A spectral and timing study of MAXI J1535-571, based on Swift/XRT, XMM-Newton and NICER observations obtained in fall 2017

Abstract

We present a spectral-timing analysis of observations taken in fall 2017 of the newly detected X-ray transient MAXI J1535-571. We included 38 Swift/XRT window timing mode observations, three XMM-Newton observations and 31 NICER observations in our study. We computed the fundamental diagrams commonly used to study black hole transients, and fitted power density and energy spectra to study the evolution of spectral and timing parameters. The observed properties are consistent with a bright black hole X-ray binary ($F_{0.6-10keV}^{\max }=3.71\pm 0.02\times 10^{-7}$ erg cm${}^{-2}$ s${}^{-1}$) that evolves from the low-hard-state to the high-soft state and back to the low-hard-state. In some observations the power density spectra showed type-C quasi-periodic oscillations, giving additional evidence that MAXI J1535-571 is in a hard state during these observations. The duration of the soft state with less than ten days is unusually short and observations taken in spring 2018 show that MAXI J1535-571 entered a second (and longer) soft state.

arXiv comment18 pages, 8 figures, accepted by ApJ

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Cited by in corpus (19)

• AstroSat view of MAXI J1535-571: broadband spectro-temporal features
• Evolution of X-Ray Properties of MAXI J1535-571: Analysis with the TCAF Solution
• A variable corona for GRS 1915+105
• The evolution of the corona in MAXI J1535-571 through type-C quasi-periodic oscillations with Insight-HXMT
• Spectro-timing analysis of MAXI J1535-571 using AstroSat
• Broadband reflection spectroscopy of MAXI J1535-571 using AstroSat: Estimation of black hole mass and spin
• Lorentz Factors of compact jets in Black hole X-ray binaries
• An HI absorption distance to the black hole candidate X-ray binary MAXI J1535-571
• A NICER look at the state transitions of the black hole candidate MAXI J1535-571 during its reflares
• The comptonizing medium of the black-hole X-ray binary MAXI~J1535$-$571 through type-C quasi-periodic oscillations
• Broadband Spectral and Timing Properties of MAXI J1348-630 using AstroSat and NICER Observations
• Long term variability of Cygnus X-1. VIII. A spectral-timing look at low energies with NICER
• Wavelet analysis of MAXI J1535-571 with Insight-HXMT
• Analysis of the reflection spectra of MAXI J1535-571 in the hard and intermediate states
• Accretion Properties of MAXI J1813-095 during its Failed Outburst in 2018
• Testing the dynamic origin of Quasi-periodic Oscillations in MAXI J1535-571 and H 1743-322
• NICER and Swift/XRT monitoring of the 2023 outburst of Swift J1727.7-1613
• AstroSat Observation of Non-Resonant Type-C QPOs in MAXI J1535-571
• MAXI J1535-571 2017 outburst Seen by INTEGRAL/SPI and Investigating the Origin of Its Hard Tail