Swift BAT 157-Month Hard X-ray Survey » SWIFT J1703.9-3753

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General Information:

Swift Name:	SWIFT J1703.9-3753
RA:	255.9863 (J2000)
Dec:	-37.8441 (J2000)
S/N:	1684.96
Counterpart Name:	4U 1700-377
Ctpt RA:	255.9866 (J2000)
Ctpt Dec:	-37.8441 (J2000)
Flux:	3552.30 (3549.75, 3554.77) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	2.66 (2.65, 2.66)
Chi²_{r_:}	16548.44
Redshift:	NA
Luminosity:	NA log[ergs s^-1] (14-195 keV)
AS:	1
Class:	13
Type:	HMXB

SIMBAD
NED

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1703.9-3753

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1703.9-3753

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1703.9-3753

BAT Spectrum for SWIFT J1703.9-3753

SWIFT_J1703.9-3753.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/4U1700-377/

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