The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J2123.9+3401
RA:321.0127 (J2000)
Dec:34.0566 (J2000)
S/N:3.85
Counterpart Name:2MASX J21240027+3409114
Ctpt RA:321.0012 (J2000)
Ctpt Dec:34.1531 (J2000)
Flux:6.53 (4.09, 9.28) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.22 (1.70, 2.93)
Chi2r:2.78
Redshift:0.0830
Luminosity:44.06 log[ergs s-1] (14-195 keV)
AS:1
Class:4
Type:Sy1

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2123.9+3401

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2123.9+3401

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J2123.9+3401

BAT Spectrum for SWIFT J2123.9+3401

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