The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1139.9+6553
RA:174.9726 (J2000)
Dec:65.8767 (J2000)
S/N:4.71
Counterpart Name:SWIFT J1139.9+6550
Ctpt RA:NA (J2000)
Ctpt Dec:NA (J2000)
Flux:4.73 (2.95, 6.91) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.49 (1.88, 3.32)
Chi2r:0.83
Redshift:NA
Luminosity:NA log[ergs s-1] (14-195 keV)
AS:7
Class:0
Type:Unknown

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1139.9+6553

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1139.9+6553

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1139.9+6553

BAT Spectrum for SWIFT J1139.9+6553

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