The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1157.8+5529

Optical Image
(3 arcmin on a side)

Swift Name:SWIFT J1157.8+5529
RA:179.463 (J2000)
Dec:55.443 (J2000)
S/N:9.37
Counterpart Name:NGC 3998
Ctpt RA:179.4839 (J2000)
Ctpt Dec:55.4536 (J2000)
Flux:13.23 (11.65, 15.42) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.02 (1.64, 2.46)
Chi2r:0.80
Redshift:0.0035
Luminosity:41.55 log[ergs s-1] (14-195 keV)
AS:
Class:50
Type:Sy1.9

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 579

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1157.8+5529

Lightcurve:

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1157.8+5529

BAT Spectrum for SWIFT J1157.8+5529

Data last modified: 04 Jan 2018
Page last modified: 10 Sep 2020