The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1731.6-1657

Optical Image
(3 arcmin on a side, red = DSS 2 IR,
green = DSS 2 red, blue = DSS 2 blue

Swift Name:SWIFT J1731.6-1657
RA:262.946 (J2000)
Dec:-16.944 (J2000)
S/N:193.70
Counterpart Name:GX 9+9
Other Name:V2216 Oph
Ctpt RA:262.9342 (J2000)
Ctpt Dec:-16.9617 (J2000)
Flux:378.13 (375.62, 380.65) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination: 
Gamma:6.02 (5.98, 6.07)
Chi2r:32.00
Redshift: 
Luminosity: 
AS:1
Class:14
Type:LMXB/NS

BAT 70-Month Lightcurves:

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

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

Lightcurves:

BAT 70-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: 23 May 2013
Page last modified: 10 Sep 2020