The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1721.7+4316
RA:260.5375 (J2000)
Dec:43.3005 (J2000)
S/N:7.60
Counterpart Name:RBS 1640
Ctpt RA:260.5083 (J2000)
Ctpt Dec:43.2567 (J2000)
Flux:12.19 (9.41, 15.22) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.94 (1.62, 2.30)
Chi2r:0.13
Redshift:0.1370
Luminosity:44.80 log[ergs s-1] (14-195 keV)
AS:1
Class:4
Type:Sy1.5

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1721.7+4316

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1721.7+4316

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1721.7+4316

BAT Spectrum for SWIFT J1721.7+4316

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