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:262.938 (J2000)
Dec:-16.963 (J2000)
S/N:182.54
Counterpart Name:GX 9+9
Other Name:V2216 Oph
Ctpt RA:262.9342 (J2000)
Ctpt Dec:-16.9617 (J2000)
Flux:364.56 (361.98, 367.14) × 10-12 ergs s-1 cm-2, (14-195 keV)
Contamination:0.00
Gamma:5.89 (5.84, 5.93)
Chi2r:34.90
Redshift:0.00000
Luminosity:--
Class:8: X-ray Binary
Type:LMXB/NS

BAT 58-Month Lightcurves:

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

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

Lightcurves:

BAT 58-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: 19 Mar 2012
Page last modified: 10 Sep 2020