
Optical Image
(3 arcmin on a side)
| Swift Name: | SWIFT J2021.9+4400 |
| RA: | 305.467 (J2000) |
| Dec: | 44.011 (J2000) |
| S/N: | 6.43 |
| Counterpart Name: | 2MASX J20214907+4400399 |
| Ctpt RA: | 305.4544 (J2000) |
| Ctpt Dec: | 44.0110 (J2000) |
| Flux: | 14.80 (12.47, 17.03) × 10-12 ergs s-1 cm-2, (14-195 keV) |
| Gamma: | 1.70 (1.32, 2.10) |
| Chi2r: | 1.10 |
| Redshift: | 0.0170 |
| Luminosity: | 42.98 log[ergs s-1] (14-195 keV) |
| AS: | |
| Class: | 50 |
| Type: | Sy2 |

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2021.9+4400
Lightcurve:
Data last modified: 04 Jan 2018
Page last modified: 10 Sep 2020