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Table 2.
Source classes of the 1FLE sources determined using the 3FGL associations.
| Description | Associated designator | Number |
|---|---|---|
| Pulsar | psr | 12 |
| Pulsar wind nebula | pwn | 2 |
| Supernova remnant | snr | 2 |
| Supernova remnant/pulsar wind nebula | spp | 5 |
| High mass binary | hmb | 1 |
| BL Lac type of blazar | bll | 31 |
| Flat spectrum radio quasar type of blazar | fsrq | 98 |
| Narrow-line seyfert 1 | nlsy1 | 1 |
| Radio galaxy | rdg | 3 |
| Steep spectrum radio quasar | ssrq | 1 |
| Normal galaxy (or part) | gal | 1 |
| Blazar candidate of uncertain type | bcu | 13 |
| Unclassified | bcu | 17 |
| Unassociated | – | 11 |
| Total in the 1FLE | 198 |
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