Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Hu, Huanchen"'
Autor:
Nitu, Iuliana, Keith, Michael, Champion, David, Cognard, Ismael, Desvignes, Gregory, Guillemot, Lucas, Guo, Yanjun, Hu, Huanchen, Jang, Jiwoong, Jawor, Jedrzej, Karuppusamy, Ramesh, Keane, Evan, Kramer, Michael, Lackeos, Kristen, Liu, Kuo, Main, Robert, Perrodin, Delphine, Porayko, Nataliya, Shaifullah, Golam, Theureau, Gilles
In this work, we investigated the presence of strictly periodic, as well as quasi-periodic signals, in the timing of the 25 millisecond pulsars from the EPTA DR2 dataset. This is especially interesting in the context of the recent hints of a gravitat
Externí odkaz:
http://arxiv.org/abs/2408.09795
Autor:
Larsen, Bjorn, Mingarelli, Chiara M. F., Hazboun, Jeffrey S., Chalumeau, Aurelien, Good, Deborah C., Simon, Joseph, Agazie, Gabriella, Anumarlapudi, Akash, Archibald, Anne M., Arzoumanian, Zaven, Baker, Paul T., Brook, Paul R., Cromartie, H. Thankful, Crowter, Kathryn, DeCesar, Megan E., Demorest, Paul B., Dolch, Timothy, Ferrara, Elizabeth C., Fiore, William, Fonseca, Emmanuel, Freedman, Gabriel E., Garver-Daniels, Nate, Gentile, Peter A., Glaser, Joseph, Jennings, Ross J., Jones, Megan L., Kaplan, David L., Kerr, Matthew, Lam, Michael T., Lorimer, Duncan R., Luo, Jing, Lynch, Ryan S., McEwen, Alexander, McLaughlin, Maura A., McMann, Natasha, Meyers, Bradley W., Ng, Cherry, Nice, David J., Pennucci, Timothy T., Perera, Benetge B. P., Pol, Nihan S., Radovan, Henri A., Ransom, Scott M., Ray, Paul S., Schmiedekamp, Ann, Schmiedekamp, Carl, Shapiro-Albert, Brent J., Stairs, Ingrid H., Stovall, Kevin, Susobhanan, Abhimanyu, Swiggum, Joseph K., Wahl, Haley M., Champion, David J., Cognard, Ismael, Guillemot, Lucas, Hu, Huanchen, Keith, Michael J., Liu, Kuo, McKee, James W., Parthasarathy, Aditya, Perrodin, Delphine, Possenti, Andrea, Shaifullah, Golam M., Theureau, Gilles
Pulsar timing arrays (PTAs) are designed to detect low-frequency gravitational waves (GWs). GWs induce achromatic signals in PTA data, meaning that the timing delays do not depend on radio-frequency. However, pulse arrival times are also affected by
Externí odkaz:
http://arxiv.org/abs/2405.14941
Autor:
Hu, Huanchen, Freire, Paulo C. C.
Neutron stars (NSs) are compact objects that host the densest forms of matter in the observable universe, providing unique opportunities to study the behaviour of matter at extreme densities. While precision measurements of NS masses through pulsar t
Externí odkaz:
http://arxiv.org/abs/2403.18785
Autor:
Meng, Lingqi, Zhu, Weiwei, Kramer, Michael, Miao, Xueli, Desvignes, Gregory, Shao, Lijing, Hu, Huanchen, Freire, Paulo C. C., Zhang, Yongkun, Xue, Mengyao, Fang, Ziyao, Champion, David J., Yuan, Mao, Miao, Chenchen, Niu, Jiarui, Fu, Qiuyang, Yao, Jumei, Guo, Yanjun, Zhang, Chengmin
We observe systematic profile changes in the visible pulsar of the compact double neutron star system PSR~J1946+2052 using observations with the Five-hundred-meter Aperture Spherical radio Telescope (FAST). The interpulse of PSR~J1946+2052 changed fr
Externí odkaz:
http://arxiv.org/abs/2403.17828
Autor:
Yuan, Mao, Zhu, Weiwei, Kramer, Michael, Peng, Bo, Lu, Jiguang, Xu, Renxin, Shao, Lijing, Wang, Hong-guang, Meng, Lingqi, Niu, Jiarui, Zhao, Rushuang, Miao, Chenchen, Miao, Xueli, Xue, Mengyao, Feng, Yi, Wang, Pei, Li, Di, Zhang, Chengmin, Champion, David J., Fonseca, Emmanuel, Hu, Huanchen, Yao, Jumei, Freire, Paulo C. C., Guo, Yanjun
We discover three new weak pulse components in two known pulsars, one in PSR J0304+1932 and two in PSR J1518+4904. These components are emitted about half way between the main emission beam and the interpulse beam (beam from the opposite pole). They
Externí odkaz:
http://arxiv.org/abs/2306.04935
Measuring the Lense–Thirring Orbital Precession and the Neutron Star Moment of Inertia with Pulsars.
Autor:
Hu, Huanchen1 (AUTHOR) huhu@mpifr-bonn.mpg.de, Freire, Paulo C. C.1 (AUTHOR) huhu@mpifr-bonn.mpg.de
Publikováno v:
Universe (2218-1997). Apr2024, Vol. 10 Issue 4, p160. 25p.
Radio pulsars provide some of the most important constraints for our understanding of matter at supranuclear densities. So far, these constraints are mostly given by precision mass measurements of neutron stars (NS). By combining single measurements
Externí odkaz:
http://arxiv.org/abs/2007.07725
Publikováno v:
A&A 629, A26 (2019)
Context. Solar gravity modes (g modes) are buoyancy waves trapped in the solar radiative zone that have been very difficult to detect at the surface. Solar g modes would complement solar pressure modes (p modes) in probing the central regions of the
Externí odkaz:
http://arxiv.org/abs/1907.02379
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