General Information:
| Swift Name: | SWIFT J1558.9+3504 |
| RA: | 239.7276 (J2000) |
| Dec: | 35.0728 (J2000) |
| S/N: | 5.28 |
| Counterpart Name: | Mrk 493 |
| Ctpt RA: | 239.7901 (J2000) |
| Ctpt Dec: | 35.0299 (J2000) |
| Flux: | 7.23 (4.94, 9.93) × 10-12 ergs s-1 cm-2, (14-195 keV) |
| Gamma: | 2.39 (1.87, 3.08) |
| Chi2r: | 0.54 |
| Redshift: | 0.0310 |
| Luminosity: | 43.22 log[ergs s-1] (14-195 keV) |
| AS: | |
| Class: | 4 |
| Type: | Sy1 |
BAT 157-Month Lightcurve:
Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1558.9+3504
Lightcurve:
Data last modified: 15 Sep 2025
Page last modified: 03 Jun 2025
- Curator: J.D. Myers
- NASA Official: Phil Newman
- Swift PI: Brad Cenko
- PAO Contact: Francis Reddy
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