| Source Number: | 185 |
| Swift Name: | SWIFT J1157.8+5529 |
| RA: | 179.446 (J2000) |
| Dec: | 55.477 (J2000) |
| S/N: | 6.32 |
| Counterpart Name: | NGC 3998 |
| Other Name: | |
| Ctpt RA: | 179.4839 (J2000) |
| Ctpt Dec: | 55.4536 (J2000) |
| Flux: | 3.03 (±0.48) × 10-11ergs s-1 cm-2, (14-195 keV) |
| C: | |
| Hrat: | 0.51 (±0.07) |
| Redshift: | 0.0035 |
| Lum: | 41.76 log[ergs s-1] (14-195 keV) |
| Type: | Sy1 LINER |

BAT 4-Day Light Curve for SWIFT J1157.8+5529
All BAT 22-Month Lightcurves:
Data last updated: 19 Mar 2012