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:179.448 (J2000)
Dec:55.445 (J2000)
S/N:9.83
Counterpart Name:NGC 3998
Other Name:
Ctpt RA:179.4839 (J2000)
Ctpt Dec:55.4536 (J2000)
Flux:16.89 (13.22, 20.99) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination:0.00
Gamma:1.99 (1.70, 2.31)
Chi2r:0.49
Redshift:0.00347
Luminosity:41.65 log[ergs s-1] (14-195 keV)
Class:4: Seyfert Galaxy
Type:Sy1 LINER

BAT 58-Month Lightcurves:

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

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

Lightcurves:

BAT 58-Month Spectrum:

BAT Spectrum for SWIFT J1157.8+5529

BAT Spectrum for SWIFT J1157.8+5529

Data last modified: 19 Mar 2012
Page last modified: 10 Sep 2020