The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J0557.9-3822

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

Swift Name:SWIFT J0557.9-3822
RA:89.529 (J2000)
Dec:-38.357 (J2000)
S/N:18.54
Counterpart Name:2MASX J05580206-3820043
Other Name:4U 0557-38
Ctpt RA:89.5083 (J2000)
Ctpt Dec:-38.3346 (J2000)
Flux:29.27 (26.21, 32.48) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination: 
Gamma:2.40 (2.25, 2.57)
Chi2r:2.60
Redshift:0.0339
Luminosity:43.89 log[ergs s-1] (14-195 keV)
AS:4
Class:4
Type:Sy1

BAT 70-Month Lightcurves:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J0557.9-3822

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J0557.9-3822

Lightcurves:

BAT 70-Month Spectrum:

BAT Spectrum for SWIFT J0557.9-3822

BAT Spectrum for SWIFT J0557.9-3822

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