The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1239.6-0519
RA:189.9109 (J2000)
Dec:-5.3397 (J2000)
S/N:44.46
Counterpart Name:NGC 4593
Ctpt RA:189.9143 (J2000)
Ctpt Dec:-5.3443 (J2000)
Flux:84.35 (80.88, 87.89) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.83 (1.77, 1.89)
Chi2r:3.29
Redshift:0.0090
Luminosity:43.19 log[ergs s-1] (14-195 keV)
AS:1
Class:4
Type:Sy1

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1239.6-0519

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1239.6-0519

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1239.6-0519

BAT Spectrum for SWIFT J1239.6-0519

BAT Hard X-ray Transient Source Page:

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