Witt’s hyperbola is both predicted and observed to pass close to the lensing galaxies in quadruple quasars

Kavli Affiliate: Paul L. Schechter | First 5 Authors: Paul L. Schechter, Richard Luhtaru, , , | Summary: When a rectangular hyperbola is constructed from the image positions of a quadruply lensed quasar, as proposed by Witt (1996), it passes very close to the the lensing galaxy. The median measured perpendicular offset between the observed […]


Continue.. Witt’s hyperbola is both predicted and observed to pass close to the lensing galaxies in quadruple quasars

Galaxies lensing quadruply imaged quasars lie close to the centers of their lensing potentials

Kavli Affiliate: Paul L. Schechter | First 5 Authors: Paul L. Schechter, Richard Luhtaru, , , | Summary: In modeling the potentials of quadruply lensed quasars, investigators often employ models for the stellar surface brightness profile of the lensing galaxy for the sole purpose of eliminating its contamination of the light from the quasar images […]


Continue.. Galaxies lensing quadruply imaged quasars lie close to the centers of their lensing potentials

Whole-brain neural substrates of behavioral variability in the larval zebrafish

Kavli Affiliate: Alipasha Vaziri | Authors: Jason Manley and Alipasha Vaziri | Summary: Animals engaged in naturalistic behavior can exhibit a large degree of behavioral variability even under sensory invariant conditions. Such behavioral variability can include not only variations of the same behavior, but also variability across qualitatively different behaviors driven by divergent cognitive states, […]


Continue.. Whole-brain neural substrates of behavioral variability in the larval zebrafish

AGN feedback in the Local Universe: multiphase outflow of the Seyfert galaxy NGC 5506

Kavli Affiliate: Claudio Ricci | First 5 Authors: Federico Esposito, Almudena Alonso-Herrero, Santiago García-Burillo, Viviana Casasola, Françoise Combes | Summary: We present new optical GTC/MEGARA seeing-limited (0.9") integral-field observations of NGC 5506, together with ALMA observations of the CO(3-2) transition at a 0.2" (25 pc) resolution. NGC 5506 is a luminous (bolometric luminosity of $sim […]


Continue.. AGN feedback in the Local Universe: multiphase outflow of the Seyfert galaxy NGC 5506

A dormant, overmassive black hole in the early Universe

Kavli Affiliate: Roberto Maiolino | First 5 Authors: Ignas Juodžbalis, Roberto Maiolino, William M. Baker, Sandro Tacchella, Jan Scholtz | Summary: Recent observations have found a large number of supermassive black holes already in place in the first few hundred million years after Big Bang. The channels of formation and growth of these early, massive […]


Continue.. A dormant, overmassive black hole in the early Universe

Impact of baryonic feedback on HSC Y1 weak lensing non-Gaussian statistics

Kavli Affiliate: Jia Liu | First 5 Authors: Daniela Grandón, Gabriela A. Marques, Leander Thiele, Sihao Cheng, Masato Shirasaki | Summary: Baryonic feedback is a major systematic in weak lensing cosmology. Its most studied effect is the suppression of the lensing power spectrum, a second-order statistic, on small scales. Motivated by the growing interest in […]


Continue.. Impact of baryonic feedback on HSC Y1 weak lensing non-Gaussian statistics

The double-peaked type I X-ray bursts with different mass accretion rate and fuel composition

Kavli Affiliate: Renxin Xu | First 5 Authors: Liyu Song, Helei Liu, Chunhua Zhu, Guoqing Zhen, Guoliang Lv | Summary: Using the MESA code, we have carried out a detailed survey of the available parameter space for the double-peaked type I X-ray bursts. We find that the double-peaked structure appears at mass accretion rate $dot{M}$ […]


Continue.. The double-peaked type I X-ray bursts with different mass accretion rate and fuel composition

Characterization of the low electric field and zero-temperature two-level-system loss in hydrogenated amorphous silicon

Kavli Affiliate: Sunil R. Golwala | First 5 Authors: Fabien Defrance, Andrew D. Beyer, Shibo Shu, Jack Sayers, Sunil R. Golwala | Summary: Two-level systems (TLS) are an important, if not dominant, source of loss and noise for superconducting resonators such as those used in kinetic inductance detectors and some quantum information science platforms. They […]


Continue.. Characterization of the low electric field and zero-temperature two-level-system loss in hydrogenated amorphous silicon

Dark Dragon Breaks Magnetic Chain: Dynamical Substructures of IRDC G28.34 Form in Supported Environments

Kavli Affiliate: Ke Wang | First 5 Authors: Junhao Liu, Qizhou Zhang, Yuxin Lin, Keping Qiu, Patrick M. Koch | Summary: We have comprehensively studied the multi-scale physical properties of the infrared dark cloud (IRDC) G28.34 (the Dragon cloud) with dust polarization and molecular line data from Planck, FCRAO-14m, JCMT, and ALMA. We find that […]


Continue.. Dark Dragon Breaks Magnetic Chain: Dynamical Substructures of IRDC G28.34 Form in Supported Environments

ALMA Spectral Survey of An eruptive Young star, V883 Ori (ASSAY): I. What triggered the current episode of eruption?

Kavli Affiliate: Gregory J. Herczeg | First 5 Authors: Jeong-Eun Lee, Chul-Hwan Kim, Seokho Lee, Seonjae Lee, Giseon Baek | Summary: An unbiased spectral survey of V883 Ori, an eruptive young star, was carried out with the Atacama Large Millimeter/submillimeter Array (ALMA) in Band 6. The detected line emission from various molecules reveals morphological/kinematical features […]


Continue.. ALMA Spectral Survey of An eruptive Young star, V883 Ori (ASSAY): I. What triggered the current episode of eruption?