Table 1.
First ten rows of the table summarizing the results of our UGS X-ray analysis.
| Name 3FGL | N | Name XRT | S/N | Soft | Hard | FX | Ang. sep. | Notes |
|---|---|---|---|---|---|---|---|---|
| counts | counts | [erg cm−2 s−1 × 10−13] | [arcmin] | |||||
| 3FGLJ0006.2+0135 | 1 | SWXRTJ000606.0+013121 | 3.9 | 12.5 ± 4.5 | 0.01 ± 0.1 | 1.9 ± 0.5 | 4.7 | N,w,s |
| 3FGLJ0017.1+1445 | 1 | SWXRTJ001721.2+145042 | 3.7 | 11.3 ± 3.9 | 1.1 ± 1.5 | 1.8 ± 0.5 | 5.7 | w,s |
| 3FGLJ0020.9+0323 | 1 | SWXRTJ002116.0+032846 | 3.2 | 10.1 ± 3.6 | 3.3 ± 2.1 | 1.4 ± 0.5 | 7.2 | w,s |
| 3FGLJ0031.6+0938 | 1 | SWXRTJ003159.7+093617 | 5.0 | 23.9 ± 5.7 | 3.7 ± 2.3 | 4.0 ± 0.8 | 5.2 | w,s |
| 3FGLJ0032.3−5522 | 1 | SWXRTJ003228.0−551223 | 3.3 | 8.1 ± 3.4 | 9.5 ± 3.6 | 0.8 ± 0.2 | 9.8 | w |
| 2 | SWXRTJ003149.7−552551 | 3.9 | 12.4 ± 4.0 | 3.5 ± 2.5 | 1.0 ± 0.3 | 6.0 | w | |
| 3FGLJ0032.5+3912 | 1 | SWXRTJ003159.5+391003 | 3.1 | 25.5 ± 5.1 | 4.1 ± 2.6 | 1.3 ± 0.4 | 7.4 | w,s |
| 2 | SWXRTJ003209.8+392033 | 3.9 | 12.5 ± 4.1 | 8.1 ± 3.2 | 2.1 ± 0.6 | 9.2 | w,s | |
| 3FGLJ0049.0+4224 | 1 | SWXRTJ004859.1+422348 | 7.1 | 48.9 ± 7.8 | 8.0 ± 3.4 | 7.0 ± 0.9 | 1.0 | N,w,s |
| 3FGLJ0121.8−3917 | 1 | SWXRTJ012152.5−391544 | 20.3 | 306.1 ± 19.0 | 107.9 ± 12.0 | 36.0 ± 0.3 | 1.5 | N,w |
Notes. In Col. 1 we report the source name as listed in the 3FGL catalog, in Col. 2 the XRT counterpart identifier indicating also the number of X-ray sources potentially associated with the γ-ray object, in Col. 3 the Swift/XRT source designation, in Col. 4 the signal to noise ratio, in Cols. 5 and 6 the total counts and their uncertainties in the soft (0.5−2 keV) and hard (2−10 keV) X-ray bands, in Col. 7 we report the full band FX together with its 1σ uncertainty, assuming a power-law model with a photon index of 2.0, and in Col. 8 the angular separation between the XRT and 3FGL position centroids. Then in Col. 9 we report notes on the multifrequency archival data found for each source (Peña-Herazo et al. 2019): we mark N those sources having a radio counterpart in the NRAO VLA Sky Survey (NVSS, Condon et al. 1998), w for WISE All-Sky Survey Catalog (Wright et al. 2010), s for Sloan Digital Sky Survey Data Release 9 (SDSS, Ahn et al. 2012), and S for Sydney University Molonglo Sky Survey (SUMSS, Mauch et al. 2003).
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