | 4.0 | 17.2 | 0.0 | 4FGL J1342.6−5730 | 0.473 | 0.216 | 0.064 | 0.152 | 0.281 | |
46 | 275.72745 | −47.31907 | 5.3 | 5.2 | 0.0 | 4FGL J1822.9−4718 | 0.961 | 0.212 | 0.000 | 0.212 | 0.008 | |
47 | 213.09350 | −60.30956 | 2.4 | 37 | 0.0 | 4FGL J1412.2−6018 | 0.427 | 0.212 | 0.191 | 0.021 | 0.625 | |
48 | 254.33750 | −39.28219 | 3.9 | 13.1 | 0.0 | 4FGL J1657.4−3917c | 0.630 | 0.211 | 0.083 | 0.128 | 0.059 | |
49 | 198.15828 | −62.95837 | 3.1 | 18.7 | 0.0 | 4FGL J1312.3−6257 | 0.606 | 0.209 | 0.201 | 0.008 | 0.025 | |
50 | 262.51595 | −34.32575 | 3.1 | 22.1 | 0.0 | 4FGL J1730.1−3422 | 0.930 | 0.208 | 0.193 | 0.014 | 0.002 |
Notes. The full list of sources is available online at CDS. The columns αX, δX, σX give the position and uncertainty of the matched X−ray source; ℒdet and ℒext specify its detection and extent likelihood (Brunner et al. 2022). gives the prior probability of the respective γ-ray source to correspond to a pulsar (Sect. 3.1). Finally,
indicates the Bayesian probability for a particular X-ray source to be the correct match and for the source’s nature to be a pulsar (blazar), respectively.
and
show the same for the young pulsar and MSP subtypes. The entries have been sorted by descending
. (a)Identifled as likely MSP in Dai et al. (2017). (b)Possible stellar counterpart. (c)Star-rich region. (d)Possible binary counterpart. (e)Classified as likely blazar by Kerby et al. (2021a). (ƒ)Possible Be star counterpart. (g)Classified as likely pulsar by Kerby et al. (2021a).
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