Swift BAT 157-Month Hard X-ray Survey » SWIFT J1640.8-5343

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General Information:

Swift Name:	SWIFT J1640.8-5343
RA:	250.2332 (J2000)
Dec:	-53.7532 (J2000)
S/N:	380.84
Counterpart Name:	4U 1636-536
Ctpt RA:	250.2313 (J2000)
Ctpt Dec:	-53.7514 (J2000)
Flux:	575.79 (573.40, 578.18) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	2.77 (2.76, 2.78)
Chi²_{r_:}	28.42
Redshift:	NA
Luminosity:	NA log[ergs s^-1] (14-195 keV)
AS:	1
Class:	14
Type:	LMXB

SIMBAD
NED

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1640.8-5343

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1640.8-5343

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1640.8-5343

BAT Spectrum for SWIFT J1640.8-5343

SWIFT_J1640.8-5343.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/4U1636-536/

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