Swift BAT 157-Month Hard X-ray Survey » SWIFT J1955.8+3203

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General Information:

Swift Name:	SWIFT J1955.8+3203
RA:	298.9279 (J2000)
Dec:	32.0878 (J2000)
S/N:	180.68
Counterpart Name:	4U 1954+31
Ctpt RA:	298.9264 (J2000)
Ctpt Dec:	32.0970 (J2000)
Flux:	259.29 (257.04, 261.55) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	2.79 (2.78, 2.81)
Chi²_{r_:}	180.74
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 J1955.8+3203

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1955.8+3203

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1955.8+3203

BAT Spectrum for SWIFT J1955.8+3203

SWIFT_J1955.8+3203.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/4U1954p31/

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