The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1557.8-5425
RA:239.4972 (J2000)
Dec:-54.4063 (J2000)
S/N:17.95
Counterpart Name:H 1553-542
Ctpt RA:239.4512 (J2000)
Ctpt Dec:-54.4150 (J2000)
Flux:22.14 (20.56, 23.77) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:4.00 (3.77, 4.25)
Chi2r:3.24
Redshift:NA
Luminosity:NA log[ergs s-1] (14-195 keV)
AS:1
Class:13
Type:HMXB

BAT 157-Month Lightcurve:

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

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

Lightcurve:

BAT 157-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: 10 Sep 2024
Page last modified: 10 Sep 2024