Swift BAT 157-Month Hard X-ray Survey » SWIFT J1959.3+1143

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General Information:

Swift Name:	SWIFT J1959.3+1143
RA:	299.8299 (J2000)
Dec:	11.6917 (J2000)
S/N:	22.40
Counterpart Name:	4U 1957+115
Ctpt RA:	299.8509 (J2000)
Ctpt Dec:	11.7090 (J2000)
Flux:	28.22 (25.93, 30.62) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	3.05 (2.87, 3.25)
Chi²_{r_:}	1.85
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 J1959.3+1143

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1959.3+1143

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1959.3+1143

BAT Spectrum for SWIFT J1959.3+1143

SWIFT_J1959.3+1143.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/weak/4U1957p115/

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