The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1731.6-1657

Optical Image
(3 arcmin on a side)

Swift Name:SWIFT J1731.6-1657
RA:262.937 (J2000)
Dec:-16.963 (J2000)
S/N:280.05
Counterpart Name:GX 9+9
Ctpt RA:262.9342 (J2000)
Ctpt Dec:-16.9617 (J2000)
Flux:357.01 (356.00, 358.30) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:6.09 (6.05, 6.12)
Chi2r:41.80
Redshift:
Luminosity: log[ergs s-1] (14-195 keV)
AS:
Class:190
Type:LMXB

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 889

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1731.6-1657

Lightcurve:

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1731.6-1657

BAT Spectrum for SWIFT J1731.6-1657


BAT Hard X-ray Transient Source Page:


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