The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J1639.2-4641
RA:249.7744 (J2000)
Dec:-46.6929 (J2000)
S/N:55.25
Counterpart Name:AX J1639.0-4642
Ctpt RA:249.7730 (J2000)
Ctpt Dec:-46.7031 (J2000)
Flux:80.72 (78.87, 82.60) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:3.43 (3.37, 3.49)
Chi2r:65.70
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 J1639.2-4641

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1639.2-4641

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1639.2-4641

BAT Spectrum for SWIFT J1639.2-4641

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