Kavli Affiliate: Rainer Spurzem | First 5 Authors: Francesco Paolo Rizzuto, Thorsten Naab, Rainer Spurzem, Manuel Arca-Sedda, Mirek Giersz | Summary: We present direct N-body simulations, carried out with Nbody6++GPU, of young and compact low metallicity star clusters with $1.1times 10^5$ stars, a velocity dispersion of $sim$ 10 $mathrm{km,s^{-1}}$, a half mass radius $R_h=0.6$ pc, […]
Kavli Affiliate: Lijing Shao | First 5 Authors: Chang Liu, Lijing Shao, , , | Summary: The detections of gravitational waves (GWs) from binary neutron star (BNS) systems and neutron star–black hole (NSBH) systems provide new insights into dense matter properties in extreme conditions and associated high-energy astrophysical processes. However, currently information about NS equation […]
Kavli Affiliate: Gregory Herczeg | First 5 Authors: Laura Flagg, Christopher Johns-Krull, Kevin France, Gregory Herczeg, Joan Najita | Summary: Using HST-COS FUV spectra, we have discovered warm molecular hydrogen in the TWA 7 system. TWA 7, a $sim$9 Myr old M2.5 star, has a cold debris disk and has previously shown no signs of […]
Kavli Affiliate: Hu Zhan | First 5 Authors: Kai Xiao, Haibo Yuan, J. Varela, Hu Zhan, Jifeng Liu | Summary: Understanding the origins of small-scale flats of CCDs and their wavelength-dependent variations plays an important role in high-precision photometric, astrometric, and shape measurements of astronomical objects. Based on the unique flat data of 47 narrow-band […]
Kavli Affiliate: Zhuo Li | First 5 Authors: Fan Hu, Zhuo Li, Donglian Xu, , | Summary: Cosmic neutrinos are unique probes of the high energy universe. IceCube has discovered a diffuse astrophysical neutrino flux since 2013, but their origin remains elusive. The potential sources could include, for example, active galactic nuclei, gamma-ray bursts and […]
Kavli Affiliate: Kohei Inayoshi | First 5 Authors: Yu Qiu, Haojie Hu, Kohei Inayoshi, Luis C. Ho, Tamara Bogdanovic | Summary: Warm ionized and cold neutral outflows with velocities exceeding $100,{rm km,s}^{-1}$ are commonly observed in galaxies and clusters. Theoretical studies however indicate that ram pressure from a hot wind, driven either by the central […]
Kavli Affiliate: Linhua Jiang | First 5 Authors: Weiwei Xu, Huanyuan Shan, Ran Li, Chunxiang Wang, Linhua Jiang | Summary: The concentration-mass (c-M) relation encodes the key information of the assembly history of the dark matter halos, however its behavior at the high mass end has not been measured precisely in observations yet. In this […]
Oren Slone, Fangzhou Jiang, Mariangela Lisanti, Manoj Kaplinghat, | Summary: [[{“value”:”Dark matter self interactions can leave distinctive signatures on the properties of satellite galaxies around Milky Way–like hosts through their impact on tidal stripping, ram pressure, and gravothermal collapse. We delineate the regions of self-interacting dark matter parameter space — specified by interaction cross section […]
Kavli Affiliate: Kohei Inayoshi | First 5 Authors: Kohei Ichikawa, Takuji Yamashita, Yoshiki Toba, Tohru Nagao, Kohei Inayoshi | Summary: We present the optical and infrared properties of 39 extremely radio-loud galaxies discovered by cross-matching the Subaru/Hyper Suprime-Cam (HSC) deep optical imaging survey and VLA/FIRST 1.4 GHz radio survey. The recent Subaru/HSC strategic survey revealed […]
Kavli Affiliate: Kejia Lee | First 5 Authors: Shivani Bhandari, Kasper E. Heintz, Kshitij Aggarwal, Lachlan Marnoch, Cherie K. Day | Summary: We present the localization and host galaxies of one repeating and two apparently non-repeating Fast Radio Bursts. FRB20180301A was detected and localized with the Karl G. Jansky Very Large Array to a star-forming […]