The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1557.8-7913

Optical Image
(3 arcmin on a side)

Swift Name:SWIFT J1557.8-7913
RA:239.424 (J2000)
Dec:-79.208 (J2000)
S/N:9.96
Counterpart Name:PKS 1549-79
Ctpt RA:239.2453 (J2000)
Ctpt Dec:-79.2345 (J2000)
Flux:14.98 (12.49, 17.43) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.31 (1.94, 2.74)
Chi2r:0.50
Redshift:0.1501
Luminosity:44.96 log[ergs s-1] (14-195 keV)
AS:
Class:80
Type:Beamed AGN

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 787

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1557.8-7913

Lightcurve:

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1557.8-7913

BAT Spectrum for SWIFT J1557.8-7913


Data last modified: 04 Jan 2018
Page last modified: 17 Jul 2019