The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1557.8-5425
RA:239.444 (J2000)
Dec:-54.414 (J2000)
S/N:13.57
Counterpart Name:H 1553-542
Other Name:
Ctpt RA:239.4512 (J2000)
Ctpt Dec:-54.4150 (J2000)
Flux:24.17 (21.68, 26.77) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination: 
Gamma:3.87 (3.56, 4.22)
Chi2r:2.50
Redshift: 
Luminosity: 
AS: 
Class:13
Type:HMXB

BAT 70-Month Lightcurves:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1557.8-5425

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1557.8-5425

Lightcurves:

BAT 70-Month Spectrum:

BAT Spectrum for SWIFT J1557.8-5425

BAT Spectrum for SWIFT J1557.8-5425

BAT Hard X-ray Transient Source Page:

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