Swift BAT 105-Month Hard X-ray Survey » SWIFT J1657.7+3518

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General Information:

Optical image for SWIFT J1657.7+3518

Optical Image
(3 arcmin on a side)

Swift Name:	SWIFT J1657.7+3518
RA:	254.458 (J2000)
Dec:	35.342 (J2000)
S/N:	839.94
Counterpart Name:	Her X-1
Ctpt RA:	254.4576 (J2000)
Ctpt Dec:	35.3424 (J2000)
Flux:	969.61 (968.07, 970.88) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	3.29 (3.29, 3.30)
Chi²_{r_:}	6066.70
Redshift:
Luminosity:	log[ergs s^-1] (14-195 keV)
AS:
Class:	190
Type:	LMXB

SIMBAD
NED

BAT 105-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for 848

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1657.7+3518

Lightcurve:

Crab Weighted Monthly Mosaic LC

BAT 105-Month Spectrum:

BAT Spectrum for SWIFT J1657.7+3518

BAT Spectrum for SWIFT J1657.7+3518

bat_index_848.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/HerX-1/

Data last modified: 04 Jan 2018
Page last modified: 10 Sep 2020