Swift BAT 105-Month Hard X-ray Survey » SWIFT J1557.8-5425

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General Information:

Optical image for SWIFT J1557.8-5425

Optical Image
(3 arcmin on a side)

Swift Name:	SWIFT J1557.8-5425
RA:	239.512 (J2000)
Dec:	-54.385 (J2000)
S/N:	13.31
Counterpart Name:	H 1553-542
Ctpt RA:	239.4512 (J2000)
Ctpt Dec:	-54.4150 (J2000)
Flux:	16.21 (14.68, 17.75) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	4.15 (3.74, 4.65)
Chi²_{r_:}	1.80
Redshift:
Luminosity:	log[ergs s^-1] (14-195 keV)
AS:
Class:	180
Type:	HMXB

SIMBAD
NED

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 788

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

Lightcurve:

Crab Weighted Monthly Mosaic LC

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1557.8-5425

BAT Spectrum for SWIFT J1557.8-5425

bat_index_788.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/weak/H1553-542/

Data last modified: 04 Jan 2018
Page last modified: 10 Sep 2020