The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J2253.9+1608
RA:343.4838 (J2000)
Dec:16.1480 (J2000)
S/N:62.11
Counterpart Name:3C 454.3
Ctpt RA:343.4906 (J2000)
Ctpt Dec:16.1482 (J2000)
Flux:136.19 (132.25, 140.21) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.45 (1.41, 1.50)
Chi2r:5.60
Redshift:0.8590
Luminosity:47.70 log[ergs s-1] (14-195 keV)
AS:1
Class:7
Type:BZQ

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2253.9+1608

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2253.9+1608

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J2253.9+1608

BAT Spectrum for SWIFT J2253.9+1608

BAT Hard X-ray Transient Source Page:

Data last modified: 15 Sep 2025
Page last modified: 03 Jun 2025