UltraCompCAT A Catalogue of Ultra-Compact and Short Orbital Period X-ray Binaries

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ID# 23

IGR J17379–3747

IGR J17364–2711, IGR J17380–3749,XTE J1737– 376.

Short period LMXB

RA                 Dec     [hh:mm:ss.ss]          [dd:mm:ss.ss] 17:37:58.84  -37:46:18.35                      [ICRS]

ℓ                      b [deg]                            [deg] 351.648136  -03.305259

Year of discovery: 2004

(Chelovekov2006)

Basic data

Location in Globular Cluster
Type of accretor	NS AMXP (468.03 Hz / 2.14 ms)	Transient Sanna2018bStrohmayer2018a
Distance [kpc] (other distances)	assumed 8.5	Chelovekov2006
z [kpc]	-0.49	Chelovekov2006
Orbital period (Porb) [min]	111.65±0.83	Sanna2018bStrohmayer2018a
Porb determination method	X-ray pulsation
Thermonuclear X-ray burst	Short-B	Chelovekov2006Chelovekov2010
Peak X-ray flux [erg s-1 cm-2] (2 - 10 keV)	1.23E-10	VandenEijnden2018b
NH [x1022 cm-2]	0.90±0.03	Sanna2018b
E(B-V) [mag]
Magnitude	R=21.5	Curran2011
Proposed companion

NOTES

Sanna2018b obtained a constraint on the orbital period derivative of (-2.5±2.3)E-12 s/s. VandenEijnden2018b detected a flat-spectrum radio counterpart with a flux density of ~0.4 mJy (4.5 and 7.5 GHz). The spectral index is consistent with a self-absorbed compact jet.

Spectral data

UV
Optical
X-ray

Peak Optical/NIR magnitudes

If the system is transient, quiescent magnitudes are indicated with a "q" superindex Curran2011
R=21.5 ± 0.3,I=20.0 ± 0.4, J=18.3 ± 0.1, H>18.0, Ks>18.0

Aladin finding chart

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Default image: DSS2 Red

IGR J17379–3747 in Simbad

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References to finding charts

Curran2011