The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1654.0+3946
RA:253.4686 (J2000)
Dec:39.7624 (J2000)
S/N:60.77
Counterpart Name:Mrk 501
Ctpt RA:253.4676 (J2000)
Ctpt Dec:39.7602 (J2000)
Flux:85.60 (83.08, 88.18) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.33 (2.28, 2.38)
Chi2r:4.25
Redshift:0.0337
Luminosity:44.36 log[ergs s-1] (14-195 keV)
AS:1
Class:7
Type:BZB

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1654.0+3946

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1654.0+3946

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1654.0+3946

BAT Spectrum for SWIFT J1654.0+3946

BAT Hard X-ray Transient Source Page:

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