SIMBAD references

2011ApJ...742..128B - Astrophys. J., 742, 128 (2011/December-1)

A deep Chandra observation of the Wolf-Rayet + black hole binary NGC 300 X-1.

BINDER B., WILLIAMS B.F., ERACLEOUS M., GARCIA M.R., ANDERSON S.F. and GAETZ T.J.

Abstract (from CDS):

We have obtained a 63 ks Chandra ACIS-I observation of the Wolf-Rayet + black hole binary NGC 300 X-1. We measure rapid low-amplitude variability in the 0.35-8 keV light curve. The power density spectrum has a power-law index γ = 1.02±0.15 consistent with an accreting black hole in a steep power-law state. When compared to previous studies of NGC 300 X-1 performed with XMM-Newton, we find the source at the low end of the previously measured 0.3-10 keV luminosity. The spectrum of NGC 300 X-1 is dominated by a power law (Γ = 2.0±0.3) with a contribution at low energies by a thermal component. We estimate the 0.3-10 keV luminosity to be 2.6+0.8–1.0x 1038 erg/s. The timing and spectroscopic properties of NGC 300 X-1 are consistent with being in a steep power-law state, similar to earlier observations performed with XMM-Newton. We additionally compare our observations to known high-mass X-ray binaries and ultraluminous X-ray sources, and find the properties of NGC 300 X-1 are most consistent with black hole high-mass X-ray binaries.

Abstract Copyright:

Journal keyword(s): accretion, accretion disks - stars: Wolf-Rayet - X-rays: binaries

Status at CDS:  

Simbad objects: 16

goto Full paper

goto View the reference in ADS

To bookmark this query, right click on this link: simbad:2011ApJ...742..128B and select 'bookmark this link' or equivalent in the popup menu


2020.05.27-18:50:54

© Université de Strasbourg/CNRS

    • Contact