A systematic view of ten new black hole spins

PA Draghis, JM Miller, A Zoghbi… - The Astrophysical …, 2023 - iopscience.iop.org
The launch of NuSTAR and the increasing number of binary black hole (BBH) mergers
detected through gravitational wave observations have exponentially advanced our …

A Detailed View of Low-frequency Quasi-periodic Oscillation in the Broadband 0.2–200 keV with Insight-HXMT and NICER

X Ma, L Zhang, L Tao, QC Bu, JL Qu… - The Astrophysical …, 2023 - iopscience.iop.org
We report the X-ray timing results of the black hole candidate MAXI J1820+ 070 during its
2018 outburst using the Hard X-ray Modulation Telescope (Insight-HXMT) and Neutron Star …

The origin of optical emission lines in the soft state of X-ray binary outbursts: the case of MAXI J1820+ 070

KII Koljonen, KS Long, JH Matthews… - Monthly Notices of the …, 2023 - academic.oup.com
The optical emission line spectra of X-ray binaries (XRBs) are thought to be produced in an
irradiated atmosphere, possibly the base of a wind, located above the outer accretion disc …

Analysis of the reflection spectra of MAXI J1535-571 in the hard and intermediate states

Y Dong, Z Liu, Y Tuo, JF Steiner, M Ge… - Monthly Notices of …, 2022 - academic.oup.com
We report results on the joint-fit of the NuSTAR and HXMT data for the black hole X-ray
binary candidate MAXI J1535-571. The observations were obtained in 2017 when the …

A timing-based estimate of the spin of the black hole in MAXI J1820+ 070

Y Bhargava, T Belloni, D Bhattacharya… - Monthly Notices of …, 2021 - academic.oup.com
ABSTRACT MAXI J1820+ 070 (ASSASN-18ey) is a black hole (BH) X-ray binary discovered
in 2018. The brightness of the source triggered multi-wavelength campaigns of this source …

The accretion flow geometry of MAXI J1820+ 070 through broadband noise research with insight hard X-ray modulation telescope

ZX Yang, L Zhang, QC Bu, Y Huang… - The Astrophysical …, 2022 - iopscience.iop.org
Here we present a detailed study of the broadband noise in the power density spectra of the
black hole X-ray binary MAXI J1820+ 070 during the hard state of its 2018 outburst, using …

A Phase-resolved View of the Low-frequency Quasiperiodic Oscillations from the Black Hole Binary MAXI J1820+ 070

QC Shui, S Zhang, SN Zhang, YP Chen… - The Astrophysical …, 2023 - iopscience.iop.org
Although low-frequency quasiperiodic oscillations (LFQPOs) are commonly detected in the
X-ray light curves of accreting black hole X-ray binaries, their origin still remains elusive. In …

The spins of the Galactic black holes in MAXI J1535–571 and 4U 1630–472 from Insight-HXMT

Q Liu, H Liu, C Bambi, L Ji - Monthly Notices of the Royal …, 2022 - academic.oup.com
Insight-HXMT is the first Chinese X-ray astronomical mission. With a 1–250 keV bandpass,
an energy resolution of 150 eV at 6 keV, and without being subject to pile-up distortions, it is …

Accretion scenario of MAXI J1820+ 070 during 2018 outbursts with multimission observations

G Prabhakar, S Mandal, MP Athulya… - Monthly Notices of the …, 2022 - academic.oup.com
We present a comprehensive spectral and temporal study of the black hole X-ray transient
MAXI J1820+ 070 during its outbursts in 2018 using Swift/XRT, NICER, NuSTAR, and …

A moderate spin for the black hole in X-ray binary MAXI J1348−630 revealed by Insight-HXMT

H Wu, W Wang, N Sai, H Zhu… - Monthly Notices of the …, 2023 - academic.oup.com
ABSTRACT MAXI J1348− 630 is a low-mass X-ray black hole binary located in the Galaxy
and undergone the X-ray outburst in 2019. We analysed the observation data in very soft …