The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1231.4+5758
RA:187.8169 (J2000)
Dec:57.9955 (J2000)
S/N:4.78
Counterpart Name:NGC 4500
Ctpt RA:187.8423 (J2000)
Ctpt Dec:57.9646 (J2000)
Flux:5.58 (3.68, 7.87) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.36 (1.83, 3.04)
Chi2r:0.60
Redshift:0.0104
Luminosity:42.14 log[ergs s-1] (14-195 keV)
AS:1
Class:5
Type:Sy2

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1231.4+5758

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1231.4+5758

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1231.4+5758

BAT Spectrum for SWIFT J1231.4+5758

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