236 citations · 942 across the 29 of their papers we have counts for
29 papers
Insight-HXMT Measurements of the Diffuse X-ray Background
Rui Huang, Wei Cui, Jin-Yuan Liao +8
We present an X-ray spectrum of the diffuse X-ray background (DXRB) between 1.5 and 120 keV, as measured with the Low-Energy Detector (LE) and the High-Energy Detector (HE) aboard…
Hard X-ray emission from the eastern jet of SS 433 powering the W50 `Manatee' nebula: Evidence for particle re-acceleration
Samar Safi-Harb, Brydyn Mac Intyre, Shuo Zhang +12
We present a broadband X-ray study of W50 (`the Manatee nebula'), the complex region powered by the microquasar SS 433, that provides a test-bed for several important astrophysical…
Ultracool dwarfs identified using spectra in LAMOST DR7
You-Fen Wang, A-Li Luo, Wen-Ping Chen +7
In this work, we identify 734 ultracool dwarfs with a spectral type of M6 or later, including one L0. Of this sample, 625 were studied spectroscopically for the first time. All of…
Fast X-ray spectrum and image acquisition method for the XFEL facility
Shuo Zhang, Jing-Kai Xia, Xu-Dong Ju
X-ray free electron laser (XFEL) can provide X-ray light with about four order of magnitude higher flux than synchrotron radiation. Pulse light from XFEL interacts with the target…
New Constraints on Cosmic Particle Populations at the Galactic Center using X-ray Observations of the Molecular Cloud Sagittarius B2
Field Rogers, Shuo Zhang, Kerstin Perez +2
The Sagittarius B2 (Sgr B2) molecular cloud complex is an X-ray reflection nebula whose total emissions have continued to decrease since 2001 as it reprocesses one or more past ene…
Rotational Velocities of Am and Non-CP Stars based on Kepler and LAMOST DR5
Li Qin, A-Li Luo, Wen Hou +9
Rotation is a critical physical process operating in the formation of Am stars. There is a strong correlation between low-velocity rotation and chemical peculiarity. However, the e…
M Subdwarf Research. II. Atmospheric Parameters and Kinematics
Shuo Zhang, A-Li Luo, Georges Comte +12
Applying the revised M subdwarf classification criteria discussed in Paper I to LAMOST DR7, combining the M subdwarf sample from Savcheva et al, a new M subdwarf sample was constru…
NuSTAR and Chandra Observation of the Galactic Center Non-thermal X-ray Filament G0.13-0.11: A Pulsar Wind Nebula Driven Magnetic Filament
Shuo Zhang, Zhenlin Zhu, Hui Li +7
One of the most unique phenomena in the Galactic center region is the existence of numerous long and narrow filamentary structures within a few hundred parsecs of Sgr A.…
SPCANet: Stellar Parameters and Chemical Abundances Network for LAMOST-II Medium Resolution Survey
Rui Wang, A-Li Luo, Jian-Jun Chen +6
The fundamental stellar atmospheric parameters T_eff and log g and 13 chemical abundances are derived for medium-resolution spectroscopy from LAMOST Medium-Resolution Survey (MRS)…
Metallic-Line Stars Identified from Low Resolution Spectra of LAMOST DR5
Li Qin, A-Li Luo, Wen Hou +6
LAMOST DR5 released more than 200,000 low resolution spectra of early-type stars with S/N>50. Searching for metallic-line (Am) stars in such a large database and study of their sta…
Investigating the origin of the faint non-thermal emission of the Arches cluster using the 2015-2016 NuSTAR and XMM-Newton X-ray observations
Ekaterina Kuznetsova, Roman Krivonos, Maïca Clavel +7
Recent NuSTAR and XMM-Newton observations of the molecular cloud around the Arches stellar cluster demonstrate a dramatic change both in morphology and intensity of its non-thermal…
M subdwarf research. I. Identification, modified classification system, and sample construction
Shuo Zhang, A-Li Luo, Georges Comte +7
We propose a revision of the system developed by L'epine et al. (2007) for spectroscopic M subdwarf classification. Based on an analysis of subdwarf spectra and templates from Savc…
