The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J2156.2+1724
RA:329.0432 (J2000)
Dec:17.3639 (J2000)
S/N:6.20
Counterpart Name:2MASX J21561518+1722525
Ctpt RA:329.0634 (J2000)
Ctpt Dec:17.3813 (J2000)
Flux:13.30 (9.75, 17.12) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.59 (1.23, 1.98)
Chi2r:0.59
Redshift:0.0342
Luminosity:43.57 log[ergs s-1] (14-195 keV)
AS:1
Class:4
Type:Sy1.8

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2156.2+1724

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2156.2+1724

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J2156.2+1724

BAT Spectrum for SWIFT J2156.2+1724

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