The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1709.4-2639
RA:257.3766 (J2000)
Dec:-26.7102 (J2000)
S/N:18.75
Counterpart Name:XTE J1709-267
Ctpt RA:257.3766 (J2000)
Ctpt Dec:-26.6556 (J2000)
Flux:26.55 (24.55, 28.65) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:3.60 (3.34, 3.87)
Chi2r:3.67
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 J1709.4-2639

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1709.4-2639

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1709.4-2639

BAT Spectrum for SWIFT J1709.4-2639

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