Granular mass perturbations on the pulsar – supermassive black hole system

Kavli Affiliate: Lijing Shao | Summary:Discovery and timing observations of a radio pulsar orbiting around Sagittarius A*, the supermassive black hole (SMBH) in our Galactic Centre (GC), will provide unprecedented opportunities of studying the SMBH spacetime, testing gravity theories, and probing the astrophysical environment in the GC. However, unknown mass distributions might cause timing residuals […]


Continue.. Granular mass perturbations on the pulsar – supermassive black hole system

Granular mass perturbations on the pulsar – supermassive black hole system

Kavli Affiliate: Lijing Shao | Summary:Discovery and timing observations of a radio pulsar orbiting around Sagittarius A*, the supermassive black hole (SMBH) in our Galactic Centre (GC), will provide unprecedented opportunities of studying the SMBH spacetime, testing gravity theories, and probing the astrophysical environment in the GC. However, unknown mass distributions might cause timing residuals […]


Continue.. Granular mass perturbations on the pulsar – supermassive black hole system

ABCD: The Nuclear Structure of the Little Red Dots Revealted through Absorption, Break, Continuum, and Decrement

Kavli Affiliate: Luis Ho | Summary:We present a spectroscopic analysis of 14 little red dots (LRDs) at redshifts $2.2 < z < 6.7$ using NIRSpec/MSA prism and medium-resolution grating observations, aiming to constrain the nuclear gas structure through Balmer emission-line profiles, absorption features, relative line intensities, and continuum properties. We simultaneously decompose the broad, narrow, […]


Continue.. ABCD: The Nuclear Structure of the Little Red Dots Revealted through Absorption, Break, Continuum, and Decrement

The Extreme Rarity and Physical Properties of Low-redshift AGNs with Balmer Absorption

Kavli Affiliate: Luis Ho | Summary:Balmer absorption lines are increasingly observed in the little red dots (LRDs) discovered by the James Webb Space Telescope, potentially tracing dense circumnuclear gas around rapidly accreting black holes. Motivated by this connection, we search for Balmer absorption using homogeneously analyzed spectra of a representative parent sample of 14,584 low-redshift […]


Continue.. The Extreme Rarity and Physical Properties of Low-redshift AGNs with Balmer Absorption

Primordial Binary Stars, Mass segregation and Fractality Effects on the Early Evolution of Young Open Clusters

Kavli Affiliate: Rainer Spurzem | Summary:We want to understand how the combined effect of initial substructure, primordial mass segregation, and primordial binaries affects the dynamical evolution of the cluster, and which one of these features is the most important to agree with observations. Methods. We use Nbody6++GPU to simulate the dynamics of star clusters with […]


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HETDEX Public Data Release 1: Source Catalog 2 and Data Cubes from ~90 sq deg of Integral-Field Optical Spectroscopy

Kavli Affiliate: Eiichiro Komatsu | Summary:The Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) is a wide-field, integral-field spectroscopic survey designed to map the large-scale distribution of Lyman-alpha emitting galaxies (LAEs) at 1.88 < z < 3.52 and constrain dark energy at cosmic noon. Using the 10-m Hobby-Eberly Telescope and the Visible Integral-Field Replicable Unit (IFU) Spectrograph, […]


Continue.. HETDEX Public Data Release 1: Source Catalog 2 and Data Cubes from ~90 sq deg of Integral-Field Optical Spectroscopy

Phasor EO-FLIM: Lifetime imaging with picosecond noise and 500 Hz frame rate

Kavli Affiliate: Kenta Asahina | Authors: Linghao Hu, Pingchuan Ma, Vaibhav Menon, Athira Sethu Madhavan, Kenta Asahina, Lena M. Müller and Adam J. Bowman | Summary: Fluorescence lifetime microscopy is limited by photon throughput, constraining the speed and dynamic range of biological measurements. We demonstrate a compact optical module and fast phasor acquisition methods to […]


Continue.. Phasor EO-FLIM: Lifetime imaging with picosecond noise and 500 Hz frame rate

Protocol for assessing lysosomal ion channel function in mammalian cells using lysosomal patch-clamp technique

Kavli Affiliate: Lily Jan | Authors: Yayu Wang and Lily Yeh Jan | Summary: This protocol describes manual whole-endolysosome patch-clamp recordings from pharmacologically or genetically enlarged endolysosomes in cultured mammalian cells. Steps include vesicle enlargement, fabrication and fire-polishing of high-resistance pipettes, mechanical dissection and isolation of enlarged vesicles, giga-seal formation, and configuration to whole-endolysosome modes. […]


Continue.. Protocol for assessing lysosomal ion channel function in mammalian cells using lysosomal patch-clamp technique

Efficient Quantum Error Mitigation for Unitary k-Designs

Kavli Affiliate: Birgitta Whaley | Summary:Quantum circuit ensembles that have the properties of unitary k-designs represent applications where there is no obvious bias toward any particular Pauli support, as is the case in simulating systems exhibiting ”quantum chaos,” which range from quantum dynamics near black holes to gapless spin fluid analysis. However, noisy hardware makes […]


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The impact of source and survey modelling on the connection between [O III] emitters and Ly $α$ forest transmission at z ~ 6

Kavli Affiliate: Martin Haehnelt | Summary:James Webb Space Telescope (JWST) surveys of [O III]-emitting galaxies are offering fresh insight into the connection between galaxies and the intergalactic medium at redshift z ~ 6. Recent measurements of the cross-correlation between [O III]-emitting galaxies and Ly $α$ forest transmission point to excess Ly $α$ transmission at a […]


Continue.. The impact of source and survey modelling on the connection between [O III] emitters and Ly $α$ forest transmission at z ~ 6