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Table 3

Details of the 16 detected UGS.

1FHL name NVSS assoc 2FGL name 3FGL name 2FHL name α a σ α Notes

J0053.9+4030 J005330+403015
J0307.4+4915 J030727+491510 J0307.4+4915 J0307.3+4916 J0307.4+4917 0.3 0.4 1,2,3
J0332.1+6307 J033153+630814 J0332.1+6309 J0332.0+6308 1.0 0.4 1,2,3
J0338.4+1304 J033829+130215 J0338.2+1306 J0338.5+1303 2.3 0.4 2,3
J0425.3+6320 J042524+632005 J0425.2+6319 J0425.1+6317
J0601.0+3838 J060102+383828 J0600.9+3839 J0601.0+3837 J0601.0+3837 0.2 0.4 1,2,3,5,6
J0605.4+2726 J060501+272456
J0644.2+6036 J064435+603849 J0644.6+6034 J0644.6+6035 2.7 0.4 1,3,4,5
J0650.4+2056 J065035+205556 J0650.5+2055 J0650.5+2056
J1212.2+2318 J121238+231110
J1223.3+7953 J122358+795329 J1223.3+7954 J1222.7+7952 0.7 0.4 1,2,3,5,7
J1548.3+1455 J154824+145702 J1548.3+1453 J1548.4+1455 1.1 0.4 2,3,5
J1619.8+7540 J161913+753753 J1619.1+7538
J1841.1+2914 J184121+290945 J1841.2+2910
J2002.6+6303 J200244+630230 J2002.7+6303
J2004.7+7003 J200506+700440 J2004.6+7004 J2004.8+7003 2.2 0.4 2,3,4,5

Notes. (1) Association also proposed by Massaro et al. (2013a). (2) Association also proposed by Massaro et al. (2015). (3) Association also proposed by Schinzel et al. (2015). (4) Association also proposed by Massaro et al. (2013b). (5) Association also proposed by Massaro et al. (2014). (6) Association also proposed by Paggi et al. (2013). (7) Association also proposed by Landi et al. (2015).

(a)

Spectral index calculated by using the 5 GHz VLBA flux densities of the present work together with the 7 GHz VLBA flux densities provided by Schinzel et al. (2015).

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