The Neil Gehrels Swift Observatory

General Information:

Optical image for SWIFT J1209.4+4340

Optical Image
(3 arcmin on a side)

Swift Name:SWIFT J1209.4+4340
RA:182.348 (J2000)
Dec:43.697 (J2000)
S/N:15.35
Counterpart Name:NGC 4138
Ctpt RA:182.3741 (J2000)
Ctpt Dec:43.6853 (J2000)
Flux:24.35 (21.84, 26.80) × 10-12 ergs s-1 cm-2, (14-195 keV)
Gamma:1.86 (1.67, 2.06)
Chi2r:0.40
Redshift:0.0030
Luminosity:41.68 log[ergs s-1] (14-195 keV)
AS:
Class:50
Type:Sy2

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 593

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1209.4+4340

Lightcurve:

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1209.4+4340

BAT Spectrum for SWIFT J1209.4+4340

BAT Hard X-ray Transient Source Page:

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