IGR J17445-2747 - yet another X-ray burster in the Galactic bulge
I.A. Mereminskiy (1), S.A. Grebenev (1), R.A. Sunyaev (1, 2) ((1), Space Research Institute, Moscow, (2) Max-Planck-Institut fur Astrophysik,, Garching)
TL;DR
This paper reports the discovery of a type I X-ray burst from IGR J17445-2747, confirming its nature as a neutron star in a low-mass X-ray binary within the Galactic bulge.
Contribution
It provides the first evidence identifying IGR J17445-2747 as a neutron star system through detection of a thermonuclear X-ray burst.
Findings
Confirmed IGR J17445-2747 as a neutron star system
Detected a thermonuclear X-ray burst from the source
Established the source's nature in the Galactic bulge
Abstract
The discovery of a type I X-ray burst from the faint unidentified transient source IGR J17445-2747 in the Galactic bulge by the JEM-X telescope onboard the INTEGRAL observatory is reported. Type I bursts are believed to be associated with thermonuclear explosions of accreted matter on the surface of a neutron star with a weak magnetic field in a low-mass X-ray binary. Thus, this observation allows the nature of this source to be established.
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