Understanding the dark matter distribution throughout a galaxy can provide insight into its elusive nature. Numerous density profiles, such as the Navarro, Frenk and White model, have been created in an attempt to stu...
supported by National Key R&D Program of China(grant No.2023YFE0117200);the National Natural Science Foundation of China(NSFC,grant Nos.12133003,12103011);R-Z.Y.is supported by the NSFC under grants 11421303,12041305;Science and Technology Program of Guangxi(grant Nos.AD 21220075 and 2024GXNSFBA010375);the national youth thousand talents program in China。
We revisit the γ-ray emission above 300 Me V towards the massive star-forming region of Orion B by adopting14 yr observations with the Fermi Large Area Telescope and utilizing the updated software tools.The extended ...
support of the China National Key Program for Science and Technology Research and Development of China(2022YFA1602901);the National Natural Science Foundation of China(NSFC,Grant Nos.11988101 and 11873051);the CAS Project for Young Scientists in Basic Research grant(No.YSBR-062);the K.C.Wong Education Foundation;the science research grants from the China Manned Space Project;support from the Cultivation Project for FAST Scientific Payoff and Research Achievement of CAMS-CAS。
With the exceptional sensitivity of the Five-hundred-meter Aperture Spherical radio Telescope,we conducted observations of the neutral hydrogen(HⅠ)in the circumgalactic medium of Andromeda’s(M31)satellite galaxies,s...