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pro vyhledávání: '"Fung, Leo W. H."'
In ultra-fast astronomical observations featuring fast transients on sub-$\mu$s time scales, the conventional Signal-to-Noise Ratio (SNR) threshold, often fixed at $5\sigma$, becomes inadequate as observational window timescales shorten, leading to u
Externí odkaz:
http://arxiv.org/abs/2409.15536
Autor:
Luu, Hoang Nhan, Mocz, Philip, Vogelsberger, Mark, Pozo, Alvaro, Broadhurst, Tom, Tye, S. -H. Henry, Liu, Tao, Fung, Leo W. H., Smoot, George F., Emami, Razieh, Hernquist, Lars
Fuzzy dark matter (FDM) is a compelling candidate for dark matter, offering a natural explanation for the structure of diffuse low-mass haloes. However, the canonical FDM model with a mass of $10^{-22}~{\rm eV}$ encounters challenges in reproducing t
Externí odkaz:
http://arxiv.org/abs/2408.00827
Astronomy observation is difficult in urban environments due to the background noise generated by human activities. Consequently, promoting astronomy in metropolitan areas is challenging. In this work, we propose a low-cost, educational experiment ca
Externí odkaz:
http://arxiv.org/abs/2309.15163
Here we show how $H_0$ can be derived purely from the gravitational waves (GW) of neutron star-black hole (NSBH) mergers. This new method provides an estimate of $H_0$ spanning the redshift range, $z<0.25$ with current GW sensitivity and without the
Externí odkaz:
http://arxiv.org/abs/2308.02440
Brightest cluster galaxies (BCGs), particularly those at the centers of cool-core clusters, can exhibit star formation over spatial extents of up to $\gtrsim$100\,kpc at inferred rates of up to $\gtrsim100\rm\,M_\sun\,yr^{-1}$. Is their star formatio
Externí odkaz:
http://arxiv.org/abs/2107.01771
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