Swift BAT 157-Month Hard X-ray Survey » SWIFT J1104.4+3812

Skip navigation and go straight to page content.

General Information:

Swift Name:	SWIFT J1104.4+3812
RA:	166.1068 (J2000)
Dec:	38.2136 (J2000)
S/N:	110.61
Counterpart Name:	Mrk 421
Ctpt RA:	166.1138 (J2000)
Ctpt Dec:	38.2088 (J2000)
Flux:	111.88 (110.03, 113.76) × 10^-12 ergs s^-1 cm^-2, (14-195 keV)
Gamma:	2.84 (2.81, 2.88)
Chi²_{r_:}	2.84
Redshift:	0.0300
Luminosity:	44.38 log[ergs s^-1] (14-195 keV)
AS:	1
Class:	7
Type:	BZB

SIMBAD
NED

BAT 157-Month Lightcurve:

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1104.4+3812

Crab Weighted Monthly Mosaic Lightcurve for SWIFT J1104.4+3812

Lightcurve:

BAT 157-Month Spectrum:

BAT Spectrum for SWIFT J1104.4+3812

BAT Spectrum for SWIFT J1104.4+3812

SWIFT_J1104.4+3812.pha

BAT Hard X-ray Transient Source Page:

http://swift.gsfc.nasa.gov/docs/swift/results/transients/weak/Mrk421/

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