Dense dark matter is predicted around super-massive black hole (SMBH). Recently, the Event Horizon Telescope and GRAVITY groups, which focus on M87* and Galactic Center, have published their observations, which provide us a good chance to search dark matter.
With the continuous upgrade of detectors, more and more gravitational wave (GW) events were captured by the LIGO Scientific Collaboration and Virgo Collaboration (LVC), which offers a new avenue to test General Relativity and explore the nature of gravity. Although, various model-independent tests have been performed by LVC in previous works, it is still interesting to ask what constraints on...
Link(1992) considered the newly-developed observation could be a strong evidence for external torque interpretation of persistent offset, developed by Ruderman(1991), We conclude in this talk that after 30 years of accumulation of observation data volume, new observational evidence has in turn been able to rule out the external torque explanation in favor of the internal mechanism associated...
Microwave Kinetic Inductance Detectors(MKIDs) are very promising superconducting detector arrays used in the field of terahertz astronomy. It has attracted much attention due to its simple implementation of frequency-multiplexing readout technology. The Purple Mountain Observatory(PMO) of the Chinese Academy of Sciences has carried out related research on the MKIDs detector based on the...