The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1856.8+0519
RA:284.2135 (J2000)
Dec:5.3681 (J2000)
S/N:8.85
Counterpart Name:XTE J1856+053
Ctpt RA:284.1786 (J2000)
Ctpt Dec:5.3094 (J2000)
Flux:18.49 (15.33, 21.85) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:2.02 (1.75, 2.30)
Chi2r:2.55
Redshift:NA
Luminosity:NA log[ergs s-1] (14-195 keV)
AS:1
Class:14
Type:LMXB

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1856.8+0519

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1856.8+0519

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1856.8+0519

BAT Spectrum for SWIFT J1856.8+0519

BAT Hard X-ray Transient Source Page:

Data last modified: 15 Sep 2025
Page last modified: 03 Jun 2025