58 citations · 386 across the 21 of their papers we have counts for
22 papers
Spiraling into the `snail' cluster MCXC J0157.4-0550
Chao Geng, Chong Ge, Ming Sun +8
We present a deep Chandra (130 ks) study of a striking, tidally induced cold front in a subcluster merging with the galaxy cluster MCXC J0157.4-0550. The subcluster, nicknamed the…
A merger shock traced by radio arcs and ultra-long radio tails in galaxy cluster A2142
Chong Ge, Ming Sun, Chris Nolting +2
Abell 2142 (A2142) is a massive, nearby galaxy cluster undergoing a complex merger. It exhibits an elongated X-ray morphology along the northwest-southeast axis and hosts four know…
Constraining baryon loading efficiency of AGNs with diffuse neutrino flux from galaxy clusters
Xin-Yue Shi, Ruo-Yu Liu, Chong Ge +1
The active galactic nuclei (AGNs) are widely believed to be one of the promising acceleration sites of ultrahigh-energy cosmic rays (CRs). Essentially, AGNs are powered by the grav…
A detached double X-ray tail in the merging galaxy cluster Z8338 with a large double tail
Chong Ge, Ming Sun, Paul E. J. Nulsen +3
When subhalos infall into galaxy clusters, their gas content is ram pressure stripped by the intracluster medium (ICM) and may turn into cometary tails. We report the discovery of…
Revisiting the Chandra Observation on the Region of PSR J1809-1917: Indication of an X-ray Halo and Implication for the Origin of HESS J1809-193
Chao-Ming Li, Chong Ge, Ruo-Yu Liu
HESS J1809-193 is an extended TeV -ray source and the origin of its -ray emission remains ambiguous. Pulsar wind nebula (PWN) of PSR J1809-1917 laying inside the extended …
Chandra view of Abell 407: the central compact group of galaxies and the interaction between the radio AGN and the ICM
Chao Geng, Chong Ge, Dharam V. Lal +8
Abell 407 (A407) is a unique galaxy cluster hosting a central compact group of nine galaxies (named as 'Zwicky's Nonet'; G1 - G9 in this work) within a 30 kpc radius region. The cl…
Non-star-forming molecular gas in the Abell 1367 intra-cluster multiphase orphan cloud
Pavel Jáchym, Ming Sun, Masafumi Yagi +7
We report the detection of CO emission in the recently discovered multiphase isolated gas cloud in the nearby galaxy cluster Abell 1367. The cloud is located about 800 kpc in proje…
The BIG X-ray tail
Chong Ge, Ming Sun, Masafumi Yagi +9
Galaxy clusters grow primarily through the continuous accretion of group-scale haloes. Group galaxies experience preprocessing during their journey into clusters. A star-bursting c…
An H/X-ray orphan cloud as a signpost of the intracluster medium clumping
Chong Ge, Rongxin Luo, Ming Sun +12
Recent studies have highlighted the potential significance of intracluster medium (ICM) clumping and its important implications for cluster cosmology and baryon physics. Many of th…
A universal correlation between warm and hot gas in the stripped tails of cluster galaxies
Ming Sun, Chong Ge, Rongxin Luo +7
The impact of ram pressure stripping on galaxy evolution is well known. Recent multi-wavelength data have revealed many examples of galaxies undergoing stripping, often accompanied…
Revealing a peculiar supernova remnant G106.3+2.7 as a petaelectronvolt proton accelerator with X-ray observations
Chong Ge, Ruo-Yu Liu, Shu Niu +2
Supernova remnants (SNRs) have long been considered as one of the most promising sources of Galactic cosmic rays. In the SNR paradigm, petaelectronvolt (PeV) proton acceleration ma…
Chandra and XMM-Newton observations of A2256: cold fronts, merger shocks, and constraint on the IC emission
Chong Ge, Ruo-Yu Liu, Ming Sun +13
We present the results of deep Chandra and XMM-Newton observations of a complex merging galaxy cluster Abell 2256 (A2256) that hosts a spectacular radio relic (RR). The temperature…
The ram pressure stripped radio tails of galaxies in the Coma cluster
Hao Chen, Ming Sun, Masafumi Yagi +14
Previous studies have revealed a population of galaxies in galaxy clusters with ram pressure stripped (RPS) tails of gas and embedded young stars. We observed 1.4 GHz continuum and…
AGN feedback in the FR II galaxy 3C 220.1
Wenhao Liu, Ming Sun, Paul E. J. Nulsen +6
We present results from a deep (174 ks) Chandra observation of the FR-II radio galaxy 3C 220.1, the central brightest cluster galaxy (BCG) of a 4 keV cluster at .…
Constraining the magnetic field in the TeV halo of Geminga with X-ray Observation
Ruo-Yu Liu, Chong Ge, Xiao-Na Sun +1
Recently, the High Altitude Water Cherenkov (HAWC) collaboration reported the discovery of the TeV halo around the Geminga pulsar. The TeV emission is believed to originate from in…
A merger shock in Abell 1367
Chong Ge, Ming Sun, Ruo-Yu Liu +10
Multi-wavelength observations show that Abell 1367 (A1367) is a dynamically young cluster, with at least two subclusters merging along the SE-NW direction. With the wide-field XMM-…
A Virgo Environmental Survey Tracing Ionised Gas Emission (VESTIGE).IV. A tail of Ionised Gas in the Merger Remnant NGC 4424
A. Boselli, M. Fossati, G. Consolandi +31
We have observed the late-type peculiar galaxy NGC 4424 during VESTIGE, a blind narrow-band Halpha[NII] imaging survey of the Virgo cluster carried out with MegaCam at the CFHT. Th…
Probing the dynamical state, baryon content, and multiphase nature of galaxy clusters with bright background QSOs
Chong Ge, Q. Daniel Wang, Joseph N. Burchett +5
We have initiated a programme to study the physical/dynamical state of gas in galaxy clusters and the impact of the cluster environment on gaseous halos of individual galaxies usin…
X-ray scaling relations from a complete sample of the richest maxBCG clusters
Chong Ge, Ming Sun, Eduardo Rozo +5
We use a complete sample of 38 richest maxBCG clusters to study the ICM-galaxy scaling relations and the halo mass selection properties of the maxBCG algorithm, based on X-ray and…
Can winds driven by active galactic nuclei account for the extragalactic gamma-ray and neutrino backgrounds?
Ruo-Yu Liu, Kohta Murase, Susumu Inoue +2
Various observations are revealing the widespread occurrence of fast and powerful winds in active galactic nuclei (AGNs) that are distinct from relativistic jets, likely launched f…
Baryon content and dynamic state of galaxy clusters: XMM-Newton observations of A1095 and A1926
Chong Ge, Q. Daniel Wang, Todd M. Tripp +3
We have initiated a program to study the baryon content and dynamic state of galaxy clusters. Here we present results primarily from XMM-Newton observations of two optically-select…
X-ray emissivity of old stellar populations: a local group census
Chong Ge, Zhiyuan Li, Xiaojie Xu +6
We study the unresolved X-ray emission in three Local Group dwarf elliptical galaxies (NGC 147, NGC 185 and NGC 205) using XMM-Newton observations, which most likely originates fro…