The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1157.8+5529

Optical Image
(3 arcmin on a side, red = DSS 2 IR,
green = DSS 2 red, blue = DSS 2 blue

Swift Name:SWIFT J1157.8+5529
RA:179.530 (J2000)
Dec:55.443 (J2000)
S/N:9.43
Counterpart Name:NGC 3998
Other Name:
Ctpt RA:179.4839 (J2000)
Ctpt Dec:55.4536 (J2000)
Flux:14.84 (11.64, 18.36) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination: 
Gamma:2.04 (1.73, 2.38)
Chi2r:0.40
Redshift:0.0035
Luminosity:41.60 log[ergs s-1] (14-195 keV)
AS: 
Class:4
Type:Sy1 LINER

BAT 70-Month Lightcurves:

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

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

Lightcurves:

BAT 70-Month Spectrum:

BAT Spectrum for SWIFT J1157.8+5529

BAT Spectrum for SWIFT J1157.8+5529

Data last modified: 23 May 2013
Page last modified: 10 Sep 2020