The Neil Gehrels Swift Observatory

General Information:

Swift Name:SWIFT J2144.7+3816
RA:326.1714 (J2000)
Dec:38.3211 (J2000)
S/N:702.16
Counterpart Name:Cyg X-2
Ctpt RA:326.1717 (J2000)
Ctpt Dec:38.3217 (J2000)
Flux:663.70 (662.56, 664.84) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:5.41 (5.40, 5.42)
Chi2r:276.41
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 J2144.7+3816

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J2144.7+3816

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J2144.7+3816

BAT Spectrum for SWIFT J2144.7+3816

BAT Hard X-ray Transient Source Page:

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