A Deep Chandra View of A Candidate Parsec-Scale Jet from the Galactic Center Super-massive Black Hole
Zhenlin Zhu, Zhiyuan Li, Mark R. Morris +2
We have investigated the linear X-ray filament, G359.944-0.052, previously identified as a likely X-ray counterpart of a parsec-scale jet from the Galactic Center super-massive bla…
NuSTAR Detection of a Hard X-ray Source in the Supernova Remnant - Molecular Cloud Interaction Site of IC 443
Shuo Zhang, Xiaping Tang, Xiao Zhang +10
We report on a broadband study of a complex X-ray source (1SAX J0618.0+2227) associated with the interaction site of the supernova remnant (SNR) IC 443 and ambient molecular cloud…
NuSTAR Hard X-ray Observation of the Gamma-ray Binary Candidate HESS J1832-093
Kaya Mori, E. V. Gotthelf, Charles J. Hailey +13
We present a hard X-ray observation of the TeV gamma-ray binary candidate HESS J1832-093 coincident with supernova remnant (SNR) G22.7-0.2 using the Nuclear Spectroscopic Telescope…
Sagittarius A* High Energy X-ray Flare Properties During NuSTAR Monitoring of the Galactic Center from 2012 to 2015
Shuo Zhang, Frederick K. Baganoff, Gabriele Ponti +17
Understanding the origin of the flaring activity from the Galactic center supermassive black hole, Sagittarius A*, is a major scientific goal of the NuSTAR Galactic plane survey ca…
Evidence for intermediate polars as the origin of the Galactic Center hard X-ray emission
Charles J. Hailey, Kaya Mori, Kerstin Perez +14
Recently, unresolved hard (20-40 keV) X-ray emission has been discovered within the central 10 pc of the Galaxy, possibly indicating a large population of intermediate polars (IPs)…
NuSTAR Hard X-ray Survey of the Galactic Center Region II: X-ray Point Sources
JaeSub Hong, Kaya Mori, Charles J. Hailey +41
We present the first survey results of hard X-ray point sources in the Galactic Center (GC) region by NuSTAR. We have discovered 70 hard (3-79 keV) X-ray point sources in a 0.6 deg…
NuSTAR and XMM-Newton observations of 1E1743.1-2843: indications of a neutron star LMXB nature of the compact object
Simone Lotti, Lorenzo Natalucci, Kaya Mori +13
We report on the results of NuSTAR and XMM-Newton observations of the persistent X-ray source 1E1743.1-2843, located in the Galactic Center region. The source was observed between…
NuSTAR Hard X-ray Survey of the Galactic Center Region I: Hard X-ray Morphology and Spectroscopy of the Diffuse Emission
Kaya Mori, Charles J. Hailey, Roman Krivonos +35
We present the first sub-arcminute images of the Galactic Center above 10 keV, obtained with NuSTAR. NuSTAR resolves the hard X-ray source IGR J17456-2901 into non-thermal X-ray fi…
Hard X-ray Morphological and Spectral Studies of The Galactic Center Molecular Cloud Sgr B2: Constraining Past Sgr A* Flaring Activity
Shuo Zhang, Charles J. Hailey, Kaya Mori +15
Galactic Center (GC) molecular cloud Sgr B2 is the best manifestation of an X-ray reflection nebula (XRN) reprocessing a past giant outburst from the supermassive black hole Sgr A*…
Statistics of X-ray flares of Sagittarius A*: evidence for solar-like self-organized criticality phenomenon
Ya-Ping Li, Feng Yuan, Qiang Yuan +6
X-ray flares have routinely been observed from the supermassive black hole, Sagittarius A (Sgr A), at our Galactic center. The nature of these flares remains largel…
A Sample of E+A Galaxy Candidates in LAMOST Data Released 2
Haifeng Yang, Ali Luo, Xiaoyan Chen +14
A sample of 70 E+A galaxies are selected from 37, 206 galaxies in the second data release (DR2) of Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) according to t…
A Luminous X-ray Flare From The Nucleus of The Dormant Bulgeless Spiral Galaxy NGC 247
Hua Feng, Luis C. Ho, Philip Kaaret +4
NGC 247 is a nearby late-type bulgeless spiral galaxy that contains an inactive nucleus. We report a serendipitous discovery of an X-ray flare from the galaxy center with a luminos…