activity
20152026
most citedGravitational Lensing Size Scales for Quasars

78 citations · 261 across the 35 of their papers we have counts for

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Showing 2025Show all

5 papers · 1 filter

astro-ph.CO2025

Discovery of Diffuse Radio Emission in a Massive z=1.709 Cool Core Cluster: A Candidate Radio Mini-Halo

Julie Hlavacek-Larrondo, Roland Timmerman, Christoph Pfrommer +10

Clusters of galaxies host spectacular diffuse radio sources, extending over scales from 100 kpc to several Mpcs. These sources, with extremely faint surface brightness (Jy/arcse…

astro-ph.IM2025

dfreproject: A Python package for astronomical reprojection

Carter Lee Rhea, Pieter Van Dokkum, Steven R. Janssens +5

Deep astronomical images are often constructed by digitially stacking many individual sub-exposures. Each sub-exposure is expected to show small differences in the positions of sta…

astro-ph.GA2025

WISDOM project -- XXIII. Star-formation efficiencies of eight early-type galaxies and bulges observed with SITELLE and ALMA

Anan Lu, Daryl Haggard, Martin Bureau +18

Early-type galaxies (ETGs) are known to harbour dense spheroids of stars with scarce star formation (SF). Approximately a quarter of these galaxies have rich molecular gas reservoi…

astro-ph.GA2025

Mapping the Filamentary Nebula of NGC 1275 with Multiwavelength SITELLE Observations

Carter Lee Rhea, Julie Hlavacek-Larrondo, Marie-Lou Gendron-Marsolais +11

The filamentary nebula encompassing the central galaxy of the Perseus Cluster, NGC 1275, is a complex structure extending dozens of kiloparsecs from NGC 1275. Decades of previous w…

astro-ph.GA2025

HST Observations within the Sphere of Influence of the Powerful Supermassive Black Hole in PKS0745-191

Julie Hlavacek-Larrondo, Hyunseop Choi, Minghao Guo +18

We present Space Telescope Imaging Spectrograph observations from the Hubble Space Telescope of the supermassive black hole (SMBH) at the center of PKS0745-191, a brightest cluster…