Swift BAT 157-Month Hard X-ray Survey » SWIFT J1858.9+0329

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General Information:

Swift Name:	SWIFT J1858.9+0329
RA:	284.6930 (J2000)
Dec:	3.4616 (J2000)
S/N:	7.70
Counterpart Name:	XTE J1858+034
Ctpt RA:	284.6790 (J2000)
Ctpt Dec:	3.4340 (J2000)
Flux:	10.25 (8.31, 12.39) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	3.25 (2.81, 3.78)
Chi²_{r_:}	1.21
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 J1858.9+0329

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1858.9+0329

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1858.9+0329

BAT Spectrum for SWIFT J1858.9+0329

SWIFT_J1858.9+0329.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/weak/XTEJ1858p034/

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