2024ApJ...971..148Z

Query : 2024ApJ...971..148Z

2024ApJ...971..148Z - Astrophys. J., 971, 148 (2024/August-3)

Evolution of QPOs in GX 339-4 and EXO 1846-031 with Insight-HXMT and NICER.

ZHANG Z., LIU H., RAWAT D., BAMBI C., MISRA R., WANG P., JI L., ZHANG S. and ZHANG S.

Abstract (from CDS):

We conduct a spectral and timing analysis of GX 339-4 and EXO 1846-031 with the aim of studying the evolution of type-C quasiperiodic oscillations (QPOs) with spectral parameters. The high-cadence data from Insight-HXMT and NICER allow us to track the evolution of QPOs and spectra simultaneously. Type-C QPOs appear at the end of the low-hard state and/or the hard-intermediate state. Our results reveal that the QPO frequency is closely related to the inner disk radius and mass accretion rate in the two sources. This correlation aligns well with the dynamic frequency model of a truncated disk.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): X-ray astronomy - Low-mass x-ray binary stars - Astrophysical black holes - Stellar mass black holes

Simbad objects: 5

goto Full paper

goto View the references in ADS

Number of rows : 5
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 MAXI J1535-571 XB* 15 35 19.73 -57 13 48.1           ~ 214 0
2 V* V821 Ara LXB 17 02 49.3876391280 -48 47 23.087954544         15.322 ~ 2237 0
3 EXO 1846-031 LXB 18 49 17.1 -03 03 44           ~ 114 0
4 V* V406 Vul HXB 18 58 41.49127200 +22 39 29.7746640           G5V-K0V 409 0
5 Granat 1915+105 HXB 19 15 11.55576 +10 56 44.9052           ~ 2810 0

To bookmark this query, right click on this link: simbad:objects in 2024ApJ...971..148Z and select 'bookmark this link' or equivalent in the popup menu