The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J0251.3+5441
RA:42.6966 (J2000)
Dec:54.7145 (J2000)
S/N:11.18
Counterpart Name:2MFGC 02280
Ctpt RA:42.6775 (J2000)
Ctpt Dec:54.7049 (J2000)
Flux:23.90 (20.64, 27.33) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.60 (1.41, 1.79)
Chi2r:1.74
Redshift:0.0152
Luminosity:43.11 log[ergs s-1] (14-195 keV)
AS:1
Class:5
Type:Sy2

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J0251.3+5441

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J0251.3+5441

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J0251.3+5441

BAT Spectrum for SWIFT J0251.3+5441

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